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Man Pages
MODBUS_RTU_SET_RTS_D(3) libmodbus Manual MODBUS_RTU_SET_RTS_D(3)

modbus_rtu_set_rts_delay - set the RTS delay in RTU

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.

modbus_rtu_get_rts_delay(3)

Jimmy Bergström <jimmy@ekontroll.com>

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

04/09/2022 libmodbus v3.1.6

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