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c0f7a1ac6f
The ISM330DHCX is a ultra-low power IMU with a 3D digital accelerometer and 3D digital gyroscope tailored for Industry 4.0 applications, which can be interfaced through either I2C or SPI bus. https://www.st.com/resource/en/datasheet/ism330dhcx.pdf This driver is based on stmemsc i/f v1.02. Signed-off-by: Armando Visconti <armando.visconti@st.com>
54 lines
1.3 KiB
C
54 lines
1.3 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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#include <string.h>
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#include <drivers/i2c.h>
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#include <logging/log.h>
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#include "ism330dhcx.h"
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#ifdef DT_ST_ISM330DHCX_BUS_I2C
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LOG_MODULE_DECLARE(ISM330DHCX, CONFIG_SENSOR_LOG_LEVEL);
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static int ism330dhcx_i2c_read(struct device *dev, u8_t reg_addr,
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u8_t *value, u8_t len)
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{
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struct ism330dhcx_data *data = dev->driver_data;
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const struct ism330dhcx_config *cfg = dev->config->config_info;
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return i2c_burst_read(data->bus, cfg->i2c_slv_addr,
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reg_addr, value, len);
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}
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static int ism330dhcx_i2c_write(struct device *dev, u8_t reg_addr,
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u8_t *value, u8_t len)
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{
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struct ism330dhcx_data *data = dev->driver_data;
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const struct ism330dhcx_config *cfg = dev->config->config_info;
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return i2c_burst_write(data->bus, cfg->i2c_slv_addr,
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reg_addr, value, len);
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}
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int ism330dhcx_i2c_init(struct device *dev)
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{
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struct ism330dhcx_data *data = dev->driver_data;
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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 = &data->ctx_i2c;
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data->ctx->handle = dev;
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return 0;
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}
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#endif /* DT_ST_ISM330DHCX_BUS_I2C */
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