NAME¶

modbus_rtu_get_rts - 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

SEE ALSO¶

modbus_rtu_set_rts(3)

AUTHORS¶

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