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* a) { a->bar();}A* a = 0;if (base) a = new A();else a = new B();foo(a); PointerLimitations (Pointer restriction) General Pointer Casting Vivado HLS does not support general pointer casting, but supports pointer casting between native C types. For more information onpointer casting, see Example 3-36.Pointer Arrays (Pointer array) Vivado HLSsupports pointer arrays for synthesis, provided that each pointer points toa scalar or an array of scalars. Arrays of pointers cannot point

Compile U-boot: ./device/nexell/tools/build.sh-b drone2-t U-boot Compile kernel: ./device/nexell/tools/build.sh-b Drone2-t Kernel * System Type*mmu-based Paged Memory Management Support (MMU) [y/n/?] Yarm system type 1 . ARM Ltd. Integrator Family (arch_integrator) 2 . ARM Ltd. RealView Family (Arch_realview) 3 . ARM Ltd. Versatile family (Arch_versatile ) 4 ... Wuyi. TI DaVinci (Arch_davinci) the. TI OMAP (Arch_omap) -. ST SPEAr (plat_spea

TCL IntroductionVivado is the latest Xilinx FPGA design tool that supports the development of FPGA and ZYNQ 7000 in the 7 series. Vivado can be said to be a completely new design compared to the previous Ise design suite. Whether from the interface, settings, algorithms, or from the user's idea of the requirements, are brand-new. Look at Vivado, Tcl has become the only supported scriptTCL (read as Tickle) was born in the 80 's University of California

Using BuildRoot to compile the file system2015-1-9Using BuildRoot to make the file system is very convenient, the compiled file system is directly available, without adding scripts and other troublesome work, a lot of libraries and apps canAdd directly to the file system, such as commonly used udhcpc,tftp. In this paper, we take ZYNQ 7010 as an example to make a RAMDisk file system, which is developed in Z-turnRun on board.1. Execute make arch=arm men

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This blog updates the latest developments in the specific interpretation of Linux device-Driven Development (3rd edition). 2015.2.26 nearly finished the first draft.This book has been rebase to the Linux 4.0 kernel in development, with most cases based on multicore cortex-a9 platforms .[F] is a revision or upgrade; [N] is a new point of knowledge; [D] is a deleted content1th Chapter "Linux Device Driver Overview and development environment Construction"[D] Removal of the introduction to the LDD6

and run on the arm platform–prefix is followed by the Software installation directory.Cc=,cxx equals the c,c++ cross compiler that specifies the cross compilation Third, compiling Makemake Install Iv. use of the compiler program You need to copy the previously precompiled Dynamic library to the/lib folder under Zynq Linux. Note that the copied library file name is: libusb-1.0.so.0.1.0. After copying to/lib, you need to rename to libusb-1.0.so.0.

processing often needs to consider more problems than the algorithm, such as timing constraints, insufficient memory bandwidth, insufficient resources, computational problems, these problems are restricting the development of FPGA in the field of image processing. Imagine that this complex image processing algorithm, coupled with these unresolved problems, which is often the dilemma we encounter. Fortunately, technology is constantly improving, when the existing technology can not be a good sol

Label:With the front of a pile of bedding. Now it's time to formally prepare to read and write DDR, development environment: VIVADO2014.2 + SDK. 　　First, in the PL end to control the DDR through AXI, we must have a Axi master, because it is a test, do not write their own, directly with the package IP generated, the method is as follows: 1. Select the Package IP tool 　　 2. Create a new Axi peripheral 　　 3. Interface type Select full, mode Select Master, if you do not care about the detailed impl

Prerequisites: Before the plan Ahead, XPS, SDK to build Xilinx Zynq 7000 (zerdboard) on-line test of PS and PL, try to define the platform, bus and DMA, see the previous blog.Take the strike, last time. Altera's Nios II on the 3C120 chip RAM running light test.Platform: Quartus + NIOS II EDK 10,3c120+epcs16 (+) +CFI Flash + Sdram (Sram), which is standard.1, build Quartus hardware platform:The Pll+le module (FPGA ontology logic module) +nios core (Nio

