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PurpleSentinel merged 1 commit into from
Aug 10, 2026
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Prepare v4.2.0 release #68

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16 changes: 10 additions & 6 deletions README.md
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# Track Session Timer - v4.1.0
# Track Session Timer - v4.2.0
Trackday or race session timer.

# Change log
## Next
## Version 4.2
### v4.2.0 [current]
* Added continuous automatic orientation using the onboard IMU, with display rendering and touch gestures rotating together.
* Kept Auto rotation safe during active timing and retained normal Timer operation if the IMU is unavailable.
* Replaced abrupt track-session warning backgrounds with a smooth, duration-proportional green, yellow, amber, and red gradient.
* Added a distinct deep-purple overrun background and automatic black-or-white timer text chosen for maximum contrast.
* Expanded hardware-independent regression coverage to 143 tests.

## Version 4.1
### v4.1.0 [current]
### v4.1.0
* Added persistent 0°, 90°, 180°, and 270° clockwise mounting orientations.
* Kept display rendering and directional touch gestures aligned at every orientation.
* Added live rotation preview with explicit save and safe cancellation in Settings.
Expand DownExpand Up@@ -111,7 +115,7 @@ An accelerometer cannot determine rotation around gravity when the screen is nea

## Supported hardware

Version 4.1.0 supports the integrated [Waveshare RP2040-Touch-LCD-1.28](https://www.waveshare.com/product/rp2040-touch-lcd-1.28.htm). This board combines the RP2040, GC9A01A 240x240 LCD, CST816S touchscreen, and QMI8658 IMU used by the firmware. The standalone 1.28-inch Touch LCD connected to a separate Raspberry Pi Pico uses a different pin map and is not currently supported.
Version 4.2.0 supports the integrated [Waveshare RP2040-Touch-LCD-1.28](https://www.waveshare.com/product/rp2040-touch-lcd-1.28.htm). This board combines the RP2040, GC9A01A 240x240 LCD, CST816S touchscreen, and QMI8658 IMU used by the firmware. The standalone 1.28-inch Touch LCD connected to a separate Raspberry Pi Pico uses a different pin map and is not currently supported.

### Onboard pin map

Expand DownExpand Up@@ -191,7 +195,7 @@ When upgrading an existing device, omit that command so all of its saved user se

### 4. Verify first boot

The display should show the Caterham v4.1.0 splash, the hardware-information splash, and then the green **Ready** screen. The serial console should report the loaded user parameters, `Success:Detected CST816T.`, and the touchscreen revision without a traceback.
The display should show the Caterham v4.2.0 splash, the hardware-information splash, and then the green **Ready** screen. The serial console should report the loaded user parameters, `Success:Detected CST816T.`, and the touchscreen revision without a traceback.

If first boot fails:

Expand All@@ -210,7 +214,7 @@ The QMI8658 IMU is optional unless a non-zero Launch Mode sensitivity, G Mode, o

## Configuration files

Version 4.1.0 uses two separate configuration scopes:
Version 4.2.0 uses two separate configuration scopes:

* `params.json` contains system-owned choices and display behavior: `DURATION_VALUES`, `LAUNCH_SENSE_VALUES`, `VERSION`, `DISPLAY_DELAY_REST`, `DISPLAY_DELAY_REST_COLOUR`, `STARTUP_SPLASH_DURATION_SEC`, `HARDWARE_SPLASH_DURATION_SEC`, and `MODE_MENU_HOLD_SEC`.
* `user.json` contains the current user selections: `RACE_LENGTH` (track-session minutes), `REST_LENGTH` (pit-rest minutes), `SENSITIVITY` (launch threshold; `0` disables Launch Mode), `OPERATING_MODE` (`timer` or `g`), `BRIGHTNESS_PERCENT`, and `DISPLAY_ROTATION_DEG` (`auto` or the fixed clockwise device mounting angle `0`, `90`, `180`, or `270`).
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2 changes: 1 addition & 1 deletion User Guide.md
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# User Guide - v4.1.0
# User Guide - v4.2.0

## General / Sessions Use
The following describes general operation of both the ``Track Session`` and ``Rest in Pits Session`` timer.
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2 changes: 1 addition & 1 deletion params.json
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"DURATION_VALUES": [1, 5, 10, 15, 20, 25, 30, 40, 50, 60],
"DISPLAY_DELAY_REST": 5,
"LAUNCH_SENSE_VALUES": [0, 0.5, 1, 1.25, 1.5, 1.75, 2, 2.5, 3.5, 4],
"VERSION": "4.1.0",
"VERSION": "4.2.0",
"DISPLAY_DELAY_REST_COLOUR": "blue",
"STARTUP_SPLASH_DURATION_SEC": 2,
"HARDWARE_SPLASH_DURATION_SEC": 2,
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2 changes: 1 addition & 1 deletion settings.py
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"DURATION_VALUES": [1, 5, 10, 15, 20, 25, 30, 40, 50, 60],
"DISPLAY_DELAY_REST": 5,
"LAUNCH_SENSE_VALUES": [0, 0.5, 1, 1.25, 1.5, 1.75, 2, 2.5, 3.5, 4],
"VERSION": "4.1.0",
"VERSION": "4.2.0",
"DISPLAY_DELAY_REST_COLOUR": "blue",
"STARTUP_SPLASH_DURATION_SEC": 2,
"HARDWARE_SPLASH_DURATION_SEC": 2,
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