WP77xx/WP76xx SPI minimum speed

[jyijyi]

You need to make some test to see whether it works or not as this is out of the scope of specification.

You can refer to these sample code and modify the clock speed:

Spi clock interruption

How to use SPI ?

Any news on this? I have been trying to get SPI1 running now for a while on my WP85. SPI1_MOSI and SPI1_SCK looks OK on scope but I cannot set the SPI1_MRDY pin which I use as a slave select to my SPI slave. See my code snippets below. #include "legato.h" #include "interfaces.h" #include <stdint.h> #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <getopt.h> #include <fcntl.h> #include <sys/ioctl.h> #include <linux/types.h> #include <linux/spi/sierra_spidev.h> #define SPI_CPH…