fix #161 added volatile for ep_busy_map/ep_stall_map

1 files changed, 3 insertions, 3 deletions

diff --git a/src/device/usbd.c b/src/device/usbd.c
index 3700fb988..7f819d8f9 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -52,14 +52,14 @@ typedef struct {
     uint8_t self_powered          : 1; // configuration descriptor's attribute

   };

 

-  uint8_t ep_busy_map[2];  // bit mask for busy endpoint

-  uint8_t ep_stall_map[2]; // bit map for stalled endpoint

+  volatile uint8_t ep_busy_map[2];  // bit mask for busy endpoint

+  volatile uint8_t ep_stall_map[2]; // bit map for stalled endpoint

 

   uint8_t itf2drv[16];     // map interface number to driver (0xff is invalid)

   uint8_t ep2drv[8][2];    // map endpoint to driver ( 0xff is invalid )

 }usbd_device_t;

 

-static usbd_device_t _usbd_dev = { 0 };

+static usbd_device_t _usbd_dev;

 

 // Invalid driver ID in itf2drv[] ep2drv[][] mapping

 enum { DRVID_INVALID = 0xFFu };