diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..8f390c3 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use_flake \ No newline at end of file diff --git a/.gitignore b/.gitignore index 50b7945..91555ba 100644 --- a/.gitignore +++ b/.gitignore @@ -444,6 +444,4 @@ obj/ # End of https://www.toptal.com/developers/gitignore/api/platformio,c,cmake,c++,intellij,android,androidstudio,clion+all,java - -###only in firmware_dev -ClimateGoApp/ +.direnv \ No newline at end of file diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..c9594a6 --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,3 @@ +{ + "cmake.sourceDirectory": "/home/clara/repositorys/climate-go/firmware" +} \ No newline at end of file diff --git a/README.md b/README.md index f1c2bd9..d636e83 100644 --- a/README.md +++ b/README.md @@ -1,20 +1,20 @@ -# Climate GO -Climate GO is a fully open source open hardware Sensor pack, to track and analyze personal air quality data. It's goal is to provide a way to monitor ones own air quality and motivate people to avoid polluted places and protect the environment. +# Climate GO +Climate GO is a fully open source open hardware Sensor pack, to track and analyze personal air quality data. Its goal is to provide a way to monitor ones own air quality and motivate people to avoid polluted places and protect the environment. ## Paradigms This project is intended to be open source, open hardware and open data oriented. It is of central importance to make this available to anyone who whishes to build a climate go device and to ensure no personal data is collected and stored. This is especially important because the climate data collected will be correlated with GPS information and could thus be used to construct a movement profile if not handled with uttermost care. -## Technical information +## Technical information ### Stack The sensor pack itself is based around the ESP32 microprocessor and contains several sensors: - BMP280 air pressure and temperature monitoring sensor -- [name] particulate matter sensor +- Nova SDS011 particulate matter sensor - [name] CO2 sensor -- [name] NO2 sensor +- MISC 2714 NO2 sensor A custom PCB/housing is yet to be designed and manufactured. Data collection is made possible by an Android App, that will connect to the sensor pack via Bluetooth low energy. It is imperative to design the sensor pack to be lightweight and consume as little as possible energy to ensure comfort in transporting the sensor pack (it is intended to be clipped to e.g. a backpack) and long battery life. ## Outlook It might be interesting to add more types of sensors, to collect more information and provide a broader picture of personal air quality. However this will increase cost and power consumption of the sensor and must thus be considered carefully. -It would also be interesting to "gamify" the idea, by providing users the opportunity to collect awards and complete quests related to personal air quality, increasing the motivation to protect the environment and b healthy even more. \ No newline at end of file +It would also be interesting to "gamify" the idea, by providing users the opportunity to collect awards and complete quests related to personal air quality, increasing the motivation to protect the environment and b healthy even more. diff --git a/firmware/.gitignore b/firmware/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/firmware/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/firmware/.vscode/extensions.json b/firmware/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/firmware/.vscode/extensions.json @@ -0,0 +1,10 @@ +{ + // See http://go.microsoft.com/fwlink/?LinkId=827846 + // for the documentation about the extensions.json format + "recommendations": [ + "platformio.platformio-ide" + ], + "unwantedRecommendations": [ + "ms-vscode.cpptools-extension-pack" + ] +} diff --git a/firmware/CMakeListsPrivate.txt b/firmware/CMakeListsPrivate.txt deleted file mode 100644 index e39b280..0000000 --- a/firmware/CMakeListsPrivate.txt +++ /dev/null @@ -1,152 +0,0 @@ -# !!! WARNING !!! AUTO-GENERATED FILE, PLEASE DO NOT MODIFY IT AND USE -# https://docs.platformio.org/page/projectconf/section_env_build.html#build-flags -# -# If you need to override existing CMake configuration or add extra, -# please create `CMakeListsUser.txt` in the root of project. -# The `CMakeListsUser.txt` will not be overwritten by PlatformIO. - - - -set(CMAKE_CONFIGURATION_TYPES "esp32dev" CACHE STRING "Build Types reflect PlatformIO Environments" FORCE) - -# Convert "Home Directory" that may contain unescaped backslashes on Windows - - -SET(CMAKE_C_COMPILER "$ENV{HOME}/.platformio/packages/toolchain-xtensa32/bin/xtensa-esp32-elf-gcc") -SET(CMAKE_CXX_COMPILER "$ENV{HOME}/.platformio/packages/toolchain-xtensa32/bin/xtensa-esp32-elf-g++") -SET(CMAKE_CXX_FLAGS "-fno-rtti -fno-exceptions -std=gnu++11 -Os -g3 -Wall -nostdlib -Wpointer-arith -Wno-error=unused-but-set-variable -Wno-error=unused-variable -mlongcalls -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -Wno-error=deprecated-declarations -Wno-error=unused-function -Wno-unused-parameter -Wno-sign-compare -fstack-protector -fexceptions -Werror=reorder") -SET(CMAKE_C_FLAGS "-std=gnu99 -Wno-old-style-declaration -Os -g3 -Wall -nostdlib -Wpointer-arith -Wno-error=unused-but-set-variable -Wno-error=unused-variable -mlongcalls -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -Wno-error=deprecated-declarations -Wno-error=unused-function -Wno-unused-parameter -Wno-sign-compare -fstack-protector -fexceptions -Werror=reorder") - 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- //allow advertiser function to be called - this->advertiserLock = false; } /** @@ -94,22 +89,4 @@ void BluetoothServer::setPressure(float pressure) { ->setValue(pressure); } -/** - * This method will start advertising via Bluetooth and blink the LED - */ -void BluetoothServer::startAdvertising() { - if (!this->advertiserLock) { - this->advertiserLock = true; - this->bleServer->getAdvertising()->start(); - Serial.println("Starting Bluetooth advertising..."); - for (int i = 0; i < BLINK_TIMES; ++i) { - digitalWrite(INTERNAL_LED_PIN, HIGH); - delay(BLINK_TIME_DELAY_MS); - digitalWrite(INTERNAL_LED_PIN, LOW); - delay(BLINK_TIME_DELAY_MS); - } - this->advertiserLock = false; - } -} - diff --git a/firmware/src/ble/BluetoothServer.h b/firmware/src/ble/BluetoothServer.h index ecbe38f..4afd1ec 100644 --- a/firmware/src/ble/BluetoothServer.h +++ b/firmware/src/ble/BluetoothServer.h @@ -13,11 +13,9 @@ class BluetoothServer { private: BLEService *sensorService; BLEServer *bleServer; - bool advertiserLock; public: BluetoothServer(); - void startAdvertising(); void startServer(); void setTemperature(float temperature); void setPressure(float pressure); diff --git a/firmware/src/main.cpp b/firmware/src/main.cpp index 51b119b..38b5852 100644 --- a/firmware/src/main.cpp +++ b/firmware/src/main.cpp @@ -1,81 +1,28 @@ #include #include #include -#include -#define SLEEP_TIME 1 +#define SLEEP_TIME 2 #define BAUD_RATE 112500 #define INTERNAL_LED_PIN 2 -#define INTERRUPT_MAKE_DISCOVERABLE_PIN 15 Sensor *bmpSensor; -Sensor *pmSensor; BluetoothServer *server; -bool makeDiscoverable = false; - -//interrupt handler for sensor being pressed -void IRAM_ATTR startBleServerAdvertising() { - makeDiscoverable = true; -} - -//helper function to create task for PM measurement -void startPmAsyncSampling(void * param){ - ((PmSensor *) pmSensor)->startAsyncSampling(); -} void