#include "stm32f10x.h"
#include "USART.h"
void USART1_SendByte(u16 Data)
{
while (!(USART1->SR & USART_FLAG_TXE));
USART1->DR = (Data & (uint16_t)0x01FF);
}
void USART1Write(u8* data,u16 len)
{
u16 i;
// DIR485_H ;
for (i=0; i<len; i++){
USART1_SendByte(data[i]);
}
// Delay10us(1000);
// DIR485_L;
}
void USART1_Configuration(void)
{
USART_InitTypeDef USART_InitStructure;
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;
USART_Init(USART1, &USART_InitStructure);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
/* DIR485_L; */
}
void USART1_IRQHandler(void)
{
u8 c;
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
{
c=USART1->DR;
USART1_SendByte(c);
}
}