diff libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_HwFlowControl/main.c @ 0:c59513fd84fb

Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/HyperTerminal_HwFlowControl/main.c	Mon Oct 03 21:19:15 2011 +1030
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+/**
+  ******************************************************************************
+  * @file    USART/HyperTerminal_HwFlowControl/main.c 
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    08-April-2011
+  * @brief   Main program body
+  ******************************************************************************
+  * @attention
+  *
+  * 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.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x.h"
+#include "platform_config.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup USART_HyperTerminal_HwFlowControl
+  * @{
+  */ 
+
+/* 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;
+uint8_t TxBuffer[] = "\n\rUSART Hyperterminal Hardware Flow Control Example: USART - \
+Hyperterminal communication using hardware flow control\n\r";
+uint8_t RxBuffer[RxBufferSize];
+uint8_t NbrOfDataToTransfer = TxBufferSize;
+uint8_t TxCounter = 0;
+uint8_t RxCounter = 0;
+
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+  
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @brief   Main program
+  * @param  None
+  * @retval None
+  */
+int main(void)
+{
+  /*!< At this stage the microcontroller clock setting is already configured, 
+       this is done through SystemInit() function which is called from startup
+       file (startup_stm32f10x_xx.s) before to branch to application main.
+       To reconfigure the default setting of SystemInit() function, refer to
+       system_stm32f10x.c file
+     */     
+       
+  /* System Clocks Configuration */
+  RCC_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)
+  {
+  }
+}
+
+/**
+  * @brief  Configures the different system clocks.
+  * @param  None
+  * @retval None
+  */
+void RCC_Configuration(void)
+{    
+  /* Enable GPIOx and AFIO clocks */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOx | RCC_APB2Periph_AFIO, ENABLE);
+
+  /* Enable USART2 clocks */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
+}
+
+/**
+  * @brief  Configures the different GPIO ports.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+#if defined(USE_STM3210B_EVAL) || defined(USE_STM32100B_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);
+}
+
+#ifdef  USE_FULL_ASSERT
+
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(uint8_t* file, uint32_t 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 2011 STMicroelectronics *****END OF FILE****/