modbus_rtu_get_rts - Man Page

get the current RTS mode in RTU

Synopsis

int modbus_rtu_get_rts(modbus_t *ctx);

Description

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.

Return Value

The function shall return the current RTS mode if successful. Otherwise it shall return -1 and set errno.

Errors

EINVAL

The libmodbus backend is not RTU.

See Also

modbus_rtu_set_rts(3)

Authors

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

Referenced By

libmodbus(7), modbus_rtu_set_rts(3).

10/18/2021 libmodbus v3.1.6 libmodbus Manual