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.

           [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
       <stephane.raimbault@gmail.com>