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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack')
6 files changed, 0 insertions, 1950 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/main.c deleted file mode 100644 index 6651d04..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/main.c +++ /dev/null @@ -1,388 +0,0 @@ -/** - ****************************************************************************** - * @file CAN/LoopBack/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" -#include "stm32_eval.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup CAN_LoopBack - * @{ - */ - - - -/* Private define ------------------------------------------------------------*/ -#define __CAN1_USED__ -/* #define __CAN2_USED__*/ /* Please check that you device is - Connectivity line when using CAN2 */ - -#ifdef __CAN1_USED__ - #define CANx CAN1 -#else /*__CAN2_USED__*/ - #define CANx CAN2 -#endif /* __CAN1_USED__ */ - -/* Private typedef -----------------------------------------------------------*/ -typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -__IO uint32_t ret = 0; /* for return of the interrupt handling */ -volatile TestStatus TestRx; - -/* Private function prototypes -----------------------------------------------*/ -void NVIC_Configuration(void); -TestStatus CAN_Polling(void); -TestStatus CAN_Interrupt(void); - -/* 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 - */ - - - -#ifdef __CAN1_USED__ - /* CANx Periph clock enable */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE); -#else /*__CAN2_USED__*/ - /* CAN1 & 2 Periph clock enable */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE); - RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN2, ENABLE); -#endif /* __CAN1_USED__ */ - - /* NVIC Configuration */ - NVIC_Configuration(); - - /* Configures LED 1..4 */ - STM_EVAL_LEDInit(LED1); - STM_EVAL_LEDInit(LED2); - STM_EVAL_LEDInit(LED3); - STM_EVAL_LEDInit(LED4); - - /* Turns selected LED Off */ - STM_EVAL_LEDOff(LED1); - STM_EVAL_LEDOff(LED2); - STM_EVAL_LEDOff(LED3); - STM_EVAL_LEDOff(LED4); - - /* CAN transmit at 125Kb/s and receive by polling in loopback mode */ - TestRx = CAN_Polling(); - - if (TestRx == FAILED) - { - /* Turn on led LD3 */ - STM_EVAL_LEDOn(LED3); - } - else - { - /* Turn on led LD1 */ - STM_EVAL_LEDOn(LED1); - } - - /* CAN transmit at 500Kb/s and receive by interrupt in loopback mode */ - TestRx = CAN_Interrupt(); - - if (TestRx == FAILED) - { - /* Turn on led LD4 */ - STM_EVAL_LEDOn(LED4); - } - else - { - /* Turn on led LD2 */ - STM_EVAL_LEDOn(LED2); - } - - /* Infinite loop */ - while (1) - { - } -} - -/** - * @brief Configures the CAN, transmit and receive by polling - * @param None - * @retval PASSED if the reception is well done, FAILED in other case - */ -TestStatus CAN_Polling(void) -{ - CAN_InitTypeDef CAN_InitStructure; - CAN_FilterInitTypeDef CAN_FilterInitStructure; - CanTxMsg TxMessage; - CanRxMsg RxMessage; - uint32_t i = 0; - uint8_t TransmitMailbox = 0; - - /* CAN register init */ - CAN_DeInit(CANx); - - CAN_StructInit(&CAN_InitStructure); - - /* CAN cell init */ - CAN_InitStructure.CAN_TTCM=DISABLE; - CAN_InitStructure.CAN_ABOM=DISABLE; - CAN_InitStructure.CAN_AWUM=DISABLE; - CAN_InitStructure.CAN_NART=DISABLE; - CAN_InitStructure.CAN_RFLM=DISABLE; - CAN_InitStructure.CAN_TXFP=DISABLE; - CAN_InitStructure.CAN_Mode=CAN_Mode_LoopBack; - - /* Baudrate = 125kbps*/ - CAN_InitStructure.CAN_SJW=CAN_SJW_1tq; - CAN_InitStructure.CAN_BS1=CAN_BS1_2tq; - CAN_InitStructure.CAN_BS2=CAN_BS2_3tq; - CAN_InitStructure.CAN_Prescaler=48; - CAN_Init(CANx, &CAN_InitStructure); - - /* CAN filter init */ -#ifdef __CAN1_USED__ - CAN_FilterInitStructure.CAN_FilterNumber=0; -#else /*__CAN2_USED__*/ - CAN_FilterInitStructure.CAN_FilterNumber=14; -#endif /* __CAN1_USED__ */ - CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask; - CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit; - CAN_FilterInitStructure.CAN_FilterIdHigh=0x0000; - CAN_FilterInitStructure.CAN_FilterIdLow=0x0000; - CAN_FilterInitStructure.CAN_FilterMaskIdHigh=0x0000; - CAN_FilterInitStructure.CAN_FilterMaskIdLow=0x0000; - CAN_FilterInitStructure.CAN_FilterFIFOAssignment=0; - - - CAN_FilterInitStructure.CAN_FilterActivation=ENABLE; - CAN_FilterInit(&CAN_FilterInitStructure); - - /* transmit */ - TxMessage.StdId=0x11; - TxMessage.RTR=CAN_RTR_DATA; - TxMessage.IDE=CAN_ID_STD; - TxMessage.DLC=2; - TxMessage.Data[0]=0xCA; - TxMessage.Data[1]=0xFE; - - TransmitMailbox=CAN_Transmit(CANx, &TxMessage); - i = 0; - while((CAN_TransmitStatus(CANx, TransmitMailbox) != CANTXOK) && (i != 0xFFFF)) - { - i++; - } - - i = 0; - while((CAN_MessagePending(CANx, CAN_FIFO0) < 1) && (i != 0xFFFF)) - { - i++; - } - - /* receive */ - RxMessage.StdId=0x00; - RxMessage.IDE=CAN_ID_STD; - RxMessage.DLC=0; - RxMessage.Data[0]=0x00; - RxMessage.Data[1]=0x00; - CAN_Receive(CANx, CAN_FIFO0, &RxMessage); - - if (RxMessage.StdId!=0x11) - { - return FAILED; - } - - if (RxMessage.IDE!=CAN_ID_STD) - { - return FAILED; - } - - if (RxMessage.DLC!=2) - { - return FAILED; - } - - if ((RxMessage.Data[0]<<8|RxMessage.Data[1])!=0xCAFE) - { - return FAILED; - } - - return PASSED; /* Test Passed */ -} - -/** - * @brief Configures the CAN, transmit and receive using interrupt. - * @param None - * @retval PASSED if the reception is well done, FAILED in other case - */ -TestStatus CAN_Interrupt(void) -{ - CAN_InitTypeDef CAN_InitStructure; - CAN_FilterInitTypeDef CAN_FilterInitStructure; - CanTxMsg TxMessage; - uint32_t i = 0; - - /* CAN register init */ - CAN_DeInit(CANx); - - - CAN_StructInit(&CAN_InitStructure); - - /* CAN cell init */ - CAN_InitStructure.CAN_TTCM=DISABLE; - CAN_InitStructure.CAN_ABOM=DISABLE; - CAN_InitStructure.CAN_AWUM=DISABLE; - CAN_InitStructure.CAN_NART=DISABLE; - CAN_InitStructure.CAN_RFLM=DISABLE; - CAN_InitStructure.CAN_TXFP=DISABLE; - CAN_InitStructure.CAN_Mode=CAN_Mode_LoopBack; - CAN_InitStructure.CAN_SJW=CAN_SJW_1tq; - - /* Baudrate = 500 Kbps */ - CAN_InitStructure.CAN_BS1=CAN_BS1_2tq; - CAN_InitStructure.CAN_BS2=CAN_BS2_3tq; - CAN_InitStructure.CAN_Prescaler=12; - CAN_Init(CANx, &CAN_InitStructure); - - /* CAN filter init */ -#ifdef __CAN1_USED__ - CAN_FilterInitStructure.CAN_FilterNumber=1; -#else /*__CAN2_USED__*/ - CAN_FilterInitStructure.CAN_FilterNumber=15; -#endif /* __CAN1_USED__ */ - CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask; - CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit; - CAN_FilterInitStructure.CAN_FilterIdHigh=0x0000; - CAN_FilterInitStructure.CAN_FilterIdLow=0x0000; - CAN_FilterInitStructure.CAN_FilterMaskIdHigh=0x0000; - CAN_FilterInitStructure.CAN_FilterMaskIdLow=0x0000; - CAN_FilterInitStructure.CAN_FilterFIFOAssignment=CAN_FIFO0; - CAN_FilterInitStructure.CAN_FilterActivation=ENABLE; - CAN_FilterInit(&CAN_FilterInitStructure); - - /* CAN FIFO0 message pending interrupt enable */ - CAN_ITConfig(CANx, CAN_IT_FMP0, ENABLE); - - /* transmit 1 message */ - TxMessage.StdId=0; - TxMessage.ExtId=0x1234; - TxMessage.IDE=CAN_ID_EXT; - TxMessage.RTR=CAN_RTR_DATA; - TxMessage.DLC=2; - TxMessage.Data[0]=0xDE; - TxMessage.Data[1]=0xCA; - CAN_Transmit(CANx, &TxMessage); - - /* initialize the value that will be returned */ - ret = 0xFF; - - /* receive message with interrupt handling */ - i=0; - while((ret == 0xFF) && (i < 0xFFF)) - { - i++; - } - - if (i == 0xFFF) - { - ret=0; - } - - /* disable interrupt handling */ - CAN_ITConfig(CANx, CAN_IT_FMP0, DISABLE); - - return (TestStatus)ret; -} - -/** - * @brief Configures the NVIC and Vector Table base address. - * @param None - * @retval None - */ -void NVIC_Configuration(void) -{ - NVIC_InitTypeDef NVIC_InitStructure; - - /* Enable CANx RX0 interrupt IRQ channel */ -#ifndef STM32F10X_CL - -#ifdef __CAN1_USED__ - NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn; -#else /*__CAN2_USED__*/ - /* CAN2 is not implemented in the device */ - #error "CAN2 is implemented only in Connectivity line devices" - -#endif /*__CAN1_USED__*/ -#else -#ifdef __CAN1_USED__ - NVIC_InitStructure.NVIC_IRQChannel = CAN1_RX0_IRQn; -#else /*__CAN2_USED__*/ - NVIC_InitStructure.NVIC_IRQChannel = CAN2_RX0_IRQn; -#endif /*__CAN1_USED__*/ - -#endif /* STM32F10X_CL*/ - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); -} - - -#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/CAN/LoopBack/readme.txt b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/readme.txt deleted file mode 100644 index e662598..