auto import from //depot/cupcake/@135843

1 files changed, 80 insertions, 0 deletions

diff --git a/toolbox/sendevent.c b/toolbox/sendevent.c
new file mode 100644
index 000000000..1608e6c77
--- /dev/null
+++ b/toolbox/sendevent.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+//#include <linux/input.h> // this does not compile
+#include <errno.h>
+
+
+// from <linux/input.h>
+
+struct input_event {
+	struct timeval time;
+	__u16 type;
+	__u16 code;
+	__s32 value;
+};
+
+#define EVIOCGVERSION		_IOR('E', 0x01, int)			/* get driver version */
+#define EVIOCGID		_IOR('E', 0x02, struct input_id)	/* get device ID */
+#define EVIOCGKEYCODE		_IOR('E', 0x04, int[2])			/* get keycode */
+#define EVIOCSKEYCODE		_IOW('E', 0x04, int[2])			/* set keycode */
+
+#define EVIOCGNAME(len)		_IOC(_IOC_READ, 'E', 0x06, len)		/* get device name */
+#define EVIOCGPHYS(len)		_IOC(_IOC_READ, 'E', 0x07, len)		/* get physical location */
+#define EVIOCGUNIQ(len)		_IOC(_IOC_READ, 'E', 0x08, len)		/* get unique identifier */
+
+#define EVIOCGKEY(len)		_IOC(_IOC_READ, 'E', 0x18, len)		/* get global keystate */
+#define EVIOCGLED(len)		_IOC(_IOC_READ, 'E', 0x19, len)		/* get all LEDs */
+#define EVIOCGSND(len)		_IOC(_IOC_READ, 'E', 0x1a, len)		/* get all sounds status */
+#define EVIOCGSW(len)		_IOC(_IOC_READ, 'E', 0x1b, len)		/* get all switch states */
+
+#define EVIOCGBIT(ev,len)	_IOC(_IOC_READ, 'E', 0x20 + ev, len)	/* get event bits */
+#define EVIOCGABS(abs)		_IOR('E', 0x40 + abs, struct input_absinfo)		/* get abs value/limits */
+#define EVIOCSABS(abs)		_IOW('E', 0xc0 + abs, struct input_absinfo)		/* set abs value/limits */
+
+#define EVIOCSFF		_IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect))	/* send a force effect to a force feedback device */
+#define EVIOCRMFF		_IOW('E', 0x81, int)			/* Erase a force effect */
+#define EVIOCGEFFECTS		_IOR('E', 0x84, int)			/* Report number of effects playable at the same time */
+
+#define EVIOCGRAB		_IOW('E', 0x90, int)			/* Grab/Release device */
+
+// end <linux/input.h>
+
+
+
+int sendevent_main(int argc, char *argv[])
+{
+    int i;
+    int fd;
+    int ret;
+    int version;
+    struct input_event event;
+
+    if(argc != 5) {
+        fprintf(stderr, "use: %s device type code value\n", argv[0]);
+        return 1;
+    }
+
+    fd = open(argv[1], O_RDWR);
+    if(fd < 0) {
+        fprintf(stderr, "could not open %s, %s\n", argv[optind], strerror(errno));
+        return 1;
+    }
+    if (ioctl(fd, EVIOCGVERSION, &version)) {
+        fprintf(stderr, "could not get driver version for %s, %s\n", argv[optind], strerror(errno));
+        return 1;
+    }
+    memset(&event, 0, sizeof(event));
+    event.type = atoi(argv[2]);
+    event.code = atoi(argv[3]);
+    event.value = atoi(argv[4]);
+    ret = write(fd, &event, sizeof(event));
+    if(ret < sizeof(event)) {
+        fprintf(stderr, "write event failed, %s\n", strerror(errno));
+        return -1;
+    }
+    return 0;
+}