mirror of
https://github.com/yourtion/30dayMakeOS.git
synced 2026-02-05 02:53:19 +08:00
Compare commits
1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
8d21f13cb5 |
@@ -4,117 +4,137 @@
|
||||
#include <stdio.h>
|
||||
|
||||
extern struct FIFO8 keyfifo, mousefifo;
|
||||
void enable_mouse(void);
|
||||
|
||||
struct MOUSE_DEC {
|
||||
unsigned char buf[3], phase;
|
||||
};
|
||||
|
||||
void init_keyboard(void);
|
||||
void enable_mouse(struct MOUSE_DEC *mdec);
|
||||
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat);
|
||||
|
||||
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;
|
||||
struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
|
||||
struct MOUSE_DEC mdec;
|
||||
char s[40], mcursor[256], keybuf[32], mousebuf[128];
|
||||
int mx, my, i;
|
||||
|
||||
init_gdtidt();
|
||||
init_pic();
|
||||
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 */
|
||||
init_gdtidt();
|
||||
init_pic();
|
||||
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) */
|
||||
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) */
|
||||
|
||||
init_keyboard();
|
||||
init_keyboard();
|
||||
|
||||
init_palette();
|
||||
init_screen8(binfo->vram, binfo->scrnx, binfo->scrny);
|
||||
mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */
|
||||
my = (binfo->scrny - 28 - 16) / 2;
|
||||
init_mouse_cursor8(mcursor, COL8_008484);
|
||||
putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16);
|
||||
sprintf(s, "(%d, %d)", mx, my);
|
||||
putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
|
||||
init_palette();
|
||||
init_screen8(binfo->vram, binfo->scrnx, binfo->scrny);
|
||||
mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */
|
||||
my = (binfo->scrny - 28 - 16) / 2;
|
||||
init_mouse_cursor8(mcursor, COL8_008484);
|
||||
putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16);
|
||||
sprintf(s, "(%d, %d)", mx, my);
|
||||
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 */
|
||||
enable_mouse(&mdec);
|
||||
|
||||
for (;;) {
|
||||
io_cli();
|
||||
if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) {
|
||||
io_stihlt();
|
||||
} else {
|
||||
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();
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
for (;;) {
|
||||
io_cli();
|
||||
if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) {
|
||||
io_stihlt();
|
||||
} else {
|
||||
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();
|
||||
if (mouse_decode(&mdec, i) != 0) {
|
||||
/* 3字节都凑齐了，所以把它们显示出来*/
|
||||
sprintf(s, "%02X %02X %02X", mdec.buf[0], mdec.buf[1], mdec.buf[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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#define PORT_KEYDAT 0x0060
|
||||
#define PORT_KEYSTA 0x0064
|
||||
#define PORT_KEYCMD 0x0064
|
||||
#define KEYSTA_SEND_NOTREADY 0x02
|
||||
#define KEYCMD_WRITE_MODE 0x60
|
||||
#define KBC_MODE 0x47
|
||||
#define PORT_KEYDAT 0x0060
|
||||
#define PORT_KEYSTA 0x0064
|
||||
#define PORT_KEYCMD 0x0064
|
||||
#define KEYSTA_SEND_NOTREADY 0x02
|
||||
#define KEYCMD_WRITE_MODE 0x60
|
||||
#define KBC_MODE 0x47
|
||||
|
||||
void wait_KBC_sendready(void)
|
||||
{
|
||||
/* 等待键盘控制电路准备完毕 */
|
||||
for (;;) {
|
||||
if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return;
|
||||
/* 等待键盘控制电路准备完毕 */
|
||||
for (;;) {
|
||||
if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void init_keyboard(void)
|
||||
{
|
||||
/* 初始化键盘控制电路 */
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE);
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYDAT, KBC_MODE);
|
||||
return;
|
||||
/* 初始化键盘控制电路 */
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE);
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYDAT, KBC_MODE);
|
||||
return;
|
||||
}
|
||||
|
||||
#define KEYCMD_SENDTO_MOUSE 0xd4
|
||||
#define MOUSECMD_ENABLE 0xf4
|
||||
#define KEYCMD_SENDTO_MOUSE 0xd4
|
||||
#define MOUSECMD_ENABLE 0xf4
|
||||
|
||||
void enable_mouse(void)
|
||||
{
|
||||
/* 激活鼠标 */
|
||||
void enable_mouse(struct MOUSE_DEC *mdec){
|
||||
/* 鼠标有效 */
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE);
|
||||
wait_KBC_sendready();
|
||||
io_out8(PORT_KEYDAT, MOUSECMD_ENABLE);
|
||||
return; /* 顺利的话，键盘控制器会返回ACK(0xfa) */
|
||||
}
|
||||
/* 顺利的话，ACK(0xfa)会被送过来 */
|
||||
mdec->phase = 0; /* 等待0xfa的阶段 */
|
||||
return;
|
||||
}
|
||||
|
||||
int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat){
|
||||
if (mdec->phase == 0) {
|
||||
/* 等待鼠标的0xfa的阶段 */
|
||||
if (dat == 0xfa) {
|
||||
mdec->phase = 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
if (mdec->phase == 1) {
|
||||
/* 等待鼠标第一字节的阶段 */
|
||||
mdec->buf[0] = dat;
|
||||
mdec->phase = 2;
|
||||
return 0;
|
||||
}
|
||||
if (mdec->phase == 2) {
|
||||
/* 等待鼠标第二字节的阶段 */
|
||||
mdec->buf[1] = dat;
|
||||
mdec->phase = 3;
|
||||
return 0;
|
||||
}
|
||||
if (mdec->phase == 3) {
|
||||
/* 等待鼠标第二字节的阶段 */
|
||||
mdec->buf[2] = dat;
|
||||
mdec->phase = 1;
|
||||
return 1;
|
||||
}
|
||||
/* 应该不可能到这里来 */
|
||||
return -1;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user