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鼠标解读（1）

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Yourtion
2016-04-11 17:29:04 +08:00
parent b1d9e512e0
commit 862d44010e
1 changed files with 25 additions and 4 deletions
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29
08_day/bootpack.c
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@@ -11,6 +11,7 @@ void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
char s[40], mcursor[256], keybuf[32], mousebuf[128];
unsigned char mouse_dbuf[3], mouse_phase;
int mx, my, i;
init_gdtidt();
@@ -34,6 +35,7 @@ void HariMain(void)
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
enable_mouse();
mouse_phase = 0; /* 进入到等待鼠标的0xfa的状态 */
for (;;) {
io_cli();
@@ -49,10 +51,29 @@ void HariMain(void)
} else if (fifo8_status(&mousefifo) != 0) {
i = fifo8_get(&mousefifo);
io_sti();
sprintf(s, "%02X", i);
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 47, 31);
putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
}
if (mouse_phase == 0) {
/* 等待鼠标的0xfa的状态 */
if (i == 0xfa) {
mouse_phase = 1;
}
} else if (mouse_phase == 1) {
/* 等待鼠标的第一字节 */
mouse_dbuf[0] = i;
mouse_phase = 2;
} else if (mouse_phase == 2) {
/* 等待鼠标的第二字节 */
mouse_dbuf[1] = i;
mouse_phase = 3;
} else if (mouse_phase == 3) {
/* 等待鼠标的第三字节 */
mouse_dbuf[2] = i;
mouse_phase = 1;
/* 鼠标的3个字节都齐了，显示出来 */
sprintf(s, "%02X %02X %02X", mouse_dbuf[0], mouse_dbuf[1], mouse_dbuf[2]);
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 32 + 8 * 8 - 1, 31);
putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
}
}
}
}
}