From 2392bb41996963c6683253114bdfb3174146e7dc Mon Sep 17 00:00:00 2001 From: Rafaël Carré Date: Thu, 31 Dec 2009 19:15:20 +0000 Subject: FS#10047 : Clipv2 Reuse some code from Clip (LCD) and a lot of code from AS3525 Add a new CPU type : AS3525v2, identical to AS3525 except it's an ARMv5 (arm926-ejs) SD code still not working For an unknown reason LCD doesn't work anymore (to be investigated) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24131 a1c6a512-1295-4272-9138-f99709370657 --- .../target/arm/as3525/sansa-clipv2/button-clip.c | 108 +++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 firmware/target/arm/as3525/sansa-clipv2/button-clip.c (limited to 'firmware/target/arm/as3525/sansa-clipv2/button-clip.c') diff --git a/firmware/target/arm/as3525/sansa-clipv2/button-clip.c b/firmware/target/arm/as3525/sansa-clipv2/button-clip.c new file mode 100644 index 0000000000..4291665e3d --- /dev/null +++ b/firmware/target/arm/as3525/sansa-clipv2/button-clip.c @@ -0,0 +1,108 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 François Dinel + * Copyright © 2008-2009 Rafaël Carré + * + * 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 "button-target.h" +#include "as3525v2.h" +#include "kernel.h" + +/* FIXME : use Clipv1 like driver (FS#10285) */ + +void button_init_device(void) +{ + GPIOA_DIR &= ~((1<<7) | (1<<3)); + GPIOD_DIR &= ~((1<<2) | (1<<1) | (1<<0)); + GPIOD_PIN(3) = 1<<3; + GPIOD_PIN(4) = 1<<4; + GPIOD_PIN(5) = 1<<5; + GPIOD_DIR |= ((1<<5) | (1<<4) | (1<<3)); +} + +int button_read_device(void) +{ + int result = 0; + static unsigned power_counter = 0; + + if(button_hold()) + { + power_counter = HZ; + return 0; + } + + /* direct GPIO connections */ + /* read power, but not if hold button was just released, since + * you basically always hit power due to the slider mechanism after + * releasing hold (wait 1 sec) */ + if (power_counter) + power_counter--; + + if (GPIOA_PIN(7) && !power_counter) + result |= BUTTON_POWER; + + /* This is a keypad using D3-D5 as columns and D0-D2 as rows */ + + GPIOD_PIN(3) = 0x00; /* activate D3 */ + asm volatile ("nop\nnop\nnop\nnop\nnop\n"); /* wait a bit for reliable results */ + + /* D3D0 is unused */ + + if (!GPIOD_PIN(1)) + result |= BUTTON_VOL_UP; + + if (!GPIOD_PIN(2)) + result |= BUTTON_UP; + + GPIOD_PIN(3) = 1<<3; + + GPIOD_PIN(4) = 0x00; /* activate D4 */ + asm volatile ("nop\nnop\nnop\nnop\nnop\n"); + + if (!GPIOD_PIN(0)) + result |= BUTTON_LEFT; + + if (!GPIOD_PIN(1)) + result |= BUTTON_SELECT; + + if (!GPIOD_PIN(2)) + result |= BUTTON_RIGHT; + + GPIOD_PIN(4) = 1<<4; + + GPIOD_PIN(5) = 0x00; /* activate D5 */ + asm volatile ("nop\nnop\nnop\nnop\nnop\n"); + + if (!GPIOD_PIN(0)) + result |= BUTTON_DOWN; + + if (!GPIOD_PIN(1)) + result |= BUTTON_VOL_DOWN; + + if (!GPIOD_PIN(2)) + result |= BUTTON_HOME; + + GPIOD_PIN(5) = 1<<5; + + return result; +} + +bool button_hold(void) +{ + return (GPIOA_PIN(3) != 0); +} -- cgit v1.2.3