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Initial implementation of DTR handshake (not working!!) #27
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derekolson
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Hello all, I've been trying to get the experimental hardware DTR handshake working on a raspberry pi 3, with little success. https://learn.adafruit.com/mini-thermal-receipt-printer/hacking
I'm attempting to implement it taking notes from the Arduino library: https://github.com/adafruit/Adafruit-Thermal-Printer-Library/blob/master/Adafruit_Thermal.cpp#L69
(The arduino library works surprisingly well with my printer...)
It seems like it is working until it gets to high data events like printing bitmaps, then it just becomes garbled. Any tips / pointers to guide me in the right direction would be greatly appreciated!