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>