Port for Cortex-R5
Hi.
I searched a way of porting for RM57L843 and found it. The ways is it porting Cortex-R4 is similar with it so modify it..
I used FreeRTOS on RM48 before. So I tried it but I think it is not finished completely..
because it works strangly a little.
My system works if I make two simple task. But only one task is run when they have same priorities.
Scheduler is not start normally when I make a task, do more works. But it worked well previous system(RM48)
What files are needed change or revision?
Especially, I don’t know how can I make a sys_link.cmd file for memory allocation.
I use HALCoGen 4.0 of TI for making all of base files, then combine with OS files.
Please give me a tip for port for RM57.
I’m using FreeRTOS 8.0 and using Code Composer Studio 6.0.
Thank you.
Port for Cortex-R5
But only one task is run when they have same priorities.Lets start with a simple scenario and then increase the complexity to see at which point it stops behaving as it should. Set configUSE_PREEMPTION to 0 in FreeRTOSConfig.h to stop the tick interrupt trying to switch between the two tasks. Next create two task as follows:
volatile unint32_t ulTask1 = 0, ulTask2 = 0;
void vTask1( void *pvParameters )
{
for( ;; )
{
ulTask1++;
taskYIELD();
}
}
void vTask2( void *pvParameters )
{
for( ;; )
{
ulTask2++;
taskYIELD();
}
}
When you run this, do both tasks run? (do ulTask1 and ulTask2 both increment at the same rate).
If so, inspect xTickCount in the debugger – is that also incrementing?
Regards.
Port for Cortex-R5
oh.. I’m sorry. My system cannot create a task.. because i tried to revise many things.
I will try your suggestion if it can create a task.
This is another question. Is it right to use RM48 cmd file(e.g. sys_link.cmd) for RM57?
RM57 has bigger memory..
Port for Cortex-R5
I would assume you should use the correct file for the device you are using but you might get away with it with some wasted resources if the smaller chip is a subset of the larger.
Regards.
Port for Cortex-R5
Hi.
I found the problems and I fixed it.
It works very well.
Thank you for your help
Port for Cortex-R5
Please upload your code to http://interactive.freertos.org thanks.
Regards.