87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
/*
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* Copyright (c) 2023, mr-library 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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* 2023-04-23 MacRsh first version
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*/
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#ifndef _PIN_H_
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#define _PIN_H_
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#include "mrapi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if (MR_CFG_PIN == MR_CFG_ENABLE)
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/**
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* @def Pin device mode
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*/
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#define MR_PIN_MODE_NONE 0
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#define MR_PIN_MODE_OUTPUT 1
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#define MR_PIN_MODE_OUTPUT_OD 2
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#define MR_PIN_MODE_INPUT 3
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#define MR_PIN_MODE_INPUT_DOWN 4
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#define MR_PIN_MODE_INPUT_UP 5
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/**
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* @def Pin device interrupt mode
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*/
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#define MR_PIN_MODE_IRQ_RISING 6
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#define MR_PIN_MODE_IRQ_FALLING 7
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#define MR_PIN_MODE_IRQ_EDGE 8
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#define MR_PIN_MODE_IRQ_LOW 9
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#define MR_PIN_MODE_IRQ_HIGH 10
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/**
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* @struct Pin device config
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*/
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struct mr_pin_config
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{
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mr_off_t number: 28;
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mr_uint32_t mode: 4;
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};
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typedef struct mr_pin_config *mr_pin_config_t;
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typedef struct mr_pin *mr_pin_t;
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/**
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* @struct Pin device operations
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*/
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struct mr_pin_ops
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{
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mr_err_t (*configure)(mr_pin_t pin, mr_pin_config_t config);
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mr_level_t (*read)(mr_pin_t pin, mr_off_t number);
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void (*write)(mr_pin_t pin, mr_off_t number, mr_level_t level);
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};
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/**
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* @struct Pin device
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*/
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struct mr_pin
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{
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struct mr_device device;
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const struct mr_pin_ops *ops;
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};
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/**
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* @addtogroup Pin device
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* @{
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*/
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mr_err_t mr_pin_device_add(mr_pin_t pin, const char *name, struct mr_pin_ops *ops, void *data);
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void mr_pin_device_isr(mr_pin_t pin, mr_off_t number);
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/** @} */
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PIN_H_ */ |