Questions tagged [cortex-a]

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1answer
95 views

ARM cortex-A7 - cycle interrupts

I'm using a Banana Pi M3 with an ARM cortex-A7. I want to perform a task in a cycle with a fixed period with no delays and I was wandering if I could use an interrupt for that. Does this processor ...
1
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1answer
820 views

Boot process for ARM-Cortex-A series

STM32F2: Makefile, linker script and start-up file combination without commercial IDE is a simple but brilliant explanation of what happens when we start a system based on a Cortex-M series processor. ...
1
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1answer
562 views

What ISA is used by Cortex-M/R/A and what compilers are available? [closed]

What ISA is used by Cortex-M/R/A? What is the difference between arm-none-eabi and arm-elf-gcc? Are there any other compilers for ARM devices worth mentioning?
2
votes
1answer
252 views

Debounce Functional Clock on AM335

What is the purpose of Debounce Functional clock on AM335x processor? In the technical reference they say: "The de-bounce clock is used for the de-bouncing cells". What cells? I am little confused ...
10
votes
2answers
15k views

Difference between ARM A and M series processors?

When I'm asking this, I think on microcontrollers, whats the difference between A and M series of ARM processors. Many microcontrollers such as Beagle Bone now have A type of Cortex?
4
votes
1answer
10k views

Confused, Is raspberry pi a real device for learning embedded linux or just for hobby? [closed]

and sorry i couldn't think of a better title, please read this so you can understand what i am asking: I already bought the Pi, but as i see it has a fully featured pc like OS, what i'm seeking to ...
3
votes
0answers
79 views

How to implement critical sections on ARM Cortex A9 for GCC, no OS? [duplicate]

I am porting some legacy code from an ARM926 core to CortexA9. This code is baremetal and does not include an OS or standard libraries, all custom. I am having a failure that appears to be related ...
1
vote
1answer
180 views

New PowerVR Support Introduced to ARM Cortex-A Embeded Processors [closed]

I understand that ARM Cortex-A and their graphics processing is a highly problematic section in GNU/Linux world I have heard due to the fact that Open-GL is not so much developed to the extent it is ...