diff options
| -rw-r--r-- | Projects/AVRISP-MKII/AVRISPDescriptors.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Projects/AVRISP-MKII/AVRISPDescriptors.c b/Projects/AVRISP-MKII/AVRISPDescriptors.c index 9ad7c1545..066dcf414 100644 --- 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. */ -const USB_Descriptor_String_t PROGMEM AVRISP_SerialString = +USB_Descriptor_String_t AVRISP_SerialString = { .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; - 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; } |