Update TODO status, add CAD files and pictures, move USB port to COM18

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -23,3 +23,6 @@ desktop.ini
 
 # Python
 __pycache__/
+
+# Test pictures
+Pictures/bitmaps

.vscode/extensions.json

@@ -1,5 +1,11 @@
 {
+    // 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",
+        "pioarduino.pioarduino-ide"
     ]
 }

CAD files/acryl scherm.step

@@ -0,0 +1,639 @@
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+
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+/* name */ 'C:/Users/TheCore/Desktop/flipflop clock/acryl scherm.step',
+
+/* time_stamp */ '2022-01-17T11:11:40+01:00',
+/* author */ (''),
+/* organization */ (''),
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README.md

@@ -305,23 +305,23 @@ The serial protocol is described in [src/nano/README.md](src/nano/README.md).
 
 ## TODO
 
-- [ ] **Install the recovery app** (one-time USB flash, see
+- [X] **Install the recovery app** (one-time USB flash, see
   [One-time installation](#one-time-installation-usb)). Until then the ESP32 runs the old
   flash layout: the clock firmware works, but without the recovery app; the Home
   Assistant sensor shows "no recovery app".
-- [ ] **Test the web UI on the real hardware**: live view, uploading and drawing a bitmap,
+- [X] **Test the web UI on the real hardware**: live view, uploading and drawing a bitmap,
   live mode, choosing a page, settings, Home Assistant settings (restart).
 - [ ] **Test the recovery app on the real hardware**: the Home Assistant button, the setup
   WiFi with a wrong WiFi password, 3 quick power cycles, and an OTA upload into it.
 
-- [ ] **Rewire the Nano link to UART2.** The firmware now uses `Serial2` (GPIO 16/17)
+- [X] **Rewire the Nano link to UART2.** The firmware now uses `Serial2` (GPIO 16/17)
   instead of `Serial` (GPIO 1/3). Move the ESP32 TX wire from GPIO 1 to **GPIO 17** before
   you flash this firmware, or the display gets no data. See
   [Wiring between ESP32 and Nano](#wiring-between-esp32-and-nano).
 - [ ] **Add the reply wire:** Nano D1 (TX) → voltage divider → ESP32 GPIO 16 (RX2). With it,
   the ESP sends the first frame as soon as the Nano is ready, instead of after 3 s, and
   the Nano can be flashed over WiFi (`nano_ota`).
-- [ ] **Test flashing over WiFi on the real hardware.** The uploader is tested against a
+- [X] **Test flashing over WiFi on the real hardware.** The uploader is tested against a
   simulated bootloader, not yet against the real Nano. Check especially that the old
   bootloader starts after the relay power cycle.
 - [ ] **Check the boot timing.** Build the Nano with `MEASURE_REFRESH` to see how long a

platformio.ini

@@ -59,7 +59,7 @@ platform = espressif32
 board = esp32doit-devkit-v1
 ; factory = recovery app, ota_0 / ota_1 = clock firmware (see partitions.csv)
 board_build.partitions = partitions.csv
-monitor_port = COM11
+monitor_port = COM18
 
 [env:esp32]
 extends = esp32_common
@@ -81,7 +81,7 @@ upload_port = 10.1.1.198
 [env:esp32_usb]
 extends = env:esp32
 upload_protocol = esptool
-upload_port = COM11
+upload_port = COM18
 board_upload.offset_address = 0x110000
 
 ; ---------------------------------------------------------------------------
@@ -101,7 +101,7 @@ build_src_filter =
 ; ESPSERIAL: status messages are sent to the Nano like in the clock firmware
 build_flags = -D ESPSERIAL -I src/esp32
 upload_protocol = esptool
-upload_port = COM11
+upload_port = COM18
 
 ; ---------------------------------------------------------------------------
 ; Unit tests on the PC (pio test -e test_nano -e test_esp32)