Commit 02dfd7dc authored by Dean Camera's avatar Dean Camera

Simplify the internal serial extraction routines for each architecture.

parent a7eca429
......@@ -100,8 +100,15 @@
* number for the device.
*/
#define USE_INTERNAL_SERIAL 0xDC
/** Length of the device's unique internal serial number, in bits, if present on the selected microcontroller
* model.
*/
#define INTERNAL_SERIAL_LENGTH_BITS 80
#else
#define USE_INTERNAL_SERIAL NO_DESCRIPTOR
#define INTERNAL_SERIAL_LENGTH_BITS 0
#endif
/* Function Prototypes: */
......@@ -190,19 +197,14 @@
return (UDADDR & (1 << ADDEN));
}
static inline uint8_t USB_Device_GetSerialString(uint16_t* UnicodeString, const uint8_t MaxLen)
static inline void USB_Device_GetSerialString(uint16_t* UnicodeString)
{
uint8_t SerialCharNum = 0;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
uint8_t SigReadAddress = 0x0E;
for (SerialCharNum = 0; SerialCharNum < MIN(MaxLen, 20); SerialCharNum++)
for (uint8_t SerialCharNum = 0; SerialCharNum < (INTERNAL_SERIAL_LENGTH_BYTES * 2); SerialCharNum++)
{
if (SerialCharNum == MaxLen)
break;
uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);
if (SerialCharNum & 0x01)
......@@ -217,8 +219,6 @@
(('A' - 10) + SerialByte) : ('0' + SerialByte));
}
}
return SerialCharNum;
}
#endif
......
......@@ -204,12 +204,13 @@ static void USB_Device_GetInternalSerialDescriptor(void)
struct
{
USB_Descriptor_Header_t Header;
uint16_t UnicodeString[20];
uint16_t UnicodeString[INTERNAL_SERIAL_LENGTH_BITS / 4];
} SignatureDescriptor;
SignatureDescriptor.Header.Type = DTYPE_String;
SignatureDescriptor.Header.Size = USB_STRING_LEN(USB_Device_GetSerialString(SignatureDescriptor.UnicodeString,
sizeof(SignatureDescriptor.UnicodeString) / sizeof(SignatureDescriptor.UnicodeString[0])));
SignatureDescriptor.Header.Size = USB_STRING_LEN(INTERNAL_SERIAL_LENGTH_BITS / 4);
USB_Device_GetSerialString(SignatureDescriptor.UnicodeString);
Endpoint_ClearSETUP();
......
......@@ -90,9 +90,16 @@
* number for the device.
*/
#define USE_INTERNAL_SERIAL 0xDC
/** Length of the device's unique internal serial number, in bits, if present on the selected microcontroller
* model.
*/
#define INTERNAL_SERIAL_LENGTH_BITS 120
#else
#define USE_INTERNAL_SERIAL NO_DESCRIPTOR
#endif
#define INTERNAL_SERIAL_LENGTH_BITS 0
#endif
/* Function Prototypes: */
/** Sends a Remote Wakeup request to the host. This signals to the host that the device should
......@@ -178,19 +185,14 @@
return AVR32_USBB.UDCON.adden;
}
static inline uint8_t USB_Device_GetSerialString(uint16_t* UnicodeString, const uint8_t MaxLen)
static inline void USB_Device_GetSerialString(uint16_t* UnicodeString)
{
uint8_t SerialCharNum = 0;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
uint32_t* SigReadAddress = 0x80800204;
uint8_t* SigReadAddress = (uint8_t*)0x80800204;
for (SerialCharNum = 0; SerialCharNum < MIN(MaxLen, 30); SerialCharNum++)
for (uint8_t SerialCharNum = 0; SerialCharNum < (INTERNAL_SERIAL_LENGTH_BITS / 4); SerialCharNum++)
{
if (SerialCharNum == MaxLen)
break;
uint8_t SerialByte = *SigReadAddress;
if (SerialCharNum & 0x01)
......@@ -205,8 +207,6 @@
(('A' - 10) + SerialByte) : ('0' + SerialByte));
}
}
return SerialCharNum;
}
#endif
......
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