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Better algorithm to extract and convert the internal device serial number into a string descriptor (if present).

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Fix incorrect warning text when an unsuitable F_CLOCK value is given.
This commit is contained in:
Dean Camera 2010-10-24 12:25:34 +00:00
parent 5517f96e86
commit 8f3bee7d86
2 changed files with 6 additions and 6 deletions
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10
LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c
View file

@ -211,8 +211,8 @@ static void USB_Device_GetConfiguration(void)
#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
static char USB_Device_NibbleToASCII(uint8_t Nibble)
{
Nibble = ((Nibble & 0x0F) + '0');
return (Nibble > '9') ? (Nibble + ('A' - '9' - 1)) : Nibble;
Nibble &= 0x0F;
return (Nibble >= 10) ? (('A' - 10) + Nibble) : ('0' + Nibble);
}
static void USB_Device_GetInternalSerialDescriptor(void)
@ -220,16 +220,16 @@ static void USB_Device_GetInternalSerialDescriptor(void)
struct
{
USB_Descriptor_Header_t Header;
int16_t UnicodeString[20];
wchar_t UnicodeString[20];
} SignatureDescriptor;
SignatureDescriptor.Header.Type = DTYPE_String;
SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor);
uint8_t SigReadAddress = 0x0E;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
uint8_t SigReadAddress = 0x0E;
for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++)
{
uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);

2
LUFA/Drivers/USB/LowLevel/USBController.h
View file

@ -118,7 +118,7 @@
#endif
#if !defined(USB_PLL_PSC)
#error No PLL prescale value available for chosen F_CPU value and AVR model.
#error No PLL prescale value available for chosen F_CLOCK value and AVR model.
#endif
/* Public Interface - May be used in end-application: */