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livebox:hah_i2c [2011/12/31 19:30]
brett [Configuration]
livebox:hah_i2c [2011/12/31 19:31]
brett [Firmware debugging]
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 ===== Firmware debugging ===== ===== Firmware debugging =====
  
-Although direct control with the AVR isn't necessary, its useful to understand how the underlying commands are being invoked. ​ If you are having problems and want to do some low level debugging with microcom directly talking to the AVR command interface this is what you need to know.+Although direct control with the AVR isn't necessary, its useful to understand how the underlying commands are being invoked. ​ If you are having problems and want to do some low level debugging with ''​microcom'' ​directly talking to the AVR command interface this is what you need to know.
  
 The firmware command "''​i2c scan''"​ is VERY useful when making sure that the hardware is correctly setup and configured. ​ Issuing this command will perform a scan of ALL I2C addresses from 0x00-0xFF to see what responds. ​ You can only run this with direct microcom connection to the AVR running in DEBUG mode.  See also [[hah_microcontroller]] The firmware command "''​i2c scan''"​ is VERY useful when making sure that the hardware is correctly setup and configured. ​ Issuing this command will perform a scan of ALL I2C addresses from 0x00-0xFF to see what responds. ​ You can only run this with direct microcom connection to the AVR running in DEBUG mode.  See also [[hah_microcontroller]]