setup() { - //initialize a Serial Connection Serial.begin(BAUD_RATE); - //setup the internal LED pinMode(INTERNAL_LED_PIN, OUTPUT); - //create sensor objects bmpSensor = new BmpSensor(); - pmSensor = new PmSensor(); - //setup & start Bluetooth server server = new BluetoothServer(); server->startServer(); - - //set up Interrupt to enable make discoverable button - pinMode(INTERRUPT_MAKE_DISCOVERABLE_PIN, INPUT_PULLDOWN); - attachInterrupt(digitalPinToInterrupt(INTERRUPT_MAKE_DISCOVERABLE_PIN), - startBleServerAdvertising, - RISING); - - //start an async task for measuring PM so the sensor won't block the whole system - xTaskCreate( - startPmAsyncSampling, - "Async PM sampling", - 1024, - nullptr, - 1, - nullptr - ); } void loop() { - //check if the button has been pressed and handle appropriately - if (makeDiscoverable) { - server->startAdvertising(); - makeDiscoverable = false; - } - - //obtain measurement from BMP280 Sensor sensor_data_t sample = ((BmpSensor *) bmpSensor)->sampleLowEnergy(); server->setPressure(sample.pressure); server->setTemperature(sample.temperature); - //Obtain measurement from PM Sensor - sensor_data_t pmSample = pmSensor->sample(); - - //Print measured data - Serial.printf("Pressure: %f hPa | Temperature: %f °C | PM10: %f ppm | PM2.5: %f ppm\n", - sample.pressure, - sample.temperature, - pmSample.pm10, - pmSample.pm25); - - //wait for one measurement cycle delay(SLEEP_TIME * 1000); } \ No newline at end of file diff --git a/firmware/src/sensors/BmpSensor.cpp b/firmware/src/sensors/BmpSensor.cpp index b4a5724..7f68a25 100644 --- a/firmware/src/sensors/BmpSensor.cpp +++ b/firmware/src/sensors/BmpSensor.cpp @@ -69,9 +69,7 @@ sensor_data_t BmpSensor::sample() { return sensor_data_t { temp_event.temperature, - pressure_event.pressure, - 0.0, - 0.0 + pressure_event.pressure }; } diff --git a/firmware/src/sensors/BmpSensor.h b/firmware/src/sensors/BmpSensor.h index a7d9ffa..f5949fc 100644 --- a/firmware/src/sensors/BmpSensor.h +++ b/firmware/src/sensors/BmpSensor.h @@ -14,7 +14,6 @@ public: BmpSensor(); sensor_data_t sample() override; - sensor_data_t sampleLowEnergy(); void enableStandbyMode() override; diff --git a/firmware/src/sensors/PmSensor.cpp b/firmware/src/sensors/PmSensor.cpp deleted file mode 100644 index b43a7bd..0000000 --- a/firmware/src/sensors/PmSensor.cpp +++ /dev/null @@ -1,101 +0,0 @@ -#include "PmSensor.h" -#include -#include - -#define SDS_PIN_RX 18 -#define SDS_PIN_TX 19 -#define SENSOR_BAUD_RATE 9600 -#define SLEEP_TIME 90 -#define MEASURE_TIME 30 - -#ifdef ESP32 -HardwareSerial &serialSDS(Serial2); -Sds011Async sds011(serialSDS); -#else -SoftwareSerial serialSDS; -Sds011Async< SoftwareSerial > sds011(serialSDS); -#endif - - -PmSensor::PmSensor() { - this->PmSensor::sensor_setup(); -} - -[[noreturn]] void PmSensor::startAsyncSampling() { - - Serial.println("Started async task for PM sensor sampling."); - - while (true) { - this->wakeUp(); - - //attach a callback on what to do when data sampling is complete - sds011.on_query_data_auto_completed([this](int n) { - Serial.println("Sampled new PM data."); - int pm25; - int pm10; - if (sds011.filter_data(n, pm25_table, pm10_table, pm25, pm10) && - !isnan(pm10) && !isnan(pm25)) { - //set the right values - this->latestPM10 = float(pm10) / 10; - this->latestPM25 = float(pm25) / 10; - } - }); - - if (!sds011.query_data_auto_async(pm_tablesize, pm25_table, pm10_table)) { - Serial.println("measurement capture start failed"); - } - - PmSensor::sensorWait(MEASURE_TIME); - - this->enableStandbyMode(); - PmSensor::sensorWait(SLEEP_TIME); - } -} - -/** - * Put the sensor to standby mode - */ -void PmSensor::enableStandbyMode() { - if (sds011.set_sleep(true)) { this->state = SensorState::ASLEEP; } - Serial.println("PM