30 lines
1.2 KiB
C
Executable File
30 lines
1.2 KiB
C
Executable File
/*
|
|
* Copyright (c) 2006-2022, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef __DT_BINDINGS_PIN_STATE_H__
|
|
#define __DT_BINDINGS_PIN_STATE_H__
|
|
|
|
#define PIND_FLAGS_BIT_DIR_SET (1 << 0)
|
|
#define PIND_FLAGS_BIT_DIR_OUT (1 << 1)
|
|
#define PIND_FLAGS_BIT_DIR_VAL (1 << 2)
|
|
#define PIND_FLAGS_BIT_OPEN_DRAIN (1 << 3)
|
|
#define PIND_FLAGS_BIT_NONEXCLUSIVE (1 << 4)
|
|
|
|
/* Don't change anything */
|
|
#define PIND_ASIS 0
|
|
/* Set lines to input mode */
|
|
#define PIND_IN PIND_FLAGS_BIT_DIR_SET
|
|
/* Set lines to output and drive them low */
|
|
#define PIND_OUT_LOW (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT)
|
|
/* Set lines to output and drive them high */
|
|
#define PIND_OUT_HIGH (PIND_FLAGS_BIT_DIR_SET | PIND_FLAGS_BIT_DIR_OUT | PIND_FLAGS_BIT_DIR_VAL)
|
|
/* Set lines to open-drain output and drive them low */
|
|
#define PIND_OUT_LOW_OPEN_DRAIN (PIND_OUT_LOW | PIND_FLAGS_BIT_OPEN_DRAIN)
|
|
/* Set lines to open-drain output and drive them high */
|
|
#define PIND_OUT_HIGH_OPEN_DRAIN (PIND_OUT_HIGH | PIND_FLAGS_BIT_OPEN_DRAIN)
|
|
|
|
#endif /* __DT_BINDINGS_PIN_STATE_H__ */
|