| /* ST Microelectronics LPS22HH pressure and temperature sensor |
| * |
| * Copyright (c) 2019 STMicroelectronics |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Datasheet: |
| * https://www.st.com/resource/en/datasheet/lps22hh.pdf |
| */ |
| |
| #include <string.h> |
| #include <drivers/i2c.h> |
| #include <logging/log.h> |
| |
| #include "lps22hh.h" |
| |
| #ifdef DT_ST_LPS22HH_BUS_I2C |
| |
| LOG_MODULE_DECLARE(LPS22HH, CONFIG_SENSOR_LOG_LEVEL); |
| |
| static int lps22hh_i2c_read(struct device *dev, u8_t reg_addr, |
| u8_t *value, u16_t len) |
| { |
| struct lps22hh_data *data = dev->driver_data; |
| const struct lps22hh_config *cfg = dev->config->config_info; |
| |
| return i2c_burst_read(data->bus, cfg->i2c_slv_addr, |
| reg_addr, value, len); |
| } |
| |
| static int lps22hh_i2c_write(struct device *dev, u8_t reg_addr, |
| u8_t *value, u16_t len) |
| { |
| struct lps22hh_data *data = dev->driver_data; |
| const struct lps22hh_config *cfg = dev->config->config_info; |
| |
| return i2c_burst_write(data->bus, cfg->i2c_slv_addr, |
| reg_addr, value, len); |
| } |
| |
| int lps22hh_i2c_init(struct device *dev) |
| { |
| struct lps22hh_data *data = dev->driver_data; |
| |
| data->ctx_i2c.read_reg = (stmdev_read_ptr) lps22hh_i2c_read; |
| data->ctx_i2c.write_reg = (stmdev_write_ptr) lps22hh_i2c_write; |
| |
| data->ctx = &data->ctx_i2c; |
| data->ctx->handle = dev; |
| |
| return 0; |
| } |
| #endif /* DT_ST_LPS22HH_BUS_I2C */ |