add app_usb_aud_fosi_c1

lib_xua/lib_xua/src/core/buffer/ep/ep_buffer.xc

@@ -24,6 +24,7 @@ unsigned char g_hidPassData[HID_PASS_REPORT_BYTES] = {HID_PASS_REPORT_ID, 0x0};
 unsigned char g_hidData_Down[HID_MAX_OUT_BYTES] = {0U};
 unsigned char last_hidData = 0;
 unsigned char last_hidPassData = 0;
+extern void user_read_hidpass(unsigned char * unsafe hidPassData);
 #endif
 
 void GetADCCounts(unsigned samFreq, int &min, int &mid, int &max);
@@ -1248,12 +1249,11 @@ void XUA_Buffer_Ep(
                             }
                             if (id == 1)
                             {
-                              int hidDataLength = (int) UserHIDGetData(id,  g_hidPassData);
-                              XUD_SetReady_In(ep_hid, g_hidPassData, hidDataLength);
-                          //  printf("hidDataLength: %d\n", hidDataLength);
-
-                              hidClearChangePending(id);
-
+                                unsafe {
+                                    user_read_hidpass(&g_hidPassData[1]);
+                                }
+                                XUD_SetReady_In(ep_hid,  g_hidPassData,  HID_PASS_REPORT_BYTES);
+                                hidClearChangePending(id);
                             }
                        }
                     }

lib_xua/lib_xua/src/dfu/dfu.xc

@@ -28,7 +28,7 @@ void SetDFUFlag(unsigned x)
 }
 
 /* Load flag from fixed address */
-static unsigned GetDFUFlag()
+unsigned GetDFUFlag()
 {
     unsigned x;
     asm volatile("ldw %0, %1[0]" : "=r"(x) : "r"(FLAG_ADDRESS));