mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-18 12:05:11 +00:00
30 lines
725 B
C
30 lines
725 B
C
|
#ifndef __CORE_SPI_H__KBMMOKI6CG__
|
||
|
|
#define __CORE_SPI_H__KBMMOKI6CG__
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
void
|
||
|
|
spi_init();
|
||
|
|
|
||
|
|
#define SPI_POLARITY_INACTIVE_HIGH 1
|
||
|
|
#define SPI_POLARITY_INACTIVE_LOW 1
|
||
|
|
|
||
|
|
#define SPI_PHASE_CHANGE_CAPTURE 0
|
||
|
|
#define SPI_PHASE_CAPTURE_CHANGE 1
|
||
|
|
|
||
|
|
struct spi_block {
|
||
|
|
const uint8_t *send; /* NULL for receive only */
|
||
|
|
uint8_t *receive; /* NULL for send only */
|
||
|
|
uint16_t len; /* transfer length, non-zero */
|
||
|
|
};
|
||
|
|
|
||
|
|
void
|
||
|
|
spi_transfer(unsigned int chip, const struct spi_block *block, unsigned int blocks);
|
||
|
|
|
||
|
|
void
|
||
|
|
spi_init_chip_select(unsigned int chip, unsigned int speed,
|
||
|
|
unsigned int dlybct,
|
||
|
|
unsigned int dlybs, unsigned int phase,
|
||
|
|
unsigned int polarity);
|
||
|
|
|
||
|
|
#endif /* __CORE_SPI_H__KBMMOKI6CG__ */
|