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Diffstat (limited to 'src/stm32lib/examples/USART/HyperTerminal_HwFlowControl/main.c')
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diff --git a/src/stm32lib/examples/USART/HyperTerminal_HwFlowControl/main.c b/src/stm32lib/examples/USART/HyperTerminal_HwFlowControl/main.c
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--- a/src/stm32lib/examples/USART/HyperTerminal_HwFlowControl/main.c
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-/******************** (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 -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define TxBufferSize (countof(TxBuffer) - 1)
-#define RxBufferSize 0xFF
-
-/* Private macro -------------------------------------------------------------*/
-#define countof(a) (sizeof(a) / sizeof(*(a)))
-
-/* Private variables ---------------------------------------------------------*/
-USART_InitTypeDef USART_InitStructure;
-u8 TxBuffer[] = "\n\rUSART Hyperterminal Hardware Flow Control Example: USART - \
-Hyperterminal communication using hardware flow control\n\r";
-u8 RxBuffer[RxBufferSize];
-u8 NbrOfDataToTransfer = TxBufferSize;
-u8 TxCounter = 0;
-u8 RxCounter = 0;
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-
-/* 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();
-
-
-/* USART2 configuration ------------------------------------------------------*/
- /* USART2 configured as follow:
- - BaudRate = 115200 baud
- - Word Length = 8 Bits
- - One Stop Bit
- - No parity
- - Hardware flow control enabled (RTS and CTS signals)
- - Receive and transmit enabled
- */
- USART_InitStructure.USART_BaudRate = 115200;
- 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_RTS_CTS;
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
-
- USART_Init(USART2, &USART_InitStructure);
- /* Enable the USART2 */
- USART_Cmd(USART2, ENABLE);
-
-/* Communication hyperterminal-USART2 using hardware flow control -------------*/
- /* Send a buffer from USART to hyperterminal */
- while(NbrOfDataToTransfer--)
- {
- USART_SendData(USART2, TxBuffer[TxCounter++]);
- while(USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET);
- }
-
- /* Receive a string (Max RxBufferSize bytes) from the Hyperterminal ended by '\r' (Enter key) */
- do
- {
- if((USART_GetFlagStatus(USART2, USART_FLAG_RXNE) != RESET)&&(RxCounter < RxBufferSize))
- {
- RxBuffer[RxCounter] = USART_ReceiveData(USART2);
- USART_SendData(USART2, RxBuffer[RxCounter++]);
- }
-
- }while((RxBuffer[RxCounter - 1] != '\r')&&(RxCounter != RxBufferSize));
-
- 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 GPIOx and AFIO clocks */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOx | RCC_APB2Periph_AFIO, ENABLE);
-
- /* Enable USART2 clocks */
- 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 USART2 RTS and USART2 Tx as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_RTSPin | GPIO_TxPin;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOx, &GPIO_InitStructure);
-
- /* Configure USART2 CTS and USART2 Rx as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_CTSPin | GPIO_RxPin;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOx, &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
-}
-
-#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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