modbus_rtu_get_rts_delay - Man Page

int modbus_rtu_get_rts_delay(modbus_t *ctx);

The modbus_rtu_get_rts_delay() function shall get the current Request To Send delay period of the libmodbus context ctx.

This function can only be used with a context using a RTU backend.

The modbus_rtu_get_rts_delay() function shall return the current RTS delay in microseconds if successful. Otherwise it shall return -1 and set errno.

EINVAL

The libmodbus backend is not RTU.

modbus_rtu_set_rts_delay(3)

Jimmy Bergström <jimmy@ekontroll.com>

The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>

libmodbus(7), modbus_rtu_set_rts_delay(3).