80f1688423
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14909 a1c6a512-1295-4272-9138-f99709370657
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Karl Kurbjun
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "button.h"
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#include "kernel.h"
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#include "backlight.h"
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#include "adc.h"
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#include "system.h"
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#include "backlight-target.h"
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#include "uart-target.h"
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#define BUTTON_TIMEOUT 50
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#define BUTTON_START_BYTE 0xF0
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#define BUTTON_START_BYTE2 0xF4 /* not sure why, but sometimes you get F0 or F4, */
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/* but always the same one for the session? */
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void button_init_device(void)
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{
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/* GIO is the power button, set as input */
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IO_GIO_DIR0 |= 0x01;
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}
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inline bool button_hold(void)
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{
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return false;
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}
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int button_read_device(void)
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{
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char data[5], c;
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int i = 0;
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int btn = BUTTON_NONE;
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if ((IO_GIO_BITSET0&0x01) == 0)
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btn |= BUTTON_POWER;
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uart1_heartbeat();
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while (uartAvailable())
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{
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if (uart1_getch(&c))
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{
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if (i && (data[0] == BUTTON_START_BYTE || data[0] == BUTTON_START_BYTE2))
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{
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data[i++] = c;
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}
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else if (c == BUTTON_START_BYTE ||
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c == BUTTON_START_BYTE2)
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{
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data[0] = c;
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i = 1;
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}
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if (i == 5)
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{
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if (data[1]& (1<<7))
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btn |= BUTTON_RC_HEART;
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if (data[1]& (1<<6))
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btn |= BUTTON_RC_MODE;
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if (data[1]& (1<<5))
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btn |= BUTTON_RC_VOL_DOWN;
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if (data[1]& (1<<4))
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btn |= BUTTON_RC_VOL_UP;
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if (data[1]& (1<<3))
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btn |= BUTTON_RC_REW;
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if (data[1]& (1<<2))
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btn |= BUTTON_RC_FF;
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if (data[1]& (1<<1))
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btn |= BUTTON_RC_DOWN;
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if (data[1]& (1<<0))
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btn |= BUTTON_RC_PLAY;
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break;
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}
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}
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}
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return btn;
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}
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