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- Patrick Scheffe
1. Atmel Studio 7.0
- Start Atmel Studio 7.0
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- Load current vehicle firmware solution "vehicle_atmega2560_firmware.atsln"
2. ICE Programmer
Warning |
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Make sure vehicle is powered off before connecting the programmer! |
- Check pinout of Programmer, Vehicle and Connector Cable:
- 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
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- Connect to ATmega Chip using Device Programming
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- Click Apply
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- Click Read
- Set the correct fuses. The following fuses deviate from the default
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Fuse | Correct Setting |
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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 |
Warninginfo |
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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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4. Flash ATmega
- Flash chip using Start without Debugging
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- Turn OFF vehicle
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- Disconnect programmer
5. Tests
By setting a jumper, a test mode is activated. This allows testing the inputs and outputs without the MLC.
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Overview
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