the FPGA, the specific types of FPGA contains how many devices, you can refer to the Xilinx documentation.For the built-in IP, the first thing to consider is the clock module MMCM, the general FPGA will have several to dozens of clock modules, such as the following table 2000T contains 24 CMTs, which is 24 PLL and MMCM, each set of PLL and MMCM can be a clock domain clock frequency multiplier. The general ASIC will contain multiple clock domains, each of which requires at least one CMTS to oper

http://blog.chinaaet.com/detail/36014Vivado is the latest Xilinx FPGA design tool that supports the development of FPGA and ZYNQ 7000 in the 7 series. Vivado can be said to be a completely new design compared to the previous Ise design suite. Whether from the interface, settings, algorithms, or from the user's idea of the requirements, are brand-new. Looking at a lot of blog posts, basically using the GUI to create the project, then I will briefly int

Recently, I participated in the maxim DIY design competition hosted by eefoucs. I was lucky enough to be shortlisted and will soon be awarded a Zed Development Board. The Q series FPGA has already been expected to be available, and finally we can have a Development Board. I consulted Avnet's Fae in the early stage to get the Mass Production News of the Q series and obtained a preliminary offer. However, the quotation is not reliable and the price is too expensive, at least exceeding our expectat

before the flow, and image processing seems to need FPGA, but in my contact with a few companies (size is not small), they do the image, but even do not have their own FPGA engineers, that they do not use FPGA to do the work of the image algorithm class, At best, the preprocessing of high-speed data stream acquisition or forwarding is only. So, in fact, FPGA can do a lot of things, but the FPGA is not doing much at the moment, in addition, with FPGA, but do not rigidly adhere to the FPGA. This

This time with Zynq's embedded XADC to collect some parameters inside the ZYNQ:vccint: Internal PL Core Voltagevccaux: Auxiliary PL voltageVREFP:XADC Positive Reference voltageVREFN:XADC Negative Reference voltageVCCBRAM:PL Bram VoltageVccpint:ps Internal Core voltageVccpaux:ps Auxiliary VoltageOperating voltage of VCCDDR:DDR RAMThis process and the development process of the previous indistinguishable, I hope you can fully familiar with the process ~ ~As always, create a block Design and add th

of FPGA Devices with embedded hard core CPUs. FPGA + CPU solution is not uncommon. It was proposed and put into practice five years ago. Xilinx and Altera have been committed to promoting their own soft-core CPU, however, the market response apparently failed to meet expectations. Xilinx was the first to integrate arm in last April to meet market requirements.Cortex-A9 CPU and 28nm FPGA scalable processing platform (Extensible processingplatform) architecture. Less than a year later, the

compatible with the popular Arduino, such as Arduino shield and open-source projects. For more information about this device, click here to learn more. 4. snowleo (embedded in the open-source FPGA platform of arm A9) The snowleo platform uses Xilinx's latest Zynq-7000 series XC7Z010-1CLG400C core chip, which adopts 28nm process, with high performance, low power consumption and other characteristics. Its main feature is to integrate the dual-core ar

Xapp1078 was created in February 2013. This article describes the way to start running two cores, with two CPU cores running Linux and Bare-metal, respectively. It's been the past four years, so call it a traditional amp solution.Key processes for this scenario:(1) Modify the FSBL source code so that it can load multiple elf and bit files until it encounters the flag load address to stop load and return to run U-boot.(2) through the configuration file image.bif core0 u-boot.elf and core1 bare-me

In the previous blog post, the xapp1078 was studied, and its target platform was zc702. This article analyzes the key points that need to be modified when zc706 implements AMP. Reference: Http://www.wiki.xilinx.com/XAPP1078+Latest+InformationThe V2 version is used in the bootrom in 1,zc706. This version uses a different WFE loop,cpu1 is awakened (interrupt, SEv, or other event), the data that reads the 0XFFFFFFF0 location is compared to 0XFFFFFF2C, and if the same as 0XFFFFFF2C, it returns to th

Shell Branch Statement Case inch mode 1) Command1 command2 command3 ; Mode 2) Command1 command2 command3 ;; *) Command1 command2 command3 ;; EsacDescription: After the case is taken, the value is the keyword in, followed by the various patterns of the match, each pattern must end with a closing parenthesis.The value can be a variable or constant.; Like a C-language break, do not cancel!Example:#!/bin/SH#auther: linuxdaxue.com#Date: .- to- - Case$1 inchStart|be