modbus_set_debug(3) =================== NAME ---- modbus_set_debug - set debug flag of the context SYNOPSIS -------- *int modbus_set_debug(modbus_t *'ctx', int 'flag');* DESCRIPTION ----------- The *modbus_set_debug()* function shall set the debug flag of the *modbus_t* context by using the argument _flag_. By default, the boolean flag is set to `FALSE`. When the _flag_ value is set to `TRUE`, many verbose messages are displayed on stdout and stderr. For example, this flag is useful to display the bytes of the Modbus messages. [verse] ___________________ [00][14][00][00][00][06][12][03][00][6B][00][03] Waiting for a confirmation... <00><14><00><00><00><09><12><03><06><02><2B><00><00><00><00> ___________________ RETURN VALUE ------------ The function shall return 0 if successful. Otherwise it shall return -1 and set errno. AUTHORS ------- The libmodbus documentation was written by Stéphane Raimbault