#include "usart.h"
#include "pbdata.h"
char USART1_TX_BUF[USART1_MAX_SEND_LEN]; 	//发送缓冲,最大USART2_MAX_SEND_LEN字节
void UART_PutChar(USART_TypeDef* USARTx, uint8_t Data)  
{  
    USART_SendData(USARTx, Data);  
    while(USART_GetFlagStatus(USARTx, USART_FLAG_TC) == RESET){}  
}  
 
void UART_PutStr (USART_TypeDef* USARTx, char *str)    
{    
    while (0 != *str)    
    {    
        UART_PutChar(USARTx, *str);    
        str++;      
    }    
}

void USART_OUT(USART_TypeDef* USARTx, uint8_t *Data,uint16_t Len)
{ 
	uint16_t i;
	for(i=0; i<Len; i++){
		USART_SendData(USARTx, Data[i]);
		while(USART_GetFlagStatus(USARTx, USART_FLAG_TC)==RESET);
	}
}
int fputc(int ch,FILE *f)
{
   USART_ClearFlag(USART1,USART_FLAG_TC);
   USART_SendData(USART1,(u8)ch);
   while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);//等待发送数据完毕);
   return ch;
}

void USART1_Configuration(u32 baund)
{
    USART_InitTypeDef USART_InitStructure;
    GPIO_InitTypeDef GPIO_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);	//使能USART1
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);	//GPIOA时钟
    
	
 	  USART_DeInit(USART1);  //复位串口1
    
	 //USART1_TX   PA.9
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;	
    GPIO_Init(GPIOA, &GPIO_InitStructure); 
    
    //USART1_RX	  PA.10
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    

	  GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1);
	  GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1);
    
    
    USART_InitStructure.USART_BaudRate = baund;
    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);
		
    
		
		USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);//开启USART1的接收中断
		//Usart1 NVIC 配置
		NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;//串口1中断通道
		NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3;//抢占优先级3
		NVIC_InitStructure.NVIC_IRQChannelSubPriority =0;		//子优先级3
		NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			//IRQ通道使能
		NVIC_Init(&NVIC_InitStructure);	//根据指定的参数初始化VIC寄存器、
		USART_Cmd(USART1,ENABLE);
		USART_ClearFlag(USART1,USART_FLAG_TC); //清除发送完成标志位 
		
}



//使用串口读取SDI先复位串口，并且重新配置一下IO
void USART_RS232_DEinit(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    USART_Cmd(USART1,DISABLE);
    USART_DeInit(USART1);
		RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);	 	//使能PB端口时钟
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10;
		GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; 		 		 //推挽输出
		GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;         //推免
		GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;           //上拉
		GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz;		 //IO口速度为400KHz
		GPIO_Init(GPIOA, &GPIO_InitStructure);
    GPIO_SetBits(GPIOA,GPIO_Pin_9);
    GPIO_SetBits(GPIOA,GPIO_Pin_10);
}
//使用串口读取SDI先复位串口，并且重新配置一下IO
void USART_SDI_DEinit(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    USART_Cmd(USART1,DISABLE);
    USART_DeInit(USART1);
		RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);	 	//使能PB端口时钟
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7;
		GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; 		 		 //推挽输出
		GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;         //推免
		GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;           //上拉
		GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz;		 //IO口速度为400KHz
		GPIO_Init(GPIOB, &GPIO_InitStructure);
    GPIO_SetBits(GPIOB,GPIO_Pin_6);
    GPIO_SetBits(GPIOB,GPIO_Pin_7);
}
void USART1_IRQHandler(void)
{   
  u8 ucCh;
  if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)//接收到数据
  {	 
    ucCh =USART_ReceiveData(USART1);
    USART_SendData(USART1, ucCh);
		while(USART_GetFlagStatus(USART1, USART_FLAG_TC)==RESET);
  }  			

  
}