ARM Microcontroller Design Contest 2015
Welcome to the forum for the ARM Microcontroller Design Contest! Post your questions regarding the hardware, software or terms of the contest here. Members of the Keil Marketing Team will monitor this...
View ArticleWhat is the difference between IPSR and NVIC_ICSR of Cortex-M?
Hello experts, suddenly I have a question. I cannot understand the functionality between IPSR and NVIC_ICSR[VECTACTIVE]. Are there any difference? Of course, I know IPSR can be accessed by MSR/MRS of...
View ArticleHow to open sample codes from OpenGL ES 3.0 Text Guide
Does anyone know how to open the samples from the text guide, Chapter 16 for W7? I have already downloaded the emulator, cmake and Visual Studio. The instructions are somewhat confusing for me on page...
View ArticleI want to know meaning of r12 register.
Hi expert. I want to know meaning of r12 regiseter. this register some time using frame pointer (compiler option) I think caller save register is r0-r3, and callee save register is r4~r15. but my...
View ArticleHello ARM members - AAME
I have question related to AAME certification. For a certification if i study " Definitive guide to Cortex M3 & M4 " is sufficient or still i need to study any other materials
View ArticleARMv8 mmu problem
Hi ARM experts, I have a problem in using armv8 mmu in bare-metal system: When using the 4KB translation granule, level 1 table which use D_Block convert VA to 1GB region PA. In Armv8 ARM page D4-1744,...
View ArticleSTM32启动代码启动相关的讨论
有些问题疑惑了很久，过来问下amanda_s，也希望大家都能够讨论、相互学习下。 STM32F4在MDK-ARM中的启动代码是这样的： 定义了READWRITE属性的栈区；定义了READWRITE属性的堆区；定义了READWRITE属性的异常向量表；定义了READONLY属性的异常向量处理函数，和一个堆栈的初始化汇编代码。...
View Article汽车你好！Rockchip进入智能车联网，成功支持本田汽车DA智能屏无线互联系统
最近得到合作伙伴Rockchip传来的信息，他们的RK2928产品(Cortex-A9)已经顺利进入汽车前装市场，支持本田汽车DA智能屏互联系统产品。 本田汽车在中国市场推出的车型中引入DA智能屏互联系统，该车载智能系统搭载瑞芯微Rockchip RK2928芯片解决方案，成功实现了智能手机与车内超大屏幕的完美连接。在苹果和谷歌之外，对于移动互联网与车的关系，中国芯片厂商有自己的想法！
View ArticleCannot post with Firefox
Hello, I just tried to post a question using Firefox (Windows 8.1 x64, Firefox 38.0.5) , but I got thrown back to the editor every time I pushed "Post". I had to post using Internet Explorer.. Also,...
View Article通过智能配置进行系统汇编
英文版：System Assembly through Intelligent Configuration 作者：Eoin McCann 现代 SoC 采用大量 IP 模块来设计，这些模块已经获得商业许可或沿用前代设计，同时加入一些新的专有组件。集成所有组件常常很耗时且易于出错，因为设计者需要手动或者通过僵化且过时的脚本将 SoC 拼接到一起。高度可配置的 IP...
View Articleeclipse 调试neon汇编代码编译问题
大家好， 我想通过eclipse 编译neon汇编代码，同时通过remote system explorer 在arm 板卡上的linux系统中调试neon汇编代码，我使用的是linaro编译器gcc-linaro-arm-linux-gnueabihf-4.9-2014.09， 但是编译的时候出错了： Info: Internal Builder is used for build...
View ArticleARM DS-5 Embedded Linux for beaglebone
Hi, I am new to embedded Linux. I am using ARM DS-5 community edition and I wanted to build and debug Linux for beaglebone. Please help me with some document on how to build and debug Linux for SBC...
View ArticleNeed help, please. s5pc100 how run programm into external DRAM?
Hellow! Need help, please. I have microprocessor s5pc100. I don't understand how run programm into external DRAM? I made boot programm and initialization peripherial. After I copied the programm from...
View ArticleSPI_MCR_SMPL_PT_MASK SPI_MCR_SMPL_PT_SHIFT SPI_MCR_SMPL_PT (x)
Hi all, can anyone explain the behavior of: #define SPI_MCR_SMPL_PT_MASK 0x300u #define SPI_MCR_SMPL_PT_SHIFT 8 #define SPI_MCR_SMPL_PT (x) (((uint32_t) (((uint32_t (x)) <<...
View ArticleAAME Certification Preparation Suggestions
Hello Team ARM, I have my AAME certification exam on March 31st. All these days i was going through the syllabus, And could understand that following things are enough for the preparation of the exam...
View ArticleARMv8 EL1 MMU
Hi, I am working on bootloader porting to ARM v8 platform. I am facing a problem in enabling MMU in execution level-1 EL1. I am not able to set sctlr_el1.M bit when ever i try to set this bit the...
View ArticleProblem with arm_cfft_f32()
Note: This was originally posted on 27th August 2013 at http://forums.arm.com Hello, I'm new in the field of ARM and I need some help. I try to make a FFT on a Cortex-M4 with fpu. I tried two examples...
View Article我们公司6月推广的事儿：八核64位！新一代旗舰级OTT BOX方案RK3368成标配
瑞芯微电子（以下简称Rockchip）旗下全新一代电视盒子解决方案RK3368芯片解决方案的终端OTT BOX即将量产，作为2015年全球唯一的八核64位OTT BOX芯片，RK3368或将成为新一代旗舰级OTT BOX产品标配。 RK3368采用八核64位ARM Coretex-A53内核架构，28nm工艺设计，运行主频为1.5GHz；GPU为PowerVR G6110，支持OPENGLES 3.1；
View Article和汽车成为好朋友2：瑞芯微PX2芯片方案进入车规级市场！成功支持中移动4G LTE智能车机&阿里YunOS智能车机量产
Rockchip首颗车规级芯片PX2迎来好消息！ 深圳众鸿科技基于Rockchip PX2芯片开发出新一代智能车载信息系统终端平台，成功应用于中国移动4G LTE智能车机和阿里YunOS智能车机项目！并获行业内各大汽车电子生产厂商高度认可，以PX2作为主力平台，该芯片采用ARM Cortex-A9双核架构。...
View Article跟汽车成为好朋友：汽车你好！Rockchip进入智能车联网，成功支持本田汽车DA智能屏无线互联系统
Rockchip inside Car 苹果和谷歌相继高调宣布CarPlay和Google Auto后，Rockchip率先进入汽车前装导航领域，成功支持本田汽车DA智能屏互联系统产品。 本田汽车在中国市场推出的车型中引入DA智能屏互联系统，该车载智能系统搭载瑞芯微Rockchip...
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