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iriver bootloader: slightly faster startup, backlight off in usb mode, minor code policing

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7192 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-07-19 08:08:33 +00:00
parent e8da7e6b15
commit e628b5c941
1 changed files with 24 additions and 5 deletions
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29
bootloader/main.c
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@ -175,9 +175,11 @@ void main(void)
int data;
int adc_battery, battery_voltage, batt_int, batt_frac;
/* Read the buttons early */
/* We want to read the buttons as early as possible, before the user
releases the ON button */
/* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */
/* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs
(The ON and Hold buttons on the main unit and the remote) */
or_l(0x00100062, &GPIO1_FUNCTION);
and_l(~0x00100062, &GPIO1_ENABLE);
@ -192,7 +194,17 @@ void main(void)
or_l(0x00020000, &GPIO1_ENABLE);
or_l(0x00020000, &GPIO1_FUNCTION);
/* Set the default state of the hard drive power to OFF */
ide_power_enable(false);
power_init();
/* Power on the hard drive early, to speed up the loading */
if(!((on_button && button_hold()) ||
(rc_on_button && remote_button_hold()))) {
ide_power_enable(true);
}
system_init();
kernel_init();
@ -212,12 +224,14 @@ void main(void)
lcd_setfont(FONT_SYSFIXED);
snprintf(buf, sizeof(buf), "Rockboot version %s", version);
lcd_puts(0, line++, "Rockbox boot loader");
snprintf(buf, sizeof(buf), "Version %s", version);
lcd_puts(0, line++, buf);
lcd_update();
sleep(HZ/50); /* Allow the button driver to check the buttons */
/* Holding REC while starting runs the original firmware */
if(((button_status() & BUTTON_REC) == BUTTON_REC) ||
((button_status() & BUTTON_RC_REC) == BUTTON_RC_REC)) {
lcd_puts(0, 8, "Starting original firmware...");
@ -225,8 +239,10 @@ void main(void)
start_iriver_fw();
}
if(on_button & button_hold() ||
rc_on_button & remote_button_hold()) {
/* Don't start if the Hold button is active on the device you
are starting with */
if((on_button && button_hold()) ||
(rc_on_button && remote_button_hold())) {
lcd_puts(0, 8, "HOLD switch on, power off...");
lcd_update();
sleep(HZ*2);
@ -280,6 +296,9 @@ void main(void)
{
ata_spin(); /* Prevent the drive from spinning down */
sleep(HZ);
/* Backlight OFF */
or_l(0x00020000, &GPIO1_OUT);
}
system_reboot();