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modify the state machine;change to multi-parameter

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This commit is contained in:
xiaoxiao 2023-01-19 23:05:15 +08:00
parent f9a75fa1e4
commit 27c1d3c033
3 changed files with 104 additions and 168 deletions
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13
include/tty.h
View File

@ -27,13 +27,16 @@
#define TTY_STATE_WAIT_SPACE 2 /*010*/
#define TTY_STATE_DISPLAY 1 /*001*/
#define MAXNUM_PARAM 16
#define MAXNUM_PARAM_CH 100
typedef struct n_tty
{
int driver_type; // 1-vga&kbd; 2-serial
void *input_buf;
void *output_buf;
void (*write)(struct n_tty *tty, char ch);
int (*read)(struct n_tty *tty, char* buf, int nr);
int (*read)(struct n_tty *tty, char *buf, int nr);
void (*recvbuf)(struct n_tty *tty, u32 ch);
int (*ioctl)(struct n_tty *tty, u32 cmd, long arg);
} NTTY;
@ -42,8 +45,7 @@ enum CSI_state
{
CSI_ESC,
CSI_BRACKET,
CSI_PARAM1,
CSI_PARAM2
CSI_PARAM
};
typedef struct vga_buf
{
@ -56,14 +58,13 @@ typedef struct vga_buf
int cur_row;
int cur_col; // cursor position, on screen
bool Is2param;
bool IsColorReverse;
bool IsHide;
enum CSI_state CSI;
i16 param1; // the first param of CSI
i16 param2; // the second of CSI
char param_c[MAXNUM_PARAM_CH]; // the params of CSI
u16 param_num;
u16 color;
u16 last_color; // 为了某些功能关闭后，恢复原属性
} vga_buf;

