最佳答案：at指令一般以回车换行结尾。int len =0;unsigned char buff[1024] = {0x0};buff[len++] = uart_recv_byte();if((len >

串口如何接收at指令信号

at指令一般以回车换行结尾。

int len =0;

unsigned char buff[1024] = {0x0};

buff[len++] = uart_recv_byte();

if((len >= 2) && (buff[len-2] == 0x0a) && buff[len-2] == 0x0d))

{

at_process(buff, len);

}