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Better handling of non-responding threads

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1281 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-07-01 11:02:54 +00:00
parent a550b07886
commit 53b8c99521
1 changed files with 111 additions and 99 deletions
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14
firmware/usb.c
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@ -38,6 +38,8 @@
#define USB_INSERTED 1
#define USB_EXTRACTED 2
static int usb_state;
static char usb_stack[0x100];
static struct event_queue usb_queue;
static bool last_usb_status;
@ -126,6 +128,8 @@ static void usb_thread(void)
DEBUGF("All threads have acknowledged. Continuing...\n");
#ifdef USB_REALLY_BRAVE
usb_slave_mode(true);
usb_state = USB_INSERTED;
usb_display_info();
#else
system_reboot();
#endif
@ -138,8 +142,15 @@ static void usb_thread(void)
break;
case USB_EXTRACTED:
/* First disable the USB mode */
if(usb_state == USB_INSERTED)
{
/* Only disable the USB mode if we really have enabled it
some threads might not have acknowledged the
insertion */
usb_slave_mode(false);
}
usb_state = USB_EXTRACTED;
/* Tell all threads that we are back in business */
num_acks_to_expect =
@ -199,6 +210,7 @@ void usb_acknowledge(int id)
void usb_init(void)
{
usb_state = USB_EXTRACTED;
usb_monitor_enabled = false;
usb_enable(false);