230
kernel/csi.c
View File

@ -212,148 +212,71 @@ disable_hide(vga_buf *vgabuf)
}
}
void set_color(vga_buf *vgabuf)
void set_color(i16 param_cnt, i16 param[], vga_buf *vgabuf)
{
if (vgabuf->param1 == 0)
for (int i = 0; i <= param_cnt; i++)
{
if (param[i] == 0)
{
disable_reverse(vgabuf);
disable_hide(vgabuf);
vgabuf->color = DEFAULT_CHAR_COLOR;
}
else if (vgabuf->param1 == 7)
else if (param[i] == 7)
{
enable_reverse(vgabuf);
}
else if (vgabuf->param1 == 8)
else if (param[i] == 8)
{
enable_hide(vgabuf);
}
else if (vgabuf->param1 == 25)
{
disable_blink();
vgabuf->color &= (~FLASH_CHAR);
}
else if (vgabuf->param1 == 27)
else if (param[i] == 27)
{
disable_reverse(vgabuf);
}
else if (vgabuf->param1 == 28)
else if (param[i] == 28)
{
disable_hide(vgabuf);
}
else if (30 <= vgabuf->param1 && vgabuf->param1 <= 37)
else if (30 <= param[i] && param[i] <= 37)
{
vgabuf->param1 -= 30;
param12vga_color(&(vgabuf->param1));
vgabuf->color = (vgabuf->color & 0xf8ff) | FOREGROUND(vgabuf->param1);
param[i] -= 30;
param12vga_color(&(param[i]));
vgabuf->color = (vgabuf->color & 0xf8ff) | FOREGROUND(param[i]);
}
else if (vgabuf->param1 == 39)
else if (param[i] == 39)
{
u16 default_foreground = DEFAULT_CHAR_COLOR & 0x0f00;
vgabuf->color = (vgabuf->color & 0xf0ff) | default_foreground;
}
else if (40 <= vgabuf->param1 && vgabuf->param1 <= 47)
else if (40 <= param[i] && param[i] <= 47)
{
vgabuf->param1 -= 40;
param12vga_color(&(vgabuf->param1));
vgabuf->color = (vgabuf->color & 0x8fff) | BACKGROUND(vgabuf->param1);
param[i] -= 40;
param12vga_color(&(param[i]));
vgabuf->color = (vgabuf->color & 0x8fff) | BACKGROUND(param[i]);
}
else if (vgabuf->param1 == 49)
else if (param[i] == 49)
{
u16 default_background = DEFAULT_CHAR_COLOR & 0xf000;
vgabuf->color = (vgabuf->color & 0x0fff) | default_background;
}
else if (90 <= vgabuf->param1 && vgabuf->param1 <= 97)
else if (90 <= param[i] && param[i] <= 97)
{
vgabuf->param1 -= 90;
param12vga_color(&(vgabuf->param1));
vgabuf->param1 |= 0x8;
vgabuf->color = (vgabuf->color & 0xf0ff) | FOREGROUND(vgabuf->param1);
param[i] -= 90;
param12vga_color(&(param[i]));
param[i] |= 0x8;
vgabuf->color = (vgabuf->color & 0xf0ff) | FOREGROUND(param[i]);
}
else if (100 <= vgabuf->param1 && vgabuf->param1 <= 107)
else if (100 <= param[i] && param[i] <= 107)
{
vgabuf->param1 -= 100;
param12vga_color(&(vgabuf->param1));
vgabuf->param1 |= 0x8;
vgabuf->color = (vgabuf->color & 0x0fff) | BACKGROUND(vgabuf->param1);
param[i] -= 100;
param12vga_color(&(param[i]));
param[i] |= 0x8;
vgabuf->color = (vgabuf->color & 0x0fff) | BACKGROUND(param[i]);
}
else
{
warn("\x1b[47;93munsupport CSI: sgr param:%d\x1b[m\n", vgabuf->param1);
}
if (vgabuf->Is2param == true)
{
if (vgabuf->param2 == 0)
{
disable_reverse(vgabuf);
disable_hide(vgabuf);
vgabuf->color = DEFAULT_CHAR_COLOR;
}
// else if (vgabuf->param2 == 5 || vgabuf->param2 == 6)
// {
// enable_blink();
// vgabuf->color |= FLASH_CHAR;
// }
else if (vgabuf->param2 == 7)
{
enable_reverse(vgabuf);
}
else if (vgabuf->param2 == 8)
{
enable_hide(vgabuf);
}
else if (vgabuf->param2 == 25)
{
disable_blink();
vgabuf->color &= (~FLASH_CHAR);
}
else if (vgabuf->param2 == 27)
{
disable_reverse(vgabuf);
}
else if (vgabuf->param2 == 28)
{
disable_hide(vgabuf);
}
else if (30 <= vgabuf->param2 && vgabuf->param2 <= 37)
{
vgabuf->param2 -= 30;
param12vga_color(&(vgabuf->param2));
vgabuf->color = (vgabuf->color & 0xf8ff) | FOREGROUND(vgabuf->param2);
}
else if (vgabuf->param2 == 39)
{
u16 default_foreground = DEFAULT_CHAR_COLOR & 0x0f00;
vgabuf->color = (vgabuf->color & 0xf0ff) | default_foreground;
}
else if (40 <= vgabuf->param2 && vgabuf->param2 <= 47)
{
vgabuf->param2 -= 40;
param12vga_color(&(vgabuf->param2));
vgabuf->color = (vgabuf->color & 0x8fff) | BACKGROUND(vgabuf->param2);
}
else if (vgabuf->param2 == 49)
{
u16 default_background = DEFAULT_CHAR_COLOR & 0xf000;
vgabuf->color = (vgabuf->color & 0x0fff) | default_background;
}
else if (90 <= vgabuf->param2 && vgabuf->param2 <= 97)
{
vgabuf->param2 -= 90;
param12vga_color(&(vgabuf->param2));
vgabuf->param2 |= 0x8;
vgabuf->color = (vgabuf->color & 0xf0ff) | FOREGROUND(vgabuf->param2);
}
else if (100 <= vgabuf->param2 && vgabuf->param2 <= 107)
{
vgabuf->param2 -= 100;
param12vga_color(&(vgabuf->param2));
vgabuf->param2 |= 0x8;
vgabuf->color = (vgabuf->color & 0x0fff) | BACKGROUND(vgabuf->param2);
}
else
{
warn("\x1b[47;93unsupport CSI: sgr param:%d\n", vgabuf->param2);
warn("\x1b[47;93munsupport CSI: sgr param[%d]:%d\x1b[m\n", i, param[i]);
}
}
}
@ -405,88 +328,103 @@ void CSI_Erase_handler(vga_buf *vgabuf, int n)
void CSI_handler(u8 terminator, vga_buf *vgabuf)
{
vgabuf->CSI = CSI_ESC;
i16 param[MAXNUM_PARAM] = {0};
i16 param_cnt = 0;
for (int i = 0; i < vgabuf->param_num && param_cnt < MAXNUM_PARAM; i++)
{
u8 ch = vgabuf->param_c[i];
if (ch != ';')
{
param[param_cnt] = param[param_cnt] * 10 + ch - '0';
}
else
{
param_cnt++;
continue;
}
}
switch (terminator)
{
case 'A': // Cursor Up
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(-vgabuf->param1, 0, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_move(-param[0], 0, vgabuf);
break;
case 'B': // Cursor Down
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(+vgabuf->param1, 0, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_move(+param[0], 0, vgabuf);
break;
case 'C': // Cursor Forward
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(0, +vgabuf->param1, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_move(0, +param[0], vgabuf);
break;
case 'D': // Cursor Back
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(0, -vgabuf->param1, vgabuf); // nothing
if (param[0] == 0)
param[0] = 1;
cursor_move(0, -param[0], vgabuf); // nothing
break;
case 'E': // Cursor Next Line
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(+vgabuf->param1, -vgabuf->cur_col, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_move(+param[0], -vgabuf->cur_col, vgabuf);
break;
case 'F': // Cursor Previous Line
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_move(-vgabuf->param1, -vgabuf->cur_col, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_move(-param[0], -vgabuf->cur_col, vgabuf);
break;
case 'G': // Cursor Horizontal Absolute
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
cursor_locate(CYCLE_SUB(vgabuf->scr_top_line, vgabuf->scr_cur_line, SCR_MAXLINE), vgabuf->param1 - 1, vgabuf);
if (param[0] == 0)
param[0] = 1;
cursor_locate(CYCLE_SUB(vgabuf->scr_top_line, vgabuf->scr_cur_line, SCR_MAXLINE), param[0] - 1, vgabuf);
break;
case 'H': // Cursor Position
case 'f':
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
if (vgabuf->param2 == 0)
vgabuf->param2 = 1;
cursor_locate(vgabuf->param1 - 1, vgabuf->param2 - 1, vgabuf);
if (param[0] == 0)
param[0] = 1;
if (param[1] == 0)
param[1] = 1;
cursor_locate(param[0] - 1, param[1] - 1, vgabuf);
break;
case 'J': // Erase in Display
if (vgabuf->param1 == 0)
if (param[0] == 0)
// from Cursor Position to the end of the screen
clear_screen(vgabuf, vgabuf->scr_cur_line, vgabuf->cur_col, ADDLINE(vgabuf->scr_top_line, SCR_HEIGHT - 1), SCR_WIDTH - 1);
else if (vgabuf->param1 == 1)
else if (param[0] == 1)
// from Cursor Position to the start of the screen
clear_screen(vgabuf, vgabuf->scr_top_line, 0, vgabuf->scr_cur_line, vgabuf->cur_col);
else if (vgabuf->param1 == 2)
else if (param[0] == 2)
// The whole screen
CSI_Erase_handler(vgabuf, 2);
else if (vgabuf->param1 == 3)
else if (param[0] == 3)
// The whole screen and the buffer
CSI_Erase_handler(vgabuf, 3);
break;
case 'K': // Erase in Line
if (vgabuf->param1 == 0)
if (param[0] == 0)
// from Cursor Position to the end of the line
clear_screen(vgabuf, vgabuf->scr_cur_line, vgabuf->cur_col, vgabuf->scr_cur_line, SCR_WIDTH - 1);
else if (vgabuf->param1 == 1)
else if (param[0] == 1)
// from Cursor Position to the start of the line
clear_screen(vgabuf, vgabuf->scr_cur_line, 0, vgabuf->scr_cur_line, vgabuf->cur_col);
else if (vgabuf->param1 == 2)
else if (param[0] == 2)
// The whole line
clear_screen(vgabuf, vgabuf->scr_cur_line, 0, vgabuf->scr_cur_line, SCR_WIDTH - 1);
break;
case 'S': // Scroll Up
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
csi_scroll(vgabuf, -vgabuf->param1);
if (param[0] == 0)
param[0] = 1;
csi_scroll(vgabuf, -param[0]);
break;
case 'T': // Scroll Down
if (vgabuf->param1 == 0)
vgabuf->param1 = 1;
csi_scroll(vgabuf, +vgabuf->param1);
if (param[0] == 0)
param[0] = 1;
csi_scroll(vgabuf, +param[0]);
break;
case 'm': // Select Graphic Rendition
set_color(vgabuf);
set_color(param_cnt, param, vgabuf);
break;
}
}

