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52 lines
1.3 KiB
52 lines
1.3 KiB
/* ST Microelectronics IIS2MDC 3-axis magnetometer sensor |
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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/iis2mdc.pdf |
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*/ |
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#define DT_DRV_COMPAT st_iis2mdc |
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#include <string.h> |
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#include <logging/log.h> |
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#include "iis2mdc.h" |
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) |
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LOG_MODULE_DECLARE(IIS2MDC, CONFIG_SENSOR_LOG_LEVEL); |
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static int iis2mdc_i2c_read(const struct device *dev, uint8_t reg_addr, |
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uint8_t *value, uint16_t len) |
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{ |
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const struct iis2mdc_dev_config *cfg = dev->config; |
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return i2c_burst_read(cfg->bus, cfg->bus_cfg.i2c_slv_addr, |
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reg_addr, value, len); |
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} |
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static int iis2mdc_i2c_write(const struct device *dev, uint8_t reg_addr, |
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uint8_t *value, uint16_t len) |
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{ |
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const struct iis2mdc_dev_config *cfg = dev->config; |
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return i2c_burst_write(cfg->bus, cfg->bus_cfg.i2c_slv_addr, |
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reg_addr, value, len); |
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} |
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int iis2mdc_i2c_init(const struct device *dev) |
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{ |
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struct iis2mdc_data *data = dev->data; |
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data->ctx_i2c.read_reg = (stmdev_read_ptr) iis2mdc_i2c_read; |
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data->ctx_i2c.write_reg = (stmdev_write_ptr) iis2mdc_i2c_write; |
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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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