30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
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/*
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* Copyright (c) 2006-2022, 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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#ifndef __DT_BINDINGS_PIN_STATE_H__
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#define __DT_BINDINGS_PIN_STATE_H__
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#define PIND_FLAGS_BIT_DIR_SET (1 << 0)
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#define PIND_FLAGS_BIT_DIR_OUT (1 << 1)
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#define PIND_FLAGS_BIT_DIR_VAL (1 << 2)
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#define PIND_FLAGS_BIT_OPEN_DRAIN (1 << 3)
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#define PIND_FLAGS_BIT_NONEXCLUSIVE (1 << 4)
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/* Don't change anything */
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#define PIND_ASIS 0
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/* Set lines to input mode */
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#define PIND_IN PIND_FLAGS_BIT_DIR_SET
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/* Set lines to output and drive them low */
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#define PIND_OUT_LOW (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT)
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/* Set lines to output and drive them high */
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#define PIND_OUT_HIGH (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT | PIND_FLAGS_BIT_DIR_VAL)
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/* Set lines to open-drain output and drive them low */
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#define PIND_OUT_LOW_OPEN_DRAIN (PIND_OUT_LOW | PIND_FLAGS_BIT_OPEN_DRAIN)
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/* Set lines to open-drain output and drive them high */
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#define PIND_OUT_HIGH_OPEN_DRAIN (PIND_OUT_HIGH | PIND_FLAGS_BIT_OPEN_DRAIN)
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#endif /* __DT_BINDINGS_PIN_STATE_H__ */
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