diff options
Diffstat (limited to 'firmware/target/arm/rk27xx/ihifi/button-ihifi.c')
| -rw-r--r-- | firmware/target/arm/rk27xx/ihifi/button-ihifi.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/ihifi/button-ihifi.c b/firmware/target/arm/rk27xx/ihifi/button-ihifi.c new file mode 100644 index 0000000000..6477400255 --- /dev/null +++ b/firmware/target/arm/rk27xx/ihifi/button-ihifi.c @@ -0,0 +1,53 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 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" +#include "backlight.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); + int gpio_btn = GPIO_PCDR & BUTTON_PLAY; + + if (adc_val < 270) { + if (adc_val < 110) { /* 0 - 109 */ + return BUTTON_RETURN | gpio_btn; + } else { /* 110 - 269 */ + return BUTTON_MENU |gpio_btn; + } + } else { + if (adc_val < 420) { /* 270 - 419 */ + return BUTTON_BWD | gpio_btn; + } else if (adc_val < 580) { /* 420 - 579 */ + return BUTTON_FWD | gpio_btn; + } + } + return gpio_btn; +} + + |