Diff: USBDFU/WebUSBDFU.cpp

Revision:

68:c190028858f9

Parent:

67:39396cc073f2

Child:

70:e410de636542

--- a/USBDFU/WebUSBDFU.cpp	Sun Sep 04 03:13:09 2016 +0000
+++ b/USBDFU/WebUSBDFU.cpp	Sun Sep 04 09:54:47 2016 +0000
@@ -20,6 +20,7 @@
 #include "WebUSBDFU.h"
 #include "WebUSB.h"
 #include "DFU.h"
+#include "WinUSB.h"
 
 #include "USBDescriptor.h"
 
@@ -56,9 +57,54 @@
 bool WebUSBDFU::USBCallback_request() {
     bool success = false;
     CONTROL_TRANSFER * transfer = getTransferPtr();
-
+    
+    // Handle the Microsoft OS Descriptors 1.0 special string descriptor request
+    if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE) &&
+        (transfer->setup.bRequest == GET_DESCRIPTOR) &&
+        (DESCRIPTOR_TYPE(transfer->setup.wValue) == STRING_DESCRIPTOR) &&
+        (DESCRIPTOR_INDEX(transfer->setup.wValue) == 0xEE))
+    {
+        static uint8_t msftStringDescriptor[] = {
+            0x12,                                      /* bLength */
+            STRING_DESCRIPTOR,                         /* bDescriptorType */
+            'M',0,'S',0,'F',0,'T',0,'1',0,'0',0,'0',0, /* qWSignature - MSFT100 */
+            WINUSB_VENDOR_CODE,                        /* bMS_VendorCode */
+            0x00,                                      /* bPad */
+        };
+        
+        transfer->remaining = msftStringDescriptor[0];
+        transfer->ptr = msftStringDescriptor;
+        transfer->direction = DEVICE_TO_HOST;
+        success = true;
+    }
+    // Process Microsoft OS Descriptors 1.0 Compatible ID requests
+    else if ((transfer->setup.bmRequestType.Type == VENDOR_TYPE) &&
+             (transfer->setup.bmRequestType.Recipient == DEVICE_RECIPIENT) &&
+             (transfer->setup.bRequest == WINUSB_VENDOR_CODE) &&
+             (transfer->setup.wIndex == WINUSB_GET_COMPATIBLE_ID_FEATURE_DESCRIPTOR))
+    {
+        static uint8_t msftCompatibleIdDescriptor[] = {
+            0x28, 0x00, 0x00, 0x00,         /* dwLength */
+            LSB(COMPATIBLE_ID_VERSION_1_0), /* bcdVersion (LSB) */
+            MSB(COMPATIBLE_ID_VERSION_1_0), /* bcdVersion (MSB) */
+            LSB(WINUSB_GET_COMPATIBLE_ID_FEATURE_DESCRIPTOR), /* wIndex (LSB) */
+            MSB(WINUSB_GET_COMPATIBLE_ID_FEATURE_DESCRIPTOR), /* wIndex (MSB) */
+            0x01,                           /* bCount */
+            0, 0, 0, 0, 0, 0, 0,            /* reserved */
+            DFU_INTERFACE_NUMBER,           /* bFirstInterfaceNumber */
+            0x00,                           /* reserved */
+            'W','I','N','U','S','B',0,0,    /* compatible ID - WINUSB */
+            0, 0, 0, 0, 0, 0, 0, 0,         /* subCompatibleID */
+            0, 0, 0, 0, 0, 0,               /* reserved */
+        };
+        
+        transfer->remaining = sizeof(msftCompatibleIdDescriptor);
+        transfer->ptr = msftCompatibleIdDescriptor;
+        transfer->direction = DEVICE_TO_HOST;
+        success = true;
+    }
     // Process DFU class-specific requests
-    if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
+    else if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
     {
         switch (transfer->setup.bRequest)
         {