test: uart driver tests

.github/workflows/test.yml

@@ -232,3 +232,27 @@ jobs:
         run: pytest test_i2c.py
         env:
           WOKWI_CLI_TOKEN: ${{ secrets.WOKWI_CLI_TOKEN }}
+
+  test-uart:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: 'pip'
+      - run: pip install -r test/requirements.txt
+
+      - name: Run a Wokwi CI server
+        uses: wokwi/wokwi-ci-server-action@v1
+
+      - name: Install Wokwi CLI
+        run: curl -L https://wokwi.com/ci/install.sh | sh
+
+      - name: Test on Wokwi
+        working-directory: test
+        run: pytest test_uart.py
+        env:
+          WOKWI_CLI_TOKEN: ${{ secrets.WOKWI_CLI_TOKEN }}

test/test_uart.py

@@ -0,0 +1,25 @@
+import subprocess
+
+import pytest
+
+
+@pytest.mark.parametrize(
+    "chip", ["esp32", "esp32s2", "esp32s3", "esp32c3", "esp32c6", "esp32h2"]
+)
+def test_uart(chip: str):
+
+    # Run the Wokwi CLI
+    result = subprocess.run(
+        [
+            "wokwi-cli",
+            "--elf",
+            f"../bin/{chip}/idf/latest/components/esp_driver_uart/test_apps/uart/firmware.uf2",
+            "--timeout",
+            "30000",
+            "--scenario",
+            "test_uart.scenario.yaml",
+            "--diagram-file",
+            f"uart/diagram.{chip}.json",
+        ]
+    )
+    assert result.returncode == 0

test/test_uart.scenario.yaml

@@ -0,0 +1,22 @@
+name: UART Unity Tests
+version: 1
+author: Uri Shaked
+
+steps:
+  - wait-serial: "Press ENTER to see the list of tests"
+  - write-serial: "*\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "Waiting for signal: [select to test 'uart' or 'lp_uart' port]!"
+  - write-serial: "uart\n"
+  - wait-serial: "7 Tests 0 Failures 0 Ignored"

test/uart/diagram.esp32.json

@@ -0,0 +1,17 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-devkit-c-v4",
+      "id": "esp",
+      "top": 0,
+      "left": 0,
+      "attrs": { "__timingOptimizations": "disable" }
+    }
+  ],
+  "connections": [ [ "esp:TX", "$serialMonitor:RX", "", [] ], [ "esp:RX", "$serialMonitor:TX", "", [] ] ],
+  "serialMonitor": { "display": "terminal" },
+  "dependencies": {}
+}

test/uart/diagram.esp32c3.json

@@ -0,0 +1,16 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-c3-devkitm-1",
+      "id": "esp",
+      "top": -0.3,
+      "left": -42.18,
+      "attrs": { "__timingOptimizations": "disable" }
+    }
+  ],
+  "connections": [ [ "esp:TX", "$serialMonitor:RX", "", [] ], [ "esp:RX", "$serialMonitor:TX", "", [] ] ],
+  "dependencies": {}
+}

test/uart/diagram.esp32c6.json

@@ -0,0 +1,16 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-c6-devkitc-1",
+      "id": "esp",
+      "top": 5.29,
+      "left": 4.12,
+      "attrs": { "__timingOptimizations": "disable" }
+    }
+  ],
+  "connections": [ [ "esp:TX", "$serialMonitor:RX", "", [] ], [ "esp:RX", "$serialMonitor:TX", "", [] ] ],
+  "dependencies": {}
+}

test/uart/diagram.esp32h2.json

@@ -0,0 +1,24 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    { "type": "board-esp32-h2-devkitm-1", "id": "esp", "top": 2.23, "left": -5.1, "attrs": {"__timingOptimizations": "disable"} },
+    {
+      "type": "wokwi-slide-potentiometer",
+      "id": "pot1",
+      "top": 57.8,
+      "left": -235.8,
+      "rotate": 180,
+      "attrs": { "travelLength": "30", "value": "512" }
+    }
+  ],
+  "connections": [
+    [ "esp:TX", "$serialMonitor:RX", "", [] ],
+    [ "esp:RX", "$serialMonitor:TX", "", [] ],
+    [ "esp:GND.2", "pot1:GND", "black", [ "h0" ] ],
+    [ "esp:3V3", "pot1:VCC", "red", [ "v0", "h-19.2", "v105.6" ] ],
+    [ "esp:4", "pot1:SIG", "green", [ "h0" ] ]
+  ],
+  "dependencies": {}
+}

test/uart/diagram.esp32s2.json

@@ -0,0 +1,16 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-s2-devkitm-1",
+      "id": "esp",
+      "top": -13.91,
+      "left": 4.57,
+      "attrs": { "__timingOptimizations": "disable" }
+    }
+  ],
+  "connections": [ [ "esp:TX", "$serialMonitor:RX", "", [] ], [ "esp:RX", "$serialMonitor:TX", "", [] ] ],
+  "dependencies": {}
+}

test/uart/diagram.esp32s3.json

@@ -0,0 +1,16 @@
+{
+  "version": 1,
+  "author": "Uri Shaked",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-s3-devkitc-1",
+      "id": "esp",
+      "top": -0.18,
+      "left": 4.57,
+      "attrs": { "__timingOptimizations": "disable", "psramSize": "16" }
+    }
+  ],
+  "connections": [ [ "esp:TX", "$serialMonitor:RX", "", [] ], [ "esp:RX", "$serialMonitor:TX", "", [] ] ],
+  "dependencies": {}
+}