25
kernel/vga.c
View File

@ -133,10 +133,10 @@ void vga_tty_init(NTTY *tty)
// buf->max_line = SCR_BUFSIZE / SCR_WIDTH;
vga->scr_top_line = vga->scr_cur_line = vga->scr_bot_line = 0;
vga->head_line = 0;
vga->Is2param = false;
vga->IsColorReverse = false;
vga->IsHide = false;
vga->color = DEFAULT_CHAR_COLOR;
vga->CSI = CSI_ESC;
u32 *ptr_buf = (u32 *)vga->buf;
for (int i = 0; i < SCR_BUFSIZE * sizeof(u16) / sizeof(u32); ++i)
{
@ -217,7 +217,6 @@ void vga_tty_write(NTTY *tty, char ch)
break;
case '\x1b':
vga->CSI = CSI_BRACKET;
vga->Is2param = false;
break;
default:
buf[INDEX(vga->scr_cur_line, vga->cur_col)] = MAKE_CELL(vga->color, ch);
@ -231,8 +230,13 @@ void vga_tty_write(NTTY *tty, char ch)
switch (ch)
{
case '[':
vga->CSI = CSI_PARAM1;
vga->param1 = vga->param2 = 0;
vga->CSI = CSI_PARAM;
// init
for (int i = 0; i < MAXNUM_PARAM_CH; i++)
{
vga->param_c[i] = 0;
}
vga->param_num = 0;
break;
default:
vga->CSI = CSI_ESC;
@ -253,18 +257,11 @@ void vga_tty_write(NTTY *tty, char ch)
case '7':
case '8':
case '9':
if (vga->CSI == CSI_PARAM1)
vga->param1 = vga->param1 * 10 + ch - '0';
else if (vga->CSI == CSI_PARAM2)
vga->param2 = vga->param2 * 10 + ch - '0';
else
; // do nothing
break;
case ';':
if (vga->CSI == CSI_PARAM1)
if (vga->param_num < MAXNUM_PARAM_CH)
{
vga->CSI = CSI_PARAM2;
vga->Is2param = true;
vga->param_c[vga->param_num] = ch;
vga->param_num++;
}
break;
default: