53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*******************************************************************************
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* NewOswan
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* device.h:
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*
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* Created by Manoël Trapier on 19/12/2021.
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* Copyright (c) 2014-2022 986-Studio. All rights reserved.
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*
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******************************************************************************/
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#ifndef __DEVICE_H__
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#define __DEVICE_H__
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#include <stdint.h>
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/***
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* Ticks are the fasted clock in the system
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* Each device which need to be clocked use a multiple of the tick
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* number as their own clock.
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*/
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typedef uint64_t tick_t
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typedef void (*device_init)(uint8_t baseAddress, void *param);
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typedef void (*device_reset)(void);
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typedef void (*device_free)(void);
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typedef void (*device_update)(tick_t ticks);
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typedef enum device_type_t
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{
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DT_INTERRUPT_CONTROLLER,
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DT_GPU,
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DT_BUTTONS,
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DT_DMA,
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DT_LUXOR,
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DT_AUDIO,
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DT_SYSTEM,
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DT_RTC,
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DT_RS232,
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DT_EEPROM,
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DT_DEBUG,
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} device_type_t;
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typedef struct device_t
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{
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device_init init; /***< Function called to init the device - Non optional */
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device_update update; /***< Function called on updates - Optional */
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device_reset reset; /***< Function called to reset the device - Optional */
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device_free free; /***< Function called to deinit the device - Optional */
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device_type_t deviceType; /***< Used to tell the type of device, could be useful to pass the
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* right parameters to init - Non optional */
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} device_t;
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#endif /* __DEVICE_H__ */
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