serial.c

ARM_CORTEX-M3应用实例开发详解光盘

/* Includes ------------------------------------------------------------------*/
#include "serial.h"
#include "stm32f10x.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

/* Private function prototypes -----------------------------------------------*/


/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Configures the USART.
  * @param  None
  * @retval None
  */
void USART_Configuration(void)
{
  USART_InitTypeDef USART_InitStructure;
  /* USARTx configuration ------------------------------------------------------*/
  /* USARTx configured as follow:
        - BaudRate = 115200 baud  
        - Word Length = 8 Bits
        - 1 Stop Bit
        - No parity
        - Hardware flow control disabled (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_None;
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

  STM_EVAL_COMInit(COM1, &USART_InitStructure);	 
}

/**
  * @brief  Redefine fputc function.
  * @param  ...
  * @retval ...
  */
int fputc(int ch, FILE *f)
{
  /* Place your implementation of fputc here */
  /* e.g. write a character to the USART */
  USART_SendData(EVAL_COM1, (u8) ch);

  /* Loop until the end of transmission */
  while(USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TXE) == RESET)
  {
  }

  return ch;
} 
/**
  * @}
  */ 

/**
  * @}
  */

/************* (C) COPYRIGHT 2009 Wuhan R&D Center, Embest *****END OF FILE****/