How to use the pfio.send function in pfio
To help you get started, we’ve selected a few pfio examples, based on popular ways it is used in public projects.
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thomasmacpherson / piface / python / piface / spivisualiser.py View on Github 
# check we are three bytes long
if len(hex(spi_message)[2:]) > 6:
raise ValueError()
except ValueError:
msg = "Invalid SPI message"
self.error_text = msg
print msg
return
cmd = (spi_message >> 16) & 0xff
port = (spi_message >> 8) & 0xff
data = (spi_message) & 0xff
pfio.send([(cmd, port, data)], True)
