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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
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* ben/ben-io.h - I/O helper macros (for cross-platform testing on the Ben)
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*
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* Written 2012 by Werner Almesberger
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* Copyright 2012 Werner Almesberger
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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 BEN_IO_H
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#define BEN_IO_H
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#include <stdint.h>
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#define CARD_nPWR (1 << 2) /* PD02 */
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#define CARD_DAT2 (1 << 12) /* PD12 */
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#define CARD_DAT3 (1 << 13) /* PD13 */
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#define CARD_CMD (1 << 8) /* PD08 */
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#define CARD_CLK (1 << 9) /* PD09 */
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#define CARD_DAT0 (1 << 10) /* PD10 */
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#define CARD_DAT1 (1 << 11) /* PD11 */
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#define REG(n) (*(volatile uint32_t *) (ben_mem+(n)))
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#define GPIO(n) REG(0x10000+(n))
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#define PDPIN GPIO(0x300) /* port D pin level */
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#define PDDATS GPIO(0x314) /* port D data set */
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#define PDDATC GPIO(0x318) /* port D data clear */
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#define PDFUNS GPIO(0x344) /* port D function set */
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#define PDFUNC GPIO(0x348) /* port D function clear */
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#define PDDIRS GPIO(0x364) /* port D direction set */
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#define PDDIRC GPIO(0x368) /* port D direction clear */
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#define SET(mask) PDDATS = mask
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#define CLR(mask) PDDATC = mask
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#define OUT(mask) PDDIRS = mask
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#define IN(mask) PDDIRC = mask
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#define PIN(mask) (!!(PDPIN & (mask)))
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extern void *ben_mem;
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#endif /* BEN_IO_H */
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