串行链路层的MODBUS通信协议,基于TI28x系列芯片，RTU传输方式。-MODBUS communication protocol of the serial link layer, based on TI28x series chip, RTU transmission mode.

本程序为DSP28335编写的modbus从站程序，对DSP串口编写人员有一定帮助。-The procedures for the preparation of modbus slave DSP28335 program, the DSP serial writers have some help.

在CCS3.3，DSP/BIOS环境下，应用TMS320F28335的SCI功能，编写了MODBUS-RTU从站程序，可以使用03功能码和16功能码，机器上应用通过-In CCS3.3, DSP/BIOS environment, application TMS320F28335 of SCI function, written MODBUS-RTU slave program, you can use the function codes 03 and 16 function code, ap