zephyr/drivers/sensor/lsm6dso/lsm6dso_i2c.c

56 lines
1.3 KiB
C

/* ST Microelectronics LSM6DSO 6-axis IMU sensor driver
*
* Copyright (c) 2019 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*
* Datasheet:
* https://www.st.com/resource/en/datasheet/lsm6dso.pdf
*/
#define DT_DRV_COMPAT st_lsm6dso
#include <string.h>
#include <drivers/i2c.h>
#include <logging/log.h>
#include "lsm6dso.h"
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
LOG_MODULE_DECLARE(LSM6DSO, CONFIG_SENSOR_LOG_LEVEL);
static int lsm6dso_i2c_read(struct device *dev, uint8_t reg_addr,
uint8_t *value, uint8_t len)
{
struct lsm6dso_data *data = dev->driver_data;
const struct lsm6dso_config *cfg = dev->config_info;
return i2c_burst_read(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
static int lsm6dso_i2c_write(struct device *dev, uint8_t reg_addr,
uint8_t *value, uint8_t len)
{
struct lsm6dso_data *data = dev->driver_data;
const struct lsm6dso_config *cfg = dev->config_info;
return i2c_burst_write(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
int lsm6dso_i2c_init(struct device *dev)
{
struct lsm6dso_data *data = dev->driver_data;
data->ctx_i2c.read_reg = (stmdev_read_ptr) lsm6dso_i2c_read,
data->ctx_i2c.write_reg = (stmdev_write_ptr) lsm6dso_i2c_write,
data->ctx = &data->ctx_i2c;
data->ctx->handle = dev;
return 0;
}
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */