diff options
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S')
8 files changed, 0 insertions, 3165 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/main.c deleted file mode 100644 index c79a83e..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/main.c +++ /dev/null @@ -1,435 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/Interrupt/main.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Main program body - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup I2S_Interrupt - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; - -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -I2S_InitTypeDef I2S_InitStructure; -const uint16_t I2S3_Buffer_Tx[32] = {0x0102, 0x0304, 0x0506, 0x0708, 0x090A, 0x0B0C, - 0x0D0E, 0x0F10, 0x1112, 0x1314, 0x1516, 0x1718, - 0x191A, 0x1B1C, 0x1D1E, 0x1F20, 0x2122, 0x2324, - 0x2526, 0x2728, 0x292A, 0x2B2C, 0x2D2E, 0x2F30, - 0x3132, 0x3334, 0x3536, 0x3738, 0x393A, 0x3B3C, - 0x3D3E, 0x3F40}; - -uint16_t I2S2_Buffer_Rx[32]; -__IO uint32_t TxIdx = 0, RxIdx = 0; -TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED; -ErrorStatus HSEStartUpStatus; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -void NVIC_Configuration(void); -TestStatus Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength); -TestStatus Buffercmp24bits(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength); - -/* Private functions ---------------------------------------------------------*/ - -/** - * @brief Main program - * @param None - * @retval None - */ -int main(void) -{ - /*!< At this stage the microcontroller clock setting is already configured, - this is done through SystemInit() function which is called from startup - file (startup_stm32f10x_xx.s) before to branch to application main. - To reconfigure the default setting of SystemInit() function, refer to - system_stm32f10x.c file - */ - - /* System clocks configuration ---------------------------------------------*/ - RCC_Configuration(); - - /* NVIC configuration ------------------------------------------------------*/ - NVIC_Configuration(); - - /* GPIO configuration ------------------------------------------------------*/ - GPIO_Configuration(); - - SPI_I2S_DeInit(SPI3); - SPI_I2S_DeInit(SPI2); - - /* I2S peripheral configuration */ - I2S_InitStructure.I2S_Standard = I2S_Standard_Phillips; - I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_16bextended; - I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable; - I2S_InitStructure.I2S_AudioFreq = I2S_AudioFreq_48k; - I2S_InitStructure.I2S_CPOL = I2S_CPOL_Low; - - /* I2S3 Master Transmitter to I2S2 Slave Receiver communication -----------*/ - /* I2S3 configuration */ - I2S_InitStructure.I2S_Mode = I2S_Mode_MasterTx; - I2S_Init(SPI3, &I2S_InitStructure); - - /* I2S2 configuration */ - I2S_InitStructure.I2S_Mode = I2S_Mode_SlaveRx; - I2S_Init(SPI2, &I2S_InitStructure); - - /* Enable the I2S3 TxE interrupt */ - SPI_I2S_ITConfig(SPI3, SPI_I2S_IT_TXE, ENABLE); - - /* Enable the I2S2 RxNE interrupt */ - SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_RXNE, ENABLE); - - /* Enable the I2S2 */ - I2S_Cmd(SPI2, ENABLE); - - /* Enable the I2S3 */ - I2S_Cmd(SPI3, ENABLE); - - /* Wait the end of communication */ - while (RxIdx < 32) - {} - - TransferStatus1 = Buffercmp(I2S2_Buffer_Rx, (uint16_t*)I2S3_Buffer_Tx, 32); - /* TransferStatus1 = PASSED, if the data transmitted from I2S3 and received by - I2S2 are the same - TransferStatus1 = FAILED, if the data transmitted from I2S3 and received by - I2S2 are different */ - - /* Reinitialize the buffers */ - for (RxIdx = 0; RxIdx < 32; RxIdx++) - { - I2S2_Buffer_Rx[RxIdx] = 0; - } - TxIdx = 0; - RxIdx = 0; - - SPI_I2S_DeInit(SPI3); - SPI_I2S_DeInit(SPI2); - - /* I2S peripheral configuration */ - I2S_InitStructure.I2S_Standard = I2S_Standard_Phillips; - I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_24b; - I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable; - I2S_InitStructure.I2S_AudioFreq = I2S_AudioFreq_16k; - I2S_InitStructure.I2S_CPOL = I2S_CPOL_Low; - - /* I2S3 Master Transmitter to I2S2 Slave Receiver communication -----------*/ - /* I2S3 configuration */ - I2S_InitStructure.I2S_Mode = I2S_Mode_MasterTx; - I2S_Init(SPI3, &I2S_InitStructure); - - /* I2S2 configuration */ - I2S_InitStructure.I2S_Mode = I2S_Mode_SlaveRx; - I2S_Init(SPI2, &I2S_InitStructure); - - /* Enable the I2S3 TxE interrupt */ - SPI_I2S_ITConfig(SPI3, SPI_I2S_IT_TXE, ENABLE); - - /* Enable the I2S2 RxNE interrupt */ - SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_RXNE, ENABLE); - - /* Enable the I2S2 */ - I2S_Cmd(SPI2, ENABLE); - - /* Enable the I2S3 */ - I2S_Cmd(SPI3, ENABLE); - - /* Wait the end of communication */ - while (RxIdx < 32) - { - } - - TransferStatus2 = Buffercmp24bits(I2S2_Buffer_Rx, (uint16_t*)I2S3_Buffer_Tx, 32); - /* TransferStatus2 = PASSED, if the data transmitted from I2S3 and received by - I2S2 are the same - TransferStatus2 = FAILED, if the data transmitted from I2S3 and received by - I2S2 are different */ - - while (1) - { - } -} - -/** - * @brief Configures the different system clocks. - * @param None - * @retval None - */ -void RCC_Configuration(void) -{ - /* RCC system reset(for debug purpose) */ - RCC_DeInit(); - - /* Enable HSE */ - RCC_HSEConfig(RCC_HSE_ON); - - /* Wait till HSE is ready */ - HSEStartUpStatus = RCC_WaitForHSEStartUp(); - - if(HSEStartUpStatus == SUCCESS) - { - /* Enable Prefetch Buffer */ - FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); - - /* Flash 2 wait state */ - FLASH_SetLatency(FLASH_Latency_2); - - /* HCLK = SYSCLK */ - RCC_HCLKConfig(RCC_SYSCLK_Div1); - - /* PCLK2 = HCLK */ - RCC_PCLK2Config(RCC_HCLK_Div1); - - /* PCLK1 = HCLK/2 */ - RCC_PCLK1Config(RCC_HCLK_Div2); - - /* ADCCLK = PCLK2/4 */ - RCC_ADCCLKConfig(RCC_PCLK2_Div4); - -#ifndef STM32F10X_CL - /* PLLCLK = 8MHz * 9 = 72 MHz */ - RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); - -#else - /* Configure PLLs *********************************************************/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - RCC_PREDIV2Config(RCC_PREDIV2_Div5); - RCC_PLL2Config(RCC_PLL2Mul_8); - - /* Enable PLL2 */ - RCC_PLL2Cmd(ENABLE); - - /* Wait till PLL2 is ready */ - while (RCC_GetFlagStatus(RCC_FLAG_PLL2RDY) == RESET) - {} - - /* PLL configuration: PLLCLK = (PLL2 / 5) * 9 = 72 MHz */ - RCC_PREDIV1Config(RCC_PREDIV1_Source_PLL2, RCC_PREDIV1_Div5); - RCC_PLLConfig(RCC_PLLSource_PREDIV1, RCC_PLLMul_9); - - /* PLL3 configuration: PLL3CLK = (HSE / 5) * 11 => PLL3_VCO = 110 MHz */ - RCC_PLL3Config(RCC_PLL3Mul_11); - /* Enable PLL3 */ - RCC_PLL3Cmd(ENABLE); - /* Wait till PLL3 is ready */ - while (RCC_GetFlagStatus(RCC_FLAG_PLL3RDY) == RESET) - {} - - /* Configure I2S clock source: On Connectivity Line Devices, the I2S can be - clocked by PLL3 VCO instead of SYS_CLK in order to guarantee higher - precision */ - RCC_I2S3CLKConfig(RCC_I2S3CLKSource_PLL3_VCO); - RCC_I2S2CLKConfig(RCC_I2S2CLKSource_PLL3_VCO); -#endif - - /* Enable PLL */ - RCC_PLLCmd(ENABLE); - - /* Wait till PLL is ready */ - while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) - { - } - - /* Select PLL as system clock source */ - RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); - - /* Wait till PLL is used as system clock source */ - while(RCC_GetSYSCLKSource() != 0x08) - { - } - } - - /* Enable peripheral clocks ------------------------------------------------*/ - /* GPIOA, GPIOB and AFIO clocks enable */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | - RCC_APB2Periph_AFIO, ENABLE); - -#ifdef USE_STM3210C_EVAL - /* GPIOC Clock enable (for the SPI3 remapped pins) */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC , ENABLE); -#endif /* USE_STM3210C_EVAL */ - - /* SPI3 and SPI2 clocks enable */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI3 | RCC_APB1Periph_SPI2, ENABLE); -} - -/** - * @brief Configures the different GPIO ports. - * @param None - * @retval None - */ -void GPIO_Configuration(void) -{ - GPIO_InitTypeDef GPIO_InitStructure; - -#ifdef