缺省时是DCE向DTE发送数据，当DTE决定向DCE发数据时，先有效RTS，表示DTE希望向DCE发送。一般DCE不能马...
libmodbus version f1eb4bc Description Example: EXAMPLE --- .Enable the RTS mode with positive polarity [source,c] --- modbus_t *ctx; uint16_t tab_reg[10]; ctx = modbus_new_rtu("/dev/ttyS0", 115200, 'N', 8, 1); modbus_...
Hi used function modbus_rtu_set_custom_rts(), for manage trasmition direction using a gpio of my HW. I insert this function in main modbus ... ctxRTU = modbus_new_rtu("/dev/ttyS0", 19200, 'N', 8, 1); modbus_connect(ctxRTU); modbus_rtu_set_custom_rts(ctxRTU, csetrts); .....
The Modbus master (our TempDefender G2 RTU) will assert RTS, and then the Modbus slave (then CAT GCCP 1.2 Control Panel for the D60 Generator) will assert CTS to indicate that it is ready to receive data.If the RTS Head time is too short, the Modbus slave may not be able to ...