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rockbox/apps/plugins/rockboy/sys_rockbox.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Michiel van der Kolk, 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 "rockmacros.h"
#include "fb.h"
#include "input.h"
#include "lcd-gb.h"
#include "hw.h"
#include "config.h"
#if (CONFIG_KEYPAD == SANSA_E200_PAD)
#define ROCKBOY_SCROLLWHEEL
#define ROCKBOY_SCROLLWHEEL_CC BUTTON_SCROLL_UP
#define ROCKBOY_SCROLLWHEEL_CW BUTTON_SCROLL_DOWN
#endif
struct fb fb IBSS_ATTR;
extern int debug_trace;
unsigned int oldbuttonstate = 0, newbuttonstate,holdbutton;
#ifdef HAVE_WHEEL_POSITION
int oldwheel = -1, wheel;
static int wheelmap[8] = {
PAD_UP, /* Top */
PAD_A, /* Top-right */
PAD_RIGHT, /* Right */
PAD_START, /* Bottom-right */
PAD_DOWN, /* Bottom */
PAD_SELECT, /* Bottom-left */
PAD_LEFT, /* Left */
PAD_B /* Top-left */
};
#endif
int released, pressed;
#ifdef ROCKBOY_SCROLLWHEEL
/* Scrollwheel events are posted directly and not polled by the button
driver - synthesize polling */
static inline unsigned int read_scroll_wheel(void)
{
unsigned int buttons = BUTTON_NONE;
unsigned int btn;
/* Empty out the button queue and see if any scrollwheel events were
posted */
do
{
btn = rb->button_get_w_tmo(0);
buttons |= btn;
}
while (btn != BUTTON_NONE);
return buttons & (ROCKBOY_SCROLLWHEEL_CC | ROCKBOY_SCROLLWHEEL_CW);
}
#endif
void ev_poll(void)
{
event_t ev;
newbuttonstate = rb->button_status();
#ifdef ROCKBOY_SCROLLWHEEL
newbuttonstate |= read_scroll_wheel();
#endif
released = ~newbuttonstate & oldbuttonstate;
pressed = newbuttonstate & ~oldbuttonstate;
oldbuttonstate = newbuttonstate;
#if (LCD_WIDTH == 160) && (LCD_HEIGHT == 128) && (LCD_DEPTH == 2)
if (rb->button_hold()&~holdbutton)
fb.mode=(fb.mode+1)%4;
holdbutton=rb->button_hold();
#elif CONFIG_KEYPAD == RECORDER_PAD
if (pressed & BUTTON_ON)
fb.mode=(fb.mode+1)%4;
#endif
#ifdef HAVE_WHEEL_POSITION
/* Get the current wheel position - 0..95 or -1 for untouched */
wheel = rb->wheel_status();
/* Convert to number from 0 to 7 - clockwise from top */
if ( wheel > 0 ){
wheel += 6;
wheel /= 12;
if ( wheel > 7 ) wheel = 0;
}
if ( wheel != oldwheel ) {
if (oldwheel >= 0) {
ev.type = EV_RELEASE;
ev.code = wheelmap[oldwheel];
ev_postevent(&ev);
}
if (wheel >= 0) {
ev.type = EV_PRESS;
ev.code = wheelmap[wheel];
ev_postevent(&ev);
}
}
oldwheel = wheel;
if(released) {
ev.type = EV_RELEASE;
if ( released & (~BUTTON_SELECT) ) { ev.code=PAD_B; ev_postevent(&ev); }
if ( released & BUTTON_SELECT ) { ev.code=PAD_A; ev_postevent(&ev); }
}
if(pressed) { /* button press */
ev.type = EV_PRESS;
if ( pressed & (~BUTTON_SELECT) ) { ev.code=PAD_B; ev_postevent(&ev); }
if ( pressed & BUTTON_SELECT ) { ev.code=PAD_A; ev_postevent(&ev); }
}
#else
if(released) {
ev.type = EV_RELEASE;
if(released & options.LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
if(released & options.RIGHT) {ev.code=PAD_RIGHT; ev_postevent(&ev);}
if(released & options.DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
if(released & options.UP) { ev.code=PAD_UP; ev_postevent(&ev); }
if(released & options.A) { ev.code=PAD_A; ev_postevent(&ev); }
if(released & options.B) { ev.code=PAD_B; ev_postevent(&ev); }
if(released & options.START) {
ev.code=PAD_START;
ev_postevent(&ev);
}
if(released & options.SELECT) {
ev.code=PAD_SELECT;
ev_postevent(&ev);
}
}
if(pressed) { /* button press */
ev.type = EV_PRESS;
if(pressed & options.LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