USE_STM3210E_EVAL - /* Disable the JTAG interface and enable the SWJ interface - This operation is not necessary for Connectivity Line devices since - SPI3 I/Os can be remapped on other GPIO pins */ - GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); -#endif /* USE_STM3210E_EVAL */ - - /* Configure SPI2 pins: CK, WS and SD ---------------------------------*/ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_15; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(GPIOB, &GPIO_InitStructure); - -#ifdef USE_STM3210C_EVAL - - /* Remap SPI3 on PC10-PC11-PC12-PA4 GPIO pins ------------------------*/ - GPIO_PinRemapConfig(GPIO_Remap_SPI3, ENABLE); - - /* Configure SPI3 pins: CK and SD ------------------------------------*/ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_12; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(GPIOC, &GPIO_InitStructure); - - /* Configure SPI3 pins: WS -------------------------------------------*/ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; - GPIO_Init(GPIOA, &GPIO_InitStructure); - -#elif defined (USE_STM3210E_EVAL) - - /* Configure SPI3 pins: CK and SD ------------------------------------*/ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_5; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(GPIOB, &GPIO_InitStructure); - - /* Configure SPI3 pins: WS -------------------------------------------*/ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; - GPIO_Init(GPIOA, &GPIO_InitStructure); - -#endif /* USE_STM3210C_EVAL */ -} - -/** - * @brief Configure the nested vectored interrupt controller. - * @param None - * @retval None - */ -void NVIC_Configuration(void) -{ - NVIC_InitTypeDef NVIC_InitStructure; - - NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); - - /* SPI3 IRQ Channel configuration */ - NVIC_InitStructure.NVIC_IRQChannel = SPI3_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - - /* SPI2 IRQ channel configuration */ - NVIC_InitStructure.NVIC_IRQChannel = SPI2_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; - NVIC_Init(&NVIC_InitStructure); -} - -/** - * @brief Compares two buffers. - * @param pBuffer1, pBuffer2: buffers to be compared. - * @param BufferLength: buffer's length - * @retval PASSED: pBuffer1 identical to pBuffer2 - * FAILED: pBuffer1 differs from pBuffer2 - */ -TestStatus Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength) -{ - while (BufferLength--) - { - if (*pBuffer1 != *pBuffer2) - { - return FAILED; - } - - pBuffer1++; - pBuffer2++; - } - - return PASSED; -} - -/** - * @brief Compares two buffers in 24 bits data format. - * @param pBuffer1, pBuffer2: buffers to be compared. - * @param BufferLength: buffer's length - * @retval PASSED: pBuffer1 identical to pBuffer2 - * FAILED: pBuffer1 differs from pBuffer2 - */ -TestStatus Buffercmp24bits(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength) -{ - while (BufferLength--) - { - if (*pBuffer1 != *pBuffer2) - { - if (*pBuffer1 != (*pBuffer2 & 0xFF00)) - { - return FAILED; - } - } - - pBuffer1++; - pBuffer2++; - } - - return PASSED; -} - -#ifdef USE_FULL_ASSERT - -/** - * @brief Reports the name of the source file and the source line number - * where the assert_param error has occurred. - * @param file: pointer to the source file name - * @param line: assert_param error line source number - * @retval None - */ -void assert_failed(uint8_t* file, uint32_t line) -{ - /* User can add his own implementation to report the file name and line number, - ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ - - /* Infinite loop */ - while (1) - {} -} - -#endif - -/** - * @} - */ - -/** - * @} - */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_conf.h b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_conf.h deleted file mode 100644 index f7f98b6..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_conf.h +++ /dev/null @@ -1,77 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/Interrupt/stm32f10x_conf.h - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Library configuration file. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F10x_CONF_H -#define __STM32F10x_CONF_H - -/* Includes ------------------------------------------------------------------*/ -/* Uncomment/Comment the line below to enable/disable peripheral header file inclusion */ -#include "stm32f10x_adc.h" -#include "stm32f10x_bkp.h" -#include "stm32f10x_can.h" -#include "stm32f10x_cec.h" -#include "stm32f10x_crc.h" -#include "stm32f10x_dac.h" -#include "stm32f10x_dbgmcu.h" -#include "stm32f10x_dma.h" -#include "stm32f10x_exti.h" -#include "stm32f10x_flash.h" -#include "stm32f10x_fsmc.h" -#include "stm32f10x_gpio.h" -#include "stm32f10x_i2c.h" -#include "stm32f10x_iwdg.h" -#include "stm32f10x_pwr.h" -#include "stm32f10x_rcc.h" -#include "stm32f10x_rtc.h" -#include "stm32f10x_sdio.h" -#include "stm32f10x_spi.h" -#include "stm32f10x_tim.h" -#include "stm32f10x_usart.h" -#include "stm32f10x_wwdg.h" -#include "misc.h" /* High level functions for NVIC and SysTick (add-on to CMSIS functions) */ - -/* Exported types ------------------------------------------------------------*/ -/* Exported constants --------------------------------------------------------*/ -/* Uncomment the line below to expanse the "assert_param" macro in the - Standard Peripheral Library drivers code */ -/* #define USE_FULL_ASSERT 1 */ - -/* Exported macro ------------------------------------------------------------*/ -#ifdef USE_FULL_ASSERT - -/** - * @brief The assert_param macro is used for function's parameters check. - * @param expr: If expr is false, it calls assert_failed function which reports - * the name of the source file and the source line number of the call - * that failed. If expr is true, it returns no value. - * @retval None - */ - #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__)) -/* Exported functions ------------------------------------------------------- */ - void assert_failed(uint8_t* file, uint32_t line); -#else - #define assert_param(expr) ((void)0) -#endif /* USE_FULL_ASSERT */ - -#endif /* __STM32F10x_CONF_H */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.c deleted file mode 100644 index eb3764d..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.c +++ /dev/null @@ -1,208 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/Interrupt/stm32f10x_it.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Main Interrupt Service Routines. - * This file provides template for all exceptions handler and peripherals - * interrupt service routine. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x_it.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup I2S_Interrupt - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -extern const uint16_t I2S3_Buffer_Tx[32]; -extern uint16_t I2S2_Buffer_Rx[32]; -extern __IO uint32_t TxIdx, RxIdx; - -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/******************************************************************************/ -/* Cortex-M3 Processor Exceptions Handlers */ -/******************************************************************************/ - -/** - * @brief This function handles NMI exception. - * @param None - * @retval None - */ -void NMI_Handler(void) -{ -} - -/** - * @brief This function handles Hard Fault exception. - * @param None - * @retval None - */ -void HardFault_Handler(void) -{ - /* Go to infinite loop when Hard Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Memory Manage exception. - * @param None - * @retval None - */ -void MemManage_Handler(void) -{ - /* Go to infinite loop when Memory Manage exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Bus Fault exception. - * @param None - * @retval None - */ -void BusFault_Handler(void) -{ - /* Go to infinite loop when Bus Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Usage Fault exception. - * @param None - * @retval None - */ -void UsageFault_Handler(void) -{ - /* Go to infinite loop when Usage Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Debug Monitor