Mercurial > louis > kiibohd-controller
annotate Scan/STLcd/capabilities.kll @ 351:38395a57cf52
Adding 16-bit brightness control to LCD backlight
author | Jacob Alexander <haata@kiibohd.com> |
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date | Sat, 01 Aug 2015 21:59:43 -0700 |
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children | 99b567a3b1f2 |
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Adding 16-bit brightness control to LCD backlight
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1 Name = STLcdCapabilities; |
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2 Version = 0.1; |
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3 Author = "HaaTa (Jacob Alexander) 2015"; |
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4 KLL = 0.3c; |
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5 |
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6 # Modified Date |
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7 Date = 2015-08-01; |
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8 |
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9 # Defines available to the STLcd sub-module |
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10 |
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11 # PWM Prescalar |
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12 # In general this can be left alone |
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13 # A higher prescalar should be lower power usage (less switching) |
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14 # However, flickering may be noticeable. |
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15 # |
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16 # Here's a calculation table valid at a 72 MHz system clock |
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17 # Prescalars range from 0 to 7 (1 to 128) |
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18 # 0 - 72 MHz - Highest power usage/best result |
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19 # 1 - 36 MHz |
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20 # 2 - 18 MHz |
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21 # 3 - 9 MHz - Slightly visible flicker (peripheral vision) |
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22 # 4 - 4 500 kHz - Visible flickering |
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23 # 5 - 2 250 kHz |
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24 # 6 - 1 125 kHz |
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25 # 7 - 562 500 Hz |
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26 # Defaulting to no prescalar, looks the best |
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27 STLcdBacklightPrescalar => STLcdBacklightPrescalar_define; |
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28 STLcdBacklightPrescalar = 0; |
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29 |
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30 # Default Backlight Channel Brightness |
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31 # There are 3 channels, RGB |
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32 # In order to get other colors you must mix the 3 colors |
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33 # Each channel is a 16-bit register (65536 levels) |
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34 # Technically, this means, the backlight is a 48-bit RGB pixel |
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35 # In practice, it may be difficult to get color consistency at times if too bright or too dim |
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36 STLcdBacklightRed => STLcdBacklightRed_define; |
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37 STLcdBacklightGreen => STLcdBacklightGreen_define; |
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38 STLcdBacklightBlue => STLcdBacklightBlue_define; |
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39 |
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40 # Defaults to 6% brightness, white |
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41 STLcdBacklightRed = 0xFFF; |
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42 STLcdBacklightGreen = 0xFFF; |
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43 STLcdBacklightBlue = 0xFFF; |
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44 |