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Hit a brick wall
Hi guys, I'm porting a IPv4 stack to the ARM Cortex-A5 processor, it compiles okay but when it goes to LINK it displays a load of garbage.  See below.   What direction...
Wed. Oct 17, 2018 - 03:47 PM
memory barrier
Hi Freaks, I use the barrier(); instruction in UC3, however, I'm porting the software to ARM and it does not support memory barrier();   barrier(); is declared as asm ("nop...
Fri. Sep 28, 2018 - 04:13 PM
£50 pounds Stereling to the person who...
I know this is not the correct forum but I would like to increase the foot fall on the thread.   details: ATSAMA5D44 MPU   £50 pounds Sterling to the person who can...
Fri. Sep 7, 2018 - 09:03 PM
what's different - Interrupts & Context
Write Lads, leading on from my thread about calling a function from within cstartup.s, I would like to hear your input about making a context switch at the end of handling...
Tue. Sep 4, 2018 - 04:08 PM
I might offer a bit work for cash
If Microchip can't offer a solution to my problems of calling a user defined function from with the cstartup.s file I might just throw it out here for a bit of work.  It...
Mon. Sep 3, 2018 - 07:05 PM
How to see a function in a .S file
hi guys, I need to call a function from within a .S file.  How then do I see the function in the S file to call it?  Is there a way to declare the function within the...
Tue. Aug 28, 2018 - 07:51 PM
SAMA5D44 Cortex A5
Are all Cortex A5 MPU's the same core, i.e. do they all use the same architectures for example 12 general purpose registers and 32 floating point registers etc?
Tue. Aug 21, 2018 - 02:10 AM
someone elses malloc
Hi guys again, I looks like I'll have to implement malloc myself, so I had a quick peek at GitHub for examples and found a relatively simple malloc implementation.   Now you...
Sun. Aug 19, 2018 - 11:45 PM
just wondering if someone can provide a solution
Hi guys, I am creating a program on the SAMA5D44, yes I know this is not really the place to be asking such questions but I've been waiting on Microchip to et back to me.  ...
Wed. Aug 15, 2018 - 10:02 PM
ASsembly Question
Hi freaks, I have a simple asm routine that I am having trouble compiling.  It is as follows: void context(void); __attribute__((naked))void context(void){ __asm__...
Thu. Aug 9, 2018 - 06:07 PM
Is it Real?
Hi guys, I've designed a scheduler for embedded systems aimed squarely at mid-range 32bit systems.  Interrupts and Exceptions are never disabling by the OS and API calls can...
Thu. Aug 2, 2018 - 09:03 PM
Requirements of a RTOS
Can I ask guys, I designed a RTOS recently and it never disables interrupts or exceptions, they always answered straight away.  However, RTOS api calls may be deferred....
Mon. Jul 30, 2018 - 03:55 PM

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