georgedewar/datalock-lock

The Arduino-powered door module of the Datalock

datalock-lock

The Arduino-powered door module of the Datalock

datalock-lock's Issues

Return Bluno and buy Grove Serial BT device or similar

The Bluno died, and I now have doubts about its design, with it sharing the hardware serial port with the USB-Serial converter.

We would probably be better off with a discrete BLE module such as the Grove one or something else.

Health indication

Currently, we display P for Polling and L for Logging when HTTP requests are being made, but there is no indication whether they have succeeded or failed.

Another indicator could be added beside it (perhaps only when in a "debug mode") which indicates whether the last request succeeded or not.

Operate in offline mode if unable to connect to WiFi

Currently the unit hangs indefinitely if it cannot connect.

Memory leak

4 bytes of memory is lost when each instruction is received via the HTTP polling, causing the device to crash eventually.

Make HTTP requests occur asynchronously

The device should not busy-wait for an HTTP request to complete, but rather check in the main loop. This may require modification of the WiFi shield library.

Use newer WiFi shield

We should switch to the WiFi shield supplied at DataComp. It is newer, with an Uno R3 pinout, which allows it to stack directly on top of the Arduino without additional headers.

It can also communicate over SPI with a firmware upgrade, which should improve reliability over the software serial currently employed - and free up two valuable IO pins.

Add reset function

Add the ability to reset the EEPROM memory of the Arduino using a serial command, or a button. This clears out all the users.