From abbf6a8546939f9c03e6466b6a596dca25b1117c Mon Sep 17 00:00:00 2001 From: Joe Tretter Date: Thu, 3 Apr 2025 14:35:44 -0500 Subject: [PATCH] Initial, very basic version of Kitchen PIR --- .gitignore | 5 ++ .vscode/extensions.json | 10 ++++ OutsideTempSensor.cpp.txt | 118 ++++++++++++++++++++++++++++++++++++++ include/README | 37 ++++++++++++ lib/README | 46 +++++++++++++++ platformio.ini | 17 ++++++ src/main.cpp | 104 +++++++++++++++++++++++++++++++++ test/README | 11 ++++ 8 files changed, 348 insertions(+) create mode 100644 .gitignore create mode 100644 .vscode/extensions.json create mode 100644 OutsideTempSensor.cpp.txt create mode 100644 include/README create mode 100644 lib/README create mode 100644 platformio.ini create mode 100644 src/main.cpp create mode 100644 test/README diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/.vscode/extensions.json b/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/.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/OutsideTempSensor.cpp.txt b/OutsideTempSensor.cpp.txt new file mode 100644 index 0000000..b4a8d7f --- /dev/null +++ b/OutsideTempSensor.cpp.txt @@ -0,0 +1,118 @@ +/* +Send the DHT11 Measured Temperature via MQTT +*/ + +#include +#include +#include +#include +#include "DHTesp.h" + + +// Update these with values suitable for your network. + +const char* ssid = "JoNelsDarlings"; +const char* password = "Paris2016"; +const char* mqtt_server = "mqtt.ddns.kawomi.com"; + +DHTesp dht; +WiFiClient espClient; +PubSubClient client(espClient); +unsigned long lastMsg = 0; +#define MSG_BUFFER_SIZE (50) +char msg[MSG_BUFFER_SIZE]; + +void setup_wifi() { + + delay(10); + // We start by connecting to a WiFi network + Serial.println(); + Serial.print("Connecting to "); + Serial.println(ssid); + + WiFi.mode(WIFI_STA); + WiFi.begin(ssid, password); + + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + + randomSeed(micros()); + + Serial.println(""); + Serial.println("WiFi connected"); + Serial.println("IP address: "); + Serial.println(WiFi.localIP()); +} + + +void reconnect() { + // Loop until we're reconnected + while (!client.connected()) { + Serial.print("Attempting MQTT connection..."); + // Create a random client ID + String clientId = "ESP32Client-"; + clientId += String(random(0xffff), HEX); + // Attempt to connect + if (client.connect(clientId.c_str())) { + Serial.println("MQTT connected"); + // Once connected, publish an announcement... + } else { + Serial.print("MQTT failed, rc="); + Serial.print(client.state()); + Serial.println(" try again in 5 seconds"); + // Wait 5 seconds before retrying + delay(5000); + } + } +} + +void setup() { + pinMode(BUILTIN_LED, OUTPUT); // Initialize the BUILTIN_LED pin as an output + Serial.begin(115200); + setup_wifi(); + dht.setup(5, DHTesp::DHT11); + client.setServer(mqtt_server, 1883); +// client.setCallback(callback); +} + +void loop() { + + if (!client.connected()) { + reconnect(); + } + client.loop(); + + delay(5000); + digitalWrite(BUILTIN_LED,HIGH); + delay(1000); + digitalWrite(BUILTIN_LED,LOW); + float humidity = dht.getHumidity(); + float temperature = dht.getTemperature(); + + const char* status=dht.getStatusString(); + if (strcmp(status,"OK") == 0) { + // allocate the memory for the document + const size_t CAPACITY = JSON_OBJECT_SIZE(3); + StaticJsonDocument doc; + + // create an object + JsonObject object = doc.to(); + object["temperatureCelsius"] = temperature; + object["temperatureFarenheit"] = dht.toFahrenheit(temperature); + object["humidity"] = humidity; + + // serialize the object and send the result to Serial + static char sensorStatus[150]; + + serializeJson(doc, sensorStatus); + Serial.println(sensorStatus); + client.publish("Outside/Weather", sensorStatus); + } else { + Serial.print("Error Reading Temp. "); + Serial.println(status); + } + + +} diff --git a/include/README b/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/include/README @@ -0,0 +1,37 @@ + +This directory is intended for project header files. + +A header file is a file containing C declarations and macro definitions +to be shared between several project source files. You request the use of a +header file in your project source file (C, C++, etc) located in `src` folder +by including it, with the C preprocessing directive `#include'. + +```src/main.c + +#include "header.h" + +int main (void) +{ + ... +} +``` + +Including a header file produces the same results as copying the header file +into each source file that needs it. Such copying would be time-consuming +and error-prone. With a header file, the related declarations appear +in only one place. If they need to be changed, they can be changed in one +place, and programs that include the header file will automatically use the +new version when next recompiled. The header file eliminates the labor of +finding and changing all the copies as well as the risk that a failure to +find one copy will result in inconsistencies within a program. + +In C, the convention is to give header files names that end