NAME

modbus_rtu_set_rts_delay - set the RTS delay in RTU

SYNOPSIS

int modbus_rtu_set_rts_delay(modbus_t *ctx, int us);

The modbus_rtu_set_rts_delay() function shall set the 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_set_rts_delay() function shall return 0 if successful. Otherwise it shall return -1 and set errno.

EINVAL

The libmodbus backend is not RTU or a negative delay was specified.

Jimmy Bergström <jimmy@ekontroll.com>

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