if(pressed & options.RIGHT) { ev.code=PAD_RIGHT; ev_postevent(&ev);}
if(pressed & options.DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
if(pressed & options.UP) { ev.code=PAD_UP; ev_postevent(&ev); }
if(pressed & options.A) { ev.code=PAD_A; ev_postevent(&ev); }
if(pressed & options.B) { ev.code=PAD_B; ev_postevent(&ev); }
if(pressed & options.START) {
ev.code=PAD_START;
ev_postevent(&ev);
}
if(pressed & options.SELECT) {
ev.code=PAD_SELECT;
ev_postevent(&ev);
}
#endif
#if CONFIG_KEYPAD == IPOD_4G_PAD
if(rb->button_hold()) {
#else
if(pressed & options.MENU) {
#endif
#if (CONFIG_KEYPAD != RECORDER_PAD)
#ifdef HAVE_WHEEL_POSITION
rb->wheel_send_events(true);
#endif
if (do_user_menu() == USER_MENU_QUIT)
#endif
{
die("");
cleanshut=1;
}
#ifdef HAVE_WHEEL_POSITION
rb->wheel_send_events(false);
#endif
}
#ifndef HAVE_WHEEL_POSITION
}
#endif
}
/* New frameskip, makes more sense to me and performs as well */
inline void vid_begin(void)
{
static int skip = 0;
if (skip<options.frameskip)
{
skip++;
fb.enabled=0;
}
else
{
skip=0;
fb.enabled=1;
}
}
void vid_init(void)
{
fb.enabled=1;
fb.ptr=rb->lcd_framebuffer;
#if defined(HAVE_LCD_COLOR)
fb.cc[0].r = 3; /* 8-5 (wasted bits on red) */
fb.cc[0].l = 11; /* this is the offset to the R bits (16-5) */
fb.cc[1].r = 2; /* 8-6 (wasted bits on green) */
fb.cc[1].l = 5; /* This is the offset to the G bits (16-5-6) */
fb.cc[2].r = 3; /* 8-5 (wasted bits on red) */
fb.cc[2].l = 0; /* This is the offset to the B bits (16-5-6-5) */
#else
fb.mode=3;
#endif
}
#if !defined(HAVE_LCD_COLOR)
/* Color targets are handled in lcd.c */
fb_data *frameb;
void vid_update(int scanline)
{
register int cnt=0;
int scanline_remapped;
#if (LCD_HEIGHT == 64) && (LCD_DEPTH == 1) /* Archos */
int balance = 0;
if (fb.mode==1)
scanline-=16;
else if (fb.mode==2)
scanline-=8;
scanline_remapped = scanline / 16;
frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
while (cnt < 160) {
balance += LCD_WIDTH;
if (balance > 0)
{
#if (CONFIG_CPU == SH7034) && !defined(SIMULATOR)
asm volatile (
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"mov.b @%0,r0 \n"
"add %1,%0 \n"
"tst #0x02, r0 \n" /* ~bit 1 */
"rotcr r1 \n"
"shlr16 r1 \n"
"shlr8 r1 \n"
"not r1,r1 \n" /* account for negated bits */
"mov.b r1,@%2 \n"
: /* outputs */
: /* inputs */
/* %0 */ "r"(scan.buf[0] + cnt),
/* %1 */ "r"(256), /* scan.buf line length */
/* %2 */ "r"(frameb++)
: /* clobbers */
"r0", "r1"
);
#else
register unsigned scrbyte = 0;
if (scan.buf[0][cnt] & 0x02) scrbyte |= 0x01;
if (scan.buf[1][cnt] & 0x02) scrbyte |= 0x02;
if (scan.buf[2][cnt] & 0x02) scrbyte |= 0x04;
if (scan.buf[3][cnt] & 0x02) scrbyte |= 0x08;
if (scan.buf[4][cnt] & 0x02) scrbyte |= 0x10;
if (scan.buf[5][cnt] & 0x02) scrbyte |= 0x20;
if (scan.buf[6][cnt] & 0x02) scrbyte |= 0x40;
if (scan.buf[7][cnt] & 0x02) scrbyte |= 0x80;
*(frameb++) = scrbyte;
#endif
balance -= 160;
}
cnt ++;
}
rb->lcd_update_rect(0, (scanline/2) & ~7, LCD_WIDTH, 8);
#elif (LCD_HEIGHT == 128) && (LCD_DEPTH == 2) /* iriver H1x0 */
if (fb.mode==1)
scanline-=16;
else if (fb.mode==2)
scanline-=8;
scanline_remapped = scanline / 4;
frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
while (cnt < 160) {
*(frameb++) = (scan.buf[0][cnt]&0x3) |
((scan.buf[1][cnt]&0x3)<<2) |
((scan.buf[2][cnt]&0x3)<<4) |
((scan.buf[3][cnt]&0x3)<<6);
cnt++;
}
rb->lcd_update_rect(0, scanline & ~3, LCD_WIDTH, 4);
#elif defined(HAVE_LCD_COLOR)
/* handled in lcd.c now */
#endif /* LCD_HEIGHT */
}
#endif
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