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uCOS-II Template/App/SerialPort.c

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+#include <stdio.h>
+#include "stm32f10x.h"
+#include "SerialPort.h"
+
+#ifdef __GNUC__
+  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
+     set to 'Yes') calls __io_putchar() */
+  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
+#else
+  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
+#endif /* __GNUC__ */
+
+PUTCHAR_PROTOTYPE
+{
+  USART_SendData(USART1, (uint8_t) ch);
+
+  /* 循环等待直到发送结束*/
+  while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
+
+  return ch;
+}
+
+static void NVIC_Configuration(void)
+{
+	NVIC_InitTypeDef NVIC_InitStructure;
+	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+	
+	NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
+	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
+	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+	NVIC_Init(&NVIC_InitStructure);
+}
+
+void SerialPortInit(int BaudRate)
+{
+	GPIO_InitTypeDef GPIO_InitStructure;
+	USART_InitTypeDef USART_InitStructure;
+
+	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA, ENABLE);	//使能USART1，GPIOA时钟
+	USART_DeInit(USART1);  //复位串口1
+	//USART1_TX   PA.9
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;	//复用推挽输出
+	GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化PA9
+
+	//USART1_RX	  PA.10
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
+	GPIO_Init(GPIOA, &GPIO_InitStructure);  //初始化PA10     
+	/* USARTx configured as follow:
+		- BaudRate = 9600 baud  波特率
+		- Word Length = 8 Bits  数据长度
+		- One Stop Bit          停止位
+		- No parity             校验方式
+		- Hardware flow control disabled (RTS and CTS signals) 硬件控制流
+		- Receive and transmit enabled                         使能发送和接收
+	*/
+	USART_InitStructure.USART_BaudRate = BaudRate;
+	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;
+
+	USART_Init(USART1, &USART_InitStructure);
+	
+	NVIC_Configuration();
+	
+	// 打开串口接收中断
+	USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
+	
+	USART_Cmd(USART1, ENABLE);                    //使能串口 
+}

uCOS-II Template/App/SerialPort.h

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+#ifndef _SERIALPORT_H_
+#define _SERIALPORT_H_
+
+
+void SerialPortInit(int BaudRate);
+
+#endif //_SERIALPORT_H_