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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Dave Chapman
*
* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
*
* 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 "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "cpu.h"
#include "system.h"
#include "lcd.h"
#include "kernel.h"
#include "thread.h"
#include "ata.h"
#include "fat.h"
#include "disk.h"
#include "font.h"
#include "button.h"
#include "adc.h"
#include "adc-target.h"
#include "backlight-target.h"
#include "panic.h"
#include "power.h"
#include "file.h"
#include "common.h"
#if defined(COWON_D2)
#include "i2c.h"
#endif
char version[] = APPSVERSION;
extern int line;
void* main(void)
{
int button;
int power_count = 0;
int count = 0;
bool do_power_off = false;
#if defined(COWON_D2)
int i,rc,fd,len;
int* buf = (int*)0x21000000; /* Unused DRAM */
#endif
power_init();
system_init();
lcd_init();
#if defined(COWON_D2)
kernel_init();
#endif
adc_init();
button_init();
backlight_init();
font_init();
lcd_setfont(FONT_SYSFIXED);
_backlight_on();
#if defined(COWON_D2)
printf("ATA");
rc = ata_init();
if(rc)
{
reset_screen();
error(EATA, rc);
}
printf("mount");
rc = disk_mount_all();
if (rc<=0)
{
error(EDISK,rc);
}
#if 0
printf("opening test file...");
fd = open("/test.bin", O_RDONLY);
if (fd < 0) panicf("could not open test file");
len = filesize(fd);
printf("Length: %x", len);
lseek(fd, 0, SEEK_SET);
read(fd, buf, len);
close(fd);
printf("testing contents...");
i = 0;
while (buf[i] == i && i<(len/4)) { i++; }
if (i < len/4)
{
printf("mismatch at %x [0x%x]", i, buf[i]);
}
else
{
printf("passed!");
}
while (!button_read_device()) {};
while (button_read_device()) {};
#endif
#endif
while(!do_power_off) {
line = 0;
printf("Hello World!");
button = button_read_device();
/* Power-off if POWER button has been held for a long time
This loop is currently running at about 100 iterations/second
*/
if (button & POWEROFF_BUTTON) {
power_count++;
if (power_count > 200)
do_power_off = true;
} else {
power_count = 0;
}
printf("Btn: 0x%08x",button);
#if defined(COWON_D2)
printf("GPIOA: 0x%08x",GPIOA);
printf("GPIOB: 0x%08x",GPIOB);
printf("GPIOC: 0x%08x",GPIOC);
printf("GPIOD: 0x%08x",GPIOD);
printf("GPIOE: 0x%08x",GPIOE);
for (i = 0; i<4; i++)
{
printf("ADC%d: 0x%04x",i,adc_read(i));
}
/* TODO: Move this stuff out to a touchscreen driver and establish
how such a beast is going to work. Since it needs I2C read/write,
it can't easily go on an interrupt-based tick task. */
{
unsigned char buf[] = { 0x2f, (0xE<<1) | 1, /* ADC start for X+Y */
0, 0, 0 };
int x,y;
i2c_write(0x10, buf, 2);
i2c_readmem(0x10, 0x2e, buf, 5);
x = (buf[2] << 2) | (buf[3] & 3);
y = (buf[4] << 2) | ((buf[3] & 0xC) >> 2);
printf("X: 0x%03x Y: 0x%03x",x,y);
x = (x*LCD_WIDTH) / 1024;
y = (y*LCD_HEIGHT) / 1024;
lcd_hline(x-5, x+5, y);
lcd_vline(x, y-5, y+5);
buf[0] = 0x2f;
buf[1] = (0xF<<1) | 1; /* ADC start for P1+P2 */
i2c_write(0x10, buf, 2);
i2c_readmem(0x10, 0x2e, buf, 5);
x = (buf[2] << 2) | (buf[3] & 3);
y = (buf[4] << 2) | ((buf[3] & 0xC) >> 2);
printf("P1: 0x%03x P2: 0x%03x",x,y);
}
#endif
count++;
printf("Count: %d",count);
}
lcd_clear_display();
line = 0;
printf("POWER-OFF");
/* Power-off */
power_off();
return 0;
}
/* These functions are present in the firmware library, but we reimplement
them here because the originals do a lot more than we want */
void usb_acknowledge(void)
{
}
void usb_wait_for_disconnect(void)
{
}
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