59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* ST Microelectronics ISM330DHCX 6-axis IMU sensor driver
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*
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* Copyright (c) 2020 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Datasheet:
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* https://www.st.com/resource/en/datasheet/ism330dhcx.pdf
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*/
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#define DT_DRV_COMPAT st_ism330dhcx
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#include <string.h>
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#include <zephyr/drivers/i2c.h>
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#include <zephyr/logging/log.h>
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#include "ism330dhcx.h"
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
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LOG_MODULE_DECLARE(ISM330DHCX, CONFIG_SENSOR_LOG_LEVEL);
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static int ism330dhcx_i2c_read(const struct device *dev, uint8_t reg_addr, uint8_t *value,
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uint8_t len)
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{
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const struct ism330dhcx_config *cfg = dev->config;
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return i2c_burst_read_dt(&cfg->i2c, reg_addr, value, len);
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}
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static int ism330dhcx_i2c_write(const struct device *dev, uint8_t reg_addr, uint8_t *value,
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uint8_t len)
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{
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const struct ism330dhcx_config *cfg = dev->config;
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return i2c_burst_write_dt(&cfg->i2c, reg_addr, value, len);
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}
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int ism330dhcx_i2c_init(const struct device *dev)
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{
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struct ism330dhcx_data *data = dev->data;
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const struct ism330dhcx_config *cfg = dev->config;
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if (!device_is_ready(cfg->i2c.bus)) {
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LOG_ERR("I2C bus device is not ready");
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return -ENODEV;
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};
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data->ctx_i2c.read_reg = (stmdev_read_ptr) ism330dhcx_i2c_read;
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data->ctx_i2c.write_reg = (stmdev_write_ptr) ism330dhcx_i2c_write;
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data->ctx_i2c.mdelay = (stmdev_mdelay_ptr) stmemsc_mdelay;
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data->ctx = &data->ctx_i2c;
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data->ctx->handle = (void *)dev;
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return 0;
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}
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#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */
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