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/USART/DMA_Interrupt/main.c | 362 ----------------------- 1 file changed, 362 deletions(-) delete mode 100755 src/stm32lib/examples/USART/DMA_Interrupt/main.c (limited to 'src/stm32lib/examples/USART/DMA_Interrupt/main.c') diff --git a/src/stm32lib/examples/USART/DMA_Interrupt/main.c b/src/stm32lib/examples/USART/DMA_Interrupt/main.c deleted file mode 100755 index e1b031d..0000000 --- a/src/stm32lib/examples/USART/DMA_Interrupt/main.c +++ /dev/null @@ -1,362 +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" -#include "platform_config.h" - -/* Private typedef -----------------------------------------------------------*/ -typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; - -/* Private define ------------------------------------------------------------*/ -#define USART1_DR_Base 0x40013804 -#define USART2_DR_Base 0x40004404 -#define TxBufferSize1 (countof(TxBuffer1) - 1) -#define TxBufferSize2 (countof(TxBuffer2) - 1) - -/* Private macro -------------------------------------------------------------*/ -#define countof(a) (sizeof(a) / sizeof(*(a))) - -/* Private variables ---------------------------------------------------------*/ -USART_InitTypeDef USART_InitStructure; -u8 TxBuffer1[] = "USART DMA Interrupt: USART1 -> USART2 using DMA Tx and Rx Flag"; -u8 TxBuffer2[] = "USART DMA Interrupt: USART2 -> USART1 using DMA Tx and Rx Interrupt"; -u8 RxBuffer1[TxBufferSize2]; -u8 RxBuffer2[TxBufferSize1]; -u8 NbrOfDataToRead = TxBufferSize1; -u8 index = 0; -volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED; -ErrorStatus HSEStartUpStatus; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -void NVIC_Configuration(void); -void DMA_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(); - - /* Configure the GPIO ports */ - GPIO_Configuration(); - - /* Configure the DMA */ - DMA_Configuration(); - -/* USART1 and USART2 configuration ------------------------------------------------------*/ - /* USART and USART2 configured as follow: - - BaudRate = 230400 baud - - Word Length = 8 Bits - - One Stop Bit - - No parity - - Hardware flow control disabled (RTS and CTS signals) - - Receive and transmit enabled - */ - - USART_InitStructure.USART_BaudRate = 230400; - USART_InitStructure.USART_WordLength = USART_WordLength_8b; - USART_InitStructure.USART_StopBits = USART_StopBits_1; - USART_InitStructure.USART_Parity = USART_Parity_No; - USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; - USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; - - /* Configure USART1 */ - USART_Init(USART1, &USART_InitStructure); - /* Configure USART2 */ - USART_Init(USART2, &USART_InitStructure); - - /* Enable USART1 DMA TX request */ - USART_DMACmd(USART1, USART_DMAReq_Tx, ENABLE); - - /* Enable USART2 DMA TX request */ - USART_DMACmd(USART2, USART_DMAReq_Tx, ENABLE); - - /* Enable the USART2 Receive Interrupt */ - USART_ITConfig(USART2, USART_IT_RXNE, ENABLE); - - /* Enable DMA1 Channel4 */ - DMA_Cmd(DMA1_Channel4, ENABLE); - /* Enable DMA1 Channel7 */ - DMA_Cmd(DMA1_Channel7, ENABLE); - - /* Enable the USART1 */ - USART_Cmd(USART1, ENABLE); - /* Enable the USART2 */ - USART_Cmd(USART2, ENABLE); - - /* Receive the TxBuffer2 */ - while(index < TxBufferSize2) - { - while(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET) - { - } - RxBuffer1[index++] = USART_ReceiveData(USART1); - } - - /* Wait until DMA1_Channel 4 Transfer Complete */ - while (DMA_GetFlagStatus(DMA1_FLAG_TC4) == RESET) - { - } - /* Wait until DMA1_Channel 7 Transfer Complete */ - while (DMA_GetFlagStatus(DMA1_FLAG_TC7) == RESET) - { - } - - /* Check the received data with the send ones */ - TransferStatus1 = Buffercmp(TxBuffer2, RxBuffer1, TxBufferSize2); - /* TransferStatus1 = PASSED, if the data transmitted from USART2 and - received by USART1 are the same */ - /* TransferStatus1 = FAILED, if the data transmitted from USART2 and - received by USART1 are different */ - TransferStatus2 = Buffercmp(TxBuffer1, RxBuffer2, TxBufferSize1); - /* TransferStatus2 = PASSED, if the data transmitted from USART1 and - received by USART2 are the same */ - /* TransferStatus2 = FAILED, if the data transmitted from USART1 and - received by USART2 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) - { - } - } - - /* DMA clock enable */ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); - /* Enable USART1, GPIOA, GPIOx and AFIO clocks */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA | - RCC_APB2Periph_GPIOx | RCC_APB2Periph_AFIO, ENABLE); - /* Enable USART2 clock */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, 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; - -#ifdef USE_STM3210B_EVAL - /* Enable the USART2 Pins Software Remapping */ - GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE); -#endif - - /* Configure USART1 Rx (PA.10) as input floating */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(GPIOA, &GPIO_InitStructure); - - /* Configure USART2 Rx as input floating */ - GPIO_InitStructure.GPIO_Pin = GPIO_RxPin; - GPIO_Init(GPIOx, &GPIO_InitStructure); - - /* Configure USART1 Tx (PA.09) as alternate function push-pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(GPIOA, &GPIO_InitStructure); - - /* Configure USART2 Tx as alternate function push-pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_TxPin; - GPIO_Init(GPIOx, &GPIO_InitStructure); -} - -/******************************************************************************* -* Function Name : NVIC_Configuration -* Description : Configures the nested vectored interrupt controller. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void NVIC_Configuration(void) -{ - NVIC_InitTypeDef NVIC_InitStructure; - -#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 - - /* Enable the USART2 Interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQChannel; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); -} - -/******************************************************************************* -* Function Name : DMA_Configuration -* Description : Configures the DMA. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void DMA_Configuration(void) -{ - DMA_InitTypeDef DMA_InitStructure; - - /* DMA1 Channel4 (triggered by USART1 Tx event) Config */ - DMA_DeInit(DMA1_Channel4); - DMA_InitStructure.DMA_PeripheralBaseAddr = USART1_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (u32)TxBuffer1; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_BufferSize = TxBufferSize1; - 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); - - /* DMA1 Channel7 (triggered by USART2 Tx event) Config */ - DMA_DeInit(DMA1_Channel7); - DMA_InitStructure.DMA_PeripheralBaseAddr = USART2_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (u32)TxBuffer2; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_BufferSize = TxBufferSize2; - DMA_Init(DMA1_Channel7, &DMA_InitStructure); -} - -/******************************************************************************* -* 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