calibrate smartboard

parameters Struct s3c2410_ts_calibration Cal; // calibrate touch screen parameters Struct s3c2410_ts_event Buf [mousebuf_size]; // a buffer queue waiting for processing Struct s3c2410_ts_event cur_data, samples [3], last_data ;}; // Current sample data, original sample data, last sample data After learning about the above concepts, it is not complicated to compile the touch screen driver. The following work needs to be done: 3.1 module ini

. (BTW: If I think the Expo plan is not clear enough, I can't do it. The pictures in PDF are not clear) Next we will register maps. There are many registration methods, such as using MapInfo for registration or even ArcInfo for registration. However, these are too complicated. Today we will introduce a simple software for registration, this is globalmapper, a very good GIS software that can open a super many map format and save it as a super many map format. Let's use it for simple registratio

still commonly used in windows, so here I will introduce a tool software for Windows: Source insight. This is a free 30-day software that can be downloaded from www.sourcedyn.com. Installation is very simple. Just like other installation methods, double-click the Installation File Name and follow the prompts. After the installation is complete, you can start the program. This software is very simple to use and is a good tool for reading the source code. A brief introduction to its usage is as f

noise reduction, deshake, and coordinate transformation, to remove noise and convert the original device coordinates to the corresponding screen coordinates. In tslib, two main interfaces ts_read () and ts_read_raw () are provided for the application layer. ts_read () is an excuse for normal use, and ts_read_raw () is an interface for calibration. Under normal circumstances, tslib processes the device coordinates sampled by the driver as follows: Raw device --> variance --> dejitter --> linear

, execute, but none of them work. Then I want to skip tslib. Instead, I use the TP calibration program that comes with QT, So I re-compile QT and add the option QT-mouse-linuxt during compilation, remove QT-mouse-tslib. After compilation, enter the board and calibrate it. Tears ran away. When the building is about to jump, the savior came. A vendor sends a driver to open one. It needs to change the tslib source code, and suddenly realizes that happine

zero within 2 ^ 34 seconds (that is, 544.8 years). For the moment, the continuous running time of a machine does not exceed this, so you do not need to consider Counter Overflow.The above function gets only the number of clock cycles passed by the CPU, not the time. You must use other methods to convert it into time. I wonder if there is any way to obtain the CPU frequency by reading BIOS information. At present, many methods to calculate the CPU frequency are implemented by using the rdtsc com

1. Double hit Open Magictune software. 2. Click on "Color". 3. Click "Calibrate". 4. Click "Start". 5. In turn, drag the "White triangle" icon to the range of each step, the first four steps click "Next", the fifth step click "Application." 6. Enter the name of this calibration in the dialog box next to edit user name, such as "My Color Save" and click "Save". 7. Compare the pictures before and after the calibr

"Default Value" or "automatic number" in the row. For example, if "ID" is an automatic number in a table, "Y" has default valuesRs. addnewRS ("X1") = x1RS ("X2") = x2...RS ("x9") = x9'Added'Then read the "ID" value of the automatic number and the "y" with the default value"Y = RS ("Y ")Id = RS ("ID ")It turns out that "ID" and "Y" can be fully read in access, but not in SQL. You need to calibrate the game to the row you just added, therefore, you mus

algorithm, the Euclidean distance is usually used. The formula is as follows: Considering that when calculating the overall distortion of d [T, R], the number of voice frames between the test template and the reference template is often different, in this case, you need to map the test template to the reference template using a scaling method, and then calculate the time distortion between the new frames separately to obtain the total distortion d [T, R]. the specific method is as follows: Use

/tslib/bin directory and run the file command to check whether the application version is arm. If the display shows that arm indicates that the cross-compilation is successful, otherwise, x86 is displayed, in this case, you need to reset the environment variable, reconfigure it, generate makefile, and make again. Modify/usr/local/tslib/etc/ts. conf and remove the comments before the second line.Package Root @ hrixin-desktop:/usr/local # tar czvf tslib.tar.gz tslib D. copy to the USB flash dri

the Development Board and calibrate the five calibration points with the touch pen. To configure a wired network: (settings can only be saved in memory)① set IP and subnet mask: #ifconfig eth0 192.168.17.150 netmask 255.255.255.0 up② Setup Gateway: #route add default GW 192.168.17.254 dev eth0③ querying the current IP configuration in the Development Board: #/system/busybox/sbin/ifconfigQuerying the current routing table in the Developm

