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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-07-27 00:14:38 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-07-27 00:14:38 +0000 |
| commit | a1f510576ad37d88d0985cf0ede02135c466d3a2 (patch) | |
| tree | a685efd6a9a049173f2c1a75e7edf83472f455e8 /nuttx/configs/stm3210e-eval/src/up_lcd.c | |
| parent | 14cfaf0623701b5b34b0da62bf7b55fd8cfaa7d2 (diff) | |
| download | px4-nuttx-a1f510576ad37d88d0985cf0ede02135c466d3a2.tar.gz px4-nuttx-a1f510576ad37d88d0985cf0ede02135c466d3a2.tar.bz2 px4-nuttx-a1f510576ad37d88d0985cf0ede02135c466d3a2.zip | |
PM update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4982 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/stm3210e-eval/src/up_lcd.c')
| -rw-r--r-- | nuttx/configs/stm3210e-eval/src/up_lcd.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/nuttx/configs/stm3210e-eval/src/up_lcd.c b/nuttx/configs/stm3210e-eval/src/up_lcd.c index 42da4864a..045f564c3 100644 --- a/nuttx/configs/stm3210e-eval/src/up_lcd.c +++ b/nuttx/configs/stm3210e-eval/src/up_lcd.c @@ -2,9 +2,13 @@ * configs/stm3210e-eval/src/up_lcd.c * arch/arm/src/board/up_lcd.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * + * With power management enhancements by: + * + * Author: Diego Sanchez <dsanchez@nx-engineering.com> + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -1187,7 +1191,7 @@ static void stm3210e_pm_notify(struct pm_callback_s *cb , enum pm_state_e pmstat duty--; } - /* Reduce the LCD light to 50% of the MAXPOWER */ + /* Reduce the LCD backlight to 50% of the MAXPOWER */ duty >>= 1; putreg16((uint16_t)duty, STM32_TIM1_CCR1); @@ -1197,7 +1201,7 @@ static void stm3210e_pm_notify(struct pm_callback_s *cb , enum pm_state_e pmstat case(PM_STANDBY): { - /* Entering STANDBY mode - Turn display off */ + /* Entering STANDBY mode - Turn display backlight off */ #ifdef CONFIG_LCD_PWM putreg16(0, STM32_TIM1_CCR1); @@ -1207,8 +1211,9 @@ static void stm3210e_pm_notify(struct pm_callback_s *cb , enum pm_state_e pmstat case(PM_SLEEP): { - /* Entering SLEEP mode - Logic for PM_SLEEP goes here */ + /* Entering SLEEP mode - Turn off LCD */ + (void)stm3210e_poweroff(); } break; |