对各种锁定键的支持

yourtion · Apr 26, 2016 · 216f914 · 216f914
1 parent 2b66917
commit 216f914
Showing 1 changed file with 38 additions and 3 deletions.
diff --git a/17_day/bootpack.c b/17_day/bootpack.c
@@ -9,12 +9,14 @@ void putfonts8_asc_sht(struct SHEET *sht, int x, int y, int c, int b, char *s, i
 void make_textbox8(struct SHEET *sht, int x0, int y0, int sx, int sy, int c);
 void console_task(struct SHEET *sheet);
 
+#define KEYCMD_LED 0xed
+
 void HariMain(void)
 {
 	struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO;
-	struct FIFO32 fifo;
 	char s[40];
-	int fifobuf[128];
+	struct FIFO32 fifo, keycmd;
+	int fifobuf[128], keycmd_buf[32];
 	int mx, my, i, cursor_x, cursor_c;
 	unsigned int memtotal;
 	struct MOUSE_DEC mdec;
@@ -44,7 +46,7 @@ void HariMain(void)
 		0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
 		0,   0,   0,   '_', 0,   0,   0,   0,   0,   0,   0,   0,   0,   '|', 0,   0
 	};
-	int key_to = 0, key_shift = 0, key_leds = (binfo->leds >> 4) & 7;
+	int key_to = 0, key_shift = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1;
 
 	init_gdtidt();
 	init_pic();
@@ -55,6 +57,7 @@ void HariMain(void)
 	enable_mouse(&fifo, 512, &mdec);
 	io_out8(PIC0_IMR, 0xf8); /* 设定PIT和PIC1以及键盘为许可(11111000) */
 	io_out8(PIC1_IMR, 0xef); /* 开放鼠标中断(11101111) */
+	fifo32_init(&keycmd, 32, keycmd_buf, 0);
 
 	memtotal = memtest(0x00400000, 0xbfffffff);
 	memman_init(memman);
@@ -124,7 +127,17 @@ void HariMain(void)
 			memtotal / (1024 * 1024), memman_total(memman) / 1024);
 	putfonts8_asc_sht(sht_back, 0, 32, COL8_FFFFFF, COL8_008484, s, 40);
 
+	/*为了避免和键盘当前状态冲突，在一开始先进行设置*/
+	fifo32_put(&keycmd, KEYCMD_LED);
+	fifo32_put(&keycmd, key_leds);
+
 	for (;;) {
+		if (fifo32_status(&keycmd) > 0 && keycmd_wait < 0) {
+			/*如果存在向键盘控制器发送的数据，则发送它 */
+			keycmd_wait = fifo32_get(&keycmd);
+			wait_KBC_sendready();
+			io_out8(PORT_KEYDAT, keycmd_wait);
+		}
 		io_cli();
 		if (fifo32_status(&fifo) == 0) {
 			task_sleep(task_a);
@@ -197,6 +210,28 @@ void HariMain(void)
 				if (i == 256 + 0xb6) { /*右Shift OFF */
 					key_shift &= ~2;
 				}
+				if (i == 256 + 0x3a) { /* CapsLock */
+					key_leds ^= 4;
+					fifo32_put(&keycmd, KEYCMD_LED);
+					fifo32_put(&keycmd, key_leds);
+				}
+				if (i == 256 + 0x45) { /* NumLock */
+					key_leds ^= 2;
+					fifo32_put(&keycmd, KEYCMD_LED);
+					fifo32_put(&keycmd, key_leds);
+				}
+				if (i == 256 + 0x46) { /* ScrollLock */
+					key_leds ^= 1;
+					fifo32_put(&keycmd, KEYCMD_LED);
+					fifo32_put(&keycmd, key_leds);
+				}
+				if (i == 256 + 0xfa) { /*键盘成功接收到数据*/
+					keycmd_wait = -1;
+				}
+				if (i == 256 + 0xfe) { /*键盘没有成功接收到数据*/
+					wait_KBC_sendready();
+					io_out8(PORT_KEYDAT, keycmd_wait);
+				}
 				/*重新显示光标*/
 				boxfill8(sht_win->buf, sht_win->bxsize, cursor_c, cursor_x, 28, cursor_x + 7, 43);
 				sheet_refresh(sht_win, cursor_x, 28, cursor_x + 8, 44);