diff --git a/hanvon-libusb.c b/hanvon-libusb.c
index 71e62b6..c8c7c59 100644
--- a/hanvon-libusb.c
+++ b/hanvon-libusb.c
@@ -15,6 +15,8 @@
  * =====================================================================================
  */
 
+#define DEBUG(msg,...) fprintf(stderr,"%s(%d): " msg , __FILE__,__LINE__,__VA_ARGS__)
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <libusb-1.0/libusb.h>
@@ -58,20 +60,17 @@
 #define AM_MAX_TILT_Y   0x7f
 #define AM_MAX_PRESSURE   0x400
 
-
-
-struct hanvon {
-	unsigned char *data;
-	//dma_addr_t data_dma;
-	struct input_dev *dev;
-	struct usb_device *usbdev;
-	struct urb *irq;
-	int old_wheel_pos;
-	char phys[32];
+struct hanvon_message 
+{
+    unsigned char msgtype;
+    unsigned char is_move;
+    unsigned short x_movement;
+    unsigned short y_movement;
+    unsigned char pressure;
+    unsigned char x_tilt;
+    unsigned char y_tilt;
 };
 
-
-
 int find_device(libusb_device **list, unsigned int count) {
 	if (count < 0) {
 		return -1;
@@ -111,9 +110,9 @@ int find_device(libusb_device **list, unsigned int count) {
 
 void display_packets(const unsigned char* buf) {
     for(int i = 0; i < AM_PACKET_LEN; i++) {
-        printf("0x%x, ", buf[i]);
+        fprintf(stderr,"0x%x, ", buf[i]);
     }
-    printf("\n");
+    fprintf(stderr,"\n");
 }
 
 void callback(struct libusb_transfer *transfer) {
@@ -123,19 +122,42 @@ void callback(struct libusb_transfer *transfer) {
 
 void callback_gp0504 (struct libusb_transfer *tx) { // for callback
     unsigned char *data = tx -> buffer;
+    struct hanvon_message *msg = (struct hanvon_message *)tx -> buffer;
     unsigned short temp;
     int err   = 0;
     struct libevdev_uinput *ud = tx -> user_data;
-    switch(data[0]) {
+    switch(msg->msgtype) {
         case 0x01:
+            display_packets(data);
             break;
         case 0x02:
+            /*is_move values:
+                0x80: near
+                0x10: floating
+                0x02: button press
+                0x01: touching
+            */
+            if(msg->is_move & (0x80|0x10))
+            {
+                msg->x_movement = htobe16(msg->x_movement);
+                //DEBUG("Set X to %x\n",msg->x_movement);
+                err = libevdev_uinput_write_event(ud, EV_ABS, ABS_X, msg->x_movement);
+                if(err) { DEBUG("err: %d\n",err); }
+                msg->y_movement = htobe16(msg->y_movement);
+                //DEBUG("Set Y to %x\n",msg->y_movement);
+                err = libevdev_uinput_write_event(ud, EV_ABS, ABS_Y, msg->y_movement);
+                if(err) { DEBUG("err: %d\n",err); }
+            }
+            err = libevdev_uinput_write_event(ud, EV_KEY, BTN_LEFT, msg->is_move & 0x01);
+            if(err) { DEBUG("err: %d\n",err); }
+            err = libevdev_uinput_write_event(ud, EV_KEY, BTN_RIGHT, msg->is_move & 0x02);
+            if(err) { DEBUG("err: %d\n",err); }
             // pen touches surface
-            err += libevdev_uinput_write_event(ud, EV_KEY, BTN_LEFT, data[6] > 68);
+            //err += libevdev_uinput_write_event(ud, EV_KEY, BTN_LEFT, data[6] > 68);
             // data[1]:
             // 0x10 = lift,         0x90 = close,           0x91 = press
             // 0x12 = btn (lift),   0x92 = btn (close),     0x93 = btn (press)
-            err += libevdev_uinput_write_event(ud, EV_KEY, BTN_RIGHT, data[1] & 0x02);
+            //err += libevdev_uinput_write_event(ud, EV_KEY, BTN_RIGHT, data[1] & 0x02);
 //             if((data[1] & 0xf0) != 0) {
 //                 //absolute x
 //                 temp = data[2];
@@ -148,7 +170,11 @@ void callback_gp0504 (struct libusb_transfer *tx) { // for callback
 //                 temp += data[5];
 //                 err += libevdev_uinput_write_event(ud, EV_ABS, ABS_Y, temp);
 //             }
-
+            //else
+            {
+                display_packets(data);
+            }
+            break;
         default:
             display_packets(data);
             break;
@@ -163,6 +189,7 @@ void callback_gp0504 (struct libusb_transfer *tx) { // for callback
 
 // https://www.freedesktop.org/software/libevdev/doc/latest/group__kernel.html
 int init_ctrl(struct libusb_device * const d, struct libevdev **evdev, struct libevdev_uinput **uidev) {
+    struct input_absinfo *abs;
     printf("init_ctrl: %x\n", uidev);
     int is_ok = 0;
     if (d == NULL) {
@@ -175,9 +202,32 @@ int init_ctrl(struct libusb_device * const d, struct libevdev **evdev, struct li
     libevdev_enable_event_code((*evdev), EV_SYN, SYN_REPORT, NULL);
     // every tablet has these features
     libevdev_enable_event_type((*evdev), EV_KEY); // enable pen button
-    libevdev_enable_event_type((*evdev), EV_ABS); // enable absolute position
     libevdev_enable_event_code((*evdev), EV_KEY, BTN_LEFT, NULL);  // pen tap 
     libevdev_enable_event_code((*evdev), EV_KEY, BTN_RIGHT, NULL); // pen button
+    
+    libevdev_enable_event_type((*evdev), EV_ABS); // enable absolute position
+    abs = malloc(sizeof(struct input_absinfo));
+    abs->value = 0x1000;
+    abs->minimum = 0;
+    abs->maximum = 0x27DE;
+    abs->fuzz = 0;
+    abs->flat = 0;
+    abs->resolution = 40;
+    if(libevdev_enable_event_code((*evdev), EV_ABS, ABS_X, abs)<0) // pen button
+    {
+        DEBUG("%s","failed to register absolute x\n");
+    }
+    abs = malloc(sizeof(struct input_absinfo));
+    abs->value = 0x1000;
+    abs->minimum = 0;
+    abs->maximum = 0x1cfe;
+    abs->fuzz = 0;
+    abs->flat = 0;
+    abs->resolution = 40;
+    if(libevdev_enable_event_code((*evdev), EV_ABS, ABS_Y, abs)<0) // pen button
+    {
+        DEBUG("%s","failed to register absolute x\n");
+    }
     switch(desc.idProduct) {
         case PRODUCT_ID_GP0504:
             libevdev_set_name((*evdev), "Hanvon Graphicpal GP0504");
@@ -226,7 +276,8 @@ int handle_device_lusb(libusb_device *d) {
     do {
 	    status = libusb_submit_transfer(tx);
 	    if (status < 0 ) {
-		    return status;
+		    //return status;
+		    //continue;
       }
       libusb_handle_events(NULL);
     } while (1);