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/readme.txt +++ /dev/null @@ -1,101 +0,0 @@ -/** - @page CAN_LoopBack CAN LoopBack example - - @verbatim - ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* - * @file CAN/LoopBack/readme.txt - * @author MCD Application Team - * @version V3.5.0 - * @date 08-April-2011 - * @brief Description of the CAN LoopBack example. - ****************************************************************************** - * 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. - ****************************************************************************** - @endverbatim - -@par Example Description - -This example provides a description of how to set a communication with the CAN -in loopback mode. - -The CAN cell first performs a transmission and a reception of a standard data -frame by polling at 125 Kbps. The received frame is checked and some LEDs light -up to indicate whether the communication was successful. Then, an extended data -frame is transmitted at 500 Kbps. Reception is done in the interrupt handler -when the message becomes pending in the FIFO. Finally, the LEDs indicate if both -transmission and reception have been successful. - -User can select CAN1 or CAN2 cell using the private defines in main.c : - -@code -#define __CAN1_USED__ -/* #define __CAN2_USED__*/ -@endcode - -@note When using CAN2, please check that your device is Connectivity line. - -@par Directory contents - - - CAN/LoopBack/stm32f10x_conf.h Library Configuration file - - CAN/LoopBack/stm32f10x_it.c Interrupt handlers - - CAN/LoopBack/stm32f10x_it.h Interrupt handlers header file - - CAN/LoopBack/main.c Main program - - CAN/LoopBack/system_stm32f10x.c STM32F10x system source file - -@par Hardware and Software environment - - - This example runs on STM32F10x Connectivity line, High-Density, Medium-Density, - XL-Density and Low-Density Devices. - - - This example has been tested with STMicroelectronics STM3210C-EVAL (Connectivity line), - STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density) - evaluation boards and can be easily tailored to any other supported device and - development board. - To select the STMicroelectronics evaluation board used to run the example, - uncomment the corresponding line in stm32_eval.h file - - - STM3210C-EVAL Set-up - - Use LED1, LED2, LED3 and LED4 connected respectively to PD.07, PD.13, PF.03 - and PD.04 pins - - - STM3210E-EVAL Set-up - - Use LD1, LD2, LD3 and LD4 leds connected respectively to PF.06, PF0.7, - PF.08 and PF.09 pins - - - STM3210B-EVAL Set-up - - Use LD1, LD2, LD3 and LD4 leds connected respectively to PC.06, PC.07, PC.08 - and PC.09 pins - -@par How to use it ? - -In order to make the program work, you must do the following : - - Copy all source files from this example folder to the template folder under - Project\STM32F10x_StdPeriph_Template - - Open your preferred toolchain - - Rebuild all files and load your image into target memory - - Run the example - -@note - - Low-density Value line devices are STM32F100xx microcontrollers where the - Flash memory density ranges between 16 and 32 Kbytes. - - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx - microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. - - Medium-density Value line devices are STM32F100xx microcontrollers where - the Flash memory density ranges between 64 and 128 Kbytes. - - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx - microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. - - High-density Value line devices are STM32F100xx microcontrollers where - the Flash memory density ranges between 256 and 512 Kbytes. - - High-density devices are STM32F101xx and STM32F103xx microcontrollers where - the Flash memory density ranges between 256 and 512 Kbytes. - - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where - the Flash memory density ranges between 512 and 1024 Kbytes. - - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. - - * <h3><center>© COPYRIGHT 2011 STMicroelectronics</center></h3> - */ diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_conf.h b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_conf.h deleted file mode 100644 index ecf7661..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_conf.h +++ /dev/null @@ -1,77 +0,0 @@ -/** - ****************************************************************************** - * @file CAN/LoopBack/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/CAN/LoopBack/stm32f10x_it.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_it.c deleted file mode 100644 index 28dec5c..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_it.c +++ /dev/null @@ -1,239 +0,0 @@ -/** - ****************************************************************************** - * @file CAN/LoopBack/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 CAN_LoopBack - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -extern __IO uint32_t ret; - -/* 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 SVCall exception. - * @param None - * @retval None - */ -void SVC_Handler(void) -{ -} - -/** - * @brief This function handles Debug Monitor exception. - * @param None - * @retval None - */ -void DebugMon_Handler(void) -{ -} - -/** - * @brief This function handles PendSVC 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 CAN1 Handler. - * @param None - * @retval None - */ -#ifndef STM32F10X_CL -void USB_LP_CAN1_RX0_IRQHandler(void) -#else -void CAN1_RX0_IRQHandler(void) -#endif -{ - CanRxMsg RxMessage; - - RxMessage.StdId=0x00; - RxMessage.ExtId=0x00; - RxMessage.IDE=0; - RxMessage.DLC=0; - RxMessage.FMI=0; - RxMessage.Data[0]=0x00; - RxMessage.Data[1]=0x00; - - CAN_Receive(CAN1, CAN_FIFO0, &RxMessage); - - if((RxMessage.ExtId==0x1234) && (RxMessage.IDE==CAN_ID_EXT) - && (RxMessage.DLC==2) && ((RxMessage.Data[1]|RxMessage.Data[0]<<8)==0xDECA)) - { - ret = 1; - } - else - { - ret = 0; - } -} - -/** - * @brief This function handles CAN2 Handler. - * @param None - * @retval None - */ -#ifdef STM32F10X_CL -void CAN2_RX0_IRQHandler(void) - -{ - CanRxMsg RxMessage; - - RxMessage.StdId=0x00; - RxMessage.ExtId=0x00; - RxMessage.IDE=0; - RxMessage.DLC=0; - RxMessage.FMI=0; - RxMessage.Data[0]=0x00; - RxMessage.Data[1]=0x00; - - CAN_Receive(CAN2, CAN_FIFO0, &RxMessage); - - if((RxMessage.ExtId==0x1234) && (RxMessage.IDE==CAN_ID_EXT) - && (RxMessage.DLC==2) && ((RxMessage.Data[1]|RxMessage.Data[0]<<8)==0xDECA)) - { - ret = 1; - } - else - { - ret = 0; - } -} -#endif -/******************************************************************************/ -/* 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/CAN/LoopBack/stm32f10x_it.h b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_it.h deleted file mode 100644 index c0dce57..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/stm32f10x_it.h +++ /dev/null @@ -1,51 +0,0 @@ -/** - ****************************************************************************** - * @file CAN/LoopBack/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); -#ifdef STM32F10X_CL -void CAN1_RX0_IRQHandler(void); -#else -void USB_LP_CAN1_RX0_IRQHandler(void); -#endif - -#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/CAN/LoopBack/system_stm32f10x.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/system_stm32f10x.c deleted file mode 100644 index 4b8b7a9..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/CAN/LoopBack/system_stm32f10x.c +++ /dev/null @@ -1,1094 +0,0 @@ -/** - ****************************************************************************** - * @file CAN/LoopBack/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****/ |