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37 lines
933 B
C
37 lines
933 B
C
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/*
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* Copyright (C) 2010
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* Reinhard Meyer, reinhard.meyer@emk-elektronik.de
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*
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* Real-time Timer
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* Based on AT91SAM9XE datasheet
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_RTT_H
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#define AT91_RTT_H
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#ifndef __ASSEMBLY__
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typedef struct at91_rtt {
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u32 mr; /* Mode Register RW 0x00008000 */
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u32 ar; /* Alarm Register RW 0xFFFFFFFF */
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u32 vr; /* Value Register RO 0x00000000 */
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u32 sr; /* Status Register RO 0x00000000 */
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} at91_rtt_t;
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#endif /* __ASSEMBLY__ */
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#define AT91_RTT_MR_RTPRES 0x0000ffff
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#define AT91_RTT_MR_ALMIEN 0x00010000
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#define AT91_RTT_RTTINCIEN 0x00020000
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#define AT91_RTT_RTTRST 0x00040000
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#define AT91_RTT_SR_ALMS 0x00000001
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#define AT91_RTT_SR_RTTINC 0x00000002
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#endif
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