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-rw-r--r--tinyusb/osal/osal_common.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tinyusb/osal/osal_common.h b/tinyusb/osal/osal_common.h
index 42ed6e77b..be8c59d69 100644
--- a/tinyusb/osal/osal_common.h
+++ b/tinyusb/osal/osal_common.h
@@ -52,7 +52,7 @@ enum
{
OSAL_TIMEOUT_NOTIMEOUT = 0, // for use within ISR, return immediately
OSAL_TIMEOUT_NORMAL = 10*5, // default is 10 msec, FIXME [CMSIS-RTX] easily timeout with 10 msec
- OSAL_TIMEOUT_WAIT_FOREVER = 0xFFFFFFFF
+ OSAL_TIMEOUT_WAIT_FOREVER = 0xFFFFFFFFUL
};
#ifdef __cplusplus