add more flash protect for key verification

sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/audiohw.xc

@@ -431,6 +431,22 @@ void button_task(chanend c_hidSendData, chanend cc_mic_level, chanend c_uac_vol,
     unsigned char hp_mute_path[] = "hp_mute";
     unsigned char monitor_sw_path[] = "monitor_sw";
     unsigned host_os;
+#if DNR_ENABLE
+    unsigned dnr_init_flag = 0;
+    while (dnr_init_flag == 0)
+    {
+        GET_SHARED_GLOBAL(dnr_init_flag, g_dnr_init_flag);
+        asm("nop");
+    }
+#endif
+#if USE_EX3D == 1
+    unsigned ex3d_key_verified = 0;
+    while (ex3d_key_verified == 0)
+    {
+        GET_SHARED_GLOBAL(ex3d_key_verified, g_ex3d_key_verified);
+        asm("nop");
+    }
+#endif
 
     delay_milliseconds(10);
     saved_mode = load_value(path);

sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dsp.c

@@ -84,12 +84,18 @@ chanend_t uc_dsp_to_dnr_t1;
 //chanend_t uc_dsp_to_dnr_t0;
 chanend_t uc_key_to_ubm_t0;
 volatile EXTERN DS_BOOL m_hThread;
+extern unsigned g_dnr_init_flag;
 void SetEqDataChan (chanend_t c) {
     uc_eq_data = c;
 }
 void key_receiver(chanend_t c)
 {
     debug_printf("===> key_receiver\n");
+#if DNR_ENABLE
+    while (g_dnr_init_flag == 0) {
+        asm("nop");
+    }
+#endif
    // tile0
     // load the license key
     // This function must be called before audio_ex3d_activate_key.

sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dsp_core0.xc

@@ -36,6 +36,8 @@ extern uint32_t get_reference_time(void);
 extern void update_eq_post_gain(void);
 extern unsigned int g_eq_sample_rate;
 extern unsigned g_windows_detect_done;
+extern unsigned g_dnr_init_flag;
+extern unsigned g_ex3d_key_verified;
 
 #pragma unsafe arrays
 void dsp_core0(void)
@@ -55,11 +57,31 @@ void dsp_core0(void)
     // EQ Flash存储初始化标志
 
     delay_milliseconds(300);
-    unsigned windows_detect_done;
+    unsigned windows_detect_done, dnr_init_flag, ex3d_key_verified;
     GET_SHARED_GLOBAL(windows_detect_done, g_windows_detect_done);
-    while (windows_detect_done == 0) {
+#if DNR_ENABLE
+    GET_SHARED_GLOBAL(dnr_init_flag, g_dnr_init_flag);
+#endif
+#if USE_EX3D
+    GET_SHARED_GLOBAL(ex3d_key_verified, g_ex3d_key_verified);
+#endif
+    while ((windows_detect_done == 0)
+#if DNR_ENABLE
+     || (dnr_init_flag == 0) 
+#endif
+#if USE_EX3D
+     || (ex3d_key_verified == 0)
+#endif
+     ) {
         asm("nop");
         GET_SHARED_GLOBAL(windows_detect_done, g_windows_detect_done);
+#if DNR_ENABLE
+        GET_SHARED_GLOBAL(dnr_init_flag, g_dnr_init_flag);
+#endif
+#if USE_EX3D
+        GET_SHARED_GLOBAL(ex3d_key_verified, g_ex3d_key_verified);
+#endif
+
     }
 
 #if EQ_EN

sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/main.xc

@@ -570,6 +570,7 @@ int main()
 
             unsafe {
               SetEqDataChan(c_eq_data); 
+              delay_milliseconds(200);
               key_sender(c_key);
               for (int i = 0; i < DSP_WORKER_COUNT; i++)
                 uc_dsp_to_ex3d[i] = (chanend)c_dsp_to_ex3d[i];