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-rw-r--r--usbdrv/usbdrv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/usbdrv/usbdrv.c b/usbdrv/usbdrv.c
index d838935..6c61e3b 100644
--- a/usbdrv/usbdrv.c
+++ b/usbdrv/usbdrv.c
@@ -219,7 +219,7 @@ static inline void usbResetStall(void)
static void usbGenericSetInterrupt(uchar *data, uchar len, usbTxStatus_t *txStatus)
{
uchar *p;
-char i;
+schar i;
#if USB_CFG_IMPLEMENT_HALT
if(usbTxLen1 == USBPID_STALL)