MODBUS_RTU_GET_RTS(3) | libmodbus Manual | MODBUS_RTU_GET_RTS(3) |
modbus_rtu_get_rts - get the current RTS mode in RTU
int modbus_rtu_get_rts(modbus_t *ctx);
The modbus_rtu_get_rts() function shall get the current Request To Send mode of the libmodbus context ctx. The possible returned values are:
This function can only be used with a context using a RTU backend.
The function shall return the current RTS mode if successful. Otherwise it shall return -1 and set errno.
EINVAL
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>
11/20/2021 | libmodbus v3.1.4 |