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https://github.com/zephyrproject-rtos/zephyr
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98d9b01322
Via coccinelle: @r_device_driver_api_and_data_1@ struct device *D; @@ ( D-> - driver_api + api | D-> - driver_data + data ) @r_device_driver_api_and_data_2@ expression E; @@ ( net_if_get_device(E)-> - driver_api + api | net_if_get_device(E)-> - driver_data + data ) And grep/sed rules for macros: git grep -rlz 'dev)->driver_data' | xargs -0 sed -i 's/dev)->driver_data/dev)->data/g' git grep -rlz 'dev->driver_data' | xargs -0 sed -i 's/dev->driver_data/dev->data/g' git grep -rlz 'device->driver_data' | xargs -0 sed -i 's/device->driver_data/device->data/g' Fixes #27397 Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
/*
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* Copyright (c) 2019 Actinius
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT silabs_si7060
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#include <device.h>
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#include <drivers/i2c.h>
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#include <drivers/sensor.h>
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#include <logging/log.h>
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#include "si7060.h"
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#define SIGN_BIT_MASK 0x7F
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LOG_MODULE_REGISTER(si7060, CONFIG_SENSOR_LOG_LEVEL);
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struct si7060_data {
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struct device *i2c_dev;
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uint16_t temperature;
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};
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static int si7060_reg_read(struct si7060_data *drv_data, uint8_t reg,
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uint8_t *val)
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{
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if (i2c_reg_read_byte(drv_data->i2c_dev,
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DT_INST_REG_ADDR(0), reg, val)) {
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return -EIO;
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}
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return 0;
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}
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static int si7060_reg_write(struct si7060_data *drv_data, uint8_t reg,
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uint8_t val)
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{
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return i2c_reg_write_byte(drv_data->i2c_dev,
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DT_INST_REG_ADDR(0), reg, val);
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}
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static int si7060_sample_fetch(struct device *dev, enum sensor_channel chan)
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{
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struct si7060_data *drv_data = dev->data;
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if (si7060_reg_write(drv_data, SI7060_REG_CONFIG,
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SI7060_ONE_BURST_VALUE) != 0) {
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return -EIO;
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}
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int retval;
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uint8_t dspsigm;
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uint8_t dspsigl;
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retval = si7060_reg_read(drv_data, SI7060_REG_TEMP_HIGH,
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&dspsigm);
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retval += si7060_reg_read(drv_data, SI7060_REG_TEMP_LOW,
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&dspsigl);
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if (retval == 0) {
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drv_data->temperature = (256 * (dspsigm & SIGN_BIT_MASK))
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+ dspsigl;
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} else {
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LOG_ERR("Read register err");
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}
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LOG_DBG("Sample_fetch retval: %d", retval);
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return retval;
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}
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static int si7060_channel_get(struct device *dev, enum sensor_channel chan,
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struct sensor_value *val)
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{
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struct si7060_data *drv_data = dev->data;
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int32_t uval;
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if (chan == SENSOR_CHAN_AMBIENT_TEMP) {
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uval = ((55 * 160) + (drv_data->temperature - 16384)) >> 4;
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val->val1 = uval / 10;
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val->val2 = (uval % 10) * 100000;
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LOG_DBG("Temperature = val1:%d, val2:%d", val->val1, val->val2);
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return 0;
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} else {
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return -ENOTSUP;
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}
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}
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static const struct sensor_driver_api si7060_api = {
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.sample_fetch = &si7060_sample_fetch,
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.channel_get = &si7060_channel_get,
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};
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static int si7060_chip_init(struct device *dev)
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{
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struct si7060_data *drv_data = dev->data;
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uint8_t value;
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drv_data->i2c_dev = device_get_binding(
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DT_INST_BUS_LABEL(0));
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if (!drv_data->i2c_dev) {
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LOG_ERR("Failed to get pointer to %s device!",
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DT_INST_BUS_LABEL(0));
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return -EINVAL;
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}
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if (si7060_reg_read(drv_data, SI7060_REG_CHIP_INFO,
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&value) != 0) {
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return -EIO;
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}
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if ((value >> 4) != SI7060_CHIP_ID_VALUE) {
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LOG_ERR("Bad chip id 0x%x", value);
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return -ENOTSUP;
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}
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return 0;
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}
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static int si7060_init(struct device *dev)
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{
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if (si7060_chip_init(dev) < 0) {
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return -EINVAL;
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}
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return 0;
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}
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static struct si7060_data si_data;
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DEVICE_AND_API_INIT(si7060, DT_INST_LABEL(0), si7060_init,
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&si_data, NULL, POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY, &si7060_api);
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