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Man Pages
MODBUS_RTU_GET_RTS_D(3) libmodbus Manual MODBUS_RTU_GET_RTS_D(3)

modbus_rtu_get_rts_delay - get the current RTS delay in RTU

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>
12/20/2018 libmodbus v3.1.4

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