Trigger reset from endpoint 0.

module_usb_aud_shared/endpoint0/endpoint0.xc

@@ -19,6 +19,7 @@
 #include "audiostream.h"
 #include "vendorrequests.h"
 #include "dfu_types.h"
+#include "xc_ptr.h"
 
 /* Windows does not have a built in DFU driver (windows will prompt), so warn that DFU will not be functional in Audio 1.0 mode.
  * Of course, OSX is unaffected.  
@@ -94,6 +95,9 @@ unsigned g_curUsbSpeed = 0;
 void VendorHostActive(int active);
 #endif
 
+/* Global used for signalling reset to decouple */
+extern unsigned g_iap_reset;
+
 /* Used when setting/clearing EP halt */
 void SetEndpointStatus(unsigned epNum, unsigned status)
 {
@@ -797,7 +801,10 @@ void Endpoint0( chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl, cha
         
         if (retVal < 0) 
         {
+            int iap_reset = 1;
             g_curUsbSpeed = XUD_ResetEndpoint(ep0_in, ep0_out);
+            SET_SHARED_GLOBAL(g_iap_reset, iap_reset);
+            //printstrln("Resetting");
 
             g_config = 0;
 

module_usb_aud_shared/usb_buffer/decouple.xc

@@ -158,6 +158,7 @@ int midi_from_host_usb_ep = 0;
 
 #ifdef IAP
 #ifdef IAP_BUFFERED
+unsigned g_iap_reset = 0;
 unsigned g_iap_from_host_flag = 0;
 unsigned g_iap_to_host_flag = 0;
 int iap_to_host_usb_ep = 0;
@@ -672,6 +673,7 @@ void decouple(chanend c_mix_out,
     
     int is_ack_iap;
     int is_reset;
+    int iap_reset;
     unsigned int datum_iap;
     int iap_data_remaining_to_device = 0;
     int iap_data_collected_from_device = 0;
@@ -764,7 +766,6 @@ void decouple(chanend c_mix_out,
 
     // send the current host -> device buffer out of the fifo
     XUD_SetReady(iap_from_host_usb_ep, 1);
-                    iap_send_reset(c_iap);
 #endif
 #endif
 
@@ -1172,6 +1173,12 @@ void decouple(chanend c_mix_out,
 
 #ifdef IAP
 #ifdef IAP_BUFFERED
+        GET_SHARED_GLOBAL(iap_reset, g_iap_reset);          
+        if (iap_reset) {
+           iap_send_reset(c_iap); // What if this happen in the middle of a send/ack?
+           iap_reset = 0;
+           SET_SHARED_GLOBAL(g_iap_reset, iap_reset); // Reset has been signalled
+        }
         // Need to handle sending ZLP on iap_to_host_usb_ep_int to signal iOS device to collect from bulk endpoint.
         /* Check if buffer() has send IAP packet to host */
         GET_SHARED_GLOBAL(iap_to_host_flag, g_iap_to_host_flag);