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LCD remote support for iAudio X5

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10352 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2006-07-28 12:41:13 +00:00
parent 38719f87cb
commit d17d08c268
4 changed files with 239 additions and 40 deletions
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123
firmware/drivers/lcd-remote-2bit-vi.c
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@ -33,6 +33,7 @@
#include "font.h"
#include "rbunicode.h"
#include "bidi.h"
#include "lcd-remote-target.h"
#define SCROLLABLE_LINES (((LCD_REMOTE_HEIGHT+4)/5 < 32) ? (LCD_REMOTE_HEIGHT+4)/5 : 32)
@ -67,18 +68,12 @@ static const char scroll_tick_table[16] = {
100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3
};
/* LCD init */
void lcd_remote_init(void)
{
lcd_remote_clear_display();
#if 0 /* FIXME */
/* Call device specific init */
remote_init();
/* remote hotplug */
#ifndef SIMULATOR
static struct event_queue remote_scroll_queue;
#define REMOTE_INIT_LCD 1
#define REMOTE_DEINIT_LCD 2
#endif
create_thread(scroll_thread, scroll_stack,
sizeof(scroll_stack), scroll_name);
}
/*** parameter handling ***/
@ -1020,6 +1015,51 @@ void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *stri
scrolling_lines &= ~(1<<y);
}
#ifndef SIMULATOR
/* Monitor remote hotswap */
static void remote_tick(void)
{
static bool last_status = false;
static int countdown = 0;
static int init_delay = 0;
bool current_status;
current_status = remote_detect();
/* Only report when the status has changed */
if (current_status != last_status)
{
last_status = current_status;
countdown = current_status ? 20*HZ : 1;
}
else
{
/* Count down until it gets negative */
if (countdown >= 0)
countdown--;
if (current_status)
{
if (!(countdown % 8))
{
if (--init_delay <= 0)
{
queue_post(&remote_scroll_queue, REMOTE_INIT_LCD, 0);
init_delay = 6;
}
}
}
else
{
if (countdown == 0)
{
queue_post(&remote_scroll_queue, REMOTE_DEINIT_LCD, 0);
}
}
}
}
#endif
static void scroll_thread(void)
{
struct font* pf;
@ -1027,11 +1067,42 @@ static void scroll_thread(void)
int index;
int xpos, ypos;
int lastmode;
long delay = 0;
long next_tick = current_tick;
#ifndef SIMULATOR
struct event ev;
#endif
/* initialize scroll struct array */
scrolling_lines = 0;
while ( 1 ) {
#ifdef SIMULATOR
sleep(delay);
#else
if (remote_initialized)
queue_wait_w_tmo(&remote_scroll_queue, &ev, delay);
else
queue_wait(&remote_scroll_queue, &ev);
switch (ev.id)
{
case REMOTE_INIT_LCD:
lcd_remote_on();
lcd_remote_update();
break;
case REMOTE_DEINIT_LCD:
lcd_remote_off();
break;
}
delay = next_tick - current_tick - 1;
if (delay >= 0)
continue;
#endif
for ( index = 0; index < SCROLLABLE_LINES; index++ ) {
/* really scroll? */
if ( !(scrolling_lines&(1<<index)) )
@ -1080,6 +1151,34 @@ static void scroll_thread(void)
lcd_remote_update_rect(xpos, ypos, LCD_REMOTE_WIDTH - xpos, pf->height);
}
sleep(scroll_ticks);
next_tick += scroll_ticks;
delay = next_tick - current_tick - 1;
if (delay < 0)
{
next_tick = current_tick + 1;
delay = 0;
}
}
}
/* LCD init */
#ifdef SIMULATOR
void lcd_remote_init(void)
{
create_thread(scroll_thread, scroll_stack,
sizeof(scroll_stack), scroll_name);
}
#else
void lcd_remote_init(void)
{
/* Call device specific init */
lcd_remote_init_device();
lcd_remote_clear_display();
queue_clear(&remote_scroll_queue); /* no queue_init() -- private queue */
tick_add_task(remote_tick);
create_thread(scroll_thread, scroll_stack,
sizeof(scroll_stack), scroll_name);
}
#endif