with `.h'. + +Read more about using header files in official GCC documentation: + +* Include Syntax +* Include Operation +* Once-Only Headers +* Computed Includes + +https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html diff --git a/lib/README b/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/lib/README @@ -0,0 +1,46 @@ + +This directory is intended for project specific (private) libraries. +PlatformIO will compile them to static libraries and link into the executable file. + +The source code of each library should be placed in a separate directory +("lib/your_library_name/[Code]"). + +For example, see the structure of the following example libraries `Foo` and `Bar`: + +|--lib +| | +| |--Bar +| | |--docs +| | |--examples +| | |--src +| | |- Bar.c +| | |- Bar.h +| | |- library.json (optional. for custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html +| | +| |--Foo +| | |- Foo.c +| | |- Foo.h +| | +| |- README --> THIS FILE +| +|- platformio.ini +|--src + |- main.c + +Example contents of `src/main.c` using Foo and Bar: +``` +#include +#include + +int main (void) +{ + ... +} + +``` + +The PlatformIO Library Dependency Finder will find automatically dependent +libraries by scanning project source files. + +More information about PlatformIO Library Dependency Finder +- https://docs.platformio.org/page/librarymanager/ldf.html diff --git a/platformio.ini b/platformio.ini new file mode 100644 index 0000000..1e0d34f --- /dev/null +++ b/platformio.ini @@ -0,0 +1,17 @@ +; PlatformIO Project Configuration File +; +; Build options: build flags, source filter +; Upload options: custom upload port, speed and extra flags +; Library options: dependencies, extra library storages +; Advanced options: extra scripting +; +; Please visit documentation for the other options and examples +; https://docs.platformio.org/page/projectconf.html + +[env:esp32doit-devkit-v1] +platform = espressif32 +board = esp32doit-devkit-v1 +framework = arduino +lib_deps = + knolleary/PubSubClient@^2.8 + bblanchon/ArduinoJson@^7.3.1 diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..f18df75 --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,104 @@ +#include +#include +#include +#include + +const int PIR_PIN=23; +const char* ssid = "JoNelsDarlings"; +const char* password = "Paris2016"; +const char* mqtt_server = "mqtt.ddns.kawomi.com"; + + +WiFiClient espClient; +PubSubClient mqttClient(espClient); +unsigned long lastMsg = 0; +#define MSG_BUFFER_SIZE (50) +char msg[MSG_BUFFER_SIZE]; + +void setup_wifi() { + + delay(10); + // We start by connecting to a WiFi network + Serial.println(); + Serial.print("Connecting to "); + Serial.println(ssid); + + WiFi.mode(WIFI_STA); + WiFi.begin(ssid, password); + + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + + randomSeed(micros()); + + Serial.println(""); + Serial.println("WiFi connected"); + Serial.println("IP address: "); + Serial.println(WiFi.localIP()); +} + + +void reconnect() { + // Loop until we're reconnected + while (!mqttClient.connected()) { + Serial.print("Attempting MQTT connection..."); + // Create a random client ID + String clientId = "ESP32Client-"; + clientId += String(random(0xffff), HEX); + // Attempt to connect + if (mqttClient.connect(clientId.c_str())) { + Serial.println("MQTT connected"); + // Once connected, publish an announcement... + } else { + Serial.print("MQTT failed, rc="); + Serial.print(mqttClient.state()); + Serial.println(" try again in 5 seconds"); + // Wait 5 seconds before retrying + delay(5000); + } + } +} + +void send_mqtt(String value) { + const size_t CAPACITY = JSON_OBJECT_SIZE(1); + StaticJsonDocument doc; + + // create an object + JsonObject object = doc.to(); + object["status"] = value.c_str(); + + // serialize the object and send the result to Serial + static char sensorStatus[150]; + serializeJson(doc, sensorStatus); + Serial.println(sensorStatus); + + mqttClient.publish("Address/Livorno/Kitchen/PIR", sensorStatus, true); +} + + +void setup() { + pinMode(LED_BUILTIN,OUTPUT); + pinMode(PIR_PIN,INPUT); + + Serial.begin(115200); + setup_wifi(); + mqttClient.setServer(mqtt_server, 1883); + +} + +void loop() { + if (!mqttClient.connected()) { + reconnect(); + } + mqttClient.loop(); + + int pir = digitalRead(PIR_PIN); + if (pir == HIGH) { + send_mqtt("motion"); + digitalWrite(LED_BUILTIN,HIGH); + delay(1000); + digitalWrite(LED_BUILTIN,LOW); + } +} diff --git a/test/README b/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/test/README @@ -0,0 +1,11 @@ + +This directory is intended for PlatformIO Test Runner and project tests. + +Unit Testing is a software testing method by which individual units of +source code, sets of one or more MCU program modules together with associated +control data, usage procedures, and operating procedures, are tested to +determine whether they are fit for use. Unit testing finds problems early +in the development cycle. + +More information about PlatformIO Unit Testing: +- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html