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    Hi, please have a look at our document "Application Development with QT5". There you will find some more information about debugging an application. Application Development with QT5 Your F&S Support Team

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    We decided to create a guide, which explains how to create an QT5-Application and debug it with QT-Creator. QT-Creator is running on your host system and the application will be cross compiled for arm architecture. Afterwards it will be downloaded automatically (via ssh) to your F&S module. Now you can remote debug it from your host system. This guide is available on our homepage. Just select your module and choose “Documents”. Then it´s located in the category “module-name” – Linux. The Documen…

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    Hi, after examine the situation I can see there is a bug between the naming of the device tree and the GPIO reference card of the armStoneA9R2. So the correct naming is written in the GPIO reference card. We will fix the device-tree naming in the next release. In the meantime you can change your device tree to correspond to the GPIO reference card. That means: * Reference Card * device tree * UART_B * UART2 * UART_D * UART1 * UART_E * UART3 * UART_C * UART5 * UART_A * UART4 * * So you can change…

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    Hi, 1. If i2cdetect is not working then there is something wrong with the HW connection, because i2cdetect works independent from device tree entrys and drivers. So you don´t have to enable a driver and/or do a device tree entry to get the i2cdetect to work. 2. If you are enable the define CONFIG_ARMSTONEA9_CAPTOUCH_FT5x06 it doesn´t belong to the file edt-ft5x06.c. It belongs to the file ft5x06_ts.c. So if you are doing changes in the file edt-ft5x06.c it will not have an effect because this fi…

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    Hi, you have commented out UART_D and this is the debug interface, so that´s the reason why you don´t see anything at the debug port. * Pins 4, 6, 8, 10 * SPI_B * Pins 18, 20 * UART_B * Pin 19 * UART_A_RTSCTS To get these pins as GPIO you have to comment out the following defines: //#define CONFIG_ARMSTONEA9R2_SPI_B //#define CONFIG_ARMSTONEA9R2_UART_B //#define CONFIG_ARMSTONEA9R2_UART_A_RTSCTS Your F&S Support Team

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    To modify the UBoot environment from the userspace you need the tools fw_printenv and fw_setenv. You can bring these programs in 2 different ways to the remote target system. Either by Buildroot or by UBoot. Steps for Buildroot:- You have to activate the package u-boot tools, rebuild your rootfs and install it on your system. The package is located in ​Target packages/Hardware handling - After you have started your remote target system, the tools fw_printenv and fw_setenv are located in ​/usr/sl…

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    We decided to create a guide, which explains how to create an application and debug it with eclipse. Eclipse is running on your host system and the application will be cross compiled for arm architecture. Afterwards it will be downloaded automatically (via ssh) to your F&S module. Now you can remote debug it from your host system. This guide is available on our homepage. Just select your module and choose “Documents”. Then it´s located in the category “module-name” – Linux. The Document called A…

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    Dear Mr. Rata, it looks like you have setup the wrong baudrate in putty. For Linux you have to set baudrate 115200. Your F&S Support Team

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    AD7298 SPI ADC driver

    fs-support_PJ - - efusA9 NXP i.MX6

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    Dear Panaia-Costa, yes the hardware implementation must be specified in the device tree. And yes there are no board config files anymore. The board config files were replaced by the device trees since Linux Kernel ~3.10. So if your kernel driver only support platform_data you have to improve the driver that it supports device tree too. Your F&S Support Team

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    Dear Mr. Schubert, it is not possible to have the RTS/CTS pins of UART_B on connector pins 19/21. No one of the UART_B RTS/CTS pins goes to connector. And yes only UART_A is the only full connected UART on armstoneA9. Your F&S Support Team

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    Dear Mr. Frommberger, normally this configuration should work. I tried it and i see in the /dev directory i2c-6. This i2c-6 is the new Bitbanging I2C (i2c_gpio). Do you get any error messages? Your F&S Support Team

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    Dear Mr. Weber, i tested different FullHD videos in different formats. I dont get data drops, chopping, artefacts etc. The length of the videos were about 3 minutes. Here are the commands which i used to start the videos. avi file: Source Code (1 line) mp4 file: Source Code (1 line) mov file: Source Code (1 line) Maybe the network isn´t fast enough, so bring your video file local e.g. USB Stick/SD-Card and run the video again. Do you see a difference? Best Regards Your F&S Support Team

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    Dear Martinez, i modified your program, compiled it in c and it works. Do you get the same error message like before "failed to initialize socket"? In the attachment you get the c-file and the executable of the file. You can execute it and you see if the problem is caused from the IO connection or if it is a QT problem. Best Regards, Your F&S Support Team

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    Okay do you use the same U-Boot which is in the package sdcard-fsimx6ul-V2.0.tar.bz2? Which U-Boot version do you have? Normally you should have this U-Boot. Source Code (15 lines) Best Regards Your F&S Support Team

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    Dear Mr. Euzenot, which release version do you use? Can you post or append your devicetree? Best Regards Your F&S Support Team

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    2x USB 2.0

    fs-support_PJ - - efusA9 NXP i.MX6

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    Dear Mr. Weber, if you want to use two USB 2.0 interfaces without an USB hub, you can use the USB OTG pins for the second USB. The id pin of the USB OTG is on pin 223 so it auto detects if you connect there an device or host. So the USB controller knows if there is an e.g. USB stick connected. If there is an USB stick the id pin goes low and the USB controller set the 5 V supply voltage automatically. So you have to configure the supply output pin in the pinctrl_usbotg settings. You have to add …

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    Dear Mr. Dgrechi, thanks for this hint. I checked the pins and found out that we have something wrong in our document "armStoneA9-GPIO-ReferenceCard_eng.pdf". The GPIO3IO16, GPIO3IO17, GPIO3IO18 were wrong documented. I fixed this document and uploaded it to our server. Now you can download the newest version from our homepage. Download link below: fs-net.de/assets/download/docu…PIO-ReferenceCard_eng.pdf Best Regards Your F&S Support Team

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    Dear Mr Schubert, here is the sample code. Your F&S Support Team

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    Dear Mr. Schubert, sorry for my late response. Normally the rs485 should work. I tried it with UART1 (Connector Pin 18/20/22), in user-space its ttymxc0. I converted the signal with the SN75HVD12D to rs485. I didn't change anything in the device tree or kernel driver. I wrote a small c-file which get access to the device, set different options and send/receive data. At the opposite point of the armstonea9r2 i have a picocoma5. I can send and receive data between these 2 boards without problems. …

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    eMMC not accessible

    fs-support_PJ - - efusA9 NXP i.MX6

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    Dear Mr. Oreste, here is the patch for the emmc support on efusA9. Your F&S Support Team