exception. - * @param None - * @retval None - */ -void DebugMon_Handler(void) -{ -} - -/** - * @brief This function handles SVCall exception. - * @param None - * @retval None - */ -void SVC_Handler(void) -{ -} - -/** - * @brief This function handles PendSV_Handler exception. - * @param None - * @retval None - */ -void PendSV_Handler(void) -{ -} - -/** - * @brief This function handles SysTick Handler. - * @param None - * @retval None - */ -void SysTick_Handler(void) -{ -} - -/******************************************************************************/ -/* STM32F10x Peripherals Interrupt Handlers */ -/******************************************************************************/ - -/** - * @brief This function handles SPI3 global interrupt request. - * @param None - * @retval None - */ -void SPI3_IRQHandler(void) -{ - /* Check the interrupt source */ - if (SPI_I2S_GetITStatus(SPI3, SPI_I2S_IT_TXE) == SET) - { - /* Send a data from I2S3 */ - SPI_I2S_SendData(SPI3, I2S3_Buffer_Tx[TxIdx++]); - } - - /* Check the end of buffer transfer */ - if (RxIdx == 32) - { - /* Disable the I2S3 TXE interrupt to end the communication */ - SPI_I2S_ITConfig(SPI3, SPI_I2S_IT_TXE, DISABLE); - } -} - -/** - * @brief This function handles SPI2 global interrupt request. - * @param None - * @retval None - */ -void SPI2_IRQHandler(void) -{ - /* Check the interrupt source */ - if (SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_RXNE) == SET) - { - /* Store the I2S2 received data in the relative data table */ - I2S2_Buffer_Rx[RxIdx++] = SPI_I2S_ReceiveData(SPI2); - } -} - -/******************************************************************************/ -/* STM32F10x Peripherals Interrupt Handlers */ -/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ -/* available peripheral interrupt handler's name please refer to the startup */ -/* file (startup_stm32f10x_xx.s). */ -/******************************************************************************/ - -/** - * @brief This function handles PPP interrupt request. - * @param None - * @retval None - */ -/*void PPP_IRQHandler(void) -{ -}*/ - -/** - * @} - */ - -/** - * @} - */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.h b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.h deleted file mode 100644 index d78b0da..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/stm32f10x_it.h +++ /dev/null @@ -1,48 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/Interrupt/stm32f10x_it.h - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief This file contains the headers of the interrupt handlers. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F10x_IT_H -#define __STM32F10x_IT_H - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x.h" - -/* Exported types ------------------------------------------------------------*/ -/* Exported constants --------------------------------------------------------*/ -/* Exported macro ------------------------------------------------------------*/ -/* Exported functions ------------------------------------------------------- */ - -void NMI_Handler(void); -void HardFault_Handler(void); -void MemManage_Handler(void); -void BusFault_Handler(void); -void UsageFault_Handler(void); -void SVC_Handler(void); -void DebugMon_Handler(void); -void PendSV_Handler(void); -void SysTick_Handler(void); -void SPI2_IRQHandler(void); -void SPI3_IRQHandler(void); - -#endif /* __STM32F10x_IT_H */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/system_stm32f10x.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/system_stm32f10x.c deleted file mode 100644 index e8b2dd4..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/Interrupt/system_stm32f10x.c +++ /dev/null @@ -1,1094 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/Interrupt/system_stm32f10x.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Source File. - * - * 1. This file provides two functions and one global variable to be called from - * user application: - * - SystemInit(): Setups the system clock (System clock source, PLL Multiplier - * factors, AHB/APBx prescalers and Flash settings). - * This function is called at startup just after reset and - * before branch to main program. This call is made inside - * the "startup_stm32f10x_xx.s" file. - * - * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used - * by the user application to setup the SysTick - * timer or configure other parameters. - * - * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must - * be called whenever the core clock is changed - * during program execution. - * - * 2. After each device reset the HSI (8 MHz) is used as system clock source. - * Then SystemInit() function is called, in "startup_stm32f10x_xx.s" file, to - * configure the system clock before to branch to main program. - * - * 3. If the system clock source selected by user fails to startup, the SystemInit() - * function will do nothing and HSI still used as system clock source. User can - * add some code to deal with this issue inside the SetSysClock() function. - * - * 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz, depedning on - * the product used), refer to "HSE_VALUE" define in "stm32f10x.h" file. - * When HSE is used as system clock source, directly or through PLL, and you - * are using different crystal you have to adapt the HSE value to your own - * configuration. - * - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/** @addtogroup CMSIS - * @{ - */ - -/** @addtogroup stm32f10x_system - * @{ - */ - -/** @addtogroup STM32F10x_System_Private_Includes - * @{ - */ - -#include "stm32f10x.h" - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_TypesDefinitions - * @{ - */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Defines - * @{ - */ - -/*!< Uncomment the line corresponding to the desired System clock (SYSCLK) - frequency (after reset the HSI is used as SYSCLK source) - - IMPORTANT NOTE: - ============== - 1. After each device reset the HSI is used as System clock source. - - 2. Please make sure that the selected System clock doesn't exceed your device's - maximum frequency. - - 3. If none of the define below is enabled, the HSI is used as System clock - source. - - 4. The System clock configuration functions provided within this file assume that: - - For Low, Medium and High density Value line devices an external 8MHz - crystal is used to drive the System clock. - - For Low, Medium and High density devices an external 8MHz crystal is - used to drive the System clock. - - For Connectivity line devices an external 25MHz crystal is used to drive - the System clock. - If you are using different crystal you have to adapt those functions accordingly. - */ - -#if defined (STM32F10X_LD_VL) || (defined STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) -/* #define SYSCLK_FREQ_HSE HSE_VALUE */ - #define SYSCLK_FREQ_24MHz 24000000 -#else -/* #define SYSCLK_FREQ_HSE HSE_VALUE */ -/* #define SYSCLK_FREQ_24MHz 24000000 */ -/* #define SYSCLK_FREQ_36MHz 36000000 */ -/* #define SYSCLK_FREQ_48MHz 48000000 */ -/* #define SYSCLK_FREQ_56MHz 56000000 */ -#define SYSCLK_FREQ_72MHz 72000000 -#endif - -/*!< Uncomment the following line if you need to use external SRAM mounted - on STM3210E-EVAL board (STM32 High density and XL-density devices) or on - STM32100E-EVAL board (STM32 High-density value line devices) as data memory */ -#if defined (STM32F10X_HD) || (defined STM32F10X_XL) || (defined STM32F10X_HD_VL) -/* #define DATA_IN_ExtSRAM */ -#endif - -/*!< Uncomment the following line if you need to relocate your vector Table in - Internal SRAM. */ -/* #define VECT_TAB_SRAM */ -#define VECT_TAB_OFFSET 0x0 /*!