Bitesize Bifrost 1: The benefits of clause shaders
The recently released Mali™-G71 GPU is our most powerful and efficient graphics processor to date and is all set to take next generation high performance devices by storm. The Mali family of GPUs is...
View ArticleHello everyone, i have question about the development of USB communication...
i'm developing a DHCP server, using LPC1837 controller. the controller has two USB port. i'm using USB port 0 to communicate. i'm using CMSIS driver to develop the code. i'm facing some issue in...
View ArticleHow to do complex image processing in compute shaders?
Hi there, I'm trying to implement different image processing algorithms like grayscaling, filtering, quantizing etc. on Android smartphones. I've got the camera preview rendered to a quad as an...
View ArticleCortex-A7 Generic Timer Clock and Operation
Hi, I'm using NXP imx6ul-evk(single core cortex-a7 processor) and I'm trying to operate CPU at different frequencies(642MHz, 480MHz, 100MHz, 12MHz) and experiencing time drift on certain...
View ArticleWatchdog return adress
I m using ARM9 without debuger, I want to know why watchdog fires, for that I enable Watchdog Fault Interrupt and write this code asm (" LDR R1, =lr_register ") ;
View ArticleWatchdog reset and interrupt activation
I m using ARM 9 and when I active watchdog interrupt and reset it seems that the interrupt is note cached and SW dont go into interrupt handler but the processeur restart. can you helpe me to...
View ArticleNordic活动分享博客得奖名单公示
各位用户， 提前公布一下Nordic活动获得T-Shirt奖励的用户名单： 1 titer1 和nRF52的第一次亲密接触 2 拉肚肚 蓝牙（ Bluetooth® ）二三事 3 592644743 我所认识的蓝牙技术和nRF52 Soc 4 kevin-zhao 初识Nrf52 DK 5 samsamhoo 求助，刚刚收到的nRF52832开发板进入BOOTLOADER模式，没法玩了。 6...
View ArticleCan I route debug exceptions (like software step exceptions) from lower...
In the manual of arm-v8a, it mentions that the debug exceptions could be routed to EL1 or EL2. However, i don't really want to implement EL2 on Juno, so is there anyway to route these exceptions to...
View ArticleHow to update the firmware of DSTREAM? Which tool to use exactly? I am not...
I am trying to debug my code using DSTREAM. DS-5 version is 5.24.1. I am getting error related to DSTREAM firmware and asking me to update it's firmware. For that, I am not getting sufficient...
View ArticleHow to realize AM335X's double Ethernet NAT function
CPSW(double Ethernet of AM335X)could work in two modes, one is double MAC, the other is gateway mode. ENVIRONMENT MYD-AM335X,pc, network devices, Ethernet cable, etc of Linux system. MYD-AM335X...
View ArticleLink Time Optimization in ARM Compiler 6
Introduction Link Time Optimization (LTO) is a form of interprocedural optimization which, as the name suggests, is performed at the time of linking a program. This is particularly useful when...
View ArticleProcess ADC data, moved by DMA, using CMSIS DSP: what's the right way?
Hi to you all, I've a firmware running on a NXP LPCLink2 (LPC4370: 204 Mhz Cortex M4 MCU) board which basically does this: Fills the ADC FIFO @40msps. Copies the data into memory using the built-in DMA...
View ArticleDebian Jessie with Kernel 4.4 on Rockchip RK3288 (ARM Cortex A17) SOC and on...
Thanks to Rockchip and Benn Huang from mqmaker the RK3288 based MiQi device can run upstream U-Boot, Kernel 4.4 and Debian Jessie with support for GPU/WebGL/Vdpau and more....
View ArticleWhere can I find an RK3399 board like this ?...
https://forum.mqmaker.com/t/miqi-with-debian8-jessie/477 https://mqmaker.com/doc/introduction-to-miqi/ When should a board like this (from the form factor and Operating system) be available with...
View ArticleLoss of information - SMMUL
Why the Cortex M4 instruction SMMUL (32 = 32 x 32b) preserves a redundant sign bit and discards one useful bit of information? What could possibly be the justification for such blatant disregard of the...
View ArticleCNTPCT value after power reset
Hi, I am facing some issues with ARM generic timer CNTPCT 64bit counter. After power reset I assumed it should be 0 ? Is it not true ? Thanks,
View ArticleIndepth Comparison Review: Deepoon M2 vs Pico Neo, which one should you buy?
Indepth Comparison Review: Deepoon M2 vs Pico Neo, which one should you buy? Indepth Comparison Review: Deepoon M2 vs Pico Neo, which one should you buy? - Xiaomi Insider After Oculus, HTC, Sony...
View ArticleARM Mali Performance Counter Access
Hi everyone! I am new to the community! I am currently doing some research on the ARM mali GPU with the Odroid-XU3 board. I read from here: Mali Midgard Family Performance Counters that I can...
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