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HD200: Add timeout in usb_enable(false) to prevent infinite loop when something goes wrong.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27468 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcin Bukat 2010-07-17 11:38:47 +00:00
parent 47d7be5f8b
commit 59ded69c96
1 changed files with 6 additions and 1 deletions
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7
firmware/target/coldfire/mpio/hd200/usb-hd200.c
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@ -48,6 +48,8 @@ int usb_detect(void)
void usb_enable(bool on) void usb_enable(bool on)
{ {
/* one second timeout */
unsigned char timeout = 10;
if(on) if(on)
{ {
@ -64,7 +66,10 @@ void usb_enable(bool on)
and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */ and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */
while ( !(GPIO1_READ & (1<<5)) ) {} while ( !(GPIO1_READ & (1<<5)) && timeout--)
{
sleep(HZ/10);
}
sleep(HZ); sleep(HZ);
} }
} }