串口通信，主要是飞思卡尔芯片的串口中断接收和数据发送，串口设置都在程序中设置好了-the serial ports transmit

DSP2812处理器硬件SCI串口控制函数，包含发送接收、中断等，可自行设置波特率。-DSP2812 processor hardware SCI serial port control functions, including to send and receive, interrupt, etc., are free to set the baud rate.