https://devzone.nordicsemi.com/f/nordic-q-a/38389/joystickHi, I&#39;m trying to implement scroll buttons (not the up-down buttons) using buttons provided on the development board. The scroll buttons will scroll in left-right and up-down directions. The array used is as follows and I also know that absolute shoulden-USTelligent Community 13Tue, 18 Sep 2018 07:55:23 GMThttps://devzone.nordicsemi.com/thread/149163?ContentTypeID=1Tue, 18 Sep 2018 07:55:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49fde0a8-84d2-4770-ae6f-522f95a2659dovrebekk<p>Hi Sonal</p> <p>Can you send me your complete HID descriptor?</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148841?ContentTypeID=1Fri, 14 Sep 2018 13:45:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f49f8ab8-5ab7-4c1e-97d7-1c2741d7a7e8bscdb<p>Thankyou Torbjorn. Can you tell me the masking value to be passed in the send() function?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148773?ContentTypeID=1Fri, 14 Sep 2018 10:15:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:09306833-5e62-4f80-b08f-bd86d2e411b2ovrebekk<p>Hi Sonal</p> <p>If you have a look at this example it shows you how you can implement send functions for a HID descriptor with multiple report ID&#39;s:<br /><a href="https://github.com/Rallare/nrf51_ble_app_hids_kbd_consumercontrol/blob/master/main.c">https://github.com/Rallare/nrf51_ble_app_hids_kbd_consumercontrol/blob/master/main.c</a></p> <p>You can implement scrolling like this:</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x05, 0x01,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Usage Page (Generic Desktop)</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x09, 0x38,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Usage (Wheel)</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x15, 0x81,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Logical Minimum (-127)</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x25, 0x7F,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Logical Maximum (127)</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0x81, 0x06,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Input (Data, Variable, Relative)</p> <p>When implementing a mouse you would usually add this together with the mouse buttons.&nbsp;</p> <p>I have looked through the <a href="https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf">HID Usage Table</a> document, but can&#39;t seem to find any usage for vertical scroll unfortunately, only regular horisontal scroll.&nbsp;</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>