New answers tagged pigpio
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Regardless of the word size pigpio always transfers in units of a byte.
That means any value in the data parameter of spi_xfer must be in the range 0-255 (0x0-0xff).
The default word size is 8-bit bytes. You can change the word size for the Auxiliary SPI device to 1-32 bits when you open the device with spi_open.
If you do set a non-standard word size of ...
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May not be a complete answer to your question but useful to know.
If you really need fast GPIO or GPIO which is "real time" (meaning that you can guarantee, for example, how long a signal stays high / goes low for, then you should not be using a non-RTOS (Real Time OS) device, such as a Raspberry Pi with Linux kernel. (Or if you need particularly &...
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