9f85a70a04
Docs now start at a high level, discussing sensors, attributes, channels, and reading data from them. Followed by more detailed usage guides in how to solve common problems sensor users may run into. Additionally renames the sensor_api sphinx tag to sensor Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
41 lines
980 B
C
41 lines
980 B
C
/*
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* Copyright (c) 2024 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/drivers/sensor.h>
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#define TEMP_CHANNEL {SENSOR_CHAN_AMBIENT_TEMP, 0}
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const struct device *const temp0 = DEVICE_DT_GET(DT_ALIAS(temp0));
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SENSOR_DT_READ_IODEV(temp_iodev, DT_ALIAS(temp0), {TEMP_CHANNEL});
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RTIO_DEFINE(temp_ctx, 1, 1);
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int main(void)
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{
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int rc;
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uint8_t buf[8];
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uint32_t temp_frame_iter = 0;
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struct sensor_q31_data temp_data = {0};
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struct sensor_decode_context temp_decoder = SENSOR_DECODE_CONTEXT_INIT(
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SENSOR_DECODER_DT_GET(DT_ALIAS(temp0)), buf, SENSOR_CHAN_AMBIENT_TEMP, 0);
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while (1) {
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/* Blocking read */
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rc = sensor_read(temp_iodev, &temp_ctx, buf, sizeof(buf));
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if (rc != 0) {
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printk("sensor_read() failed %d\n", rc);
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}
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/* Decode the data into a single q31 */
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sensor_decode(&temp_decoder, &temp_data, 1);
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printk("Temperature " PRIsensor_q31_data "\n",
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PRIsensor_q31_data_arg(temp_data, 0));
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k_msleep(1);
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}
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}
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