From 8fb4aea70257a7dd45f2f9cd4902dc2a80f38c0d Mon Sep 17 00:00:00 2001 From: Thomas Martitz Date: Mon, 22 Jun 2009 22:24:58 +0000 Subject: FS#10284 - "Sansa e200v2 & Fuze: Merge the button driver into 1 file" by Dustin Skoracki Those two drivers were so similar, merging them is worth a few more #ifdefs. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21474 a1c6a512-1295-4272-9138-f99709370657 --- .../target/arm/as3525/sansa-e200v2/button-e200v2.c | 248 --------------------- 1 file changed, 248 deletions(-) delete mode 100644 firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c (limited to 'firmware/target/arm/as3525/sansa-e200v2') diff --git a/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c deleted file mode 100644 index 8170c1b895..0000000000 --- a/firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c +++ /dev/null @@ -1,248 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2006 by Barry Wardell - * - * 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. - * - ****************************************************************************/ - -/* Taken from button-h10.c by Barry Wardell and reverse engineering by MrH. */ - -#include "system.h" -#include "button.h" -#include "backlight.h" -#include "powermgmt.h" - - -static bool hold_button = false; -#ifndef BOOTLOADER -static bool hold_button_old = false; -#endif -static unsigned short _dbop_din = 0; -/* read_missed is true if buttons could not - * be read (see lcd_button_support) */ -static bool read_missed = false; - -#define WHEEL_REPEAT_INTERVAL (HZ/4) -/* in the lcd driver */ -extern bool lcd_button_support(void); - -void button_init_device(void) -{ - -} - -bool button_hold(void) -{ - return hold_button; -} - -#if !defined(BOOTLOADER) && defined(HAVE_SCROLLWHEEL) -static void scrollwheel(unsigned short dbop_din) -{ - /* current wheel values, parsed from dbop and the resulting button */ - unsigned wheel_value = 0; - unsigned btn = BUTTON_NONE; - /* old wheel values */ - static unsigned old_wheel_value = 0; - static unsigned old_btn = BUTTON_NONE; - - /* getting BUTTON_REPEAT works like this: Remember when the btn value was - * posted to the button_queue last, and if it was recent enough, generate - * BUTTON_REPEAT - */ - static long last_wheel_post = 0; - /* Repeat is used for the scrollwheel acceleration. If high enough then - * jump over some items */ - static unsigned repeat = 0; - /* we omit 1 of 2 posts to the button_queue, that works better, so count */ - static int counter = 0; - /* Read wheel - * Bits 13 and 14 of DBOP_DIN change as follows: - * Clockwise rotation 00 -> 01 -> 11 -> 10 -> 00 - * Counter-clockwise 00 -> 10 -> 11 -> 01 -> 00 - */ - static const unsigned char wheel_tbl[2][4] = - { - { 2, 0, 3, 1 }, /* Clockwise rotation */ - { 1, 3, 0, 2 }, /* Counter-clockwise */ - }; - - if(hold_button) - { - repeat = counter = 0; - return; - } - - wheel_value = dbop_din & (1<<13|1<<14); - wheel_value >>= 13; - - if (old_wheel_value == wheel_tbl[0][wheel_value]) - btn = BUTTON_SCROLL_FWD; - else if (old_wheel_value == wheel_tbl[1][wheel_value]) - btn = BUTTON_SCROLL_BACK; - - if (btn != BUTTON_NONE) - { - if (btn != old_btn) - { - /* direction reversals nullify repeats */ - old_btn = btn; - repeat = counter = 0; - } - /* wheel_delta will cause lists to jump over items, - * we want this for fast scrolling, but we must keep it accurate - * for slow scrolling */ - int wheel_delta = 0; - /* generate repeats if quick enough, scroll slightly too */ - if (TIME_BEFORE(current_tick, last_wheel_post + WHEEL_REPEAT_INTERVAL)) - { - btn |= BUTTON_REPEAT; - wheel_delta = repeat>>1; - } - - repeat += 3; - /* the wheel is more reliable if we don't send ever change, - * every 2th is basically one "physical click" is - * 1 item in the rockbox menus */ - if (++counter >= 2 && queue_empty(&button_queue)) - { - buttonlight_on(); - backlight_on(); - queue_post(&button_queue, btn, ((wheel_delta+1)<<24)); - /* message posted - reset count & last post to the queue */ - counter = 0; - last_wheel_post = current_tick; - } - } - if (repeat > 0 && !read_missed) - repeat--; - - old_wheel_value = wheel_value; -} -#endif /* !defined(BOOTLOADER) && defined(HAVE_SCROLLWHEEL) */ - -unsigned short button_read_dbop(void) -{ - /*write a red pixel */ - if (!lcd_button_support()) - { - read_missed = true; - } - if (!read_missed) - { - /* Set up dbop for input */ - while (!(DBOP_STAT & (1<<10))); /* Wait for fifo to empty */ - DBOP_CTRL |= (1<<19); /* Tri-state DBOP on read cycle */ - DBOP_CTRL &= ~(1<<16); /* disable output (1:write enabled) */ - DBOP_TIMPOL_01 = 0xe167e167; /* Set Timing & Polarity regs 0 & 1 */ - DBOP_TIMPOL_23 = 0xe167006e; /* Set Timing & Polarity regs 2 & 3 */ - - DBOP_CTRL |= (1<<15); /* start read */ - while (!(DBOP_STAT & (1<<16))); /* wait for valid data */ - - int delay=10; - while(delay--); /* short delay before reading */ - - _dbop_din = DBOP_DIN; /* Read dbop data*/ - - /* Reset dbop for output */ - DBOP_TIMPOL_01 = 0x6e167; /* Set Timing & Polarity regs 0 & 1 */ - DBOP_TIMPOL_23 = 0xa167e06f; /* Set Timing & Polarity regs 2 & 3 */ - DBOP_CTRL |= (1<<16); /* Enable output (0:write disable) */ - DBOP_CTRL &= ~(1<<19); /* Tri-state when no active write */ - } -#if !defined(BOOTLOADER) && defined(HAVE_SCROLLWHEEL) - scrollwheel(_dbop_din); -#endif - read_missed = false; - return _dbop_din; -} - -unsigned short button_dbop_data(void) -{ - return _dbop_din; -} - -/* - * Get button pressed from hardware - */ -int button_read_device(void) -{ - int btn = BUTTON_NONE; - /* read buttons from dbop */ - unsigned short dbop = button_read_dbop(); - - /* hold button */ - if(dbop & (1<<12)) - { - hold_button = true; - return btn; - } - else - { - hold_button = false; - } - - if (dbop & (1<<8)) - btn |= BUTTON_POWER; - - if (!(dbop & (1<<15))) - btn |= BUTTON_REC; - - /* Set afsel, so that we can read our buttons */ - GPIOC_AFSEL &= ~(1<<2|1<<3|1<<4|1<<5|1<<6); - /* set dir so we can read our buttons (but reset the C pins first) */ - GPIOB_DIR &= ~(1<<4); - GPIOC_DIR |= (1<<2|1<<3|1<<4|1<<5|1<<6); - GPIOC_PIN(2) = (1<<2); - GPIOC_PIN(3) = (1<<3); - GPIOC_PIN(4) = (1<<4); - GPIOC_PIN(5) = (1<<5); - GPIOC_PIN(6) = (1<<6); - - GPIOC_DIR &= ~(1<<2|1<<3|1<<4|1<<5|1<<6); - - int delay = 8; /* small delay needed to read buttons correctly */ - while(delay--); - - /* direct GPIO connections */ - if (!GPIOC_PIN(2)) - btn |= BUTTON_UP; - if (!GPIOC_PIN(3)) - btn |= BUTTON_LEFT; - if (!GPIOC_PIN(4)) - btn |= BUTTON_SELECT; - if (!GPIOC_PIN(5)) - btn |= BUTTON_RIGHT; - if (!GPIOC_PIN(6)) - btn |= BUTTON_DOWN; - - /* return to settings needed for lcd */ - GPIOC_DIR |= (1<<2|1<<3|1<<4|1<<5|1<<6); - GPIOC_AFSEL |= (1<<2|1<<3|1<<4|1<<5|1<<6); - -#ifndef BOOTLOADER - /* light handling */ - if (hold_button != hold_button_old) - { - hold_button_old = hold_button; - backlight_hold_changed(hold_button); - } -#endif /* BOOTLOADER */ - /* The int_btn variable is set in the button interrupt handler */ - return btn; -} -- cgit v1.2.3