From fb39c7466eee02ba0cfec4049b190a53c94afa23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B5=9C=EC=A4=80=EC=98=81?= <choi2054578@ajou.ac.kr>
Date: Fri, 3 Jul 2020 20:34:03 +0900
Subject: [PATCH] Add new file
---
motion_app.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
create mode 100644 motion_app.c
diff --git a/motion_app.c b/motion_app.c
new file mode 100644
index 0000000..b42c58e
--- /dev/null
+++ b/motion_app.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/sysmacros.h>
+
+
+#define MOTION_MAJOR_NUMBER 500
+#define MOTION_MINOR_NUMBER 100
+#define MOTION_DEV_PATH_NAME "/dev/motion_ioctl"
+
+#define IOCTL_MAGIC_NUMBER 'm'
+#define IOCTL_CMD_MOTION_ON _IO(IOCTL_MAGIC_NUMBER, 0)
+#define IOCTL_CMD_MOTION_OFF _IO(IOCTL_MAGIC_NUMBER, 1)
+
+int main(void) {
+ dev_t motion_dev;
+ int fd;
+ motion_dev = makedev(MOTION_MAJOR_NUMBER, MOTION_MINOR_NUMBER);
+ mknod(MOTION_DEV_PATH_NAME, S_IFCHR | 0666, motion_dev);
+
+
+ fd = open(MOTION_DEV_PATH_NAME, O_RDWR);
+
+ if (fd < 0) {
+ printf("fail to open motion\n");
+ return -1;
+ }
+
+ int i = 0;
+
+ while (i < 100) {
+ if (ioctl(fd, IOCTL_CMD_MOTION_ON, 0) == 1) {
+ printf("HIGH\n");
+ sleep(1);
+ i++;
+ }
+ else
+ printf("LOW\n");
+ sleep(1);
+ i++;
+ }
+
+ close(fd);
+ return 0;
+}
--
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