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[Telink] Add Mars board overlay and real measurment of sht3xd sensor
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44 changes: 44 additions & 0 deletions
44
examples/air-quality-sensor-app/telink/include/SensorManager.h
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| /* | ||
| * | ||
| * Copyright (c) 2023 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #pragma once | ||
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| #include <stdbool.h> | ||
| #include <stdint.h> | ||
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| #include "AppEventCommon.h" | ||
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| #include <app-common/zap-generated/attributes/Accessors.h> | ||
| #include <lib/core/CHIPError.h> | ||
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| class SensorManager | ||
| { | ||
| public: | ||
| CHIP_ERROR Init(); | ||
| CHIP_ERROR GetTempAndHumMeasurValue(int16_t *pTempMeasured, uint16_t *pHumMeasured); | ||
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| private: | ||
| friend SensorManager & SensorMgr(); | ||
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| static SensorManager sSensorManager; | ||
| }; | ||
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| inline SensorManager & SensorMgr() | ||
| { | ||
| return SensorManager::sSensorManager; | ||
| } |
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120 changes: 120 additions & 0 deletions
120
examples/air-quality-sensor-app/telink/src/SensorManager.cpp
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| /* | ||
| * | ||
| * Copyright (c) 2023 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #include "SensorManager.h" | ||
| #include "AppConfig.h" | ||
| #include "AppTask.h" | ||
| #include <zephyr/drivers/sensor.h> | ||
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| LOG_MODULE_DECLARE(app, CONFIG_CHIP_APP_LOG_LEVEL); | ||
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| using namespace chip; | ||
| using namespace ::chip::DeviceLayer; | ||
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| constexpr float kMinTempDelta = 0.5; // 0.5 degree Celsius | ||
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| #ifdef CONFIG_CHIP_USE_MARS_SENSOR | ||
| const struct device *const sht3xd_dev = DEVICE_DT_GET_ONE(sensirion_sht3xd); | ||
| #elif | ||
| constexpr float kSimulatedHum = 55.5; // percents | ||
| constexpr uint16_t kSimulatedReadingFrequency = 5; // change Simulated number | ||
| static float mSimulatedTemp[] = { 23.01, 24.02, 28.03, 25.50, 22.05, 21.25, 21.07, 26.08, 18.09, 27.11 }; | ||
| #endif // CONFIG_CHIP_USE_MARS_SENSOR | ||
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| SensorManager SensorManager::sSensorManager; | ||
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| CHIP_ERROR SensorManager::Init() | ||
| { | ||
| #ifdef CONFIG_CHIP_USE_MARS_SENSOR | ||
| if (!device_is_ready(sht3xd_dev)) | ||
| { | ||
| LOG_ERR("Device %s is not ready", sht3xd_dev->name); | ||
| return CHIP_ERROR_INCORRECT_STATE; | ||
| } | ||
| #endif // CONFIG_CHIP_USE_MARS_SENSOR | ||
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| return CHIP_NO_ERROR; | ||
| } | ||
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| CHIP_ERROR SensorManager::GetTempAndHumMeasurValue(int16_t *pTempMeasured, uint16_t *pHumMeasured) | ||
| { | ||
| static float lastTemp = 0.0; | ||
| float temp = 0.0; | ||
| float hum = 0.0; | ||
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| #ifdef CONFIG_CHIP_USE_MARS_SENSOR | ||
| struct sensor_value sensorTemp = {0}; | ||
| struct sensor_value sensorHum = {0}; | ||
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| int status = sensor_sample_fetch(sht3xd_dev); | ||
| if (!status) | ||
| { | ||
| status = sensor_channel_get(sht3xd_dev, SENSOR_CHAN_AMBIENT_TEMP, &sensorTemp); | ||
| } | ||
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| if (!status) | ||
| { | ||
| status = sensor_channel_get(sht3xd_dev, SENSOR_CHAN_HUMIDITY, &sensorHum); | ||
| } | ||
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| if (status) | ||
| { | ||
| LOG_ERR("Device %s is not ready for temperature and humidity measurement (status: %d)", sht3xd_dev->name, status); | ||
| return System::MapErrorZephyr(status); | ||
| } | ||
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| temp = (float)sensor_value_to_double(&sensorTemp); | ||
| hum = (float)sensor_value_to_double(&sensorHum); | ||
| #else | ||
| /* Temperature simulation is used */ | ||
| static uint8_t nbOfRepetition = 0; | ||
| static uint8_t simulatedIndex = 0; | ||
| if (simulatedIndex >= ArraySize(mSimulatedTemp)) | ||
| { | ||
| simulatedIndex = 0; | ||
| } | ||
| temp = mSimulatedTemp[simulatedIndex]; | ||
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| nbOfRepetition++; | ||
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| if (nbOfRepetition >= kSimulatedReadingFrequency) | ||
| { | ||
| simulatedIndex++; | ||
| nbOfRepetition = 0; | ||
| } | ||
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| /* Humidity simulation is used */ | ||
| hum = kSimulatedHum; | ||
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| #endif // CONFIG_CHIP_USE_MARS_SENSOR | ||
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| if ((temp >= (lastTemp + kMinTempDelta)) || temp <= (lastTemp - kMinTempDelta)) | ||
| { | ||
| lastTemp = temp; | ||
| } | ||
| else | ||
| { | ||
| temp = lastTemp; | ||
| } | ||
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| // Per spec Application Clusters 2.3.4.1. : MeasuredValue = 100 x temperature [°C] | ||
| *pTempMeasured = (int16_t) 100 * temp; | ||
| *pHumMeasured = (uint16_t) hum; | ||
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| return CHIP_NO_ERROR; | ||
| } |
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| @@ -0,0 +1,4 @@ | ||
| CONFIG_CHIP_USE_MARS_SENSOR=y | ||
| CONFIG_CHIP_BUTTON_MANAGER_IRQ_MODE=y | ||
| CONFIG_I2C=y | ||
| CONFIG_SENSOR=y |
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