Add a test app for the hpet driver (which I'll commit later)

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42836 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/add-ons/kernel/drivers/Jamfile

@@ -1,5 +1,6 @@
 SubDir HAIKU_TOP src tests add-ons kernel drivers ;
 
 SubInclude HAIKU_TOP src tests add-ons kernel drivers audio ;
+SubInclude HAIKU_TOP src tests add-ons kernel drivers hpet ;
 SubInclude HAIKU_TOP src tests add-ons kernel drivers random ;
 SubInclude HAIKU_TOP src tests add-ons kernel drivers tty ;

src/tests/add-ons/kernel/drivers/hpet/Jamfile

@@ -0,0 +1,10 @@
+SubDir HAIKU_TOP src tests add-ons kernel drivers hpet ;
+
+UseHeaders [ FDirName $(HAIKU_TOP) src add-ons kernel drivers timer ] : true ;
+
+Application hpet_test : 
+	main.cpp	
+	: be $(TARGET_LIBSUPC++)
+	;
+
+

src/tests/add-ons/kernel/drivers/hpet/main.cpp

@@ -0,0 +1,47 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <OS.h>
+
+#include <hpet_interface.h>
+
+int main()
+{
+	int hpetFD = open("/dev/misc/hpet", O_RDWR);
+	if (hpetFD < 0) {
+		printf("Cannot open HPET driver: %s\n", strerror(errno));
+		return -1;	
+	}
+
+	uint64 value, newValue;
+	read(hpetFD, &value, sizeof(uint64));
+
+	snooze(1000000);
+
+	read(hpetFD, &newValue, sizeof(uint64));
+	printf("HPET counter value difference (1 sec): %lld\n", newValue - value);
+
+	status_t status;
+	bigtime_t timeValue = 2000000;
+	printf("Waiting 2 seconds...\n");
+	status = ioctl(hpetFD, HPET_WAIT_TIMER, &timeValue, sizeof(timeValue));
+	printf("%s.\n", strerror(status));
+
+	timeValue = 5000000;
+	printf("Waiting 5 seconds...\n");
+	status = ioctl(hpetFD, HPET_WAIT_TIMER, &timeValue, sizeof(timeValue));
+	printf("%s.\n", strerror(status));
+
+	timeValue = 1000000;
+	printf("Waiting 1 second...\n");
+	status = ioctl(hpetFD, HPET_WAIT_TIMER, &timeValue, sizeof(timeValue));
+	printf("%s.\n", strerror(status));
+
+	close(hpetFD);
+
+	return 0;
+}
+