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Add start of an architecture port to the Atmel USB XMEGA devices.

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This commit is contained in:
Dean Camera 2011-07-13 23:50:05 +00:00
parent f580232392
commit d9643cf6ec
29 changed files with 3720 additions and 5 deletions
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35
LUFA/Common/Common.h
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@ -119,6 +119,21 @@
#define ARCH_BIG_ENDIAN
#include "Endianness.h"
#elif (ARCH == ARCH_XMEGA)
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <util/delay.h>
typedef uint8_t uint_reg_t;
#define ARCH_HAS_EEPROM_ADDRESS_SPACE
#define ARCH_HAS_FLASH_ADDRESS_SPACE
#define ARCH_HAS_MULTI_ADDRESS_SPACE
#define ARCH_LITTLE_ENDIAN
#include "Endianness.h"
#else
#error Unknown device architecture specified.
#endif
@ -289,6 +304,16 @@
__builtin_mtsr(AVR32_COUNT, 0);
while (__builtin_mfsr(AVR32_COUNT) < (F_CPU / 1000));
}
#elif (ARCH == ARCH_XMEGA)
if (GCC_IS_COMPILE_CONST(Milliseconds))
{
_delay_ms(Milliseconds);
}
else
{
while (Milliseconds--)
_delay_ms(1);
}
#endif
}
@ -308,7 +333,9 @@
#if (ARCH == ARCH_AVR8)
return SREG;
#elif (ARCH == ARCH_UC3)
return __builtin_mfsr(AVR32_SR);
return __builtin_mfsr(AVR32_SR);
#elif (ARCH == ARCH_XMEGA)
return SREG;
#endif
GCC_MEMORY_BARRIER();
@ -334,6 +361,8 @@
__builtin_ssrf(AVR32_SR_GM_OFFSET);
else
__builtin_csrf(AVR32_SR_GM_OFFSET);
#elif (ARCH == ARCH_XMEGA)
SREG = GlobalIntState;
#endif
GCC_MEMORY_BARRIER();
@ -352,6 +381,8 @@
sei();
#elif (ARCH == ARCH_UC3)
__builtin_csrf(AVR32_SR_GM_OFFSET);
#elif (ARCH == ARCH_XMEGA)
sei();
#endif
GCC_MEMORY_BARRIER();
@ -370,6 +401,8 @@
cli();
#elif (ARCH == ARCH_UC3)
__builtin_ssrf(AVR32_SR_GM_OFFSET);
#elif (ARCH == ARCH_XMEGA)
cli();
#endif
GCC_MEMORY_BARRIER();