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USART_Cmd(USART1, ENABLE);
/* DIR485_L; */

/* Enable USART1 global interrupt */
NVIC_EnableIRQ(USART1_IRQn);
}

/*void USART1_IRQHandler(void)
{
u8 c;
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
{
c=USART1->DR;
USART1_SendByte(c);
}
}*/

void USART2_SendByte(u16 Data)
{
while (!(USART2->SR & USART_FLAG_TXE));
USART2->DR = (Data & (uint16_t)0x01FF);

}
void USART2Write(u8* data,u16 len)
{
u16 i;
// DIR485_H ;
for (i=0; i<len; i++){
USART2_SendByte(data[i]);
}
// Delay10us(1000);
// DIR485_L;
}
void USART2_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 ;

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