< Vector Table base offset field. - This value must be a multiple of 0x200. */ - - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Macros - * @{ - */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Variables - * @{ - */ - -/******************************************************************************* -* Clock Definitions -*******************************************************************************/ -#ifdef SYSCLK_FREQ_HSE - uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_24MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_24MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_36MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_36MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_48MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_56MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_72MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz; /*!< System Clock Frequency (Core Clock) */ -#else /*!< HSI Selected as System Clock source */ - uint32_t SystemCoreClock = HSI_VALUE; /*!< System Clock Frequency (Core Clock) */ -#endif - -__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_FunctionPrototypes - * @{ - */ - -static void SetSysClock(void); - -#ifdef SYSCLK_FREQ_HSE - static void SetSysClockToHSE(void); -#elif defined SYSCLK_FREQ_24MHz - static void SetSysClockTo24(void); -#elif defined SYSCLK_FREQ_36MHz - static void SetSysClockTo36(void); -#elif defined SYSCLK_FREQ_48MHz - static void SetSysClockTo48(void); -#elif defined SYSCLK_FREQ_56MHz - static void SetSysClockTo56(void); -#elif defined SYSCLK_FREQ_72MHz - static void SetSysClockTo72(void); -#endif - -#ifdef DATA_IN_ExtSRAM - static void SystemInit_ExtMemCtl(void); -#endif /* DATA_IN_ExtSRAM */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Functions - * @{ - */ - -/** - * @brief Setup the microcontroller system - * Initialize the Embedded Flash Interface, the PLL and update the - * SystemCoreClock variable. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -void SystemInit (void) -{ - /* Reset the RCC clock configuration to the default reset state(for debug purpose) */ - /* Set HSION bit */ - RCC->CR |= (uint32_t)0x00000001; - - /* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */ -#ifndef STM32F10X_CL - RCC->CFGR &= (uint32_t)0xF8FF0000; -#else - RCC->CFGR &= (uint32_t)0xF0FF0000; -#endif /* STM32F10X_CL */ - - /* Reset HSEON, CSSON and PLLON bits */ - RCC->CR &= (uint32_t)0xFEF6FFFF; - - /* Reset HSEBYP bit */ - RCC->CR &= (uint32_t)0xFFFBFFFF; - - /* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */ - RCC->CFGR &= (uint32_t)0xFF80FFFF; - -#ifdef STM32F10X_CL - /* Reset PLL2ON and PLL3ON bits */ - RCC->CR &= (uint32_t)0xEBFFFFFF; - - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x00FF0000; - - /* Reset CFGR2 register */ - RCC->CFGR2 = 0x00000000; -#elif defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x009F0000; - - /* Reset CFGR2 register */ - RCC->CFGR2 = 0x00000000; -#else - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x009F0000; -#endif /* STM32F10X_CL */ - -#if defined (STM32F10X_HD) || (defined STM32F10X_XL) || (defined STM32F10X_HD_VL) - #ifdef DATA_IN_ExtSRAM - SystemInit_ExtMemCtl(); - #endif /* DATA_IN_ExtSRAM */ -#endif - - /* Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers */ - /* Configure the Flash Latency cycles and enable prefetch buffer */ - SetSysClock(); - -#ifdef VECT_TAB_SRAM - SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM. */ -#else - SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH. */ -#endif -} - -/** - * @brief Update SystemCoreClock variable according to Clock Register Values. - * The SystemCoreClock variable contains the core clock (HCLK), it can - * be used by the user application to setup the SysTick timer or configure - * other parameters. - * - * @note Each time the core clock (HCLK) changes, this function must be called - * to update SystemCoreClock variable value. Otherwise, any configuration - * based on this variable will be incorrect. - * - * @note - The system frequency computed by this function is not the real - * frequency in the chip. It is calculated based on the predefined - * constant and the selected clock source: - * - * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) - * - * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) - * - * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) - * or HSI_VALUE(*) multiplied by the PLL factors. - * - * (*) HSI_VALUE is a constant defined in stm32f1xx.h file (default value - * 8 MHz) but the real value may vary depending on the variations - * in voltage and temperature. - * - * (**) HSE_VALUE is a constant defined in stm32f1xx.h file (default value - * 8 MHz or 25 MHz, depedning on the product used), user has to ensure - * that HSE_VALUE is same as the real frequency of the crystal used. - * Otherwise, this function may have wrong result. - * - * - The result of this function could be not correct when using fractional - * value for HSE crystal. - * @param None - * @retval None - */ -void SystemCoreClockUpdate (void) -{ - uint32_t tmp = 0, pllmull = 0, pllsource = 0; - -#ifdef STM32F10X_CL - uint32_t prediv1source = 0, prediv1factor = 0, prediv2factor = 0, pll2mull = 0; -#endif /* STM32F10X_CL */ - -#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - uint32_t prediv1factor = 0; -#endif /* STM32F10X_LD_VL or STM32F10X_MD_VL or STM32F10X_HD_VL */ - - /* Get SYSCLK source -------------------------------------------------------*/ - tmp = RCC->CFGR & RCC_CFGR_SWS; - - switch (tmp) - { - case 0x00: /* HSI used as system clock */ - SystemCoreClock = HSI_VALUE; - break; - case 0x04: /* HSE used as system clock */ - SystemCoreClock = HSE_VALUE; - break; - case 0x08: /* PLL used as system clock */ - - /* Get PLL clock source and multiplication factor ----------------------*/ - pllmull = RCC->CFGR & RCC_CFGR_PLLMULL; - pllsource = RCC->CFGR & RCC_CFGR_PLLSRC; - -#ifndef STM32F10X_CL - pllmull = ( pllmull >> 18) + 2; - - if (pllsource == 0x00) - { - /* HSI oscillator clock divided by 2 selected as PLL clock entry */ - SystemCoreClock = (HSI_VALUE >> 1) * pllmull; - } - else - { - #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1; - /* HSE oscillator clock selected as PREDIV1 clock entry */ - SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull; - #else - /* HSE selected as PLL clock entry */ - if ((RCC->CFGR & RCC_CFGR_PLLXTPRE) != (uint32_t)RESET) - {/* HSE oscillator clock divided by 2 */ - SystemCoreClock = (HSE_VALUE >> 1) * pllmull; - } - else - { - SystemCoreClock = HSE_VALUE * pllmull; - } - #endif - } -#else - pllmull = pllmull >> 18; - - if (pllmull != 0x0D) - { - pllmull += 2; - } - else - { /* PLL multiplication factor = PLL input clock * 6.5 */ - pllmull = 13 / 2; - } - - if (pllsource == 0x00) - { - /* HSI oscillator clock divided by 2 selected as PLL clock entry */ - SystemCoreClock = (HSI_VALUE >> 1) * pllmull; - } - else - {/* PREDIV1 selected as PLL clock entry */ - - /* Get PREDIV1 clock source and division factor */ - prediv1source = RCC->CFGR2 & RCC_CFGR2_PREDIV1SRC; - prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1; - - if (prediv1source == 0) - { - /* HSE oscillator clock selected as PREDIV1 clock entry */ - SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull; - } - else - {/* PLL2 clock selected as PREDIV1 clock entry */ - - /* Get PREDIV2 division factor and PLL2 multiplication factor */ - prediv2factor = ((RCC->CFGR2 & RCC_CFGR2_PREDIV2) >> 4) + 1; - pll2mull = ((RCC->CFGR2 & RCC_CFGR2_PLL2MUL) >> 8 ) + 2; - SystemCoreClock = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull; - } - } -#endif /* STM32F10X_CL */ - break; - - default: - SystemCoreClock = HSI_VALUE; - break; - } - - /* Compute HCLK clock frequency ----------------*/ - /* Get HCLK prescaler */ - tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; - /* HCLK clock frequency */ - SystemCoreClock >>= tmp; -} - -/** - * @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers. - * @param None - * @retval None - */ -static void SetSysClock(void) -{ -#ifdef SYSCLK_FREQ_HSE - SetSysClockToHSE(); -#elif defined SYSCLK_FREQ_24MHz - SetSysClockTo24(); -#elif defined SYSCLK_FREQ_36MHz - SetSysClockTo36(); -#elif defined SYSCLK_FREQ_48MHz - SetSysClockTo48(); -#elif defined SYSCLK_FREQ_56MHz - SetSysClockTo56(); -#elif defined SYSCLK_FREQ_72MHz - SetSysClockTo72(); -#endif - - /* If none of the define above is enabled, the HSI is used as System clock - source (default after reset) */ -} - -/** - * @brief Setup the external memory controller. Called in startup_stm32f10x.s - * before jump to __main - * @param None - * @retval None - */ -#ifdef DATA_IN_ExtSRAM -/** - * @brief Setup the external memory controller. - * Called in startup_stm32f10x_xx.s/.c before jump to main. - * This function configures the external SRAM mounted on STM3210E-EVAL - * board (STM32 High density devices). This SRAM will be used as program - * data memory (including heap and stack). - * @param None - * @retval None - */ -void SystemInit_ExtMemCtl(void) -{ -/*!< FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is - required, then adjust the Register Addresses */ - - /* Enable FSMC clock */ - RCC->AHBENR = 0x00000114; - - /* Enable GPIOD, GPIOE, GPIOF and GPIOG clocks */ - RCC->APB2ENR = 0x000001E0; - -/* --------------- SRAM Data lines, NOE and NWE configuration ---------------*/ -/*---------------- SRAM Address lines configuration -------------------------*/ -/*---------------- NOE and NWE configuration --------------------------------*/ -/*---------------- NE3 configuration ----------------------------------------*/ -/*---------------- NBL0, NBL1 configuration ---------------------------------*/ - - GPIOD->CRL = 0x44BB44BB; - GPIOD->CRH = 0xBBBBBBBB; - - GPIOE->CRL = 0xB44444BB; - GPIOE->CRH = 0xBBBBBBBB; - - GPIOF->CRL = 0x44BBBBBB; - GPIOF->CRH = 0xBBBB4444; - - GPIOG->CRL = 0x44BBBBBB; - GPIOG->CRH = 0x44444B44; - -/*---------------- FSMC Configuration ---------------------------------------*/ -/*---------------- Enable FSMC Bank1_SRAM Bank ------------------------------*/ - - FSMC_Bank1->BTCR[4] = 0x00001011; - FSMC_Bank1->BTCR[5] = 0x00000200; -} -#endif /* DATA_IN_ExtSRAM */ - -#ifdef SYSCLK_FREQ_HSE -/** - * @brief Selects HSE as System clock source and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockToHSE(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - -#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL && !defined STM32F10X_HD_VL - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 0 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - -#ifndef STM32F10X_CL - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; -#else - if (HSE_VALUE <= 24000000) - { - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; - } - else - { - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - } -#endif /* STM32F10X_CL */ -#endif - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - - /* Select HSE as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_HSE; - - /* Wait till HSE is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x04) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_24MHz -/** - * @brief Sets System clock frequency to 24MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo24(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { -#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL && !defined STM32F10X_HD_VL - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 0 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; -#endif - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL configuration: PLLCLK = PREDIV1 * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL6); - - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 10 = 4 MHz */ - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV10); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } -#elif defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) - /* PLL configuration: = (HSE / 2) * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_PREDIV1 | RCC_CFGR_PLLXTPRE_PREDIV1_Div2 | RCC_CFGR_PLLMULL6); -#else - /* PLL configuration: = (HSE / 2) * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLXTPRE_HSE_Div2 | RCC_CFGR_PLLMULL6); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_36MHz -/** - * @brief Sets System clock frequency to 36MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo36(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 1 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - - /* PLL configuration: PLLCLK = PREDIV1 * 9 = 36 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL9); - - /*!< PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 10 = 4 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV10); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - -#else - /* PLL configuration: PLLCLK = (HSE / 2) * 9 = 36 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLXTPRE_HSE_Div2 | RCC_CFGR_PLLMULL9); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_48MHz -/** - * @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo48(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 1 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 6 = 48 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL6); -#else - /* PLL configuration: PLLCLK = HSE * 6 = 48 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL6); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} - -#elif defined SYSCLK_FREQ_56MHz -/** - * @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo56(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 2 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 7 = 56 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL7); -#else - /* PLL configuration: PLLCLK = HSE * 7 = 56 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL7); - -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} - -#elif defined SYSCLK_FREQ_72MHz -/** - * @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo72(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 2 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2; - - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 9 = 72 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL9); -#else - /* PLL configuration: PLLCLK = HSE * 9 = 72 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | - RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL9); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#endif - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.c deleted file mode 100644 index 3a0c3d5..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.c +++ /dev/null @@ -1,163 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/SPI_I2S_Switch/stm32f10x_it.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Main Interrupt Service Routines. - * This file provides template for all exceptions handler and peripherals - * interrupt service routine. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x_it.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup I2S_SPI_I2S_Switch - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/******************************************************************************/ -/* Cortex-M3 Processor Exceptions Handlers */ -/******************************************************************************/ - -/** - * @brief This function handles NMI exception. - * @param None - * @retval None - */ -void NMI_Handler(void) -{ -} - -/** - * @brief This function handles Hard Fault exception. - * @param None - * @retval None - */ -void HardFault_Handler(void) -{ - /* Go to infinite loop when Hard Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Memory Manage exception. - * @param None - * @retval None - */ -void MemManage_Handler(void) -{ - /* Go to infinite loop when Memory Manage exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Bus Fault exception. - * @param None - * @retval None - */ -void BusFault_Handler(void) -{ - /* Go to infinite loop when Bus Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Usage Fault exception. - * @param None - * @retval None - */ -void UsageFault_Handler(void) -{ - /* Go to infinite loop when Usage Fault exception occurs */ - while (1) - {} -} - -/** - * @brief This function handles Debug Monitor exception. - * @param None - * @retval None - */ -void DebugMon_Handler(void) -{ -} - -/** - * @brief This function handles SVCall exception. - * @param None - * @retval None - */ -void SVC_Handler(void) -{ -} - -/** - * @brief This function handles PendSV_Handler exception. - * @param None - * @retval None - */ -void PendSV_Handler(void) -{ -} - -/** - * @brief This function handles SysTick Handler. - * @param None - * @retval None - */ -void SysTick_Handler(void) -{ -} - -/******************************************************************************/ -/* STM32F10x Peripherals Interrupt Handlers */ -/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ -/* available peripheral interrupt handler's name please refer to the startup */ -/* file (startup_stm32f10x_xx.s). */ -/******************************************************************************/ - -/** - * @brief This function handles PPP interrupt request. - * @param None - * @retval None - */ -/*void PPP_Switch_IRQHandler(void) -{ -}*/ - -/** - * @} - */ - -/** - * @} - */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.h b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.h deleted file mode 100644 index 9a9d957..