Alter the AVRISP-MKII clone project code to report a different serial number in libUS...

diff --git a/Projects/AVRISP-MKII/AVRISPDescriptors.c b/Projects/AVRISP-MKII/AVRISPDescriptors.c
index 9ad7c15..066dcf4 100644 (file)
--- a/Projects/AVRISP-MKII/AVRISPDescriptors.c
+++ b/Projects/AVRISP-MKII/AVRISPDescriptors.c
@@ -174,7 +174,7 @@ const USB_Descriptor_String_t PROGMEM AVRISP_ProductString =
 /** Serial number string. This is a Unicode string containing the device's unique serial number, expressed as a
  *  series of uppercase hexadecimal digits.
  */
 /** Serial number string. This is a Unicode string containing the device's unique serial number, expressed as a
  *  series of uppercase hexadecimal digits.
  */

-const USB_Descriptor_String_t PROGMEM AVRISP_SerialString =
+USB_Descriptor_String_t AVRISP_SerialString =

 {
        .Header                 = {.Size = USB_STRING_LEN(13), .Type = DTYPE_String},
        
 {
        .Header                 = {.Size = USB_STRING_LEN(13), .Type = DTYPE_String},
        


@@ -233,7 +233,12 @@ uint16_t AVRISP_GetDescriptor(const uint16_t wValue,
                                        break;
                                case 0x03:
                                        Address = &AVRISP_SerialString;
                                        break;
                                case 0x03:
                                        Address = &AVRISP_SerialString;

-                                       Size    = pgm_read_byte(&AVRISP_SerialString.Header.Size);
+                                       Size    = AVRISP_SerialString.Header.Size;
+                                       
+                                       /* Update serial number to have a different serial based on the current endpoint address */
+                                       ((uint16_t*)&AVRISP_SerialString.UnicodeString)[6] = cpu_to_le16('0' + (AVRISP_DATA_IN_EPADDR & ENDPOINT_EPNUM_MASK));
+                                       
+                                       *DescriptorMemorySpace = MEMSPACE_RAM;

                                        break;
                        }
 
                                        break;
                        }