X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;ds=sidebyside;f=mart%2Fex10%2Fex10dslave.c;h=d22e18dc68f614b85885f6e97ef01bc38c098b49;hb=d4ffd6b8e6ebaea4e2a03260c34f5a8e90df1953;hp=f7e37a5b35a21e052ae563759f3b96431ee417a4;hpb=9fa12b6daf2e28a74141eea4b1e3c96feca23355;p=des2015.git

diff --git a/mart/ex10/ex10dslave.c b/mart/ex10/ex10dslave.c
index f7e37a5..d22e18d 100644
--- a/mart/ex10/ex10dslave.c
+++ b/mart/ex10/ex10dslave.c
@@ -18,33 +18,28 @@ void lpt1_handler(void *arg)
 {
 	RT_INTR intr;
 	rt_intr_create(&intr, "lpt1 handler", LPT1IRQ, 0);
-	int bps = 0;
+
+	rt_printf("Listening...\n");
 	while(1){
-		rt_printf("lpt1 interrupt: %d\n",
-                bps += rt_intr_wait(&intr, TM_INFINITE));
+		rt_intr_wait(&intr, TM_INFINITE);
+		outb(inb(0x378) & 0xEF, 0x378);
+		outb(inb(0x378) | 0x01, 0x378);
 	}
 }
 
 int main(int argc, char* argv[])
 {
 	rt_print_auto_init(1);
-
-    /* setup lpt1 */
-    ioperm(0x37A, 1, 1);
-    unsigned char byte = inb(0x37A);
-    byte |= 0x10;
-    outb(byte, 0x37A);
-
 	mlockall(MCL_CURRENT | MCL_FUTURE);
 
+	ioperm(0x37A, 1, 1);
+	ioperm(0x378, 1, 1);
+	outb(inb(0x37A) | 0x01, 0x37A);
+	outb(inb(0x378) | 0x01, 0x378);
+
 	rt_task_create(&task, "task", 0, 50, 0);
 	rt_task_start(&task, &lpt1_handler, 0);
 
-	rt_printf("CRTL+C to stop\n");
+	rt_printf("CRTL+C to quit\n");
 	pause();
-
-    /* break down lpt1 */
-    byte = inb(0x37A);
-    byte &= 0xEF;
-    outb(byte, 0x37A);
 }