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/stm32f10x_it.h +++ /dev/null @@ -1,46 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/SPI_I2S_Switch/stm32f10x_it.h - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief This file contains the headers of the interrupt handlers. - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F10x_IT_H -#define __STM32F10x_IT_H - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x.h" - -/* Exported types ------------------------------------------------------------*/ -/* Exported constants --------------------------------------------------------*/ -/* Exported macro ------------------------------------------------------------*/ -/* Exported functions ------------------------------------------------------- */ - -void NMI_Handler(void); -void HardFault_Handler(void); -void MemManage_Handler(void); -void BusFault_Handler(void); -void UsageFault_Handler(void); -void SVC_Handler(void); -void DebugMon_Handler(void); -void PendSV_Handler(void); -void SysTick_Handler(void); - -#endif /* __STM32F10x_IT_H */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/system_stm32f10x.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/system_stm32f10x.c deleted file mode 100644 index e34f002..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/system_stm32f10x.c +++ /dev/null @@ -1,1094 +0,0 @@ -/** - ****************************************************************************** - * @file I2S/SPI_I2S_Switch/system_stm32f10x.c - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Source File. - * - * 1. This file provides two functions and one global variable to be called from - * user application: - * - SystemInit(): Setups the system clock (System clock source, PLL Multiplier - * factors, AHB/APBx prescalers and Flash settings). - * This function is called at startup just after reset and - * before branch to main program. This call is made inside - * the "startup_stm32f10x_xx.s" file. - * - * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used - * by the user application to setup the SysTick - * timer or configure other parameters. - * - * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must - * be called whenever the core clock is changed - * during program execution. - * - * 2. After each device reset the HSI (8 MHz) is used as system clock source. - * Then SystemInit() function is called, in "startup_stm32f10x_xx.s" file, to - * configure the system clock before to branch to main program. - * - * 3. If the system clock source selected by user fails to startup, the SystemInit() - * function will do nothing and HSI still used as system clock source. User can - * add some code to deal with this issue inside the SetSysClock() function. - * - * 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz, depedning on - * the product used), refer to "HSE_VALUE" define in "stm32f10x.h" file. - * When HSE is used as system clock source, directly or through PLL, and you - * are using different crystal you have to adapt the HSE value to your own - * configuration. - * - ****************************************************************************** - * @attention - * - * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS - * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE - * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY - * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING - * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE - * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. - * - * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/** @addtogroup CMSIS - * @{ - */ - -/** @addtogroup stm32f10x_system - * @{ - */ - -/** @addtogroup STM32F10x_System_Private_Includes - * @{ - */ - -#include "stm32f10x.h" - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_TypesDefinitions - * @{ - */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Defines - * @{ - */ - -/*!< Uncomment the line corresponding to the desired System clock (SYSCLK) - frequency (after reset the HSI is used as SYSCLK source) - - IMPORTANT NOTE: - ============== - 1. After each device reset the HSI is used as System clock source. - - 2. Please make sure that the selected System clock doesn't exceed your device's - maximum frequency. - - 3. If none of the define below is enabled, the HSI is used as System clock - source. - - 4. The System clock configuration functions provided within this file assume that: - - For Low, Medium and High density Value line devices an external 8MHz - crystal is used to drive the System clock. - - For Low, Medium and High density devices an external 8MHz crystal is - used to drive the System clock. - - For Connectivity line devices an external 25MHz crystal is used to drive - the System clock. - If you are using different crystal you have to adapt those functions accordingly. - */ - -#if defined (STM32F10X_LD_VL) || (defined STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) -/* #define SYSCLK_FREQ_HSE HSE_VALUE */ - #define SYSCLK_FREQ_24MHz 24000000 -#else -/* #define SYSCLK_FREQ_HSE HSE_VALUE */ -/* #define SYSCLK_FREQ_24MHz 24000000 */ -/* #define SYSCLK_FREQ_36MHz 36000000 */ -/* #define SYSCLK_FREQ_48MHz 48000000 */ -/* #define SYSCLK_FREQ_56MHz 56000000 */ -#define SYSCLK_FREQ_72MHz 72000000 -#endif - -/*!< Uncomment the following line if you need to use external SRAM mounted - on STM3210E-EVAL board (STM32 High density and XL-density devices) or on - STM32100E-EVAL board (STM32 High-density value line devices) as data memory */ -#if defined (STM32F10X_HD) || (defined STM32F10X_XL) || (defined STM32F10X_HD_VL) -/* #define DATA_IN_ExtSRAM */ -#endif - -/*!< Uncomment the following line if you need to relocate your vector Table in - Internal SRAM. */ -/* #define VECT_TAB_SRAM */ -#define VECT_TAB_OFFSET 0x0 /*!< Vector Table base offset field. - This value must be a multiple of 0x200. */ - - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Macros - * @{ - */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Variables - * @{ - */ - -/******************************************************************************* -* Clock Definitions -*******************************************************************************/ -#ifdef SYSCLK_FREQ_HSE - uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_24MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_24MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_36MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_36MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_48MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_56MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz; /*!< System Clock Frequency (Core Clock) */ -#elif defined SYSCLK_FREQ_72MHz - uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz; /*!< System Clock Frequency (Core Clock) */ -#else /*!< HSI Selected as System Clock source */ - uint32_t SystemCoreClock = HSI_VALUE; /*!