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by flutie98
Thu Mar 14, 2013 10:24 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: py-spidev mod help
Replies: 7
Views: 8473

Re: py-spidev mod help

This worked perfectly! Thank you very much. This was for a rather strange project. Im using several MCP23S17 16bit GPIO expanders (SPI 10MHz) and was making some code to be able to bit bang multiple serial bus off the GPIO expanders to feed several LCD displays. Now with the large burst SPI transfer...
by flutie98
Thu Mar 14, 2013 2:39 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: py-spidev mod help
Replies: 7
Views: 8473

py-spidev mod help

Hi, I'm trying to use the py-spidev python wrapper to send large lists (~32768) of bytes over SPI in a single shot of spi.writebytes() It however has a spidev_max_path argument of 4096 and an accompanied error message in spi.writebytes for lists larger than 4096 "Argument must be a list of at least ...

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