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38 lines
923 B
38 lines
923 B
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2011-01-13 weety first version
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*/
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#ifndef __IRQ_H__
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#define __IRQ_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* IRQ line status.
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*
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* Bits 0-7 are reserved
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*
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* IRQ types
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*/
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#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */
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#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */
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#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */
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#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
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#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */
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#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */
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#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */
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#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */
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#ifdef __cplusplus
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}
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#endif
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#endif
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