hp touch screen pen

the touch screen is complete. Step 2 When an interrupt occurs, the VICxADDRESS In the interrupt control register will receive the information. Then, he can determine that there is an interruption in the VIC1 group and then enter the interrupt processing function to interrupt the processing function, in order to continue to judge whether the touch

Deng, it is best to support handwriting input to about 60, or at least 50. I tested it on M8, and it can reach 86/s, as shown in. It seems that there is still a need for further optimization of the touch driver, and it is necessary to increase the handwriting sensitivity parameters. For touch screen drivers, in addition to handwriting sensitivity paramete

The touch screen is summed up as input subsystem, here is mainly for the resistive screen, the use of the process is as follows: When the touch pen is pressed, resulting in an interrupt. Start the ADC conversion x, y coordinates in the interrupt handler function handler. The

. Input, abs_x, 0, 0x3ff, 0, 0 ); Input_set_abs_params (TS. Input, abs_y, 0, 0x3ff, 0, 0 ); /* Set some attributes */ TS. Input-> name = "s3c24xxtouchscreen "; TS. Input-> ID. bustype = bus_host; TS. Input-> ID. Vendor = 0 xdead; TS. Input-> ID. Product = 0 xbeef; TS. Input-> ID. Version = 0x0102; /* Set the buffer size. If oversampling_shift = 2, the buffer size is 1 TS. Shift = Info-> oversampling_shift; TS. Features = platform_get_device_id (pdev)-> driver_data; /* Apply for

1. CompileVery depressed some time ago... Because an error always occurs when you run the generated calibration program ts_calibrate: Ts_open: Inappropriate ioctol for DeviceAfterwards, I learned that it was the touch screen drive of my own board after numerous twists and turns. Not SupportedIOCTLOperation, Crazy sweat... Recompile tslibCD tslib-1.3 export cc =/usr/local/ARM/2.95.3/bin/ARM-Linux-GCC // spec

* ****************************** Loongembedded ******* ************************* Author: loongembedded (Kandi) Time: 2011.11.18 Category: Wince-driven development * ****************************** Loongembedded ******* ************************* Remarks: Systems Based on wince6.0 + cloud6410 According to the project's needs, in order to save power consumption, when the product does not need to watch the LCD screen display, We need to disable t

Port tslib1.3 Tslib and MiniGUI links Test Note: Because I recently used a PDA to implement camera functions, while my Development Board, mini2440, has only one USB, and my camera is USB, And the mouse is useless. I can only use a touch pen, the Touch coordinates are very inaccurate. First, I thought of tslib used in QT. I looked for it online and found the Mi

Document directory 3.1 Kernel 1 Preface First, let's talk nonsense. Csdn has been registered for a while, but has never published a blog on it. previous articles published on other blogs cannot be retrieved because the password has been forgotten. OK. Start to enter the topic.I am also a beginner, and soon after the entry. Therefore, it should be more suitable for beginners to learn. 2. Overall View We divide Android into three parts: kernel, framework, and app. Because the software runs on t

Design of S3C2440 resistive touch screen driver Experiment: When the pen clicks on the touch screen, SecureCRT displays the X and Y coordinates of the contacts; Objective: To test the resistance touch

We all know that the win8.1 computer has a mouse hover function, we need to stop the mouse in a position, we can see some previews and so on, such as we hover the mouse over a folder, we will see the contents of the file, hover on the tab will see the instructions in the option, which is very convenient in the case of more windows, Do not need a single file to open gradually. But now many people are not using the mouse, more is the use of touch

screen positioning calibration:Method 1:Modify the platform. reg file.[HKEY_LOCAL_MACHINE \ hardware \ devicemap \ touch]"Maxcalerror" = DWORD: 7; Portrait"Calibrationdata" = "644,471 104,831 1172,843"The Touch parameter may vary in different environments. You can controlPanel-pen-one re-calibrate the

(http://git.koolu.org/), please search for the official source code.Line 1 of this file defines: static final string calibration_file = "/system/etc/pointercal ";The calibration_file variable is used to open the file in row 237th:Fileinputstream is = new fileinputstream (calibration_file );The code below reads the seven data records from the file for the upper-layer function coordinate conversion.Therefore, you only need to manually calculate the seven values based on the formula, and then you

clk *clk = clk_get(NULL, "adc");clk_enable(clk);4.2 set the relevant registers of the ADC Initi_ts_regs = ioremap (0x58000000, sizeof (struct initi_ts_regs);/* converter prescaler enable, adcclk = pclk/(49 + 1) = 50 MHz/(49 + 1) = 1 MHz */initi_ts_regs-> adccon = (1 4.3 request interruption, ADC conversion completed interruption and touch screen press or lift interruption request_irq(IRQ_TC, pen_down_up_ir

Book 6 is equipped with a 15-inch touchscreen, and its resolution is 1920x1080 pixels. At this resolution, the text appears very clear, the image and video also appear lifelike and very moving, I believe that the performance and clarity of the display screen is absolutely the most users of the important condition of the notebook. The notebook is equipped with a full-size Chiclet-style keyboard, and the right-hand side of the overall keyb

1. First, we open the Start menu of the Win7 flagship HP computer, and then enter the interface to the control Panel through the Start menu, and in the Open Control Panel interface, we click into the pen and touch options. 2. Then we can see the following image of the interface, in the Open interface, we first switch the interface to