diff options
Diffstat (limited to 'firmware/target/arm/rk27xx/hm60x/button-hm60x.c')
-rw-r--r-- | firmware/target/arm/rk27xx/hm60x/button-hm60x.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/hm60x/button-hm60x.c b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c new file mode 100644 index 0000000000..eaadaa131c --- /dev/null +++ b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c @@ -0,0 +1,46 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2011 Andrew Ryabinin + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "config.h" +#include "system.h" +#include "button.h" +#include "adc.h" + +void button_init_device(void) { + /* setup button gpio as input */ + GPIO_PCCON &= ~(POWEROFF_BUTTON); +} + +int button_read_device(void) { + int adc_val = adc_read(ADC_BUTTONS); + if (adc_val < 30) { + return BUTTON_UP | (GPIO_PCDR & POWEROFF_BUTTON); + } else if (adc_val < 250) { + return BUTTON_RIGHT | (GPIO_PCDR & POWEROFF_BUTTON); + } else if (adc_val < 380) { + return BUTTON_LEFT | (GPIO_PCDR & POWEROFF_BUTTON); + } else if (adc_val < 450) { + return BUTTON_DOWN | (GPIO_PCDR & POWEROFF_BUTTON); + } else if (adc_val < 560) { + return BUTTON_PLAY | (GPIO_PCDR & POWEROFF_BUTTON); + } + return (GPIO_PCDR & POWEROFF_BUTTON); +} |