< System Clock Frequency (Core Clock) */ -#endif - -__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_FunctionPrototypes - * @{ - */ - -static void SetSysClock(void); - -#ifdef SYSCLK_FREQ_HSE - static void SetSysClockToHSE(void); -#elif defined SYSCLK_FREQ_24MHz - static void SetSysClockTo24(void); -#elif defined SYSCLK_FREQ_36MHz - static void SetSysClockTo36(void); -#elif defined SYSCLK_FREQ_48MHz - static void SetSysClockTo48(void); -#elif defined SYSCLK_FREQ_56MHz - static void SetSysClockTo56(void); -#elif defined SYSCLK_FREQ_72MHz - static void SetSysClockTo72(void); -#endif - -#ifdef DATA_IN_ExtSRAM - static void SystemInit_ExtMemCtl(void); -#endif /* DATA_IN_ExtSRAM */ - -/** - * @} - */ - -/** @addtogroup STM32F10x_System_Private_Functions - * @{ - */ - -/** - * @brief Setup the microcontroller system - * Initialize the Embedded Flash Interface, the PLL and update the - * SystemCoreClock variable. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -void SystemInit (void) -{ - /* Reset the RCC clock configuration to the default reset state(for debug purpose) */ - /* Set HSION bit */ - RCC->CR |= (uint32_t)0x00000001; - - /* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */ -#ifndef STM32F10X_CL - RCC->CFGR &= (uint32_t)0xF8FF0000; -#else - RCC->CFGR &= (uint32_t)0xF0FF0000; -#endif /* STM32F10X_CL */ - - /* Reset HSEON, CSSON and PLLON bits */ - RCC->CR &= (uint32_t)0xFEF6FFFF; - - /* Reset HSEBYP bit */ - RCC->CR &= (uint32_t)0xFFFBFFFF; - - /* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */ - RCC->CFGR &= (uint32_t)0xFF80FFFF; - -#ifdef STM32F10X_CL - /* Reset PLL2ON and PLL3ON bits */ - RCC->CR &= (uint32_t)0xEBFFFFFF; - - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x00FF0000; - - /* Reset CFGR2 register */ - RCC->CFGR2 = 0x00000000; -#elif defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x009F0000; - - /* Reset CFGR2 register */ - RCC->CFGR2 = 0x00000000; -#else - /* Disable all interrupts and clear pending bits */ - RCC->CIR = 0x009F0000; -#endif /* STM32F10X_CL */ - -#if defined (STM32F10X_HD) || (defined STM32F10X_XL) || (defined STM32F10X_HD_VL) - #ifdef DATA_IN_ExtSRAM - SystemInit_ExtMemCtl(); - #endif /* DATA_IN_ExtSRAM */ -#endif - - /* Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers */ - /* Configure the Flash Latency cycles and enable prefetch buffer */ - SetSysClock(); - -#ifdef VECT_TAB_SRAM - SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM. */ -#else - SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH. */ -#endif -} - -/** - * @brief Update SystemCoreClock variable according to Clock Register Values. - * The SystemCoreClock variable contains the core clock (HCLK), it can - * be used by the user application to setup the SysTick timer or configure - * other parameters. - * - * @note Each time the core clock (HCLK) changes, this function must be called - * to update SystemCoreClock variable value. Otherwise, any configuration - * based on this variable will be incorrect. - * - * @note - The system frequency computed by this function is not the real - * frequency in the chip. It is calculated based on the predefined - * constant and the selected clock source: - * - * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) - * - * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) - * - * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) - * or HSI_VALUE(*) multiplied by the PLL factors. - * - * (*) HSI_VALUE is a constant defined in stm32f1xx.h file (default value - * 8 MHz) but the real value may vary depending on the variations - * in voltage and temperature. - * - * (**) HSE_VALUE is a constant defined in stm32f1xx.h file (default value - * 8 MHz or 25 MHz, depedning on the product used), user has to ensure - * that HSE_VALUE is same as the real frequency of the crystal used. - * Otherwise, this function may have wrong result. - * - * - The result of this function could be not correct when using fractional - * value for HSE crystal. - * @param None - * @retval None - */ -void SystemCoreClockUpdate (void) -{ - uint32_t tmp = 0, pllmull = 0, pllsource = 0; - -#ifdef STM32F10X_CL - uint32_t prediv1source = 0, prediv1factor = 0, prediv2factor = 0, pll2mull = 0; -#endif /* STM32F10X_CL */ - -#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - uint32_t prediv1factor = 0; -#endif /* STM32F10X_LD_VL or STM32F10X_MD_VL or STM32F10X_HD_VL */ - - /* Get SYSCLK source -------------------------------------------------------*/ - tmp = RCC->CFGR & RCC_CFGR_SWS; - - switch (tmp) - { - case 0x00: /* HSI used as system clock */ - SystemCoreClock = HSI_VALUE; - break; - case 0x04: /* HSE used as system clock */ - SystemCoreClock = HSE_VALUE; - break; - case 0x08: /* PLL used as system clock */ - - /* Get PLL clock source and multiplication factor ----------------------*/ - pllmull = RCC->CFGR & RCC_CFGR_PLLMULL; - pllsource = RCC->CFGR & RCC_CFGR_PLLSRC; - -#ifndef STM32F10X_CL - pllmull = ( pllmull >> 18) + 2; - - if (pllsource == 0x00) - { - /* HSI oscillator clock divided by 2 selected as PLL clock entry */ - SystemCoreClock = (HSI_VALUE >> 1) * pllmull; - } - else - { - #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || (defined STM32F10X_HD_VL) - prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1; - /* HSE oscillator clock selected as PREDIV1 clock entry */ - SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull; - #else - /* HSE selected as PLL clock entry */ - if ((RCC->CFGR & RCC_CFGR_PLLXTPRE) != (uint32_t)RESET) - {/* HSE oscillator clock divided by 2 */ - SystemCoreClock = (HSE_VALUE >> 1) * pllmull; - } - else - { - SystemCoreClock = HSE_VALUE * pllmull; - } - #endif - } -#else - pllmull = pllmull >> 18; - - if (pllmull != 0x0D) - { - pllmull += 2; - } - else - { /* PLL multiplication factor = PLL input clock * 6.5 */ - pllmull = 13 / 2; - } - - if (pllsource == 0x00) - { - /* HSI oscillator clock divided by 2 selected as PLL clock entry */ - SystemCoreClock = (HSI_VALUE >> 1) * pllmull; - } - else - {/* PREDIV1 selected as PLL clock entry */ - - /* Get PREDIV1 clock source and division factor */ - prediv1source = RCC->CFGR2 & RCC_CFGR2_PREDIV1SRC; - prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1; - - if (prediv1source == 0) - { - /* HSE oscillator clock selected as PREDIV1 clock entry */ - SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull; - } - else - {/* PLL2 clock selected as PREDIV1 clock entry */ - - /* Get PREDIV2 division factor and PLL2 multiplication factor */ - prediv2factor = ((RCC->CFGR2 & RCC_CFGR2_PREDIV2) >> 4) + 1; - pll2mull = ((RCC->CFGR2 & RCC_CFGR2_PLL2MUL) >> 8 ) + 2; - SystemCoreClock = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull; - } - } -#endif /* STM32F10X_CL */ - break; - - default: - SystemCoreClock = HSI_VALUE; - break; - } - - /* Compute HCLK clock frequency ----------------*/ - /* Get HCLK prescaler */ - tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; - /* HCLK clock frequency */ - SystemCoreClock >>= tmp; -} - -/** - * @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers. - * @param None - * @retval None - */ -static void SetSysClock(void) -{ -#ifdef SYSCLK_FREQ_HSE - SetSysClockToHSE(); -#elif defined SYSCLK_FREQ_24MHz - SetSysClockTo24(); -#elif defined SYSCLK_FREQ_36MHz - SetSysClockTo36(); -#elif defined SYSCLK_FREQ_48MHz - SetSysClockTo48(); -#elif defined SYSCLK_FREQ_56MHz - SetSysClockTo56(); -#elif defined SYSCLK_FREQ_72MHz - SetSysClockTo72(); -#endif - - /* If none of the define above is enabled, the HSI is used as System clock - source (default after reset) */ -} - -/** - * @brief Setup the external memory controller. Called in startup_stm32f10x.s - * before jump to __main - * @param None - * @retval None - */ -#ifdef DATA_IN_ExtSRAM -/** - * @brief Setup the external memory controller. - * Called in startup_stm32f10x_xx.s/.c before jump to main. - * This function configures the external SRAM mounted on STM3210E-EVAL - * board (STM32 High density devices). This SRAM will be used as program - * data memory (including heap and stack). - * @param None - * @retval None - */ -void SystemInit_ExtMemCtl(void) -{ -/*!< FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is - required, then adjust the Register Addresses */ - - /* Enable FSMC clock */ - RCC->AHBENR = 0x00000114; - - /* Enable GPIOD, GPIOE, GPIOF and GPIOG clocks */ - RCC->APB2ENR = 0x000001E0; - -/* --------------- SRAM Data lines, NOE and NWE configuration ---------------*/ -/*---------------- SRAM Address lines configuration -------------------------*/ -/*---------------- NOE and NWE configuration --------------------------------*/ -/*---------------- NE3 configuration ----------------------------------------*/ -/*---------------- NBL0, NBL1 configuration ---------------------------------*/ - - GPIOD->CRL = 0x44BB44BB; - GPIOD->CRH = 0xBBBBBBBB; - - GPIOE->CRL = 0xB44444BB; - GPIOE->CRH = 0xBBBBBBBB; - - GPIOF->CRL = 0x44BBBBBB; - GPIOF->CRH = 0xBBBB4444; - - GPIOG->CRL = 0x44BBBBBB; - GPIOG->CRH = 0x44444B44; - -/*---------------- FSMC Configuration ---------------------------------------*/ -/*---------------- Enable FSMC Bank1_SRAM Bank ------------------------------*/ - - FSMC_Bank1->BTCR[4] = 0x00001011; - FSMC_Bank1->BTCR[5] = 0x00000200; -} -#endif /* DATA_IN_ExtSRAM */ - -#ifdef SYSCLK_FREQ_HSE -/** - * @brief Selects HSE as System clock source and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockToHSE(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - -#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL && !defined STM32F10X_HD_VL - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 0 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - -#ifndef STM32F10X_CL - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; -#else - if (HSE_VALUE <= 24000000) - { - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; - } - else - { - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - } -#endif /* STM32F10X_CL */ -#endif - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - - /* Select HSE as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_HSE; - - /* Wait till HSE is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x04) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_24MHz -/** - * @brief Sets System clock frequency to 24MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo24(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { -#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL && !defined STM32F10X_HD_VL - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 0 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0; -#endif - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL configuration: PLLCLK = PREDIV1 * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL6); - - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 10 = 4 MHz */ - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV10); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } -#elif defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) - /* PLL configuration: = (HSE / 2) * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_PREDIV1 | RCC_CFGR_PLLXTPRE_PREDIV1_Div2 | RCC_CFGR_PLLMULL6); -#else - /* PLL configuration: = (HSE / 2) * 6 = 24 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLXTPRE_HSE_Div2 | RCC_CFGR_PLLMULL6); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_36MHz -/** - * @brief Sets System clock frequency to 36MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo36(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 1 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV1; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - - /* PLL configuration: PLLCLK = PREDIV1 * 9 = 36 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL9); - - /*!< PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 10 = 4 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV10); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - -#else - /* PLL configuration: PLLCLK = (HSE / 2) * 9 = 36 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLXTPRE_HSE_Div2 | RCC_CFGR_PLLMULL9); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#elif defined SYSCLK_FREQ_48MHz -/** - * @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo48(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 1 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 6 = 48 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL6); -#else - /* PLL configuration: PLLCLK = HSE * 6 = 48 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL6); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} - -#elif defined SYSCLK_FREQ_56MHz -/** - * @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo56(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 2 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2; - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 7 = 56 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL7); -#else - /* PLL configuration: PLLCLK = HSE * 7 = 56 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL7); - -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} - -#elif defined SYSCLK_FREQ_72MHz -/** - * @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 - * and PCLK1 prescalers. - * @note This function should be used only after reset. - * @param None - * @retval None - */ -static void SetSysClockTo72(void) -{ - __IO uint32_t StartUpCounter = 0, HSEStatus = 0; - - /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration ---------------------------*/ - /* Enable HSE */ - RCC->CR |= ((uint32_t)RCC_CR_HSEON); - - /* Wait till HSE is ready and if Time out is reached exit */ - do - { - HSEStatus = RCC->CR & RCC_CR_HSERDY; - StartUpCounter++; - } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT)); - - if ((RCC->CR & RCC_CR_HSERDY) != RESET) - { - HSEStatus = (uint32_t)0x01; - } - else - { - HSEStatus = (uint32_t)0x00; - } - - if (HSEStatus == (uint32_t)0x01) - { - /* Enable Prefetch Buffer */ - FLASH->ACR |= FLASH_ACR_PRFTBE; - - /* Flash 2 wait state */ - FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY); - FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2; - - - /* HCLK = SYSCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1; - - /* PCLK2 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE2_DIV1; - - /* PCLK1 = HCLK */ - RCC->CFGR |= (uint32_t)RCC_CFGR_PPRE1_DIV2; - -#ifdef STM32F10X_CL - /* Configure PLLs ------------------------------------------------------*/ - /* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */ - /* PREDIV1 configuration: PREDIV1CLK = PLL2 / 5 = 8 MHz */ - - RCC->CFGR2 &= (uint32_t)~(RCC_CFGR2_PREDIV2 | RCC_CFGR2_PLL2MUL | - RCC_CFGR2_PREDIV1 | RCC_CFGR2_PREDIV1SRC); - RCC->CFGR2 |= (uint32_t)(RCC_CFGR2_PREDIV2_DIV5 | RCC_CFGR2_PLL2MUL8 | - RCC_CFGR2_PREDIV1SRC_PLL2 | RCC_CFGR2_PREDIV1_DIV5); - - /* Enable PLL2 */ - RCC->CR |= RCC_CR_PLL2ON; - /* Wait till PLL2 is ready */ - while((RCC->CR & RCC_CR_PLL2RDY) == 0) - { - } - - - /* PLL configuration: PLLCLK = PREDIV1 * 9 = 72 MHz */ - RCC->CFGR &= (uint32_t)~(RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLXTPRE_PREDIV1 | RCC_CFGR_PLLSRC_PREDIV1 | - RCC_CFGR_PLLMULL9); -#else - /* PLL configuration: PLLCLK = HSE * 9 = 72 MHz */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | - RCC_CFGR_PLLMULL)); - RCC->CFGR |= (uint32_t)(RCC_CFGR_PLLSRC_HSE | RCC_CFGR_PLLMULL9); -#endif /* STM32F10X_CL */ - - /* Enable PLL */ - RCC->CR |= RCC_CR_PLLON; - - /* Wait till PLL is ready */ - while((RCC->CR & RCC_CR_PLLRDY) == 0) - { - } - - /* Select PLL as system clock source */ - RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); - RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL; - - /* Wait till PLL is used as system clock source */ - while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08) - { - } - } - else - { /* If HSE fails to start-up, the application will have wrong clock - configuration. User can add here some code to deal with this error */ - } -} -#endif - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |