Vhex-kernel/include/kernel/util/casio.h

84 lines
2.1 KiB
C

#ifndef __KERNEL_UTIL_CASIO_H__
# define __KERNEL_UTIL_CASIO_H__
#include <stddef.h>
#include <stdint.h>
//---
// Casio's wrapper
//---
extern void casio_return_menu(int mode);
// Internal Casio datat structure
struct rect
{
int left;
int top;
int right;
int bottom;
};
// GetKeyWait macros
#define KEYWAIT_HALTON_TIMEROFF 0
#define KEYWAIT_HALTOFF_TIMEROFF 1
#define KEYWAIT_HALTON_TIMERON 2
//
// Casio prototypes.
//
/* GetKey() - display Casio's VRAM and wait keyboard input. */
void casio_GetKey(unsigned int *key);
void casio_GetKeyWait(int *row, int *column, int type_waiting, int timeout, int menu, unsigned int *key);
/* Bdisp_PutDisp_DD - display Casio's VRAM on screen */
void casio_Bdisp_PutDisp_DD(void);
/* Bdisp_AllClr_VRAM() - clear entirely the Casio's VRAM */
void casio_Bdisp_AllClr_VRAM(void);
/* Bdisp_AreaClr_VRAM() - clear only VRAM area. */
void casio_Bdisp_AreaClr_VRAM(const struct rect *buf);
/* PrintMini() - print string in Casio's VRAM (and display on screen ?) */
void casio_Bdisp_PrintMini(size_t x, size_t y, char const *str, int mode);
/* Bdisp_DrawLine_VRAM() - draw line in Casio's VRAM. */
void casio_Bdisp_DrawLine_VRAM(int x1, int y1, int x2, int y2);
/* RestoreDisp() - restore saved screen. */
void casio_RestoreDisp(unsigned char page);
/* SaveDisp() - save the content of the screen. */
void casio_SaveDisp(unsigned char page);
/* Malloc() - malloc syscall */
void *casio_Malloc(size_t size);
/* Free() - free syscall */
void *casio_Free(void *ptr);
/* GetVRAM - Get the Video RAM used by Casio */
void *casio_Bdisp_GetVRAM(void);
/* Bkey_PutKeyCode - Inject keycode to key buffer */
void casio_Bkey_PutKeymatrix(uint16_t *code);
// Internal casio abstraction.
static inline void dclear_area(int x1, int y1, int x2, int y2)
{
struct rect area = {.left = x1, .top = y1, .right = x2, .bottom = y2};
casio_Bdisp_AreaClr_VRAM(&area);
}
// Timer syscalls
extern int casio_TimerInstall(int id, void (*handler)(void), int delay_ms);
extern int casio_TimerUninstall(int id);
extern int casio_TimerStart(int id);
extern int casio_TimerStop(int id);
#endif /*__KERNEL_UTIL_CASIO_H__*/