Ashley Mills
This is the Adafruit thermal printer, whose Arduino library is published here: http://www.ladyada.net/products/thermalprinter/. This is a basic port to mbed that needs proper testing. The printBitmap function is not ported yet.
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This is the Adafruit thermal receipt printer library ported hastily to mbed.
printBitmap is not yet ported. TBD
It needs testing properly. TBD