| /* ST Microelectronics IIS2DLPC 3-axis accelerometer driver |
| * |
| * Copyright (c) 2020 STMicroelectronics |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Datasheet: |
| * https://www.st.com/resource/en/datasheet/iis2dlpc.pdf |
| */ |
| |
| #define DT_DRV_COMPAT st_iis2dlpc |
| |
| #include <string.h> |
| #include <logging/log.h> |
| |
| #include "iis2dlpc.h" |
| |
| #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) |
| |
| LOG_MODULE_DECLARE(IIS2DLPC, CONFIG_SENSOR_LOG_LEVEL); |
| |
| static int iis2dlpc_i2c_read(struct iis2dlpc_data *data, uint8_t reg_addr, |
| uint8_t *value, uint16_t len) |
| { |
| const struct device *dev = data->dev; |
| const struct iis2dlpc_dev_config *cfg = dev->config; |
| |
| return i2c_burst_read(data->bus, cfg->bus_cfg.i2c_slv_addr, |
| reg_addr, value, len); |
| } |
| |
| static int iis2dlpc_i2c_write(struct iis2dlpc_data *data, uint8_t reg_addr, |
| uint8_t *value, uint16_t len) |
| { |
| const struct device *dev = data->dev; |
| const struct iis2dlpc_dev_config *cfg = dev->config; |
| |
| return i2c_burst_write(data->bus, cfg->bus_cfg.i2c_slv_addr, |
| reg_addr, value, len); |
| } |
| |
| int iis2dlpc_i2c_init(const struct device *dev) |
| { |
| struct iis2dlpc_data *data = dev->data; |
| |
| data->ctx_i2c.read_reg = (stmdev_read_ptr) iis2dlpc_i2c_read, |
| data->ctx_i2c.write_reg = (stmdev_write_ptr) iis2dlpc_i2c_write, |
| |
| data->ctx = &data->ctx_i2c; |
| data->ctx->handle = data; |
| |
| return 0; |
| } |
| #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */ |