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e55fe71145
Add complete extension system for CrossPoint Reader with the following components: Extension Apps (src/apps/hello-world/): - HelloWorldActivity with e-ink display support - Manual partition swap return mechanism (NOT rollback - bootloader disabled) - RTC boot counter watchdog (auto-return after 3 failed boots) - Uses esp_ota_set_boot_partition() + esp_restart() for safe return AppLoader Utility (src/extension/): - scanApps() - reads /.crosspoint/apps/*/app.json manifests - parseManifest() - JSON parsing with ArduinoJson - flashApp() - OTA flashing with ESP-IDF APIs - Safety checks: battery >20%, magic byte 0xE9, partition validation - Progress callback support for UI updates AppsActivity UI (src/activities/apps/): - List apps from SD card with selection highlight - Progress bar during flashing operation - Button hints (Back, Launch, Up, Down) - Error handling for missing/corrupt files HomeActivity Integration: - Added 'Apps' menu item after File Transfer - onGoToApps() callback for navigation - Proper activity lifecycle management Documentation: - TESTING_GUIDE.md - Comprehensive testing procedures - IMPLEMENTATION_SUMMARY.md - Technical overview Safety Features: - Battery check before flashing (>20%) - Magic byte validation (0xE9) - Partition size validation - RTC watchdog prevents soft-brick - Dynamic partition APIs (no hardcoded indices) Build: - Added [env:hello-world] to platformio.ini - src_filter excludes main CrossPoint sources - Standalone extension builds to firmware.bin Closes extension system Phase 1 implementation.
308 lines
7.3 KiB
Markdown
308 lines
7.3 KiB
Markdown
# Xteink X4 Extension System Testing Guide
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## Pre-Test Setup
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### Prerequisites
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- Xteink X4 device with USB-C cable
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- SD card (formatted as FAT32)
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- Computer with PlatformIO installed
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- Serial monitor (VS Code or `pio device monitor`)
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### Files You Need
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1. **Main firmware**: `.pio/build/default/firmware.bin`
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2. **Hello World extension**: `.pio/build/hello-world/firmware.bin`
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3. **Test app manifest**: `app.json`
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---
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## Step 1: Prepare the SD Card
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### 1.1 Create Directory Structure
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On your computer, create this folder structure on the SD card:
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```
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/.crosspoint/apps/hello-world/
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```
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### 1.2 Create App Manifest
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Create file `/.crosspoint/apps/hello-world/app.json` with content:
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```json
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{
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"name": "Hello World",
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"version": "1.0.0",
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"description": "Test extension for CrossPoint",
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"author": "Test User",
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"minFirmware": "0.14.0"
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}
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```
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### 1.3 Copy Hello World Binary
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1. Build Hello World: `pio run -e hello-world`
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2. Copy `.pio/build/hello-world/firmware.bin` to SD card
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3. Rename it to `app.bin` on the SD card:
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```
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/.crosspoint/apps/hello-world/app.bin
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```
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---
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## Step 2: Flash Main Firmware
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### 2.1 Build Main Firmware
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```bash
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pio run
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```
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### 2.2 Upload to Device
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Connect Xteink X4 via USB-C and run:
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```bash
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pio run -t upload
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```
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### 2.3 Verify Boot
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Open serial monitor:
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```bash
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pio device monitor -b 115200
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```
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You should see:
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```
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[ 0] [ ] Starting CrossPoint version 0.14.0-dev
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```
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---
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## Step 3: Test the Apps Menu
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### 3.1 Navigate to Apps Menu
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1. Power on the device
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2. You should see the Home screen with menu items:
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- Continue Reading (if applicable)
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- Browse Files
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- OPDS Library (if configured)
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- File Transfer
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- **Apps** ← New menu item
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- Settings
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3. Use **Down** button to navigate to "Apps"
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4. Press **Select** button
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### 3.2 Expected Behavior
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- AppsActivity should load
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- Screen shows "Hello World v1.0.0" in the list
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- "No apps found" message should NOT appear
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---
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## Step 4: Test App Flashing
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### 4.1 Launch Hello World
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1. In AppsActivity, "Hello World" should be highlighted
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2. Press **Select** button
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3. Screen should show "Flashing App..." with progress bar
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4. Progress should go from 0% to 100%
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### 4.2 Verify Serial Output
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Check serial monitor for:
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```
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[xxxxx] [AppLoader] Flashing to partition: ota_X (offset: 0xYYYYYY)
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[xxxxx] [AppLoader] Battery: XX% - OK
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[xxxxx] [AppLoader] Writing chunk X/Y
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[xxxxx] [AppLoader] Flash complete. Rebooting...
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```
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### 4.3 Device Reboots
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- Device should automatically reboot
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- Should boot into Hello World app (not main firmware)
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- Screen shows "Hello World!"
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---
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## Step 5: Test Return to Launcher
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### 5.1 Exit via Back Button
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1. While in Hello World, press **Back** button
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2. Device should reboot
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3. Should return to main CrossPoint launcher (HomeActivity)
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### 5.2 Verify Return
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- Screen shows HomeActivity (not Hello World)
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- All menu items visible
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- Serial shows:
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```
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[HelloWorld] Triggering return to launcher...
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```
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### 5.3 Alternative: Power Button
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1. Go back to Apps → Launch Hello World
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2. Press **Power** button to sleep
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3. Press **Power** again to wake
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4. Should return to launcher
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---
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## Step 6: Test Safety Features
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### 6.1 RTC Watchdog (Boot Loop Protection)
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**⚠️ WARNING: This test simulates a crash. Have USB cable ready.**
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To simulate a bad extension:
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1. Create a dummy `/.crosspoint/apps/crash-test/app.json`
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2. Copy a corrupted or incompatible `app.bin` (can use random bytes)
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3. Try to launch it
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4. Device will boot, crash, and reboot
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5. After 3 failed boots, should auto-return to launcher
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**Expected**: Device returns to launcher after 3 failed attempts, not stuck in boot loop.
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### 6.2 Low Battery Protection
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1. Discharge device to < 20% battery
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2. Try to launch an app
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3. Should show error: "Battery too low (XX%). Charge to continue."
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4. Flash should NOT proceed
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### 6.3 Missing app.bin
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1. Delete `/.crosspoint/apps/hello-world/app.bin` (keep app.json)
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2. Try to launch Hello World
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3. Should show error: "app.bin not found"
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4. Should NOT crash
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---
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## Step 7: Test Ping-Pong States
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### 7.1 Check Current Partition
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In serial monitor during boot:
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```
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esp_ota_get_running_partition() = ota_0 (or ota_1)
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```
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### 7.2 Test from ota_0
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1. If running from ota_0: Launch Hello World → Return
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2. Verify successful cycle
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### 7.3 Force OTA Update to Swap Partitions
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1. Perform a normal OTA update (or use debug tool)
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2. This moves launcher to ota_1
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3. Reboot and verify launcher now on ota_1
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### 7.4 Test from ota_1
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1. Launch Hello World from Apps menu
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2. Verify it flashes to ota_0
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3. Exit and return
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4. Verify successful return to ota_1
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**Critical**: Return must work regardless of which partition launcher is on.
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---
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## Expected Serial Output Summary
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### Normal Operation
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```
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[ 0] [ ] Starting CrossPoint version 0.14.0-dev
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[AppsActivity] Found 1 apps
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[AppsActivity] Launching app: Hello World
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[AppLoader] Flashing to partition: ota_1 (offset: 0x650000)
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[AppLoader] Battery: 85% - OK
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[AppLoader] Flash complete. Rebooting...
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[HelloWorld] Starting...
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[HelloWorld] Activity started
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[HelloWorld] Triggering return to launcher...
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```
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### Error Cases
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```
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[AppLoader] Battery: 15% - TOO LOW
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[AppLoader] Aborting flash
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[AppLoader] Magic byte check failed: expected 0xE9, got 0xXX
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[AppLoader] Invalid firmware image
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[AppsActivity] No apps found
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```
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---
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## Troubleshooting
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### Issue: Apps menu not showing
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**Solution**: Verify `onGoToApps` callback passed to HomeActivity in main.cpp
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### Issue: "No apps found" message
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**Check**:
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- SD card mounted properly
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- `/.crosspoint/apps/` directory exists
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- `app.json` is valid JSON
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- File permissions (readable)
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### Issue: Flash fails with "partition error"
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**Check**:
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- `esp_ota_get_next_update_partition()` returns correct slot
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- Not trying to flash to currently running partition
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- File size < partition size (6.4MB)
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### Issue: Return to launcher fails
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**Check**:
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- Hello World calls `esp_ota_set_boot_partition()` before `esp_restart()`
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- Bootloader not corrupted
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- RTC memory accessible
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### Issue: Boot loop after flashing bad app
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**Recovery**:
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1. Hold Power button for 10 seconds
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2. Connect USB cable
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3. Flash good firmware via `pio run -t upload`
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---
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## Success Criteria Checklist
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- [ ] Main firmware builds and flashes successfully
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- [ ] Hello World extension builds successfully
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- [ ] SD card structure created correctly
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- [ ] Apps menu appears in HomeActivity
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- [ ] App list shows "Hello World"
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- [ ] Flashing shows progress bar (0-100%)
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- [ ] Serial output shows correct partition and battery info
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- [ ] Device reboots into Hello World
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- [ ] Back button returns to launcher
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- [ ] Power button sleep/wake returns to launcher
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- [ ] RTC watchdog works (returns after 3 failed boots)
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- [ ] Low battery prevents flashing
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- [ ] Missing app.bin shows error (no crash)
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- [ ] Works from both ota_0 and ota_1 states
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- [ ] OTA update after extension cycle works
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---
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## Post-Test Cleanup
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1. Delete test apps from SD card if desired:
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```
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/.crosspoint/apps/hello-world/
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```
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2. Revert to stock firmware if needed
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3. Document any issues found
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---
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## Phase 2 (Future Work)
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Once basic extension system is validated:
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- [ ] Chess Puzzles as extension (extract from main firmware)
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- [ ] WiFi download from URL
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- [ ] App icons in manifest
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- [ ] App store server
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- [ ] Multiple apps in menu
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- [ ] App deletion
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---
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**Test Date**: ___________
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**Tester**: ___________
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**Device ID**: ___________
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**Firmware Version**: 0.14.0-dev
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**Results**: ☐ PASS / ☐ FAIL
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