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Discussion Title Created date
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...
Tuesday, 4 September 2018 - 16:08
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...
Monday, 3 September 2018 - 19:05
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...
Tuesday, 28 August 2018 - 19:51
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?
Tuesday, 21 August 2018 - 02:10
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...
Sunday, 19 August 2018 - 23:45
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.  ...
Wednesday, 15 August 2018 - 22:02
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__...
Thursday, 9 August 2018 - 18:07
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...
Thursday, 2 August 2018 - 21:03
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....
Monday, 30 July 2018 - 15:55
c editor
Is there an editor that allows you to copy c code text and paste it with the code highlighted in color
Monday, 23 July 2018 - 00:25
Non Maskable Interrupt
Hi freaks, just a quick question.  The NMI Interrupt is handled in the exception.s file.  Can you disable the NMI by Disabling exceptions? 
Thursday, 12 July 2018 - 18:30
Initial VGA Timing conditions
Hi guys, have a look at this vga timing example.     So at the Start (initialisation) do I do the v-sync pulse, then begin the first line and at the end of that line is...
Sunday, 8 July 2018 - 18:52

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