Page History
Please follow steps to flash ATmega with current CPM ATmega Firmware.
- Current Firmware: https://git.rwth-aachen.de/CPM/Project/Lab/softwaregithub.com/embedded-software-laboratory/cpm_lab/tree/master/vehiclelow_atmega2560level_firmwarecontroller
| Info |
|---|
Steps require Main Vehicle PCB to be connected to vehicle to provide power |
For questions, please contact:
- Christoph FrauzemPatrick Scheffe
1. Atmel Studio 7.0
Start Atmel Studio 7.0 and load current vehicle firmware solution "vehicle_atmega2560_firmware.atsln"
2. ICE Programmer
| Warning |
|---|
Make sure vehicle is powered off before connecting programmer |
With vehicle power OFF, connect ICE programmer AVR Port to JTAG header.
Make sure to check pinout of Programmer, Vehicle and Connector Cable:
3. Fuses
Turn ON vehicle and connect to ATmega Chip using Device Programming (Apply and Read).
...
| Fuse | Correct Setting |
|---|---|
| HIGH.SPIEN | Unchecked |
| HIGH.EESAVE | Optional i.e. checked or unchecked |
| LOW.CKDIV8 | Unchecked |
| LOW.SUT_CKSEL | Ext. Crystal Osc. 8.0- MHz; Start-up time: 16 CK + 65ms |
| Warning |
|---|
If vehicle is behaving irregularly i.e. servo steering is acting erratic, LEDs timing appears off, this is most likely due to an issue with the clock.
|
...
| Warning |
|---|
Turn OFF vehicle after flashing is complete BEFORE disconnecting programmer |
5. Tests
By setting a jumper, a test mode is activated. This allows testing the inputs and outputs without the MLC.
...
Overview
Content Tools