modbus_set_debug
Name
modbus_set_debug - set debug flag of the context
Synopsis
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.