![]() I don't know whether problem is because of report Descriptor or some other thing. In this case i am not getting even single touch.But, if i disable tip switch in finger 2 then finger 1 touch is working.īut if i disable finger 1 tip switch, and enable finger 2 tip switch then even i am not getting single touch. My_buff = 0x02 // contact identifier(finger2) My_buff = 0x03 // tip switch and in range My_buff = 0x01 // contact identifier(finger1) Here i am attaching how i m sending data. In the analysis, it shows the same data for finger 1,2, even though i am sending different data. I am testing this in windows 10 touch lapy,where i have USBlyzer to analyse the data which sending from board to PC. This is my Report descriptor for 2 fingers.ĠxB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)Ġx81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)Ġx81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)Ġx05, 0x01, // Usage Page (Generic Desktop Ctrls)Ġx26, 0x10, 0x27, // Logical Maximum (10000)Ġx36, 0x00, 0x00, // Physical Minimum (0)Ġx46, 0x10, 0x27, // Physical Maximum (10000) So, i am modifying my single touch finger HID to multi touch HID.In this case,i have added some report for 2nd finger. It works easily with Windows 8 systems, though if you're looking for a completely Apple-like experience, this isn't an exact match - but the blame for that falls on Microsoft, not Logitech.Currently i am working on USB touch screen HID descriptors(custom HID descriptor),on STM32f4 board.įor that, I have implemented a HID descriptor for single contact identifier(single finger touch) and which is working for me.But, my requirement is for Multi touch finger. A handful of new Windows 8 PCs are now includingtouch pads in the box, but if you don't have one of those, this is an easy way to make the leap. The glass-topped Logitech Wireless Rechargeable Touchpad T650 is part of a new wave of standalone touch pads and a larger push toward touch and gesture control in general. Having a standalone touch pad along with a wireless keyboard makes for a smoother transition between using your laptop on the go and as part of a docked desktop setup. Why would you want to do that if your laptop already has a touch pad built in? Many people dock their laptops connected to an external monitor, sometimes adding an external keyboard and mouse as well, especially if the laptop is docked in a closed or out-of-the-way position. You may have noticed that I mention using the T650 with a laptop. Featuring the same multi-touch DNA as the Surface keyboards, the W-Touch gives you full control of your. Perixx PERIPAD-501 Wired USB Touchpad, Portable Trackpad for Laptop and Desktop User, Black, Small Size (11284) Prime Status. The T650 works with the officially supported Windows 8 gestures, such as sliding in from the left side to open the Charms bar, or from the top to access the application menu, as well as its own gestures, such as swiping up and down with four fingers to maximize and minimize open windows. Wireless Backlit Bluetooth Keyboard with Touchpad Ultra Slim 7-Colors Backlit Keyboard, Portable Rechargeable Keyboard for iOS iPhone/IPad/IPad Pro, Samsung Android Tablets, Windows. If you think that sounds like qualified praise, you're correct. Single-input navigation was responsive, and multifinger gestures worked as well as on the best Windows laptops when used with desktops, tablets (such as the Acer W700), and docked laptops. Running Logitech's SetPoint software allows additional customization (tap-to-click was off by default for some reason), but the T650 will run fine without it.Īs an actual touch pad, the T650 works as expected. There's an on/off switch on the right side of the pad to save power, though I found the pad remained charged for more than a week of intermittent use without a recharge, even when left on 24-7. ![]() But, this means that to use the T650, you need the USB receiver, which eats up a port on your PC, as well as an (included) Micro-USB cable for occasional charging.
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