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>
146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define DT_DRV_COMPAT hoperf_th02
|
|
|
|
#include <kernel.h>
|
|
#include <device.h>
|
|
#include <drivers/i2c.h>
|
|
#include <sys/byteorder.h>
|
|
#include <sys/util.h>
|
|
#include <drivers/sensor.h>
|
|
#include <sys/__assert.h>
|
|
#include <logging/log.h>
|
|
|
|
#include "th02.h"
|
|
|
|
LOG_MODULE_REGISTER(TH02, CONFIG_SENSOR_LOG_LEVEL);
|
|
|
|
static uint8_t read8(struct device *dev, uint8_t d)
|
|
{
|
|
uint8_t buf;
|
|
|
|
if (i2c_reg_read_byte(dev, TH02_I2C_DEV_ID, d, &buf) < 0) {
|
|
LOG_ERR("Error reading register.");
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
static int is_ready(struct device *dev)
|
|
{
|
|
|
|
uint8_t status;
|
|
|
|
if (i2c_reg_read_byte(dev, TH02_I2C_DEV_ID,
|
|
TH02_REG_STATUS, &status) < 0) {
|
|
LOG_ERR("error reading status register");
|
|
}
|
|
|
|
if (status & TH02_STATUS_RDY_MASK) {
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static uint16_t get_humi(struct device *dev)
|
|
{
|
|
uint16_t humidity = 0U;
|
|
|
|
if (i2c_reg_write_byte(dev, TH02_I2C_DEV_ID,
|
|
TH02_REG_CONFIG, TH02_CMD_MEASURE_HUMI) < 0) {
|
|
LOG_ERR("Error writing register");
|
|
return 0;
|
|
}
|
|
while (!is_ready(dev)) {
|
|
}
|
|
|
|
humidity = read8(dev, TH02_REG_DATA_H) << 8;
|
|
humidity |= read8(dev, TH02_REG_DATA_L);
|
|
humidity >>= 4;
|
|
|
|
return humidity;
|
|
}
|
|
|
|
uint16_t get_temp(struct device *dev)
|
|
{
|
|
uint16_t temperature = 0U;
|
|
|
|
if (i2c_reg_write_byte(dev, TH02_I2C_DEV_ID,
|
|
TH02_REG_CONFIG, TH02_CMD_MEASURE_TEMP) < 0) {
|
|
LOG_ERR("Error writing register");
|
|
return 0;
|
|
}
|
|
while (!is_ready(dev)) {
|
|
}
|
|
|
|
temperature = read8(dev, TH02_REG_DATA_H) << 8;
|
|
temperature |= read8(dev, TH02_REG_DATA_L);
|
|
temperature >>= 2;
|
|
|
|
return temperature;
|
|
}
|
|
|
|
static int th02_sample_fetch(struct device *dev, enum sensor_channel chan)
|
|
{
|
|
struct th02_data *drv_data = dev->data;
|
|
|
|
__ASSERT_NO_MSG(chan == SENSOR_CHAN_ALL || chan == SENSOR_CHAN_AMBIENT_TEMP);
|
|
|
|
drv_data->t_sample = get_temp(drv_data->i2c);
|
|
LOG_INF("temp: %u", drv_data->t_sample);
|
|
drv_data->rh_sample = get_humi(drv_data->i2c);
|
|
LOG_INF("rh: %u", drv_data->rh_sample);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int th02_channel_get(struct device *dev, enum sensor_channel chan,
|
|
struct sensor_value *val)
|
|
{
|
|
struct th02_data *drv_data = dev->data;
|
|
|
|
__ASSERT_NO_MSG(chan == SENSOR_CHAN_AMBIENT_TEMP ||
|
|
chan == SENSOR_CHAN_HUMIDITY);
|
|
|
|
if (chan == SENSOR_CHAN_AMBIENT_TEMP) {
|
|
/* val = sample / 32 - 50 */
|
|
val->val1 = drv_data->t_sample / 32U - 50;
|
|
val->val2 = (drv_data->t_sample % 32) * (1000000 / 32);
|
|
} else {
|
|
/* val = sample / 16 -24 */
|
|
val->val1 = drv_data->rh_sample / 16U - 24;
|
|
val->val2 = (drv_data->rh_sample % 16) * (1000000 / 16);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sensor_driver_api th02_driver_api = {
|
|
.sample_fetch = th02_sample_fetch,
|
|
.channel_get = th02_channel_get,
|
|
};
|
|
|
|
static int th02_init(struct device *dev)
|
|
{
|
|
struct th02_data *drv_data = dev->data;
|
|
|
|
drv_data->i2c = device_get_binding(DT_INST_BUS_LABEL(0));
|
|
if (drv_data->i2c == NULL) {
|
|
LOG_ERR("Failed to get pointer to %s device!",
|
|
DT_INST_BUS_LABEL(0));
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct th02_data th02_driver;
|
|
|
|
DEVICE_AND_API_INIT(th02, DT_INST_LABEL(0), th02_init, &th02_driver,
|
|
NULL, POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY,
|
|
&th02_driver_api);
|