diff options
Diffstat (limited to 'firmware/target/sh/archos/player/button-player.c')
-rwxr-xr-x | firmware/target/sh/archos/player/button-player.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/firmware/target/sh/archos/player/button-player.c b/firmware/target/sh/archos/player/button-player.c new file mode 100755 index 0000000000..fbc940f7de --- /dev/null +++ b/firmware/target/sh/archos/player/button-player.c @@ -0,0 +1,74 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 by Jens Arnold + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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 "backlight.h" +#include "adc.h" + +/* + Player hardware button hookup + ============================= + + Player + ------ + LEFT: AN0 + MENU: AN1 + RIGHT: AN2 + PLAY: AN3 + + STOP: PA11 + ON: PA5 + + All buttons are low active +*/ + +void button_init_device(void) +{ + /* set PA5 and PA11 as input pins */ + PACR1 &= 0xff3f; /* PA11MD = 00 */ + PACR2 &= 0xfbff; /* PA5MD = 0 */ + PAIOR &= ~0x0820; /* Inputs */ +} + +int button_read_device(void) +{ + int btn = BUTTON_NONE; + int data; + + /* buttons are active low */ + if (adc_read(0) < 0x180) + btn = BUTTON_LEFT; + if (adc_read(1) < 0x180) + btn |= BUTTON_MENU; + if (adc_read(2) < 0x180) + btn |= BUTTON_RIGHT; + if (adc_read(3) < 0x180) + btn |= BUTTON_PLAY; + + /* check port A pins for ON and STOP */ + data = PADR; + if ( !(data & 0x0020) ) + btn |= BUTTON_ON; + if ( !(data & 0x0800) ) + btn |= BUTTON_STOP; + + return btn; +} |