How to create a multicore sync point
Hi all, In my application I have to make sure all the cores reached specific location before proceeding further. Basically I want to create a multicore aware semaphore. What is the best way to do...
View ArticleFIR decimator filter
Hello there, I have a question regarding the CMSIS DSP library function arm_fir_decimate_X. So for example if I have an ADC which is sampling at 5250 kHz and I want to create a filter using the...
View Articleunrecognized token UCTL0 &= ˜SWRST
Hi, I write following program for UART transmission for MSP430. but it shows me error at "UCTL0 &= ˜SWRST;" that is "unrecognized token". Is it need to define any other library? #include...
View ArticleMulti channel system
The "Multi" system. STM32F7 MCU with two 8 channel simultaneous sampling 14 or 16 bit ADCs from Maxim for a total of 16 analog channels. Heavily filtered switching power supply and ultra high PSRR LDO...
View ArticleRace condition between wake up event and WFI on Cortex-M3/M4
When I read below thread in arm forum, I still not clear which one is the safety way. Cortex-M4: guaranteed wakeup from WFI? There're two solutions mentioned above, using WFE instead of WFI, and swap...
View ArticleMoving Mobile Graphics - SIGGRAPH 2016 Course
After our début run at SIGGRAPH 2015, Moving Mobile Graphics is back for SIGGRAPH 2016! Sunday 24th July 2:00-5:15pm, Ballroom D Moving Mobile Graphics is a half-day course providing a technical...
View ArticleHow do I change Target Device in Keil Simulation?
I wrote an assembly language program - selected general ARM device. I assembled the program successfully. To run the program in Debug, I need a specific device. I want to change it from generic to...
View Articlewhy armclang produce brk instruction
Hi, I have faced a problem, that armclang produced a unexpected brk instruction. Here is my C snippet. It reads values from a shift register one by one. static void zmodp_read_Z(unsigned int...
View Article安创空间北京办公室参观记
今天斑竹游泳到北京参观了安创空间 北京办公室，并且在办公室见到了他们的几位生气勃勃的员工。给大家简单汇报一下，有几张图因为酒店网速太慢，我回到办公室再补。 左边数起：丁三川（技术大牛，实验室主任），鄙人，美女Helen，Helen的手下耿耿同学 安创空间是ARM的子公司，在ARM生态中起到重要的孵化器和加速器的作用。...
View ArticleArtila Releases New Cortex-A5 based Industrial embedded Linux Computer...
Artila Electronics, the leading designer and manufacturer of embedded device networking and computing, is proud to release Matrix-700, Cortex-A5 based industrial embedded Linux computer. Matrix-700...
View ArticleENEA和ARM举办的联合研讨会资料放出
今年6月28日，ARM和好伙伴Enea Software AB, 一起举办了一场Network Functions Virtualization（网络功能虚拟化）生态系统的网上研讨会。 此次研讨会深入分析了ARM和Enea Software AB是如何联手共创NFV生态的。 讲座嘉宾包括ARM的bobmonkman和Enea Software...
View Article最近用STM32L073RZ 移植了FreeRTOS, 关于 xTaskCreate（）中usStackDepth 应该填多少才合适呢？
#define configMINIMAL_STACK_SIZE ( ( uint16_t ) 128 ) #define configTOTAL_HEAP_SIZE ( ( size_t ) ( 2 * 1024 ) ) configuration file 里面 这两个选项是按照 nucleo
View ArticleError: eglGetError(): 0 (0x0000)
Greetings, I am trying to run sample code for Mali_OpenGL_ES_SDK_v2.4.4 on a SAMSUNG ARM S5P4418 I followed http://malideveloper.arm.com/downloads/deved/tutorial/SDK/linux/2.4/quick_start.html to...
View Article__main, ADR address
IDE: KEIL(4.74.00) MCU: STM32F103VET6 问题：地址为0x08000138的那一行执行结果 为什么是0x08000164 ? 0x0800012E 0800 DCW 0x0800
View Articlecortex-A15 instruction set and optimization ways on this platform?
Dear, I am an greenhand developer on cortex-a15. now I need some specification as follows: where I can get the instruction set of cortex-A15? are there some documents about optimization...
View ArticleARM嵌入式研讨会有感，某用户痛失大奖
今天在北京参加ARM研讨会。记忆最深刻的就是，最后进入到抽奖环节，大奖是代理商赞助的荣耀v8手机一台 ARM的领导rhondadirvin抽出了一位幸运观众XX，lifenggeng高声呼喊他的名字三遍，可惜都没有人回答。我其实一听就知道是我们社区的一位用户，心中深深地着急，希望他只是上厕所去了，很快会回到会场。可惜，叫了三遍还是没有，最后只能重新抽一次，大奖被一位来自北京君正的朋友拿走了。
View Article芯交流，芯科技。Rockchip开发者之夏圆满落幕！
7月23日，瑞芯微Rockchip在福州总部举办了首届以“芯交流·芯科技”为主题的开发者盛会，全国各地超过400位电子业开发者们到现场参与分享。 根据市场热点，设置十个不同主题的讨论区，全方位解析Rockchip的技术包括内核、接口等以及在各类热门产品线上的方案应用包括新兴领域类的VR、机器人、平板、电视盒子、车载系列产品、IoT等。...
View ArticleCortex-M0 DesignStart processor size (FPGA)?
Dear sirs, I have a question about the size of synthesized logic for Cortex-M0 DesignStart processor. When I use ISE of Xilinx to synthesize Cortex-M0 DesignStart processor (version r1p0-00rel0), I...
View Article$35 NanoPi M3 Octa Core 64-bit ARM Development Board is Powered by Samsung...
The NanoPi M3 is another ARM board developed by FriendlyARM for makers, hobbyists and hackers. With this new friend we wish you could get not only tech skills but also unique experiences in...
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