modbus_rtu_get_rts_delay - Man Page

get the current RTS delay in RTU

Synopsis

int modbus_rtu_get_rts_delay(modbus_t *ctx);

Description

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.

Return Value

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.

Errors

EINVAL

The libmodbus backend is not RTU.

See Also

modbus_rtu_set_rts_delay(3)

Authors

Jimmy Bergström <jimmy@ekontroll.com>

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

Referenced By

libmodbus(7), modbus_rtu_set_rts_delay(3).

10/18/2021 libmodbus v3.1.6 libmodbus Manual