d7b4645f5c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3110 a1c6a512-1295-4272-9138-f99709370657
345 lines
8.3 KiB
C
345 lines
8.3 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Daniel Stenberg
|
|
*
|
|
* 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.
|
|
*
|
|
****************************************************************************/
|
|
/*
|
|
* Archos Jukebox Recorder button functions
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include "config.h"
|
|
#include "sh7034.h"
|
|
#include "system.h"
|
|
#include "button.h"
|
|
#include "kernel.h"
|
|
#include "backlight.h"
|
|
#include "adc.h"
|
|
#include "serial.h"
|
|
#include "power.h"
|
|
|
|
struct event_queue button_queue;
|
|
|
|
long last_keypress;
|
|
|
|
/* how often we check to see if a button is pressed */
|
|
#define POLL_FREQUENCY HZ/20
|
|
|
|
/* how long until repeat kicks in */
|
|
#define REPEAT_START 6
|
|
|
|
/* the speed repeat starts at */
|
|
#define REPEAT_INTERVAL_START 4
|
|
|
|
/* speed repeat finishes at */
|
|
#define REPEAT_INTERVAL_FINISH 2
|
|
|
|
static int button_read(void);
|
|
|
|
static void button_tick(void)
|
|
{
|
|
static int tick = 0;
|
|
static int count = 0;
|
|
static int lastbtn = 0;
|
|
static int repeat_speed = REPEAT_INTERVAL_START;
|
|
static bool repeat = false;
|
|
int diff;
|
|
int btn;
|
|
|
|
/* Post events for the remote control */
|
|
btn = remote_control_rx();
|
|
if(btn)
|
|
{
|
|
queue_post(&button_queue, btn, NULL);
|
|
queue_post(&button_queue, btn | BUTTON_REL, NULL);
|
|
backlight_on();
|
|
}
|
|
|
|
/* 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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (count++ > REPEAT_START)
|
|
{
|
|
post = true;
|
|
repeat = true;
|
|
/* initial repeat */
|
|
count = REPEAT_INTERVAL_START;
|
|
|
|
/* Reboot if the OFF button is pressed long enough
|
|
and we are connected to a charger. */
|
|
#ifdef HAVE_RECORDER_KEYPAD
|
|
if(btn == BUTTON_OFF && charger_inserted())
|
|
#elif HAVE_PLAYER_KEYPAD
|
|
if(btn == BUTTON_STOP && charger_inserted())
|
|
#endif
|
|
system_reboot();
|
|
}
|
|
}
|
|
}
|
|
if ( post )
|
|
{
|
|
if(repeat)
|
|
queue_post(&button_queue, BUTTON_REPEAT | btn, NULL);
|
|
else
|
|
queue_post(&button_queue, btn, NULL);
|
|
backlight_on();
|
|
|
|
last_keypress = current_tick;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
repeat = false;
|
|
count = 0;
|
|
}
|
|
|
|
lastbtn = btn & ~(BUTTON_REL | BUTTON_REPEAT);
|
|
tick = 0;
|
|
}
|
|
|
|
backlight_tick();
|
|
}
|
|
|
|
int button_get(bool block)
|
|
{
|
|
struct event ev;
|
|
|
|
if ( block || !queue_empty(&button_queue) ) {
|
|
queue_wait(&button_queue, &ev);
|
|
return ev.id;
|
|
}
|
|
return BUTTON_NONE;
|
|
}
|
|
|
|
int button_get_w_tmo(int ticks)
|
|
{
|
|
struct event ev;
|
|
unsigned int timeout = current_tick + ticks;
|
|
|
|
while (TIME_BEFORE( current_tick, timeout ))
|
|
{
|
|
if(!queue_empty(&button_queue))
|
|
{
|
|
queue_wait(&button_queue, &ev);
|
|
return ev.id;
|
|
}
|
|
yield();
|
|
}
|
|
|
|
return BUTTON_NONE;
|
|
}
|
|
|
|
#ifdef HAVE_RECORDER_KEYPAD
|
|
|
|
/* AJBR buttons are connected to the CPU as follows:
|
|
*
|
|
* ON and OFF are connected to separate port B input pins.
