Add Libre Computer La Frite (AML-S805X-AC) hardware platform support

docs/hardware_platform_support.md

@@ -31,6 +31,7 @@ Current profiles in `io_config.json`:
 - `FOX_22` (Luckfox Pico 22-pin)
 - `FOX_40` (Luckfox Pico 40-pin)
 - `FOX_PI` (Luckfox Pico Pi)
+- `LC_LAFRITE` (Libre Computer La Frite AML-S805X-AC, USB camera)
 
 ## Button GPIO mapping format
 
@@ -166,3 +167,25 @@ This is a quick reference summary of the mappings currently defined in
   - Device: `/dev/video12`
   - Pixel format: `GREY`
   - Framerate: `6`
+
+### `LC_LAFRITE`
+
+- Display (sysfs GPIO numbers; 7J1 header, Waveshare-compatible physical pin positions):
+  - `dc`: `[480]` (pin 22, GPIOX_0)
+  - `rst`: `[510]` (pin 13, GPIOAO_9)
+  - `bl`: `[495]` (pin 18, GPIOX_15)
+  - SPI: `bus 0`, `device 0`
+- Buttons (all with `"pull_up"`; sysfs GPIO numbers):
+  - `KEY_UP`: `[498, "pull_up"]` (pin 31, GPIOX_18)
+  - `KEY_DOWN`: `[487, "pull_up"]` (pin 35, GPIOX_7)
+  - `KEY_LEFT`: `[497, "pull_up"]` (pin 29, GPIOX_17)
+  - `KEY_RIGHT`: `[485, "pull_up"]` (pin 37, GPIOX_5)
+  - `KEY_PRESS`: `[486, "pull_up"]` (pin 33, GPIOX_6)
+  - `KEY1`: `[484, "pull_up"]` (pin 40, GPIOX_4)
+  - `KEY2`: `[483, "pull_up"]` (pin 38, GPIOX_3)
+  - `KEY3`: `[482, "pull_up"]` (pin 36, GPIOX_2)
+- Camera (USB):
+  - Device: `/dev/video0`
+  - Resolution: `1280x720`
+  - Pixel format: `YUYV`
+  - Framerate: `4`

docs/io_config.md

@@ -65,6 +65,7 @@ Values shown are exactly how mappings are stored in `io_config.json`.
 | `FOX_22` | `luckfox_22` | `[52] / [51] / [43]` | `KEY_UP [57,"pull_up"]`, `KEY_DOWN [59,"pull_up"]`, `KEY_LEFT [56,"pull_up"]`, `KEY_RIGHT [54,"pull_up"]`, `KEY_PRESS [58,"pull_up"]`, `KEY1 [55,"pull_up"]`, `KEY2 [4,"pull_up"]`, `KEY3 [53,"pull_up"]` | `/dev/video12`, `GREY`, `6fps` |
 | `FOX_40` | `luckfox_40` | `[56] / [57] / [72]` | `KEY_UP [58,"pull_up"]`, `KEY_DOWN [53,"pull_up"]`, `KEY_LEFT [59,"pull_up"]`, `KEY_RIGHT [54,"pull_up"]`, `KEY_PRESS [52,"pull_up"]`, `KEY1 [55,"pull_up"]`, `KEY2 [43,"pull_up"]`, `KEY3 [42,"pull_up"]` | `/dev/video12`, `GREY`, `6fps` |
 | `FOX_PI` | `luckfox_pi` | `[59] / [56] / [70]` | `KEY_UP [121,"pull_up"]`, `KEY_DOWN [1,"pull_up"]`, `KEY_LEFT [122,"pull_up"]`, `KEY_RIGHT [0,"pull_up"]`, `KEY_PRESS [52,"pull_up"]`, `KEY1 [145,"pull_up"]`, `KEY2 [123,"pull_up"]`, `KEY3 [55,"pull_up"]` | `/dev/video12`, `GREY`, `6fps` |
+| `LC_LAFRITE` | `lc_lafrite` | `[480] / [510] / [495]` | `KEY_UP [498,"pull_up"]`, `KEY_DOWN [487,"pull_up"]`, `KEY_LEFT [497,"pull_up"]`, `KEY_RIGHT [485,"pull_up"]`, `KEY_PRESS [486,"pull_up"]`, `KEY1 [484,"pull_up"]`, `KEY2 [483,"pull_up"]`, `KEY3 [482,"pull_up"]` | `/dev/video0`, `1280x720`, `YUYV`, `4fps` |
 
 ---
 

src/seedsigner/hardware/io_config.json

@@ -264,6 +264,71 @@
         "framerate": 6
       }
     },
+    {
+      "platform": "Libre Computer",
+      "variant": "La Frite (AML-S805X-AC)",
+      "shortname": "LC_LAFRITE",
+      "runtime_profile": "lc_lafrite",
+      "regex": [
+        "libre computer aml-s805x-ac"
+      ],
+      "display": {
+        "dc": [
+          480
+        ],
+        "rst": [
+          510
+        ],
+        "bl": [
+          495
+        ],
+        "spi_bus": 0,
+        "spi_device": 0
+      },
+      "buttons": {
+        "KEY_UP": [
+          498,
+          "pull_up"
+        ],
+        "KEY_DOWN": [
+          487,
+          "pull_up"
+        ],
+        "KEY_LEFT": [
+          497,
+          "pull_up"
+        ],
+        "KEY_RIGHT": [
+          485,
+          "pull_up"
+        ],
+        "KEY_PRESS": [
+          486,
+          "pull_up"
+        ],
+        "KEY1": [
+          484,
+          "pull_up"
+        ],
+        "KEY2": [
+          483,
+          "pull_up"
+        ],
+        "KEY3": [
+          482,
+          "pull_up"
+        ]
+      },
+      "camera": {
+        "device": "/dev/video0",
+        "resolution": [
+          1280,
+          720
+        ],
+        "pixelformat": "YUYV",
+        "framerate": 4
+      }
+    },
     {
       "platform": "Luckfox Pico",
       "variant": "Pi",

tests/test_io_config_profiles.py

@@ -9,6 +9,43 @@ def test_runtime_profile_to_hardware_profile_luckfox_pico_pi():
     assert runtime_profile_to_hardware_profile("luckfox_pi") == "FOX_PI"
 
 
+def test_detect_runtime_profile_libre_computer_lafrite():
+    assert detect_runtime_profile("Libre Computer AML-S805X-AC La Frite") == "lc_lafrite"
+
+
+def test_runtime_profile_to_hardware_profile_libre_computer_lafrite():
+    assert runtime_profile_to_hardware_profile("lc_lafrite") == "LC_LAFRITE"
+
+
+def test_lc_lafrite_display_control_lines():
+    mapping = get_hardware_pin_mapping("LC_LAFRITE")
+
+    assert mapping["display"]["dc"] == [480]
+    assert mapping["display"]["rst"] == [510]
+    assert mapping["display"]["bl"] == [495]
+
+
+def test_lc_lafrite_buttons_use_pull_up_mapping():
+    mapping = get_hardware_pin_mapping("LC_LAFRITE")
+
+    assert mapping["buttons"]["KEY_UP"] == [498, "pull_up"]
+    assert mapping["buttons"]["KEY_DOWN"] == [487, "pull_up"]
+    assert mapping["buttons"]["KEY_LEFT"] == [497, "pull_up"]
+    assert mapping["buttons"]["KEY_RIGHT"] == [485, "pull_up"]
+    assert mapping["buttons"]["KEY_PRESS"] == [486, "pull_up"]
+    assert mapping["buttons"]["KEY1"] == [484, "pull_up"]
+    assert mapping["buttons"]["KEY2"] == [483, "pull_up"]
+    assert mapping["buttons"]["KEY3"] == [482, "pull_up"]
+
+
+def test_lc_lafrite_camera_uses_usb_device():
+    mapping = get_hardware_pin_mapping("LC_LAFRITE")
+
+    assert mapping["camera"]["device"] == "/dev/video0"
+    assert mapping["camera"]["pixelformat"] == "YUYV"
+    assert mapping["camera"]["framerate"] == 4
+
+
 def test_fox_pi_display_control_lines_match_waveshare_hat_pins():
     mapping = get_hardware_pin_mapping("FOX_PI")