zephyr/drivers/sensor/ism330dhcx/ism330dhcx_i2c.c

54 lines
1.3 KiB
C

/* ST Microelectronics ISM330DHCX 6-axis IMU sensor driver
*
* Copyright (c) 2020 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*
* Datasheet:
* https://www.st.com/resource/en/datasheet/ism330dhcx.pdf
*/
#define DT_DRV_COMPAT st_ism330dhcx
#include <string.h>
#include <drivers/i2c.h>
#include <logging/log.h>
#include "ism330dhcx.h"
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
LOG_MODULE_DECLARE(ISM330DHCX, CONFIG_SENSOR_LOG_LEVEL);
static int ism330dhcx_i2c_read(struct ism330dhcx_data *data, uint8_t reg_addr,
uint8_t *value, uint8_t len)
{
const struct ism330dhcx_config *cfg = data->dev->config;
return i2c_burst_read(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
static int ism330dhcx_i2c_write(struct ism330dhcx_data *data, uint8_t reg_addr,
uint8_t *value, uint8_t len)
{
const struct ism330dhcx_config *cfg = data->dev->config;
return i2c_burst_write(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
int ism330dhcx_i2c_init(const struct device *dev)
{
struct ism330dhcx_data *data = dev->data;
data->ctx_i2c.read_reg = (stmdev_read_ptr) ism330dhcx_i2c_read,
data->ctx_i2c.write_reg = (stmdev_write_ptr) ism330dhcx_i2c_write,
data->ctx = &data->ctx_i2c;
data->ctx->handle = data;
return 0;
}
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */