Managed, after a long search, to find the item references for the mainscreen 1-2-3 in the eeprom settings:
[code]
ID: 02F83201
Temp. Control. Byte 6
Temp. Motor Byte 7
Pictures will follow after a made a (semi)permanent mount for it. First I would like to tinker with the firmware.
From what I could reproduce; the voltage for the MCP is better of with Vusb minus voltagedrop over 1N4148 ~= 4V2
Might be more information...
EasyDIY display working fine now!
A power issue caused the workaround to function.
The MCP2515 init is not complete wrong; it is intended for 500kBPS with a 16Mhz X-tal; most modules are equiped with a 8Mhz thus suitable parameters for Bafang 250kBPS.
What was causing the problem: MCP2515 Vcc...
I digged into the github and found my workaround, now it is alive:
Had to perform a nasty hack to get it going; UPDATE next (small printed) section is NOT correct. It was 'only' a power supply issue!
my suspicious thoughts about the MCP 250k init values in CANSPI.c were kind of confirmed...
Finished my EasyDIY display, welcome screen 0.20.0 is shown and rgb leds blink red-orange-green then turn off.
All buttons work and I can access the settings menu with up-down combo also on-off = select are responding well.
MCP2515 can (with x-tal 8MHz) module tested fine with CanHacker but...
Sorry to jump in late on this conversation.
Recently joined this topic and struggled 2 evenings with this same "issue"; the ST-Link could NOT unlock the nRF52840.
Simply not possible, BUT!!! I did manage to succeed without buying a j-link (clone).
Solution I found was to 'reconfiger' a BluePill...