mirror of
https://github.com/UberGuidoZ/Flipper.git
synced 2024-12-23 06:50:12 +00:00
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
|
|
* TamaLIB - A hardware agnostic Tamagotchi P1 emulation library
|
|
*
|
|
* Copyright (C) 2021 Jean-Christophe Rona <jc@rona.fr>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
#ifndef _HAL_H_
|
|
#define _HAL_H_
|
|
|
|
#include "../hal_types.h"
|
|
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
typedef enum {
|
|
LOG_ERROR = 0x1,
|
|
LOG_INFO = (0x1 << 1),
|
|
LOG_MEMORY = (0x1 << 2),
|
|
LOG_CPU = (0x1 << 3),
|
|
} log_level_t;
|
|
|
|
/* The Hardware Abstraction Layer
|
|
* NOTE: This structure acts as an abstraction layer between TamaLIB and the OS/SDK.
|
|
* All pointers MUST be implemented, but some implementations can be left empty.
|
|
*/
|
|
typedef struct {
|
|
/* Memory allocation functions
|
|
* NOTE: Needed only if breakpoints support is required.
|
|
*/
|
|
void* (*malloc)(u32_t size);
|
|
void (*free)(void* ptr);
|
|
|
|
/* What to do if the CPU has halted
|
|
*/
|
|
void (*halt)(void);
|
|
|
|
/* Log related function
|
|
* NOTE: Needed only if log messages are required.
|
|
*/
|
|
bool_t (*is_log_enabled)(log_level_t level);
|
|
void (*log)(log_level_t level, char* buff, ...);
|
|
|
|
/* Clock related functions
|
|
* NOTE: Timestamps granularity is configured with tamalib_init(), an accuracy
|
|
* of ~30 us (1/32768) is required for a cycle accurate emulation.
|
|
*/
|
|
void (*sleep_until)(timestamp_t ts);
|
|
timestamp_t (*get_timestamp)(void);
|
|
|
|
/* Screen related functions
|
|
* NOTE: In case of direct hardware access to pixels, the set_XXXX() functions
|
|
* (called for each pixel/icon update) can directly drive them, otherwise they
|
|
* should just store the data in a buffer and let update_screen() do the actual
|
|
* rendering (at 30 fps).
|
|
*/
|
|
void (*update_screen)(void);
|
|
void (*set_lcd_matrix)(u8_t x, u8_t y, bool_t val);
|
|
void (*set_lcd_icon)(u8_t icon, bool_t val);
|
|
|
|
/* Sound related functions
|
|
* NOTE: set_frequency() changes the output frequency of the sound, while
|
|
* play_frequency() decides whether the sound should be heard or not.
|
|
*/
|
|
void (*set_frequency)(u32_t freq);
|
|
void (*play_frequency)(bool_t en);
|
|
|
|
/* Event handler from the main app (if any)
|
|
* NOTE: This function usually handles button related events, states loading/saving ...
|
|
*/
|
|
int (*handler)(void);
|
|
} hal_t;
|
|
|
|
extern hal_t* g_hal;
|
|
|
|
#endif /* _HAL_H_ */
|