Dear All, I am working on STR9-Angilia-FreeRTOs Project. I am creating 9 Tasks having same priority( 5 ). configMAX_PRIORITY is 8. Stack size are 1) Stack sizes of 4 Tasks are 100. 2) Stack sizes of other 5 Tasks are 400. ( 4 of these Tasks are multiple instances of one Task ) But one of the above Task which having 100 Stack Size is not getting created due to stack size. As per site documentation higher the value of configMAX_PRIORITY more RAM will be required by Kernel. Therefore I kept priorities of All Tasks to 1 and configMAX_PRIORITY set to 2. But found same result. I don’t know why stack size is creating problem if STR9 is having 96K RAM ? How should I calculate Stack sizes ? I know that we have to add sizes all variables used in Task & in related functions. Am I right or tell me how to calculate it exactly ? Please help me in this issue. Thanks, Sachin D. Bhujbal
If you are using heap_1.c or heap_2.c then increase the value of configTOTAL_HEAP_SPACE in FreeRTOSConfig.h.
Thanks Dave, Problem is solved after increasing Heap Size., I read it in document that it is ram size available to Kernel. But can You explain me in detail about Heap & its use ? Please answer !
Did you read this http://www.freertos.org/a00111.html ?
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