X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/da138684e428a40f7f5a0c32617e5c62c9e3a664..f85a53a31b00190ad726f509ad275079fc6eb994:/LUFA/Drivers/USB/LowLevel/DevChapter9.c diff --git a/LUFA/Drivers/USB/LowLevel/DevChapter9.c b/LUFA/Drivers/USB/LowLevel/DevChapter9.c index f49f5b39b..231821646 100644 --- a/LUFA/Drivers/USB/LowLevel/DevChapter9.c +++ b/LUFA/Drivers/USB/LowLevel/DevChapter9.c @@ -174,59 +174,65 @@ void USB_Device_GetConfiguration(void) Endpoint_ClearOUT(); } -static void USB_Device_GetDescriptor(void) +#if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) +static void USB_Device_GetInternalSerialDescriptor(void) { - void* DescriptorPointer; - uint16_t DescriptorSize; + struct + { + USB_Descriptor_Header_t Header; + int16_t UnicodeString[12]; + } SignatureDescriptor; - #if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) - if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL)) + uint8_t SigReadAddress = 0x0E; + bool OddNibbleRead = false; + + #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES) + SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor); + SignatureDescriptor.Header.Type = DTYPE_String; + #else + SignatureDescriptor.Header.bLength = sizeof(SignatureDescriptor); + SignatureDescriptor.Header.bDescriptorType = DTYPE_String; + #endif + + for (uint8_t SerialCharNum = 0; SerialCharNum < 12; SerialCharNum++) { - struct - { - USB_Descriptor_Header_t Header; - int16_t UnicodeString[12]; - } SignatureDescriptor; - - #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES) - SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor); - SignatureDescriptor.Header.Type = DTYPE_String; - #else - SignatureDescriptor.Header.bLength = sizeof(SignatureDescriptor); - SignatureDescriptor.Header.bDescriptorType = DTYPE_String; - #endif + uint8_t SerialByte = boot_signature_byte_get(SigReadAddress); - uint8_t SigReadAddress = 0x0E; - bool OddRead = false; - - for (uint8_t SerialCharNum = 0; SerialCharNum < 12; SerialCharNum++) + if (OddNibbleRead) { - uint8_t SerialByte = boot_signature_byte_get(SigReadAddress); - - if (OddRead) - { - SerialByte >>= 4; - SigReadAddress++; - } - else - { - SerialByte &= 0x0F; - } - - OddRead = !(OddRead); - - if (SerialByte < 0x0A) - SerialByte += '0'; - else - SerialByte += ('A' - 0x0A); - - SignatureDescriptor.UnicodeString[SerialCharNum] = SerialByte; + SerialByte >>= 4; + SigReadAddress++; + } + else + { + SerialByte &= 0x0F; } - Endpoint_ClearSETUP(); - Endpoint_Write_Control_Stream_LE(&SignatureDescriptor, sizeof(SignatureDescriptor)); - Endpoint_ClearOUT(); + OddNibbleRead = !(OddNibbleRead); + + if (SerialByte < 0x0A) + SerialByte += '0'; + else + SerialByte += ('A' - 0x0A); + + SignatureDescriptor.UnicodeString[SerialCharNum] = SerialByte; + } + + Endpoint_ClearSETUP(); + Endpoint_Write_Control_Stream_LE(&SignatureDescriptor, sizeof(SignatureDescriptor)); + Endpoint_ClearOUT(); +} +#endif +static void USB_Device_GetDescriptor(void) +{ + void* DescriptorPointer; + uint16_t DescriptorSize; + + #if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL)) + { + USB_Device_GetInternalSerialDescriptor(); return; } #endif