|
|
*
|
|
* F1, F2, F3, and UP are connected to the AN4 analog input, each through
|
|
* a separate voltage divider. The voltage on AN4 depends on which button
|
|
* (or none, or a combination) is pressed.
|
|
*
|
|
* DOWN, PLAY, LEFT, and RIGHT are likewise connected to AN5. */
|
|
|
|
/* Button analog voltage levels */
|
|
#ifdef HAVE_FMADC
|
|
/* FM Recorder super-special levels */
|
|
#define LEVEL1 150
|
|
#define LEVEL2 385
|
|
#define LEVEL3 545
|
|
#define LEVEL4 700
|
|
#else
|
|
/* plain bog standard Recorder levels */
|
|
#define LEVEL1 250
|
|
#define LEVEL2 500
|
|
#define LEVEL3 700
|
|
#define LEVEL4 900
|
|
#endif
|
|
|
|
/*
|
|
*Initialize buttons
|
|
*/
|
|
void button_init()
|
|
{
|
|
#ifndef SIMULATOR
|
|
/* Set PB4 and PB8 as input pins */
|
|
PBCR1 &= 0xfffc; /* PB8MD = 00 */
|
|
PBCR2 &= 0xfcff; /* PB4MD = 00 */
|
|
PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */
|
|
#endif
|
|
queue_init(&button_queue);
|
|
tick_add_task(button_tick);
|
|
}
|
|
|
|
/*
|
|
* Get button pressed from hardware
|
|
*/
|
|
static int button_read(void)
|
|
{
|
|
int btn = BUTTON_NONE;
|
|
|
|
/* Check port B pins for ON and OFF */
|
|
int data;
|
|
|
|
#ifdef HAVE_FMADC
|
|
/* TODO: use proper defines here, and not the numerics in the
|
|
function argument */
|
|
if ( adc_read(3) < 512 )
|
|
btn |= BUTTON_ON;
|
|
if ( adc_read(2) > 512 )
|
|
btn |= BUTTON_OFF;
|
|
#else
|
|
data = PBDR;
|
|
if ((data & PBDR_BTN_ON) == 0)
|
|
btn |= BUTTON_ON;
|
|
else if ((data & PBDR_BTN_OFF) == 0)
|
|
btn |= BUTTON_OFF;
|
|
#endif
|
|
|
|
/* Check F1-3 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) {
|
|
#ifdef HAVE_FMADC
|
|
btn |= BUTTON_RIGHT;
|
|
#else
|
|
btn |= BUTTON_PLAY;
|
|
#endif
|
|
}
|
|
else if (data >= LEVEL2)
|
|
btn |= BUTTON_LEFT;
|
|
else if (data >= LEVEL1) {
|
|
#ifdef HAVE_FMADC
|
|
btn |= BUTTON_PLAY;
|
|
#else
|
|
btn |= BUTTON_RIGHT;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return btn;
|
|
}
|
|
|
|
#elif HAVE_PLAYER_KEYPAD
|
|
|
|
/* The player has two buttons on port pins:
|
|
|
|
STOP: PA11
|
|
ON: PA5
|
|
|
|
The rest are on analog inputs:
|
|
|
|
LEFT: AN0
|
|
MENU: AN1
|
|
RIGHT: AN2
|
|
PLAY: AN3
|
|
*/
|
|
|
|
void button_init(void)
|
|
{
|
|
/* set port pins as input */
|
|
PAIOR &= ~0x820;
|
|
queue_init(&button_queue);
|
|
tick_add_task(button_tick);
|
|
|
|
last_keypress = current_tick;
|
|
}
|
|
|
|
static int button_read(void)
|
|
{
|
|
int porta = PADR;
|
|
int btn = BUTTON_NONE;
|
|
|
|
/* 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 | BUTTON_UP;
|
|
|
|
if ( !(porta & 0x20) )
|
|
btn |= BUTTON_ON;
|
|
if ( !(porta & 0x800) )
|
|
btn |= BUTTON_STOP | BUTTON_DOWN;
|
|
|
|
return btn;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* -----------------------------------------------------------------
|
|
* local variables:
|
|
* eval: (load-file "../rockbox-mode.el")
|
|
* end:
|
|
*/
|