38 lines
793 B
C
38 lines
793 B
C
|
#ifndef __SPI_H__
|
||
|
|
#define __SPI_H__
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <linux/spi/spidev.h>
|
||
|
|
|
||
|
|
#include "driver.h"
|
||
|
|
|
||
|
|
int spi_open(const struct driver *drv);
|
||
|
|
int spi_close(const struct driver *drv);
|
||
|
|
|
||
|
|
int spi_read(const struct driver *drv, char *buffer, unsigned int len);
|
||
|
|
int spi_write(const struct driver *drv, const char *buffer, unsigned int len);
|
||
|
|
int spi_ioctl(const struct driver *drv, unsigned int cmd, unsigned int argc, va_list args);
|
||
|
|
|
||
|
|
struct spi {
|
||
|
|
const char * spi_device;
|
||
|
|
uint8_t mode;
|
||
|
|
uint8_t bits_per_word;
|
||
|
|
uint32_t speed;
|
||
|
|
|
||
|
|
int spi_file;
|
||
|
|
bool is_open;
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct driver_fp spi_fp = {
|
||
|
|
.open = spi_open,
|
||
|
|
.close = spi_close,
|
||
|
|
.read = spi_read,
|
||
|
|
.write = spi_write,
|
||
|
|
.ioctl = spi_ioctl,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|