求助：stm32f4串口发数，用pc接收的数据不对
stm32F427发送，用232转usb接到电脑上，用串口调试助手接收，发送6个字节是{3F,01,03,04,00,校验和}，电脑接收的6个字节是{60 7F 7E DF 71 00}，求助了。程序代码如下：
void Uart_init(void)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;//RX
GPIO_InitStructure.GPIO_PuPd= GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode= GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //TX
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource8, GPIO_AF_USART3);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_USART3);
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_Tx | USART_Mode_Rx;
USART_Init(USART3, &USART_InitStructure);
USART_Cmd(USART3, ENABLE);
}
void Usart3_SendData(USART_TypeDef* USARTx, unsigned char TempData)
{
while(!(USARTx->SR&0x80));
//while(!(USARTx->SR&0x40)){};
//while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET){}
USARTx->DR = (TempData & (uint16_t)0x01FF);
//while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET){}
//while((USARTx->SR&0x40)==0);
}
void usart3_send_data(unsigned char Send_number,unsigned char *Send_data)
{
unsigned char i;
for(i=0;i<Send_number;i++)
{
Usart3_SendData(USART3, Send_data);
//delay_ms(2);
}
}
void Sensor_Data_Generate_Send(void)
{
unsigned char i=0;
Data_Buffer=0x3F;
Data_Buffer=0x01;
Data_Buffer=0x03;
Data_Buffer=0x04;
for(i=4;i<5;i++)
{
Data_Buffer=0x00;
}
CHK_SUM=0;
for(i=0;i<5;i++)
CHK_SUM+=Data_Buffer;
Data_Buffer=CHK_SUM % 255；
usart3_send_data(6, Data_Buffer);
}
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