Change MODE, CS, BUS, and SPEED using SPI-DEV driver?
I have built a linux kernel using only the "S3C6410 High Speed SPI Driver." Debug messages were enabled.
In the ./drivers/spi directory, the following were built: built-in.o hspi-s3c64xx.o spi-dev.o spi.o
When I open the driver from a user space application, the debug statements come from the SPI-DEV driver. However, I don't see the IOCTL calls in spi-dev.c to change the MODE, CS, BUS, or SPEED. I also need to use two speeds, high and low. The question I have is how do I modify these settings?
Thanks in advance.
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Quoted 2 lines · Charles Martel
The question I have is how do I modify these settings?
Evidently you haven't yet looked at the
documentation. Try that. There's a sample
program which will be informative.
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