modbus_tcp: Add last seen NFC tag registers. Allows implementing auth via modbus.

Tinkerforge / esp32-firmware

Firmwares for ESP32 Brick and ESP32 Ethernet Brick (including firmwares for WARP/WARP2 Charger, WARP Energy Manager)

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Closed rtrbt closed 1 year ago

rtrbt commented 1 year ago

To decide:

Clear registers if tag_seen > for example 30 seconds? Maybe both a self-clearing and a permanent set of registers?
Add LED control and/or a register to signal the charger that a tag was seen and accepted/not accepted

ffreddow commented 1 year ago

fixed with e9f59055c642cf1c783c207531774bf3bd921dea