From a8aaabae4c1cc64a01d740a436336ca31c1f79ba Mon Sep 17 00:00:00 2001 From: iperry Date: Thu, 17 Dec 2009 02:46:08 +0000 Subject: removed extraneous files, stm32lib examples git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123 --- src/stm32lib/examples/SPI/DMA/main.c | 291 ----------------------------------- 1 file changed, 291 deletions(-) delete mode 100755 src/stm32lib/examples/SPI/DMA/main.c (limited to 'src/stm32lib/examples/SPI/DMA/main.c') 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****/ -- cgit v1.2.3