122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*************************************************************************/ /**
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*****************************************************************************
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* @file tty.h
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* @brief
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* @author Forrest Y. Yu
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* @date 2005
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*****************************************************************************
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*****************************************************************************/
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/**********************************************************
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* tty.h //added by mingxuan 2019-5-17
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***********************************************************/
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#ifndef _ORANGES_TTY_H_
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#define _ORANGES_TTY_H_
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#include "type.h"
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#define TTY_IN_BYTES 256 /* tty input queue size */
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#define TTY_OUT_BUF_LEN 2 /* tty output buffer size */
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/* TTY state (3bit)
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wait_enter wait_space display
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1/0 1/0 1/0
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*/
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#define TTY_STATE_WAIT_ENTER 4 /*100*/
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#define TTY_STATE_WAIT_SPACE 2 /*010*/
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#define TTY_STATE_DISPLAY 1 /*001*/
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typedef struct n_tty
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{
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int driver_type; // 1-vga&kbd; 2-serial
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void *input_buf;
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void *output_buf;
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void (*write)(struct n_tty *tty, char ch);
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int (*read)(struct n_tty *tty, char* buf, int nr);
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void (*recvbuf)(struct n_tty *tty, u32 ch);
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int (*ioctl)(struct n_tty *tty, u32 cmd, long arg);
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} NTTY;
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enum CSI_state
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{
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CSI_ESC,
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CSI_BRACKET,
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CSI_PARAM1,
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CSI_PARAM2
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};
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typedef struct vga_buf
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{
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void *buf; // 2d array, screen size, for text mode it's [maxline][80]
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int max_line; // to support scroll, max line should be a lot more than screen
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int scr_top_line; // the index in buf of top line on screen;
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int scr_cur_line; // the index in buf of the cursor's line;
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int scr_bot_line; // the index in buf of the most-bottom printed line
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int head_line; // for circular buffer use
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int cur_row;
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int cur_col; // cursor position, on screen
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bool Is2param;
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bool IsColorReverse;
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bool IsHide;
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enum CSI_state CSI;
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i16 param1; // the first param of CSI
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i16 param2; // the second of CSI
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u16 color;
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u16 last_color; // 为了某些功能关闭后，恢复原属性
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} vga_buf;
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typedef struct keyboard_buf
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{
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void *buf; // 1d array, buffer input virtual line, works as a ldisc
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int tail;
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int head;
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int len;
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int readable;
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} keyboard_buf;
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typedef struct serial_buf
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{
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void *buf;
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int tail;
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int head;
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int len;
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int readable;
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} serial_buf;
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#include "console.h"
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NTTY *get_tty(const int nr_tty);
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void vga_tty_init(NTTY *tty);
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void vga_tty_write(NTTY *tty, char ch);
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void vga_tty_flush(NTTY *tty);
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void vga_tty_scroll(NTTY *tty, int direction);
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void vga_tty_select(NTTY *tty);
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void ps2_tty_init(NTTY *tty);
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int ps2_tty_read(NTTY *tty, char *buf, int nr);
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void ps2_tty_recvbuf(NTTY *tty, u32 key);
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#define CYCLE_SUB(head, tail, _max) ((head) <= (tail) ? (tail) - (head) : (tail) + (_max) - (head))
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#define NEXT(x, _max) (((x) + 1) % (_max))
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#define LAST(x, _max) (((x)-1) >= 0 ? ((x)-1) % (_max) : (_max)-1)
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#define FOREGROUND(color) ((u16)(color & 0xf) << 8)
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#define BACKGROUND(color) ((u16)(color & 0xf) << 12)
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// extern int cur_ntty;
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extern NTTY *cur_ntty;
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// extern NTTY ntty_table[3];
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#define IOCTL_CMD_TTY_SCROLL 1
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#define IOCTL_CMD_TTY_SELECTCON 2
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#define IOCTL_CMD_TTY_FLUSH 3
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#define TTY_SCROLL_UP 1
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#define TTY_SCROLL_DOWN 2
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#define TTY_SCROLL_TOCUR 3
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#endif /* _ORANGES_TTY_H_ */ |