blob: c072426b0d1c057a9a387c77b2042850006e01b0 [file] [log] [blame]
/* ST Microelectronics STTS751 temperature sensor
*
* Copyright (c) 2019 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*
* Datasheet:
* https://www.st.com/resource/en/datasheet/stts751.pdf
*/
#define DT_DRV_COMPAT st_stts751
#include <string.h>
#include <drivers/i2c.h>
#include <logging/log.h>
#include "stts751.h"
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
LOG_MODULE_DECLARE(STTS751, CONFIG_SENSOR_LOG_LEVEL);
static int stts751_i2c_read(struct device *dev, u8_t reg_addr,
u8_t *value, u16_t len)
{
struct stts751_data *data = dev->driver_data;
const struct stts751_config *cfg = dev->config_info;
return i2c_burst_read(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
static int stts751_i2c_write(struct device *dev, u8_t reg_addr,
u8_t *value, u16_t len)
{
struct stts751_data *data = dev->driver_data;
const struct stts751_config *cfg = dev->config_info;
return i2c_burst_write(data->bus, cfg->i2c_slv_addr,
reg_addr, value, len);
}
int stts751_i2c_init(struct device *dev)
{
struct stts751_data *data = dev->driver_data;
data->ctx_i2c.read_reg = (stmdev_read_ptr) stts751_i2c_read;
data->ctx_i2c.write_reg = (stmdev_write_ptr) stts751_i2c_write;
data->ctx = &data->ctx_i2c;
data->ctx->handle = dev;
return 0;
}
#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */