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Simplify the internal serial extraction routines for each architecture.

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This commit is contained in:
Dean Camera 2011-03-13 23:32:32 +00:00
parent a7eca42996
commit 02dfd7dc3d
3 changed files with 24 additions and 23 deletions
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18
LUFA/Drivers/USB/Core/AVR8/Device_AVR8.h
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@ -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