sensor went to sleep mode."); -} - -/** - * Activate the sensor - */ -void PmSensor::wakeUp() { - if (sds011.set_sleep(false)) { this->state = SensorState::AWAKE; } - Serial.println("PM sensor woke up."); -} - -/** - * Method to set up and initialize the sensor - */ -void PmSensor::sensor_setup() { -#ifdef ESP32 - serialSDS.begin(SENSOR_BAUD_RATE, SERIAL_8N1, SDS_PIN_RX, SDS_PIN_TX); - delay(100); -#else - serialSDS.begin(SENSOR_BAUD_RATE, SWSERIAL_8N1, SDS_PIN_RX, SDS_PIN_TX, false, 192); -#endif - - //put the sensor into standby mode initially - this->PmSensor::enableStandbyMode(); - Serial.println("SDS011 sensor initialized to standby mode."); -} - -/** - * Method to wait for some time and perform the appropriate task - * @param time the time to wait for in seconds - */ -void PmSensor::sensorWait(int time) { - uint32_t deadline = millis() + time * 1000; - while (static_cast(deadline - millis()) > 0) { - vTaskDelay(1000 / portTICK_PERIOD_MS); - sds011.perform_work(); - } -} - -sensor_data_t PmSensor::sample() { - return {0.0, 0.0, this->latestPM10, this->latestPM25}; -} diff --git a/firmware/src/sensors/PmSensor.h b/firmware/src/sensors/PmSensor.h deleted file mode 100644 index 626b586..0000000 --- a/firmware/src/sensors/PmSensor.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef FIRMWARE_PMSENSOR_H -#define FIRMWARE_PMSENSOR_H - -#include "Sensor.h" -#include "sensor_data_t.h" - -class PmSensor : public Sensor { -public: - static const int pm_tablesize = 20; - int pm25_table[pm_tablesize]; - int pm10_table[pm_tablesize]; - - float latestPM10; - float latestPM25; - - PmSensor(); - - sensor_data_t sample() override; - - [[noreturn]] void startAsyncSampling(); - - - void enableStandbyMode() override; - - void wakeUp() override; - -protected: - void sensor_setup() override; - -private: - static void sensorWait(int time); -}; - - -#endif //FIRMWARE_PMSENSOR_H diff --git a/firmware/src/sensors/Sensor.h b/firmware/src/sensors/Sensor.h index bba9e33..7f3a1f8 100644 --- a/firmware/src/sensors/Sensor.h +++ b/firmware/src/sensors/Sensor.h @@ -1,5 +1,5 @@ -#ifndef FIRMWARE_SENSOR_H -#define FIRMWARE_SENSOR_H +#ifndef NEW_CLIMTE_GO_SENSOR_H +#define NEW_CLIMTE_GO_SENSOR_H #include diff --git a/firmware/src/sensors/sensor_data_t.h b/firmware/src/sensors/sensor_data_t.h index cc76161..0d96e8d 100644 --- a/firmware/src/sensors/sensor_data_t.h +++ b/firmware/src/sensors/sensor_data_t.h @@ -1,5 +1,7 @@ -#ifndef FIRMWARE_SENSOR_DATA_T_H -#define FIRMWARE_SENSOR_DATA_T_H +#ifndef NEW_CLIMTE_GO_SENSOR_DATA_T_H +#define NEW_CLIMTE_GO_SENSOR_DATA_T_H + +#include /** * This struct represents data read from any sensor. @@ -9,8 +11,6 @@ struct sensor_data_t { float temperature; float pressure; - float pm10; - float pm25; }; #endif diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..1796f3c --- /dev/null +++ b/flake.lock @@ -0,0 +1,27 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1728241625, + "narHash": "sha256-yumd4fBc/hi8a9QgA9IT8vlQuLZ2oqhkJXHPKxH/tRw=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "c31898adf5a8ed202ce5bea9f347b1c6871f32d1", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..8d9655b --- /dev/null +++ b/flake.nix @@ -0,0 +1,25 @@ +{ + description = "A Nix-flake-based PlatformIO development environment"; + + inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; + + outputs = { self, nixpkgs }: + let + supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ]; + forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f { + pkgs = import nixpkgs { inherit system; }; + }); + in + { + devShells = forEachSupportedSystem ({ pkgs }: { + default = pkgs.mkShell { + packages = with pkgs; [ + platformio-core + openocd + python3 + platformio + ]; + }; + }); + }; +}