149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
/* Copyright (c) 2009 By Eric B. Weddington
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All rights reserved.
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Defines missing from currently used versions of avr-libc.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MISSING_DEFINES__
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#define __MISSING_DEFINES__
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/* Missing WinAVR include defines */
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/* WinAVR does not define these for the ATmega??u4*/
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#if (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))
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#ifndef PB7
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#define PB7 7
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#endif
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#ifndef PB6
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#define PB6 6
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#endif
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#ifndef PB5
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#define PB5 5
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#endif
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#ifndef PB4
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#define PB4 4
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#endif
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#ifndef PB3
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#define PB3 3
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#endif
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#ifndef PB2
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#define PB2 2
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#endif
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#ifndef PB1
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#define PB1 1
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#endif
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#ifndef PB0
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#define PB0 0
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#endif
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#ifndef PC7
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#define PC7 7
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#endif
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#ifndef PC6
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#define PC6 6
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#endif
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#ifndef PD7
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#define PD7 7
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#endif
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#ifndef PD6
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#define PD6 6
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#endif
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#ifndef PD5
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#define PD5 5
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#endif
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#ifndef PD4
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#define PD4 4
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#endif
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#ifndef PD3
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#define PD3 3
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#endif
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#ifndef PD2
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#define PD2 2
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#endif
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#ifndef PD1
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#define PD1 1
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#endif
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#ifndef PD0
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#define PD0 0
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#endif
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#ifndef PE2
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#define PE2 2
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#endif
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#ifndef PE6
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#define PE6 6
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#endif
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#ifndef PF7
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#define PF7 7
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#endif
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#ifndef PF6
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#define PF6 6
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#endif
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#ifndef PF5
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#define PF5 5
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#endif
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#ifndef PF4
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#define PF4 4
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#endif
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#ifndef PF1
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#define PF1 1
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#endif
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#ifndef PF0
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#define PF0 0
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#endif
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#endif
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// missing avr-libc Linux defines
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#ifndef clock_prescale_set
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#define clock_div_1 0
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#define clock_div_2 1
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#define clock_div_4 2
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#define clock_div_8 3
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#define clock_div_16 4
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#define clock_div_32 5
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#define clock_div_64 6
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#define clock_div_128 7
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#define clock_div_256 8
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#define clock_prescale_set(x) \
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{ \
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uint8_t tmp = _BV(CLKPCE); \
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__asm__ __volatile__ ( \
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"in __tmp_reg__,__SREG__" "\n\t" \
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"cli" "\n\t" \
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"sts %1, %0" "\n\t" \
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"sts %1, %2" "\n\t" \
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"out __SREG__, __tmp_reg__" \
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: /* no outputs */ \
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: "d" (tmp), \
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"M" (_SFR_MEM_ADDR(CLKPR)), \
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"d" (x) \
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: "r0"); \
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}
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#endif
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#endif // MissingDefines.h
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