66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* lsm6dsl_i2c.c - I2C routines for LSM6DSL driver
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*/
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/*
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* Copyright (c) 2018 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <drivers/i2c.h>
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#include <logging/log.h>
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#include "lsm6dsl.h"
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#ifdef DT_ST_LSM6DSL_BUS_I2C
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static u16_t lsm6dsl_i2c_slave_addr = DT_INST_0_ST_LSM6DSL_BASE_ADDRESS;
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LOG_MODULE_DECLARE(LSM6DSL, CONFIG_SENSOR_LOG_LEVEL);
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static int lsm6dsl_i2c_read_data(struct lsm6dsl_data *data, u8_t reg_addr,
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u8_t *value, u8_t len)
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{
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return i2c_burst_read(data->comm_master, lsm6dsl_i2c_slave_addr,
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reg_addr, value, len);
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}
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static int lsm6dsl_i2c_write_data(struct lsm6dsl_data *data, u8_t reg_addr,
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u8_t *value, u8_t len)
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{
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return i2c_burst_write(data->comm_master, lsm6dsl_i2c_slave_addr,
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reg_addr, value, len);
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}
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static int lsm6dsl_i2c_read_reg(struct lsm6dsl_data *data, u8_t reg_addr,
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u8_t *value)
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{
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return i2c_reg_read_byte(data->comm_master, lsm6dsl_i2c_slave_addr,
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reg_addr, value);
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}
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static int lsm6dsl_i2c_update_reg(struct lsm6dsl_data *data, u8_t reg_addr,
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u8_t mask, u8_t value)
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{
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return i2c_reg_update_byte(data->comm_master, lsm6dsl_i2c_slave_addr,
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reg_addr, mask, value);
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}
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static const struct lsm6dsl_transfer_function lsm6dsl_i2c_transfer_fn = {
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.read_data = lsm6dsl_i2c_read_data,
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.write_data = lsm6dsl_i2c_write_data,
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.read_reg = lsm6dsl_i2c_read_reg,
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.update_reg = lsm6dsl_i2c_update_reg,
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};
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int lsm6dsl_i2c_init(struct device *dev)
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{
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struct lsm6dsl_data *data = dev->driver_data;
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data->hw_tf = &lsm6dsl_i2c_transfer_fn;
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return 0;
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}
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#endif /* DT_ST_LSM6DSL_BUS_I2C */
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