aboutsummaryrefslogtreecommitdiff
path: root/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c
diff options
context:
space:
mode:
authorTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:23:13 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:23:17 +0100
commit2fff65aed2477a503c72629d27e2a330d30c02d1 (patch)
tree96fd9f2f8151e266c0cf8563a714d7bab8aa7cb0 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c
parent41fdd2b1f35bcb4224fdb8fee2b959e09d1f5916 (diff)
downloadstm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.gz
stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.bz2
stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.xz
stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.zip
o Seemingly working Mutexes.
o Dropping the privileged/unprivileged split for now.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c')
-rw-r--r--tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c447
1 files changed, 0 insertions, 447 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c
deleted file mode 100644
index e701e6f..0000000
--- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/I2S/SPI_I2S_Switch/main.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/**
- ******************************************************************************
- * @file I2S/SPI_I2S_Switch/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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x.h"
-
-/* Local includes ------------------------------------------------------------*/
-
-/** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
-
-/** @addtogroup I2S_SPI_I2S_Switch
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
-
-/* Private define ------------------------------------------------------------*/
-#define BufferSize 32
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-I2S_InitTypeDef I2S_InitStructure;
-SPI_InitTypeDef SPI_InitStructure;
-uint16_t I2S3_Buffer_Tx[BufferSize] = {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 SPI3_Buffer_Tx[BufferSize] = {0x5152, 0x5354, 0x5556, 0x5758, 0x595A, 0x5B5C,
- 0x5D5E, 0x5F60, 0x6162, 0x6364, 0x6566, 0x6768,
- 0x696A, 0x6B6C, 0x6D6E, 0x6F70, 0x7172, 0x7374,
- 0x7576, 0x7778, 0x797A, 0x7B7C, 0x7D7E, 0x7F80,
- 0x8182, 0x8384, 0x8586, 0x8788, 0x898A, 0x8B8C,
- 0x8D8E, 0x8F90};
-
-__IO uint16_t I2S2_Buffer_Rx[BufferSize];
-__IO uint16_t SPI2_Buffer_Rx[BufferSize];
-__IO uint8_t TxIdx = 0, RxIdx = 0;
-volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED;
-volatile TestStatus TransferStatus3 = FAILED;
-ErrorStatus HSEStartUpStatus;
-
-/* Private functions ---------------------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-TestStatus Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength);
-
-/**
- * @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();
-
- /* GPIO configuration ------------------------------------------------------*/
- GPIO_Configuration();
-
- /* Deinitializes the SPI2 and SPI3 peripheral registers --------------------*/
- SPI_I2S_DeInit(SPI2);
- SPI_I2S_DeInit(SPI3);
-
- /* 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 I2S2 */
- I2S_Cmd(SPI2, ENABLE);
-
- /* Enable the I2S3 */
- I2S_Cmd(SPI3, ENABLE);
-
- /* Begin the communication in I2S mode */
- while (RxIdx < BufferSize)
- {
- /* Wait the Tx buffer to be empty */
- while (SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_TXE) == RESET)
- {}
- /* Send a data from I2S3 */
- SPI_I2S_SendData(SPI3, I2S3_Buffer_Tx[TxIdx++]);
-
- /* Wait the Rx buffer to be full */
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
- {}
- /* Store the I2S2 received data in the relative data table */
- I2S2_Buffer_Rx[RxIdx++] = SPI_I2S_ReceiveData(SPI2);
- }
-
- TransferStatus1 = Buffercmp((uint16_t *)I2S2_Buffer_Rx, I2S3_Buffer_Tx, BufferSize);
- /* 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 */
-
- /* Reset TxIdx, RxIdx indexes */
- TxIdx = 0;
- RxIdx = 0;
-
- /* Switch to SPI mode communication ----------------------------------------*/
- /* SPI3 configuration */
- SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
- SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
- SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
- SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
- SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(SPI3, &SPI_InitStructure);
-
- /* SPI2 configuration ------------------------------------------------------*/
- SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_RxOnly;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
- SPI_Init(SPI2, &SPI_InitStructure);
-
- /* Enable SPI2 */
- SPI_Cmd(SPI2, ENABLE);
- /* Enable SPI3 */
- SPI_Cmd(SPI3, ENABLE);
-
- /* Begin the communication in SPI mode */
- while (RxIdx < BufferSize)
- {
- /* Wait the Tx buffer to be empty */
- while (SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_TXE) == RESET)
- {}
- /* Send a data from SPI3 */
- SPI_I2S_SendData(SPI3, SPI3_Buffer_Tx[TxIdx++]);
-
- /* Wait the Rx buffer to be full */
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
- {}
- /* Store the SPI2 received data in the relative data table */
- SPI2_Buffer_Rx[RxIdx++] = SPI_I2S_ReceiveData(SPI2);
- }
-
- TransferStatus2 = Buffercmp((uint16_t *)SPI2_Buffer_Rx, SPI3_Buffer_Tx, BufferSize);
- /* TransferStatus2 = PASSED, if the data transmitted from SPI3 and received by
- SPI2 are the same
- TransferStatus2 = FAILED, if the data transmitted from SPI3 and received by
- SPI2 are different */
-
- /* Reset TxIdx, RxIdx indexes and receive table values */
- for (TxIdx = 0; TxIdx < BufferSize; TxIdx++)
- {
- I2S2_Buffer_Rx[TxIdx] = 0;
- }
-
- TxIdx = 0;
- RxIdx = 0;
-
- /* I2S3 Slave Transmitter to I2S2 Master Receiver communication ------------*/
- /* I2S3 configuration */
- I2S_InitStructure.I2S_Mode = I2S_Mode_SlaveTx;
- I2S_Init(SPI3, &I2S_InitStructure);
-
- /* I2S2 configuration */
- I2S_InitStructure.I2S_Mode = I2S_Mode_MasterRx;
- I2S_Init(SPI2, &I2S_InitStructure);
-
- /* Wait the Tx buffer to be empty */
- while (SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_TXE) == RESET)
- {}
- /* Prepare the first data to be sent from the slave */
- SPI_I2S_SendData(SPI3, I2S3_Buffer_Tx[TxIdx++]);
-
- /* Enable the I2S3 */
- I2S_Cmd(SPI3, ENABLE);
-
- /* Enable the I2S2 */
- I2S_Cmd(SPI2, ENABLE);
-
- /* Begin the communication in I2S mode */
- while (RxIdx < BufferSize)
- {
- /* Wait the Rx buffer to be full */
- while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET)
- {}
- /* Store the I2S2 received data in the relative data table */
- I2S2_Buffer_Rx[RxIdx++] = SPI_I2S_ReceiveData(SPI2);
-
- /* Wait the Tx buffer to be empty */
- while (SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_TXE) == RESET)
- {}
- /* Send a data from I2S3 */
- SPI_I2S_SendData(SPI3, I2S3_Buffer_Tx[TxIdx++]);
- }
-
- TransferStatus3 = Buffercmp((uint16_t *)I2S2_Buffer_Rx, I2S3_Buffer_Tx, BufferSize);
- /* TransferStatus3 = PASSED, if the data transmitted from I2S3 and received by
- I2S2 are the same
- TransferStatus3 = 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);
-
- /* PPL3 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 */
-
- /* SPI2 and SPI3 clocks enable */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2 | RCC_APB1Periph_SPI3, 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_AF_PP;
- 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_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_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 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;
-}
-
-#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****/