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[components][drivers][usb_common]: Fix typo for 'ifndf' in usb_common.h

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This commit is contained in:
Peter Zhang 2018-10-26 14:33:21 +08:00
parent 328a697c1d
commit 4f14dc9186
1 changed files with 1 additions and 1 deletions
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2
components/drivers/include/drivers/usb_common.h
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@ -225,7 +225,7 @@ extern "C" {
#ifndef USB_TIMEOUT_LONG
#define USB_TIMEOUT_LONG (RT_TICK_PER_SECOND * 5) /* 5s */
#endif
#ifndf USB_DEBOUNCE_TIME
#ifndef USB_DEBOUNCE_TIME
#define USB_DEBOUNCE_TIME (RT_TICK_PER_SECOND / 5) /* 0.2s */
#endif