feat(wokwi-microsd-card/sd-esp32): add test

Author: urish

.github/workflows/wokwi-test.yml

@@ -25,6 +25,9 @@ jobs:
           - name: dht22-stm32
             path: wokwi-dht22/dht22-stm32
             scenario: dht22.test.yaml
+          - name: microsd-card-esp32
+            path: wokwi-microsd-card/sd-esp32
+            scenario: sd.test.yaml
           - name: slide-potentiometer-uno
             path: wokwi-slide-potentiometer/pot-uno
             scenario: slide-potentiometer.test.yaml

wokwi-microsd-card/sd-esp32/diagram.json

@@ -0,0 +1,33 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "wokwi-esp32-devkit-v1",
+      "id": "esp",
+      "top": 26.66,
+      "left": -10.02,
+      "rotate": 270,
+      "attrs": {}
+    },
+    {
+      "type": "wokwi-microsd-card",
+      "id": "sd1",
+      "top": -33.33,
+      "left": 15.43,
+      "rotate": 90,
+      "attrs": {}
+    }
+  ],
+  "connections": [
+    ["esp:TX0", "$serialMonitor:RX", "", []],
+    ["esp:RX0", "$serialMonitor:TX", "", []],
+    ["sd1:SCK", "esp:D18", "green", ["v18", "h-31"]],
+    ["sd1:GND", "esp:GND.1", "black", ["v21", "h-48"]],
+    ["sd1:DO", "esp:D19", "green", ["v24", "h-42"]],
+    ["sd1:DI", "esp:D23", "green", ["v14", "h6"]],
+    ["sd1:CS", "esp:D5", "green", ["v7", "h21"]],
+    ["sd1:VCC", "esp:3V3", "red", ["v11", "h-89", "h79"]]
+  ]
+}

wokwi-microsd-card/sd-esp32/platformio.ini

@@ -0,0 +1,4 @@
+[env:esp32dev]
+platform = espressif32
+board = esp32dev
+framework = arduino

wokwi-microsd-card/sd-esp32/sd.test.yaml

@@ -0,0 +1,10 @@
+version: 1
+name: 'MicroSD Card Test'
+author: 'Uri Shaked'
+
+steps:
+  - wait-serial: 'SD card initialized successfully'
+  - wait-serial: 'File created successfully'
+  - wait-serial: 'Data written successfully'
+  - wait-serial: 'Data read successfully'
+  - wait-serial: 'Test completed'

wokwi-microsd-card/sd-esp32/src/main.cpp

@@ -0,0 +1,49 @@
+#include <SPI.h>
+#include <SD.h>
+
+const int chipSelect = 5;
+File myFile;
+
+void setup() {
+  Serial.begin(115200);
+
+  Serial.print("Initializing SD card...");
+  if (!SD.begin(chipSelect)) {
+    Serial.println("initialization failed!");
+    return;
+  }
+  Serial.println("SD card initialized successfully");
+
+  // Create a test file
+  myFile = SD.open("/test.txt", FILE_WRITE);
+  if (myFile) {
+    Serial.println("File created successfully");
+
+    // Write some data
+    myFile.println("Hello, Wokwi!");
+    myFile.close();
+    Serial.println("Data written successfully");
+  } else {
+    Serial.println("Error creating file");
+    return;
+  }
+
+  // Read the file
+  myFile = SD.open("/test.txt");
+  if (myFile) {
+    Serial.println("Data read successfully");
+    while (myFile.available()) {
+      Serial.write(myFile.read());
+    }
+    myFile.close();
+  } else {
+    Serial.println("Error opening file");
+    return;
+  }
+
+  Serial.println("Test completed");
+}
+
+void loop() {
+  // Nothing to do here
+}

wokwi-microsd-card/sd-esp32/wokwi.toml

@@ -0,0 +1,4 @@
+[wokwi]
+version = 1
+firmware = '.pio/build/esp32dev/firmware.bin'
+elf = '.pio/build/esp32dev/firmware.elf'