FreeCalypso > hg > fc-tourmaline

annotate src/gpf/inc/CDG_LEAVE.h @ 72:7bf39f5e834d

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backlight control on Luna: switch PWL instead of LEDB This change is preliminary toward upcoming rework of backlight control logic in our UI firmware. LEDB does not exist on Tango-based platforms (it is not brought out on Tango modules), thus turning it on and off produces absolutely no effect beyond making L1 disable deep sleep when LEDB is turned on. However, both iWOW DSK and our upcoming FC Caramel2 boards have a PWL LED, so let's switch that LED on and off to indicate the state of the UI firmware's backlight control. Note that we are NOT switching the actual Luna LCD backlight here, even though it is trivially controlled with a GPIO. The reason for this seemingly strange choice is that we don't want to turn this development board LCD backlight off until we bring the higher-level backlight control logic up to par, including new logic to "swallow" the first keypress that turns on the darkened LCD.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 07:39:54 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
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2 +------------------------------------------------------------------------------
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 | File: cdg_leave.h
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4 +------------------------------------------------------------------------------
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5 | Copyright Texas Instruments AG Berlin 2002-2003, Berlin
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 | All rights reserved.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 |
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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8 | This file is confidential and a trade secret of Condat AG.
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9 | The receipt of or possession of this file does not convey
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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10 | any rights to reproduce or disclose its contents or to
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 | manufacture, use, or sell anything it may describe, in
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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12 | whole, or in part, without the specific written consent of
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 | Texas Instruments AG Berlin.
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14 +------------------------------------------------------------------------------
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 | Purpose: Epilog file for autogenerated files
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16 |
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17
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18 |
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19 | $Identity:$
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20 +------------------------------------------------------------------------------
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21 */
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22
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23 #ifdef CDG_ENTER__WARNING_OFF
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24 #error this stuff has been removed from \gpf\inc\cdg_enter.h
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25 #endif