feat(wokwi-dht22/dht22-stm32): add test

Author: urish

.github/workflows/wokwi-test.yml

@@ -22,6 +22,9 @@ jobs:
           - name: dht22-pico
             path: wokwi-dht22/dht22-pico
             scenario: dht22.test.yaml
+          - name: dht22-stm32
+            path: wokwi-dht22/dht22-stm32
+            scenario: dht22.test.yaml
           - name: slide-potentiometer-uno
             path: wokwi-slide-potentiometer/pot-uno
             scenario: slide-potentiometer.test.yaml

wokwi-dht22/dht22-stm32/dht22.test.yaml

@@ -0,0 +1,26 @@
+name: 'DHT22 Sensor Test (STM32)'
+version: 1
+author: 'Uri Shaked'
+
+steps:
+  # Wait for initialization
+  - wait-serial: 'DHT22 test (STM32)'
+  # Wait for first reading
+  - delay: 500ms
+  # Check exact temperature and humidity values
+  - wait-serial: 'Humidity: 45.80%  Temperature: 23.50°C'
+  # Wait for second reading to confirm consistency
+  - delay: 500ms
+  - wait-serial: 'Humidity: 45.80%  Temperature: 23.50°C'
+  # Set new values
+  - set-control:
+      part-id: dht
+      control: temperature
+      value: 21.5
+  - set-control:
+      part-id: dht
+      control: humidity
+      value: 66.9
+  - delay: 500ms
+  # Check new values
+  - wait-serial: 'Humidity: 66.90%  Temperature: 21.50°C'

wokwi-dht22/dht22-stm32/diagram.json

@@ -0,0 +1,23 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    { "type": "board-st-nucleo-l031k6", "id": "nucleo", "top": 0, "left": 0, "attrs": {} },
+    {
+      "type": "wokwi-dht22",
+      "id": "dht",
+      "top": 0,
+      "left": 300,
+      "attrs": { "temperature": "23.5", "humidity": "45.8" }
+    }
+  ],
+  "connections": [
+    [ "$serialMonitor:TX", "nucleo:VCP_RX", "", [] ],
+    [ "$serialMonitor:RX", "nucleo:VCP_TX", "", [] ],
+    [ "nucleo:D2", "dht:SDA", "red", [ "h-15.65", "v135.61", "h324.6" ] ],
+    [ "nucleo:3V3", "dht:VCC", "green", [ "v1.21", "h260.25" ] ],
+    [ "nucleo:GND.1", "dht:GND", "black", [ "h-25.25", "v154.81", "h363" ] ]
+  ],
+  "dependencies": {}
+}

wokwi-dht22/dht22-stm32/platformio.ini

@@ -0,0 +1,7 @@
+[env:nucleo_l031k6]
+platform = ststm32
+board = nucleo_l031k6
+framework = arduino
+lib_deps =
+    adafruit/DHT sensor library@^1.4.4
+    adafruit/Adafruit Unified Sensor@^1.1.9

wokwi-dht22/dht22-stm32/src/main.cpp

@@ -0,0 +1,31 @@
+#include <Arduino.h>
+#include <DHT.h>
+
+#define DHTPIN D2
+#define DHTTYPE DHT22
+
+DHT dht(DHTPIN, DHTTYPE);
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("DHT22 test (STM32)");
+  dht.begin();
+}
+
+void loop() {
+  delay(500);
+  
+  float humidity = dht.readHumidity();
+  float temperature = dht.readTemperature();
+  
+  if (isnan(humidity) || isnan(temperature)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return;
+  }
+  
+  Serial.print("Humidity: ");
+  Serial.print(humidity, 2);
+  Serial.print("%  Temperature: ");
+  Serial.print(temperature, 2);
+  Serial.println("°C");
+}

wokwi-dht22/dht22-stm32/wokwi.toml

@@ -0,0 +1,4 @@
+[wokwi]
+version = 1
+firmware = '.pio/build/nucleo_l031k6/firmware.bin'
+elf = '.pio/build/nucleo_l031k6/firmware.elf'