Make it work with Python 3 and BusPirate #1
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This is wrong. Perhaps Python 2 was a little more forgiving so this didn't cause an exception.
Not as good as Perl, but generally more available than Python 2 nowadays.
This 512K chip is on a Book8088's LCD driver board.
Let's parse the option first, before accessing the I2C bus. This will allow us to choose between different I2C backends. Besides that, there's absolutely no need to catch GetoptError exceptions for anything other than call to getopt().
Add support for programming via BusPirate using the pyBusPirateLite library. The backend is negotiated automatically, BusPirate silently fallen back to if the smbus backend doesn't work. The --backend option allows explicitly choosing the backend, which is useful for getting a traceback in case of a failure instead of the silent fallback. $ time python pyprog.py -w sad-and-broken.bin Can't use SMBUS backend (use --backend=smbus to force it anyway), attempting BusPirate... Using BusPirate backend (assuming --backend=buspirate) JEDEC ID: 0x856013 Manufacturer PUYA Chip: P25Q40 Size: 512KB Setup chip commands for Winbond... Flash status register: 0x0 Erasing... done Flashing sad-and-broken.bin Will write 512Kb Writting addr 6800 ...
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This made the tool so much more useful to me that I had to tell all my friends and some enemies too.