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

131 lines
3.9 KiB
C

#ifndef __KERNEL_UTIL_CASIO_H__
# define __KERNEL_UTIL_CASIO_H__
#include <stddef.h>
#include <stdint.h>
#include <sys/types.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);
//---
// Bfile syscalls
//---
//@note: Graph35+II define
// DT_ADDIN_APP -> 65
// DT_DIRECTORY -> 0
// DT_DOT -> 8
// DT_DOT_DOT -> 9
#define DT_DIRECTORY 0x0000 // Directory
#define DT_FILE 0x0001 // File
#define DT_ADDIN_APP 0x0002 // Add-In application
#define DT_EACT 0x0003 // eActivity
#define DT_LANGUAGE 0x0004 // Language
#define DT_BITMAP 0x0005 // Bitmap
#define DT_MAINMEM 0x0006 // Main Memory data
#define DT_TEMP 0x0007 // Temporary data
#define DT_DOT 0x0008 // . (Current directory)
#define DT_DOTDOT 0x0009 // .. (Parent directory)
#define DT_VOLUME 0x000A // Volume label
// @note: unsed with Graph35+
#define _OPENMODE_READ 0x01
#define _OPENMODE_READ_SHARE 0x80
#define _OPENMODE_WRITE 0x02
#define _OPENMODE_READWRITE 0x03
#define _OPENMODE_READWRITE_SHARE 0x83
// Internal Casio's structure to dump file's informations
struct casio_file_info
{
uint16_t id; // File index
uint16_t type; // File type
struct {
uint32_t file; // File size (data + header)
uint32_t data; // Data size (without header)
} size;
uint32_t address; // Data address ?
};
extern int casio_Bfile_OpenFile(uint16_t *pathname, int mode);
extern int casio_Bfile_ReadFile(int handle, void *buffer, size_t count, off_t pos);
extern int casio_Bfile_FindFirst(uint16_t *search_path, int *handle,
uint16_t *pathname, struct casio_file_info *file_info);
extern int casio_Bfile_FindNext(int handle, uint16_t *pathname, struct casio_file_info *file_info);
extern int casio_Bfile_FindClose(int handle);
extern int casio_Bfile_CloseFile(int handle);
#endif /*__KERNEL_UTIL_CASIO_H__*/