Yes, I managed to brick my landroid. I even got a bit worried before I managed to unbrick it again. And while unbricking it via jtag/swd I made a simple modification to please the programming god!
This is just a proof of concept that I managed to unbrick and flashed my modified firmware via openOCD.
The next step would be to do a REAL 'Hello World', but for this I have to identify the unknown 128x64 chip-on-glass display.
I tried to dismantle but the pieces seams glued stuck and I don't want to break anything. So I'll search around and see if there are any standards how to speak to the display.
It talks via SPI and uses 8 pins.
- * K
- * CSB
- * A0
- * SCLK
- * SDA
- * VDD
- * GND
I also noticed I missed to identify an IC, probobly an RTC (Real Time Clock) type of chip:
I can't find anything on this, so if anyone has better luck please let me know!