diff options
Diffstat (limited to 'firmware/target')
-rw-r--r-- | firmware/target/coldfire/mpio/hd200/usb-hd200.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/firmware/target/coldfire/mpio/hd200/usb-hd200.c b/firmware/target/coldfire/mpio/hd200/usb-hd200.c index 9a82359966..9717ef3205 100644 --- a/firmware/target/coldfire/mpio/hd200/usb-hd200.c +++ b/firmware/target/coldfire/mpio/hd200/usb-hd200.c @@ -48,6 +48,8 @@ int usb_detect(void) void usb_enable(bool on) { + /* one second timeout */ + unsigned char timeout = 10; if(on) { @@ -64,7 +66,10 @@ void usb_enable(bool on) and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */ - while ( !(GPIO1_READ & (1<<5)) ) {} + while ( !(GPIO1_READ & (1<<5)) && timeout--) + { + sleep(HZ/10); + } sleep(HZ); } } |