35973473d3
the SPI module reads and writes at the same time. If you don't want to write a value, then write all zeros or whatever the device you are communicating with wants.
8 lines
86 B
C
8 lines
86 B
C
#ifndef _SPI_H
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#define _SPI_H
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#include <stdint.h>
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uint8_t spi_byte(uint8_t);
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#endif |