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-rw-r--r--firmware/target/coldfire/mpio/hd200/usb-hd200.c7
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)
48 48
49void usb_enable(bool on) 49void usb_enable(bool on)
50{ 50{
51 /* one second timeout */
52 unsigned char timeout = 10;
51 53
52 if(on) 54 if(on)
53 { 55 {
@@ -64,7 +66,10 @@ void usb_enable(bool on)
64 66
65 and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */ 67 and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */
66 68
67 while ( !(GPIO1_READ & (1<<5)) ) {} 69 while ( !(GPIO1_READ & (1<<5)) && timeout--)
70 {
71 sleep(HZ/10);
72 }
68 sleep(HZ); 73 sleep(HZ);
69 } 74 }
70} 75}