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e2af903d05
This uses the core/dev/spi.h header and implements the spi_init()
function and the various macros for SPI operation. ssi.h contains all of
the register locations and information.
This implementation is not very versatile, mostly because I don't how to
make it flexible in the contiki system. It supports pin muxing for the
four spi pins, but other than that picks sensible defaults.
The SPI macros (like SPI_READ()) are defined in
cpu/cc2538/spi-arch.h. In order to use the SPI driver, add the following
includes to your project:
#include "spi-arch.h
#include "dev/spi.h"
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|---|---|---|
| .. | ||
| dev | ||
| usb | ||
| cc2538.lds | ||
| clock.c | ||
| cpu.c | ||
| cpu.h | ||
| dbg.c | ||
| dbg.h | ||
| debug-uart.h | ||
| ieee-addr.c | ||
| ieee-addr.h | ||
| lpm.c | ||
| lpm.h | ||
| Makefile.cc2538 | ||
| mtarch.h | ||
| reg.h | ||
| rtimer-arch.c | ||
| rtimer-arch.h | ||
| slip-arch.c | ||
| spi-arch.h | ||