| /* ST Microelectronics LIS2DW12 3-axis accelerometer driver |
| * |
| * Copyright (c) 2019 STMicroelectronics |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Datasheet: |
| * https://www.st.com/resource/en/datasheet/lis2dw12.pdf |
| */ |
| |
| #define DT_DRV_COMPAT st_lis2dw12 |
| |
| #include <string.h> |
| #include <drivers/i2c.h> |
| #include <logging/log.h> |
| |
| #include "lis2dw12.h" |
| |
| #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) |
| |
| static u16_t lis2dw12_i2c_slave_addr = DT_INST_REG_ADDR(0); |
| |
| LOG_MODULE_DECLARE(LIS2DW12, CONFIG_SENSOR_LOG_LEVEL); |
| |
| static int lis2dw12_i2c_read(struct lis2dw12_data *data, u8_t reg_addr, |
| u8_t *value, u16_t len) |
| { |
| return i2c_burst_read(data->bus, lis2dw12_i2c_slave_addr, |
| reg_addr, value, len); |
| } |
| |
| static int lis2dw12_i2c_write(struct lis2dw12_data *data, u8_t reg_addr, |
| u8_t *value, u16_t len) |
| { |
| return i2c_burst_write(data->bus, lis2dw12_i2c_slave_addr, |
| reg_addr, value, len); |
| } |
| |
| stmdev_ctx_t lis2dw12_i2c_ctx = { |
| .read_reg = (stmdev_read_ptr) lis2dw12_i2c_read, |
| .write_reg = (stmdev_write_ptr) lis2dw12_i2c_write, |
| }; |
| |
| int lis2dw12_i2c_init(struct device *dev) |
| { |
| struct lis2dw12_data *data = dev->driver_data; |
| |
| data->ctx = &lis2dw12_i2c_ctx; |
| data->ctx->handle = data; |
| |
| return 0; |
| } |
| #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */ |