/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Daniel Stenberg * * iPod driver based on code from the ipodlinux project - http://ipodlinux.org * Adapted for Rockbox in December 2005 * Original file: linux/arch/armnommu/mach-ipod/keyboard.c * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org) * * * 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. * ****************************************************************************/ /* * Rockbox button functions */ #include #include "config.h" #include "cpu.h" #include "system.h" #include "button.h" #include "kernel.h" #include "backlight.h" #include "adc.h" #include "serial.h" #include "power.h" #include "system.h" #include "powermgmt.h" struct event_queue button_queue; static long lastbtn; /* Last valid button status */ static long last_read; /* Last button status, for debouncing/filtering */ #ifdef HAVE_LCD_BITMAP static bool flipped; /* buttons can be flipped to match the LCD flip */ #endif /* how often we check to see if a button is pressed */ #define POLL_FREQUENCY HZ/100 /* how long until repeat kicks in */ #define REPEAT_START 30 /* the speed repeat starts at */ #define REPEAT_INTERVAL_START 16 /* speed repeat finishes at */ #define REPEAT_INTERVAL_FINISH 5 /* the power-off button and number of repeated keys before shutting off */ #if (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) ||\ (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) #define POWEROFF_BUTTON BUTTON_PLAY #define POWEROFF_COUNT 40 #else #define POWEROFF_BUTTON BUTTON_OFF #define POWEROFF_COUNT 10 #endif static int button_read(void); #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) static bool remote_button_hold_only(void); #endif #if CONFIG_KEYPAD == IPOD_4G_PAD /* Variable to use for setting button status in interrupt handler */ int int_btn = BUTTON_NONE; static void opto_i2c_init(void) { int i, curr_value; /* wait for value to settle */ i = 1000; curr_value = (inl(0x7000c104) << 16) >> 24; while (i > 0) { int new_value = (inl(0x7000c104) << 16) >> 24; if (new_value != curr_value) { i = 10000; curr_value = new_value; } else { i--; } } GPIOB_OUTPUT_VAL |= 0x10; DEV_EN |= 0x10000; DEV_RS |= 0x10000; udelay(5); DEV_RS &= ~0x10000; /* finish reset */ outl(0xffffffff, 0x7000c120); outl(0xffffffff, 0x7000c124); outl(0xc00a1f00, 0x7000c100); outl(0x1000000, 0x7000c104); } static int ipod_4g_button_read(void) { unsigned reg, status; static int clickwheel_down = 0; static int old_wheel_value = -1; int wheel_keycode = BUTTON_NONE; int wheel_delta, wheel_delta_abs; int new_wheel_value; int btn = BUTTON_NONE; /* The ipodlinux source had a udelay(250) here, but testing has shown that it is not needed - tested on Nano, Color/Photo and Video. */ /* udelay(250);*/ reg = 0x7000c104; if ((inl(0x7000c104) & 0x4000000) != 0) { reg = reg + 0x3C; /* 0x7000c140 */ status = inl(0x7000c140); outl(0x0, 0x7000c140); /* clear interrupt status? */ if ((status & 0x800000ff) == 0x8000001a) { /* NB: highest wheel = 0x5F, clockwise increases */ new_wheel_value = ((status << 9) >> 25) & 0xff; if (status & 0x100) btn |= BUTTON_SELECT; if (status & 0x200) btn |= BUTTON_RIGHT; if (status & 0x400) btn |= BUTTON_LEFT; if (status & 0x800) btn |= BUTTON_PLAY; if (status & 0x1000) btn |= BUTTON_MENU; if (status & 0x40000000) { /* scroll wheel down */ clickwheel_down = 1; backlight_on(); if (old_wheel_value != -1) { wheel_delta = new_wheel_value - old_wheel_value; wheel_delta_abs = wheel_delta < 0 ? -wheel_delta : wheel_delta; if (wheel_delta_abs > 48) { if (old_wheel_value > new_wheel_value) /* wrapped around the top going clockwise */ wheel_delta += 96; else if (old_wheel_value < new_wheel_value) /* wrapped around the top going counterclockwise */ wheel_delta -= 96; } /* TODO: these thresholds should most definitely be settings, and we're probably going to want a more advanced scheme than this anyway. */ if (wheel_delta > 4) { wheel_keycode = BUTTON_SCROLL_FWD; old_wheel_value = new_wheel_value; } else if (wheel_delta < -4) { wheel_keycode = BUTTON_SCROLL_BACK; old_wheel_value = new_wheel_value; } if (wheel_keycode != BUTTON_NONE) queue_post(&button_queue, wheel_keycode, NULL); } else { old_wheel_value = new_wheel_value; } } else if (clickwheel_down) { /* scroll wheel up */ old_wheel_value = -1; clickwheel_down = 0; } } /* Don't know why this should be needed, let me know if you do. else if ((status & 0x800000FF) == 0x8000003A) { wheel_value = status & 0x800000FF; } */ else if (status == 0xffffffff) { opto_i2c_init(); } } if ((inl(reg) & 0x8000000) != 0) { outl(0xffffffff, 0x7000c120); outl(0xffffffff, 0x7000c124); } return btn; } void ipod_4g_button_int(void) { CPU_HI_INT_CLR = I2C_MASK; /* The following delay was 250 in the ipodlinux source, but 50 seems to work fine - tested on Nano, Color/Photo and Video. */ udelay(50); outl(0x0, 0x7000c140); int_btn = ipod_4g_button_read(); outl(inl(0x7000c104) | 0xC000000, 0x7000c104); outl(0x400a1f00, 0x7000c100); GPIOB_OUTPUT_VAL |= 0x10; CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = I2C_MASK; } #endif #if CONFIG_KEYPAD == IPOD_3G_PAD /* Variable to use for setting button status in interrupt handler */ int int_btn = BUTTON_NONE; /** * * */ void handle_scroll_wheel(int new_scroll, int was_hold, int reverse) { int wheel_keycode = BUTTON_NONE; static int prev_scroll = -1; static int scroll_state[4][4] = { {0, 1, -1, 0}, {-1, 0, 0, 1}, {1, 0, 0, -1}, {0, -1, 1, 0} }; if ( prev_scroll == -1 ) { prev_scroll = new_scroll; } else if (!was_hold) { switch (scroll_state[prev_scroll][new_scroll]) { case 1: if (reverse) { /* 'r' keypress */ wheel_keycode = BUTTON_SCROLL_FWD; } else { /* 'l' keypress */ wheel_keycode = BUTTON_SCROLL_BACK; } break; case -1: if (reverse) { /* 'l' keypress */ wheel_keycode = BUTTON_SCROLL_BACK; } else { /* 'r' keypress */ wheel_keycode = BUTTON_SCROLL_FWD; break; default: /* only happens if we get out of sync */ break; } } } if (wheel_keycode != BUTTON_NONE) queue_post(&button_queue, wheel_keycode, NULL); prev_scroll = new_scroll; } static int ipod_3g_button_read(void) { unsigned char source, state; static int was_hold = 0; int btn = BUTTON_NONE; /* * we need some delay for g3, cause hold generates several interrupts, * some of them delayed */ udelay(250); /* get source of interupts */ source = inb(0xcf000040); if (source) { /* get current keypad status */ state = inb(0xcf000030); outb(~state, 0xcf000060); if (was_hold && source == 0x40 && state == 0xbf) { /* ack any active interrupts */ outb(source, 0xcf000070); return BUTTON_NONE; } was_hold = 0; if ( source & 0x20 ) { /* 3g hold switch is active low */ btn |= BUTTON_HOLD; was_hold = 1; /* hold switch on 3g causes all outputs to go low */ /* we shouldn't interpret these as key presses */ goto done; } if (source & 0x1) { btn |= BUTTON_RIGHT; } if (source & 0x2) { btn |= BUTTON_SELECT; } if (source & 0x4) { btn |= BUTTON_PLAY; } if (source & 0x8) { btn |= BUTTON_LEFT; } if (source & 0x10) { btn |= BUTTON_MENU; } if (source & 0xc0) { handle_scroll_wheel((state & 0xc0) >> 6, was_hold, 0); } done: /* ack any active interrupts */ outb(source, 0xcf000070); } return btn; } void ipod_3g_button_int(void) { /** * Theire is other things to do but for now ... * TODO: implement this function in a better way **/ int_btn = ipod_3g_button_read(); } #endif static void button_tick(void) { static int tick = 0; static int count = 0; static int repeat_speed = REPEAT_INTERVAL_START; static int repeat_count = 0; static bool repeat = false; int diff; int btn; #if (CONFIG_KEYPAD == PLAYER_PAD) || (CONFIG_KEYPAD == RECORDER_PAD) /* Post events for the remote control */ btn = remote_control_rx(); if(btn) { queue_post(&button_queue, btn, NULL); } #endif /* only poll every X ticks */ if ( ++tick >= POLL_FREQUENCY ) { bool post = false; btn = button_read(); /* Find out if a key has been released */ diff = btn ^ lastbtn; if(diff && (btn & diff) == 0) { queue_post(&button_queue, BUTTON_REL | diff, NULL); } else { if ( btn ) { /* normal keypress */ if ( btn != lastbtn ) { post = true; repeat = false; repeat_speed = REPEAT_INTERVAL_START; } else /* repeat? */ { if ( repeat ) { count--; if (count == 0) { post = true; /* yes we have repeat */ repeat_speed--; if (repeat_speed < REPEAT_INTERVAL_FINISH) repeat_speed = REPEAT_INTERVAL_FINISH; count = repeat_speed; repeat_count++; /* Send a SYS_POWEROFF event if we have a device which doesn't shut down easily with the OFF key */ #ifdef HAVE_SW_POWEROFF #ifdef BUTTON_RC_STOP if ((btn == POWEROFF_BUTTON || btn == BUTTON_RC_STOP) && #else if (btn == POWEROFF_BUTTON && #endif #if defined(HAVE_CHARGING) && !defined(HAVE_POWEROFF_WHILE_CHARGING) !charger_inserted() && #endif repeat_count > POWEROFF_COUNT) { /* Tell the main thread that it's time to power off */ sys_poweroff(); /* Safety net for players without hardware poweroff */ if(repeat_count > POWEROFF_COUNT * 10) power_off(); } #endif } } else { if (count++ > REPEAT_START) { post = true; repeat = true; repeat_count = 0; /* initial repeat */ count = REPEAT_INTERVAL_START; } } } if ( post ) { if (repeat) queue_post(&button_queue, BUTTON_REPEAT | btn, NULL); else queue_post(&button_queue, btn, NULL); #ifdef HAVE_REMOTE_LCD if(btn & BUTTON_REMOTE) remote_backlight_on(); else #endif backlight_on(); reset_poweroff_timer(); } } else { repeat = false; count = 0; } } lastbtn = btn & ~(BUTTON_REL | BUTTON_REPEAT); tick = 0; } } long button_get(bool block) { struct event ev; if ( block || !queue_empty(&button_queue) ) { queue_wait(&button_queue, &ev); return ev.id; } return BUTTON_NONE; } long button_get_w_tmo(int ticks) { struct event ev; queue_wait_w_tmo(&button_queue, &ev, ticks); return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE; } void button_init(void) { /* hardware inits */ #if CONFIG_KEYPAD == IRIVER_H100_PAD /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */ GPIO1_FUNCTION |= 0x00100062; GPIO1_ENABLE &= ~0x00100060; #elif CONFIG_KEYPAD == IRIVER_H300_PAD /* Set GPIO9 and GPIO15 as general purpose inputs */ GPIO_ENABLE &= ~0x00008200; GPIO_FUNCTION |= 0x00008200; /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */ GPIO1_ENABLE &= ~0x00100060; GPIO1_FUNCTION |= 0x00100062; #elif CONFIG_KEYPAD == RECORDER_PAD /* Set PB4 and PB8 as input pins */ PBCR1 &= 0xfffc; /* PB8MD = 00 */ PBCR2 &= 0xfcff; /* PB4MD = 00 */ PBIOR &= ~0x0110; /* Inputs */ #elif CONFIG_KEYPAD == PLAYER_PAD /* set PA5 and PA11 as input pins */ PACR1 &= 0xff3f; /* PA11MD = 00 */ PACR2 &= 0xfbff; /* PA5MD = 0 */ PAIOR &= ~0x0820; /* Inputs */ #elif CONFIG_KEYPAD == ONDIO_PAD /* nothing to initialize here */ #elif CONFIG_KEYPAD == GMINI100_PAD /* nothing to initialize here */ #elif CONFIG_KEYPAD == IPOD_4G_PAD opto_i2c_init(); /* hold button - enable as input */ GPIOA_ENABLE |= 0x20; GPIOA_OUTPUT_EN &= ~0x20; /* hold button - set interrupt levels */ GPIOA_INT_LEV = ~(GPIOA_INPUT_VAL & 0x20); GPIOA_INT_CLR = GPIOA_INT_STAT & 0x20; /* enable interrupts */ GPIOA_INT_EN = 0x20; CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = I2C_MASK; #elif CONFIG_KEYPAD == IPOD_3G_PAD outb(~inb(GPIOA_INPUT_VAL), GPIOA_INT_LEV); outb(inb(GPIOA_INT_STAT), GPIOA_INT_CLR); outb(0xff, GPIOA_INT_EN); #endif /* CONFIG_KEYPAD */ queue_init(&button_queue); button_read(); lastbtn = button_read(); tick_add_task(button_tick); reset_poweroff_timer(); #ifdef HAVE_LCD_BITMAP flipped = false; #endif } #ifdef HAVE_LCD_BITMAP /* only bitmap displays can be flipped */ #if (CONFIG_KEYPAD != IPOD_3G_PAD) && (CONFIG_KEYPAD != IPOD_4G_PAD) /* * helper function to swap UP/DOWN, LEFT/RIGHT (and F1/F3 for Recorder) */ static int button_flip(int button) { int newbutton; newbutton = button & ~(BUTTON_UP | BUTTON_DOWN | BUTTON_LEFT | BUTTON_RIGHT #if CONFIG_KEYPAD == RECORDER_PAD | BUTTON_F1 | BUTTON_F3 #endif ); if (button & BUTTON_UP) newbutton |= BUTTON_DOWN; if (button & BUTTON_DOWN) newbutton |= BUTTON_UP; if (button & BUTTON_LEFT) newbutton |= BUTTON_RIGHT; if (button & BUTTON_RIGHT) newbutton |= BUTTON_LEFT; #if CONFIG_KEYPAD == RECORDER_PAD if (button & BUTTON_F1) newbutton |= BUTTON_F3; if (button & BUTTON_F3) newbutton |= BUTTON_F1; #endif return newbutton; } #else /* We don't flip the iPod's keypad yet*/ #define button_flip(x) (x) #endif /* * set the flip attribute * better only call this when the queue is empty */ void button_set_flip(bool flip) { if (flip != flipped) /* not the current setting */ { /* avoid race condition with the button_tick() */ int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL); lastbtn = button_flip(lastbtn); flipped = flip; set_irq_level(oldlevel); } } #endif /* HAVE_LCD_BITMAP */ /* Archos hardware button hookup ============================= Recorder / Recorder FM/V2 ------------------------- F1, F2, F3, UP: connected to AN4 through a resistor network DOWN, PLAY, LEFT, RIGHT: likewise connected to AN5 The voltage on AN4/ AN5 depends on which keys (or key combo) is pressed FM/V2 has PLAY and RIGHT switched compared to plain recorder ON: PB8, low active (plain recorder) / AN3, low active (fm/v2) OFF: PB4, low active (plain recorder) / AN2, high active (fm/v2) Player ------ LEFT: AN0 MENU: AN1 RIGHT: AN2 PLAY: AN3 STOP: PA11 ON: PA5 All buttons are low active Ondio ----- LEFT, RIGHT, UP, DOWN: connected to AN4 through a resistor network The voltage on AN4 depends on which keys (or key combo) is pressed OPTION: AN2, high active (assigned as MENU) ON/OFF: AN3, low active (assigned as OFF) */ #if CONFIG_KEYPAD == RECORDER_PAD #ifdef HAVE_FMADC /* FM Recorder super-special levels */ #define LEVEL1 150 #define LEVEL2 385 #define LEVEL3 545 #define LEVEL4 700 #define ROW2_BUTTON1 BUTTON_PLAY #define ROW2_BUTTON3 BUTTON_RIGHT #else /* plain bog standard Recorder levels */ #define LEVEL1 250 #define LEVEL2 500 #define LEVEL3 700 #define LEVEL4 900 #define ROW2_BUTTON1 BUTTON_RIGHT #define ROW2_BUTTON3 BUTTON_PLAY #endif /* HAVE_FMADC */ #elif CONFIG_KEYPAD == ONDIO_PAD /* Ondio levels */ #define LEVEL1 165 #define LEVEL2 415 #define LEVEL3 585 #define LEVEL4 755 #endif /* CONFIG_KEYPAD */ /* * Get button pressed from hardware */ static int button_read(void) { int btn = BUTTON_NONE; int retval; int data; #if CONFIG_KEYPAD == IRIVER_H100_PAD static bool hold_button = false; static bool remote_hold_button = false; /* light handling */ if (hold_button && !button_hold()) { backlight_on(); } if (remote_hold_button && !remote_button_hold_only()) { remote_backlight_on(); } hold_button = button_hold(); remote_hold_button = remote_button_hold_only(); /* normal buttons */ if (!hold_button) { data = adc_scan(ADC_BUTTONS); if (data < 0x80) if (data < 0x30) if (data < 0x18) btn = BUTTON_SELECT; else btn = BUTTON_UP; else if (data < 0x50) btn = BUTTON_LEFT; else btn = BUTTON_DOWN; else if (data < 0xb0) if (data < 0xa0) btn = BUTTON_RIGHT; else btn = BUTTON_OFF; else if (data < 0xd0) btn = BUTTON_MODE; else if (data < 0xf0) btn = BUTTON_REC; } /* remote buttons */ if (!remote_hold_button) { data = adc_scan(ADC_REMOTE); if (data < 0x74) if (data < 0x40) if (data < 0x20) if(data < 0x10) btn = BUTTON_RC_STOP; else btn = BUTTON_RC_VOL_DOWN; else btn = BUTTON_RC_MODE; else if (data < 0x58) btn = BUTTON_RC_VOL_UP; else btn = BUTTON_RC_BITRATE; else if (data < 0xb0) if (data < 0x88) btn = BUTTON_RC_REC; else btn = BUTTON_RC_SOURCE; else if (data < 0xd8) if(data < 0xc0) btn = BUTTON_RC_FF; else btn = BUTTON_RC_MENU; else if (data < 0xf0) btn = BUTTON_RC_REW; } /* special buttons */ data = GPIO1_READ; if (!hold_button && ((data & 0x20) == 0)) btn |= BUTTON_ON; if (!remote_hold_button && ((data & 0x40) == 0)) btn |= BUTTON_RC_ON; #elif CONFIG_KEYPAD == IRIVER_H300_PAD static bool hold_button = false; static bool remote_hold_button = false; /* light handling */ if (hold_button && !button_hold()) { backlight_on(); } if (remote_hold_button && !remote_button_hold_only()) { remote_backlight_on(); } hold_button = button_hold(); remote_hold_button = remote_button_hold_only(); /* normal buttons */ if (!hold_button) { data = adc_scan(ADC_BUTTONS); if (data < 0x54) if (data < 0x30) if (data < 0x10) btn = BUTTON_SELECT; else btn = BUTTON_UP; else btn = BUTTON_LEFT; else if (data < 0x98) if (data < 0x76) btn = BUTTON_DOWN; else btn = BUTTON_RIGHT; else if(data < 0xba) btn = BUTTON_OFF; } /* remote buttons */ if (!remote_hold_button) { data = adc_scan(ADC_REMOTE); if (data < 0x74) if (data < 0x40) if (data < 0x20) if(data < 0x10) btn = BUTTON_RC_STOP; else btn = BUTTON_RC_VOL_DOWN; else btn = BUTTON_RC_MODE; else if (data < 0x58) btn = BUTTON_RC_VOL_UP; else btn = BUTTON_RC_BITRATE; else if (data < 0xb0) if (data < 0x88) btn = BUTTON_RC_REC; else btn = BUTTON_RC_SOURCE; else if (data < 0xd8) if(data < 0xc0) btn = BUTTON_RC_FF; else btn = BUTTON_RC_MENU; else if (data < 0xf0) btn = BUTTON_RC_REW; } /* special buttons */ if (!hold_button) { data = GPIO_READ; if ((data & 0x0200) == 0) btn |= BUTTON_MODE; if ((data & 0x8000) == 0) btn |= BUTTON_REC; } data = GPIO1_READ; if (!hold_button && ((data & 0x20) == 0)) btn |= BUTTON_ON; if (!remote_hold_button && ((data & 0x40) == 0)) btn |= BUTTON_RC_ON; #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD static bool hold_button = false; /* light handling */ if (hold_button && !button_hold()) { backlight_on(); } hold_button = button_hold(); /* normal buttons */ if (!button_hold()) { data = adc_read(ADC_BUTTONS); if (data < 0x151) if (data < 0xc7) if (data < 0x41) btn = BUTTON_LEFT; else btn = BUTTON_RIGHT; else btn = BUTTON_SELECT; else if (data < 0x268) if (data < 0x1d7) btn = BUTTON_UP; else btn = BUTTON_DOWN; else if (data < 0x2f9) btn = BUTTON_EQ; else if (data < 0x35c) btn = BUTTON_MODE; } if (!button_hold() && (adc_read(ADC_BUTTON_PLAY) < 0x64)) btn |= BUTTON_PLAY; #elif CONFIG_KEYPAD == RECORDER_PAD #ifdef HAVE_FMADC if ( adc_read(ADC_BUTTON_ON) < 512 ) btn |= BUTTON_ON; if ( adc_read(ADC_BUTTON_OFF) > 512 ) btn |= BUTTON_OFF; #else /* check port B pins for ON and OFF */ data = PBDR; if ((data & 0x0100) == 0) btn |= BUTTON_ON; if ((data & 0x0010) == 0) btn |= BUTTON_OFF; #endif /* check F1..F3 and UP */ data = adc_read(ADC_BUTTON_ROW1); if (data >= LEVEL4) btn |= BUTTON_F3; else if (data >= LEVEL3) btn |= BUTTON_UP; else if (data >= LEVEL2) btn |= BUTTON_F2; else if (data >= LEVEL1) btn |= BUTTON_F1; /* Some units have mushy keypads, so pressing UP also activates the Left/Right buttons. Let's combat that by skipping the AN5 checks when UP is pressed. */ if(!(btn & BUTTON_UP)) { /* check DOWN, PLAY, LEFT, RIGHT */ data = adc_read(ADC_BUTTON_ROW2); if (data >= LEVEL4) btn |= BUTTON_DOWN; else if (data >= LEVEL3) btn |= ROW2_BUTTON3; else if (data >= LEVEL2) btn |= BUTTON_LEFT; else if (data >= LEVEL1) btn |= ROW2_BUTTON1; } #elif CONFIG_KEYPAD == PLAYER_PAD /* 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; #elif CONFIG_KEYPAD == ONDIO_PAD if(adc_read(ADC_BUTTON_OPTION) > 0x200) /* active high */ btn |= BUTTON_MENU; if(adc_read(ADC_BUTTON_ONOFF) < 0x120) /* active low */ btn |= BUTTON_OFF; /* Check the 4 direction keys */ data = adc_read(ADC_BUTTON_ROW1); if (data >= LEVEL4) btn |= BUTTON_LEFT; else if (data >= LEVEL3) btn |= BUTTON_RIGHT; else if (data >= LEVEL2) btn |= BUTTON_UP; else if (data >= LEVEL1) btn |= BUTTON_DOWN; #elif CONFIG_KEYPAD == GMINI100_PAD if (adc_read(7) < 0xE3) btn |= BUTTON_LEFT; else if (adc_read(7) < 0x1c5) btn |= BUTTON_DOWN; else if (adc_read(7) < 0x2a2) btn |= BUTTON_RIGHT; else if (adc_read(7) < 0x38a) btn |= BUTTON_UP; if (adc_read(6) < 0x233) btn |= BUTTON_OFF; else if (adc_read(6) < 0x288) btn |= BUTTON_PLAY; else if (adc_read(6) < 0x355) btn |= BUTTON_MENU; data = P7; if (data & 0x01) btn |= BUTTON_ON; #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) (void)data; /* The int_btn variable is set in the button interrupt handler */ btn = int_btn; #endif /* CONFIG_KEYPAD */ #ifdef HAVE_LCD_BITMAP if (btn && flipped) btn = button_flip(btn); /* swap upside down */ #endif /* Filter the button status. It is only accepted if we get the same status twice in a row. */ if (btn != last_read) retval = lastbtn; else retval = btn; last_read = btn; return retval; } #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) bool button_hold(void) { return (GPIO1_READ & 0x00000002)?true:false; } static bool remote_button_hold_only(void) { return (GPIO1_READ & 0x00100000)?true:false; } bool remote_button_hold(void) { return ((GPIO_READ & 0x40000000) == 0)?remote_button_hold_only():false; } #endif #if CONFIG_KEYPAD == IRIVER_IFP7XX_PAD bool button_hold(void) { return (GPIO5_READ & 4) ? false : true; } #endif #if (CONFIG_KEYPAD == IAUDIO_X5_PAD) bool button_hold(void) { return (GPIO_READ & 0x08000000)?true:false; } bool remote_button_hold(void) { return false; /* TODO X5 */ } #endif int button_status(void) { return lastbtn; } void button_clear_queue(void) { queue_clear(&button_queue); }