WarlockFish/30dayMakeOS
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从鼠标接收数据

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Yourtion
2014-09-17 16:47:16 +08:00
parent ac5586eb24
commit ab7d0506ed
2 changed files with 25 additions and 14 deletions
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25
07_day/bootpack.c
View File

@@ -3,14 +3,14 @@
#include "bootpack.h"
#include <stdio.h>
extern struct FIFO8 keyfifo;
extern struct FIFO8 keyfifo, mousefifo;
void enable_mouse(void);
void init_keyboard(void);
void HariMain(void)
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
char s[40], mcursor[256], keybuf[32];
char s[40], mcursor[256], keybuf[32], mousebuf[128];
int mx, my, i;
init_gdtidt();
@@ -18,6 +18,7 @@ void HariMain(void)
io_sti(); /* IDT/PICの初期化が終わったのでCPUの割り込み禁止を解除 */
fifo8_init(&keyfifo, 32, keybuf);
fifo8_init(&mousefifo, 128, mousebuf);
io_out8(PIC0_IMR, 0xf9); /* PIC1とキーボードを許可(11111001) */
io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */
@@ -36,14 +37,22 @@ void HariMain(void)
for (;;) {
io_cli();
if (fifo8_status(&keyfifo) == 0) {
if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) {
io_stihlt();
} else {
i = fifo8_get(&keyfifo);
io_sti();
sprintf(s, "%02X", i);
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
if (fifo8_status(&keyfifo) != 0) {
i = fifo8_get(&keyfifo);
io_sti();
sprintf(s, "%02X", i);
boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31);
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
} 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);
}
}
}
}

14
07_day/int.c
View File

@@ -39,15 +39,17 @@ void inthandler21(int *esp)
return;
}
struct FIFO8 mousefifo;
void inthandler2c(int *esp)
/* 来自PS/2鼠标的中断 */
{
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
boxfill8(binfo->vram, binfo->scrnx, COL8_000000, 0, 0, 32 * 8 - 1, 15);
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, "INT 2C (IRQ-12) : PS/2 mouse");
for (;;) {
io_hlt();
}
unsigned char data;
io_out8(PIC1_OCW2, 0x64); /* 通知PIC IRQ-12 已经受理完毕 */
io_out8(PIC0_OCW2, 0x62); /* 通知PIC IRQ-02 已经受理完毕 */
data = io_in8(PORT_KEYDAT);
fifo8_put(&mousefifo, data);
return;
}
void inthandler27(int *esp)