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by Selene Scriven
Added documentation for this collection of firmwares and the interface for each. |
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These firmwares are derived from JonnyC's dual_pwm/STAR_momentary firmware, |
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and are intended for use on ATTINY13A-based drivers with an electronic / |
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momentary switch. Testing and development was done on a Ferrero Rocher DD |
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driver built by Comfychair of BLF. This driver has red and green indicator |
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LEDs which are used to indicate approximate battery voltage, but that can be |
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disabled at compile time for use on other drivers. |
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http://budgetlightforum.com/node/30673 |
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Three different interfaces are provided: |
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- Ferrero_Rocher: Similar to STAR_momentary, but with enhancements. |
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- Ramping_UI_table: Smooth ramping UI. |
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- Baton: Stepped ramping UI. |
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The interfaces are described in the .txt files for each. |
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The red/green indicators are calibrated for the following: |
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- Green: Battery is at 3.6V or more. |
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- Yellow: Battery is at 3.3V to 3.6V. |
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- Red: Battery is below 3.3V. |
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The light may flicker between two colors when voltage is near a threshold. In |
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particular, it has a tendency to flicker between green and yellow in the 3.6V |
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to 3.9V range, especially if using phase-correct PWM instead of fast PWM. |
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Flickering will be reduced with the "LOWPASS_VOLTAGE" option enabled, or |
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increased with that option disabled. This is a matter of personal preference, |
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since the flickering can be used to get a better idea what the exact voltage |
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is, instead of using the coarse voltage ranges listed above. |
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Additionally, each time the light powers up, the main emitter should blink once |
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very briefly to let you know the batteries are connected. This can be disabled |
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at compile time. |