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Added USE_INTERNAL_SERIAL compile time option to automatically read out the internal unique serial number as the device's serial number descriptor on supported AVR models.

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This commit is contained in:
Dean Camera 2009-06-20 11:43:26 +00:00
parent 35bdada24b
commit 00d0883507
12 changed files with 142 additions and 38 deletions
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32
LUFA/Drivers/USB/LowLevel/DevChapter9.c
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@ -179,6 +179,36 @@ static void USB_Device_GetDescriptor(void)
void* DescriptorPointer;
uint16_t DescriptorSize;
#if defined(USE_INTERNAL_SERIAL)
if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL))
{
uint8_t SignatureDescriptor[2 + (sizeof(int16_t) * 20)];
SignatureDescriptor[0] = sizeof(SignatureDescriptor);
SignatureDescriptor[1] = DTYPE_String;
uint16_t* SigUnicodeChars = (uint16_t*)&SignatureDescriptor[2];
for (uint8_t SerialByteNum = 0; SerialByteNum < 10; SerialByteNum++)
{
char ConvSigString[3];
itoa(boot_signature_byte_get(0x0E + SerialByteNum), ConvSigString, 16);
SigUnicodeChars[0] = toupper(ConvSigString[0]);
SigUnicodeChars[1] = toupper(ConvSigString[1]);
SigUnicodeChars += 2;
}
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(SignatureDescriptor, sizeof(SignatureDescriptor));
Endpoint_ClearOUT();
return;
}
#endif
if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
&DescriptorPointer)) == NO_DESCRIPTOR)
{
@ -186,7 +216,7 @@ static void USB_Device_GetDescriptor(void)
}
Endpoint_ClearSETUP();
#if defined(USE_RAM_DESCRIPTORS)
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
#else