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modbus_enable_quirks() modbus_enable_quirks() Name modbus_enable_quirks - enable a list of quirks according to a mask Synopsis int modbus_enable_quirks(modbus_t *ctx, unsigned int quirks_mask); Description The function is only useful when you are confronted with equipment which does not respect the protocol, which behaves strangely or when you wish to move away from the standard. In that case, you can enable a specific quirk to workaround the issue, lib- modbus offers the following flags: * MODBUS_QUIRK_MAX_SLAVE allows slave addresses between 247 and 255. * MODBUS_QUIRK_REPLY_TO_BROADCAST force a reply to a broadcast request when the device is a slave in RTU mode (should be enabled on the slave de- vice). You can combine the flags by using the bitwise OR operator. Return value The function shall return 0 if successful. Otherwise it shall return -1 and set errno. See also * modbus_disable_quirks <modbus_disable_quirks.md> modbus_enable_quirks()
Name | Synopsis | Description | Return value | See also
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