diff options
Diffstat (limited to 'src/stm32lib/examples/DMA/SPI_RAM/main.c')
| -rwxr-xr-x | src/stm32lib/examples/DMA/SPI_RAM/main.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/src/stm32lib/examples/DMA/SPI_RAM/main.c b/src/stm32lib/examples/DMA/SPI_RAM/main.c deleted file mode 100755 index 5b07e60..0000000 --- a/src/stm32lib/examples/DMA/SPI_RAM/main.c +++ /dev/null @@ -1,347 +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 SPI1_DR_Address 0x4001300C
-#define SPI2_DR_Address 0x4000380C
-#define BufferSize 32
-#define CRCPolynomial 7
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-SPI_InitTypeDef SPI_InitStructure;
-DMA_InitTypeDef DMA_InitStructure;
-ErrorStatus HSEStartUpStatus;
-u8 SPI1_Buffer_Rx[BufferSize], SPI2_Buffer_Rx[BufferSize];
-u8 SPI1CRCValue = 0, SPI2CRCValue = 0;
-volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED;
-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_Tx[BufferSize] = {0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,
- 0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,0x60,0x61,0x62,
- 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,
- 0x6C,0x6D,0x6E,0x6F,0x70};
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-TestStatus Buffercmp(u8* pBuffer, u8* pBuffer1, 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();
-
- /* Configure the GPIO ports */
- GPIO_Configuration();
-
- /* SPI1 configuration ------------------------------------------------------*/
- SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
- SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
- SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
- 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_8;
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = CRCPolynomial;
- SPI_Init(SPI1, &SPI_InitStructure);
-
- /* SPI2 configuration ------------------------------------------------------*/
- SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
- SPI_Init(SPI2, &SPI_InitStructure);
-
- /* DMA1 Channel2 configuration ----------------------------------------------*/
- DMA_DeInit(DMA1_Channel2);
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SPI1_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SPI1_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_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA1_Channel2, &DMA_InitStructure);
-
- /* DMA1 Channel3 configuration ----------------------------------------------*/
- DMA_DeInit(DMA1_Channel3);
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SPI1_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SPI1_Buffer_Tx;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Low;
- DMA_Init(DMA1_Channel3, &DMA_InitStructure);
-
- /* 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_Priority = DMA_Priority_VeryHigh;
- DMA_Init(DMA1_Channel4, &DMA_InitStructure);
-
- /* DMA1 Channel5 configuration ----------------------------------------------*/
- DMA_DeInit(DMA1_Channel5);
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SPI2_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SPI2_Buffer_Tx;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
- DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
- DMA_Init(DMA1_Channel5, &DMA_InitStructure);
-
- /* Enable SPI1 DMA Tx request */
- SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Tx, ENABLE);
- /* Enable SPI1 DMA Rx request */
- SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Rx, ENABLE);
- /* Enable SPI2 DMA Tx request */
- SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx, ENABLE);
- /* Enable SPI2 DMA Rx request */
- SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Rx, ENABLE);
-
- /* Enable SPI1 CRC calculation */
- SPI_CalculateCRC(SPI1, ENABLE);
- /* Enable SPI2 CRC calculation */
- SPI_CalculateCRC(SPI2, ENABLE);
-
- /* Enable SPI2 */
- SPI_Cmd(SPI2, ENABLE);
- /* Enable SPI1 */
- SPI_Cmd(SPI1, ENABLE);
-
- /* Enable DMA1 channel5, channel4, channel3 and channel2 */
- DMA_Cmd(DMA1_Channel2, ENABLE);
- DMA_Cmd(DMA1_Channel4, ENABLE);
- DMA_Cmd(DMA1_Channel5, ENABLE);
- DMA_Cmd(DMA1_Channel3, ENABLE);
-
- /* Transfer complete */
- while(!DMA_GetFlagStatus(DMA1_FLAG_TC2));
- while(!DMA_GetFlagStatus(DMA1_FLAG_TC4));
- while(!DMA_GetFlagStatus(DMA1_FLAG_TC5));
- while(!DMA_GetFlagStatus(DMA1_FLAG_TC3));
-
- /* Wait for SPI1 data reception: CRC transmitted by SPI2 */
- while(SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE)==RESET);
- /* Wait for SPI2 data reception: CRC transmitted by SPI1 */
- while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE)==RESET);
-
- /* Check the corectness of written dada */
- TransferStatus1 = Buffercmp(SPI2_Buffer_Rx, SPI1_Buffer_Tx, BufferSize);
- TransferStatus2 = Buffercmp(SPI1_Buffer_Rx, SPI2_Buffer_Tx, BufferSize);
- /* TransferStatus1, TransferStatus2 = PASSED, if the data transmitted and received
- are correct */
- /* TransferStatus1, TransferStatus2 = FAILED, if the data transmitted and received
- are different */
-
- /* Test on the SPI1 CRCR ERROR flag */
- if ((SPI_I2S_GetFlagStatus(SPI1, SPI_FLAG_CRCERR)) != RESET)
- {
- TransferStatus1 = FAILED;
- }
- /* Test on the SPI2 CRCR ERROR flag */
- if ((SPI_I2S_GetFlagStatus(SPI2, SPI_FLAG_CRCERR)) != RESET)
- {
- TransferStatus2 = FAILED;
- }
-
- /* Read SPI1 received CRC value */
- SPI1CRCValue = SPI_I2S_ReceiveData(SPI1);
- /* Read SPI2 received CRC value */
- SPI2CRCValue = SPI_I2S_ReceiveData(SPI2);
-
- 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/2 */
- RCC_PCLK2Config(RCC_HCLK_Div2);
-
- /* 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 --------------------------------------------------*/
- /* Enable DMA1 clock */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
- /* Enable GPIOA, GPIOB and SPI1 clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_SPI1, ENABLE);
- /* Enable SPI2 Periph clock */
- 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: SCK, MISO and MOSI */
- GPIO_InitStructure.GPIO_Pin = 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: SCK, MISO and MOSI */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : NVIC_Configuration
-* Description : Configures Vector Table base location.
-* 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 : - pBuffer, pBuffer1: buffers to be compared.
-* : - BufferLength: buffer's length
-* Output : None
-* Return : PASSED: pBuffer identical to pBuffer1
-* FAILED: pBuffer differs from pBuffer1
-*******************************************************************************/
-TestStatus Buffercmp(u8* pBuffer, u8* pBuffer1, u16 BufferLength)
-{
- while(BufferLength--)
- {
- if(*pBuffer != *pBuffer1)
- {
- return FAILED;
- }
-
- pBuffer++;
- pBuffer1++;
- }
-
- 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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