diff options
Diffstat (limited to 'src/stm32lib/examples/SPI/DMA/main.c')
| -rwxr-xr-x | src/stm32lib/examples/SPI/DMA/main.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/src/stm32lib/examples/SPI/DMA/main.c b/src/stm32lib/examples/SPI/DMA/main.c deleted file mode 100755 index 8c332da..0000000 --- a/src/stm32lib/examples/SPI/DMA/main.c +++ /dev/null @@ -1,291 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : main.c
-* Author : MCD Application Team
-* Version : V2.0.1
-* Date : 06/13/2008
-* Description : Main program body
-********************************************************************************
-* 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.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x_lib.h"
-
-/* Private typedef -----------------------------------------------------------*/
-typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
-
-/* Private define ------------------------------------------------------------*/
-#define SPI2_DR_Address 0x4000380C
-#define BufferSize 32
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-SPI_InitTypeDef SPI_InitStructure;
-DMA_InitTypeDef DMA_InitStructure;
-GPIO_InitTypeDef GPIO_InitStructure;
-
-u8 SPI1_Buffer_Tx[BufferSize] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
- 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
- 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
- 0x1C, 0x1D, 0x1E, 0x1F, 0x20};
-u8 SPI2_Buffer_Rx[BufferSize];
-u8 TxIdx = 0;
-volatile TestStatus TransferStatus = FAILED;
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength);
-
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : main
-* Description : Main program
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-int main(void)
-{
-#ifdef DEBUG
- debug();
-#endif
-
- /* System clocks configuration ---------------------------------------------*/
- RCC_Configuration();
-
- /* NVIC configuration ------------------------------------------------------*/
- NVIC_Configuration();
-
- /* GPIO configuration ------------------------------------------------------*/
- GPIO_Configuration();
-
- /* DMA1 channel4 configuration ---------------------------------------------*/
- DMA_DeInit(DMA1_Channel4);
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SPI2_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SPI2_Buffer_Rx;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
- DMA_InitStructure.DMA_BufferSize = BufferSize;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA1_Channel4, &DMA_InitStructure);
-
- /* SPI1 configuration ------------------------------------------------------*/
- SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
- SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
- SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
- SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
- SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(SPI1, &SPI_InitStructure);
-
- /* SPI2 configuration ------------------------------------------------------*/
- SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Rx;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
- SPI_Init(SPI2, &SPI_InitStructure);
-
- /* Enable SPI1 NSS output for master mode */
- SPI_SSOutputCmd(SPI1, ENABLE);
-
- /* Enable SPI2 Rx request */
- SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Rx, ENABLE);
-
- /* Enable SPI2 */
- SPI_Cmd(SPI2, ENABLE);
- /* Enable SPI1 */
- SPI_Cmd(SPI1, ENABLE);
-
- /* Enable DMA1 Channel4 */
- DMA_Cmd(DMA1_Channel4, ENABLE);
-
- /* Transfer procedure */
- while (TxIdx < BufferSize)
- {
- /* Wait for SPI1 Tx buffer empty */
- while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);
- /* Send SPI1 data */
- SPI_I2S_SendData(SPI1, SPI1_Buffer_Tx[TxIdx++]);
- }
-
- /* Wait for DMA1 channel4 transfer complete */
- while (!DMA_GetFlagStatus(DMA1_FLAG_TC4));
-
- /* Check the corectness of written data */
- TransferStatus = Buffercmp(SPI2_Buffer_Rx, SPI1_Buffer_Tx, BufferSize);
- /* TransferStatus = PASSED, if the transmitted and received data
- are equal */
- /* TransferStatus = FAILED, if the transmitted and received data
- are different */
-
- while (1)
- {}
-}
-
-/*******************************************************************************
-* Function Name : RCC_Configuration
-* Description : Configures the different system clocks.
-* Input : None
-* Output : None
-* Return : 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);
-
- /* PLLCLK = 8MHz * 9 = 72 MHz */
- RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
-
- /* 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 --------------------------------------------------*/
- /* DMA1 clock enable */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
-
- /* GPIOA, GPIOB and SPI1 clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_SPI1, ENABLE);
-
- /* SPI2 Periph clock enable */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configures the different GPIO ports.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* Configure SPI1 pins: NSS, SCK, MISO and MOSI ----------------------------*/
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /* Configure SPI2 pins: NSS, SCK, MISO and MOSI ----------------------------*/
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : NVIC_Configuration
-* Description : Configure the nested vectored interrupt controller.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void NVIC_Configuration(void)
-{
-#ifdef VECT_TAB_RAM
- /* Set the Vector Table base location at 0x20000000 */
- NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
-#else /* VECT_TAB_FLASH */
- /* Set the Vector Table base location at 0x08000000 */
- NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
-#endif
-}
-
-/*******************************************************************************
-* Function Name : Buffercmp
-* Description : Compares two buffers.
-* Input : - pBuffer1, pBuffer2: buffers to be compared.
-* : - BufferLength: buffer's length
-* Output : None
-* Return : PASSED: pBuffer1 identical to pBuffer2
-* FAILED: pBuffer1 differs from pBuffer2
-*******************************************************************************/
-TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength)
-{
- while (BufferLength--)
- {
- if (*pBuffer1 != *pBuffer2)
- {
- return FAILED;
- }
-
- pBuffer1++;
- pBuffer2++;
- }
-
- return PASSED;
-}
-
-#ifdef DEBUG
-/*******************************************************************************
-* Function Name : assert_failed
-* Description : Reports the name of the source file and the source line number
-* where the assert_param error has occurred.
-* Input : - file: pointer to the source file name
-* - line: assert_param error line source number
-* Output : None
-* Return : None
-*******************************************************************************/
-void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/
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