Introduction - If you have any usage issues, please Google them yourself
An ARM7 developed on the Modbus protocol examples, the program Manley STR7 development board development. Main function is to man-machine interface through the serial port 0 to connect a development board, development board through the serial port to connect a slave board, among the data communication protocol through the ModbusRTU. It also can be remote communication serial port 2. The functional development board as a slave, remote device as a host. Program uses ucos_ii operating system to achieve.