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iriver bootloader: enable backlight at boot, reset uda1380, warning when low battery, let the user try with USB when the ATA init fails

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7100 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-07-11 14:01:45 +00:00
parent b6242daf4d
commit dfa8ecbe60
1 changed files with 33 additions and 6 deletions
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39
bootloader/main.c
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@ -183,6 +183,7 @@ void main(void)
bool rc_on_button = false;
bool on_button = false;
int data;
int adc_battery, battery_voltage, batt_int, batt_frac;
/* Read the buttons early */
@ -197,6 +198,10 @@ void main(void)
if ((data & 0x40) == 0)
rc_on_button = true;
/* Backlight ON */
or_l(0x00020000, &GPIO1_ENABLE);
or_l(0x00020000, &GPIO1_FUNCTION);
power_init();
system_init();
kernel_init();
@ -206,6 +211,13 @@ void main(void)
set_cpu_frequency(0); /* PLL off */
#endif
/* UDA1380 RESET */
GPIO_OUT |= (1<<29);
GPIO_ENABLE |= (1<<29);
GPIO_FUNCTION |= (1<<29);
sleep(HZ/100);
GPIO_OUT &= ~(1<<29);
backlight_init();
set_irq_level(0);
lcd_init();
@ -215,8 +227,7 @@ void main(void)
lcd_setfont(FONT_SYSFIXED);
snprintf(buf, 256, "Rockboot version 3");
lcd_puts(0, line++, buf);
lcd_puts(0, line++, "Rockboot version CVS");
lcd_update();
sleep(HZ/50); /* Allow the button driver to check the buttons */
@ -239,18 +250,34 @@ void main(void)
power_off();
}
adc_battery = adc_read(ADC_BATTERY);
battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000;
batt_int = battery_voltage / 100;
batt_frac = battery_voltage % 100;
snprintf(buf, 32, "Batt: %d.%02dV", batt_int, batt_frac);
lcd_puts(0, line++, buf);
lcd_update();
if(battery_voltage <= 300) {
line++;
lcd_puts(0, line++, "WARNING! BATTERY LOW!!");
lcd_update();
sleep(HZ*2);
}
rc = ata_init();
if(rc)
{
#ifdef HAVE_LCD_BITMAP
char str[32];
lcd_clear_display();
snprintf(str, 31, "ATA error: %d", rc);
lcd_puts(0, 1, str);
lcd_puts(0, line++, str);
lcd_puts(0, line++, "Insert USB cable and press");
lcd_puts(0, line++, "a button");
lcd_update();
while(!(button_get(true) & BUTTON_REL));
#endif
panicf("ata: %d", rc);
}
/* A hack to enter USB mode without using the USB thread */