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- Current Firmware: https://github.com/embedded-software-laboratory/cpm_lab/tree/master/low_level_controller
For questions, please contact Patrick Scheffe
| Info |
|---|
Steps require Main Vehicle PCB to be connected to vehicle to provide power |
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- Patrick Scheffe
1. Atmel Studio 7.0
- Start Atmel Studio 7.0
- Load current vehicle firmware solution "vehicle_atmega2560_firmware.atsln"
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- Check pinout of Programmer, Vehicle and Connector Cable:
- With vehicle power OFF, connect ICE programmer AVR Port to JTAG header.
- Connect ICE programmer with USB cable to PC.
3. Fuses
- Turn ON vehicle
- Connect to ATmega Chip using Device with Tools→Device Programming
- Click Apply
- Click Read
- Set the correct fuses . The following fuses deviate from the default(see table and screenshot below)
- Click Program
| 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 |
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| Info |
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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.
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