Describes how toOk6410-aInstalling the Droid on the Development Board1, check whether the current system supports USB to serial port: #Ismod |grep usbserial;2, installation minicom: #apt-get install minicom;3, configuration minicom:minicom–s;4, test minicom: #minicom;OK6410 before burning to write Android, be sure to start eboot erase Nandflash, using Eboot erase Nandflash method is as follows:1, Preparation: Serial cable or USB to the serial cable to connect the development Board and PC, and st

, ok6410 default installation winCE6.0, so you need to uninstall it first, then install Android, burn write before you start Eboot erase Nandflash, erase method as follows:1. Preparation: Connect the Development Board or PC with a serial line or a serial cable and start2. Enter Eboot Status: Initiating image launch in 5 seconds3. Erase NandflashThen write the following steps:1. Prepare for the SD card2. Write Mmc.bin and Zimage-sd.bin to SD card3. Prepare to burn the android before writing4. Sta

whether the current system supports USB to serial portStep Two: Install MinicomStep Three: Configure MinicomFourth step: Detect MinicomBefore burning the Android system, you need to use Eboot to erase the Nandflash, as follows:The first step: getting Ready for workStep Two: Enter the Eboot stateStep Three: Erase NandflashThe steps to burn Android are as follows:The first step: getting Ready for workStep two: Write Mmc.bin and ZImage.sb.bin to SD cardStep three: Prepare to burn and write before

clock. Parity bit: When the data bit is added to this bit, the number of digits in the 1 should be even (even parity) or odd (parity). Stop bit: The end flag for a character data, which can be a 1-bit, 1.5-bit, 2-bit high level. Since the data is timed on the transmission line, and each device has its own clock, it is likely that there is a small difference between the two devices in the communication. Therefore, a high-level time of more than 1 bits is required, providing the opportuni

() {//Create SIFT class pointerPtrxfeatures2d::sift::create (); //read in pictureMat img_1 = Imread ("kebe1.jpg"); Mat img_2= Imread ("kebe2.jpg"); //Detect the keypointsVectorKeypoints_1, keypoints_2; F2d-Detect (Img_1, keypoints_1); F2d-Detect (Img_2, keypoints_2); //Calculate descriptors (feature vectors)Mat descriptors_1, descriptors_2; F2d-Compute (img_1, keypoints_1, descriptors_1); F2d-Compute (img_2, keypoints_2, descriptors_2); //Matching descriptor vector using BfmatcherBfmatcher Matc

think about where the application should be positioned to make it more competitive in the market or more in line with the needs of users. Consider whether you should incrementally enhance the existing functionality of your app, or design it thoroughly again.9, the role of the outline: Want to apply the likely to attract people, and then to the hypothetical user to outline. These roles should provide you and the design team with enough information. Darling to a certain extent close to the real u

script for downloading songs in the second section is fixed for the start position of the mouse click, it will cause the download script to click the wrong place if the song list is not cut to the next page by slide bar move.Subsequent optimization directions can be used to calibrate the slide bar movement using image recognition ~:: If you feel good, please recommend to more people to help them solve the problem in the pit of real problems faster!

Recently updated sam9263 Angstrom, resulting in a poor touch screen, the performance of the touch is not allowed. Of course, there is a touch calibration when starting. Google, as if the latest x is the use of xorg, can not directly support tslib, to use x xf86-input-tslib driver, using openembedded compiled the driver, and add it to the file system, Modified xorg.conf to: section "Serverlayout" identifier "default" inputdevice "Atmel-ts" "Corepointer" endsection #Section "InputDevice" # ident

compiler warns you, using the-wall compiler option and careful removal of all warnings, you can be confident that the code is portable. main problems of _t type： When printing them, it is often difficult to choose the correct PRINTK or printf format. The best way to print interface-specific data is to cast it to the maximum possible type (often a long or unsigned long) and print it in the appropriate format. Time intervalWhen processing time intervals, do n