Issues with Running FreeRTOS v9.0 MinGW Demo with Eclipse.

mukeshtalks wrote on Wednesday, June 29, 2016:


I configured the eclipse with mingw. I inported the project as guided on website in eclipse and it is not running. I am getting error mentioned below:

Description Resource Path Location Type
‘STACK_SIZE_PARAM_IS_A_RESERVATION’ undeclared (first use in this function) port.c /RTOSDemo/FreeRTOS_Source/portable/MSVC-MingW line 286 C/C++ Problem

Can anyone help me where i am doing wrong.


rtel wrote on Wednesday, June 29, 2016:

STACK_SIZE_PARAM_IS_A_RESERVATION is not something that is used or
defined in the FreeRTOS code so I think this is something to do with
your compiler or compiler setup. Googling
STACK_SIZE_PARAM_IS_A_RESERVATION seems to show this is a common constant.

mukeshtalks wrote on Wednesday, June 29, 2016:

Hi RTE, Thanks for your quick reply. I could not understand the reolution. I just downlaoded the Freertos version 9 from the web i was expecign that it should work out of the box.

Can you please let me know how to do this stting in compiler or in wich file i need to define.

mauliktel wrote on Monday, October 10, 2016:

hi muku,

try this one… (hope you are using minGW)
(open definition for “CREATE_SUSPENDED” ) you will get this in …minGW\include\winbase.h
it will be : #define CREATE_SUSPENDED 0x00000004
below this line add : #define STACK_SIZE_PARAM_IS_A_RESERVATION 0x00010000
save file and then try to build your project.
I referred value from

Do reply with your findings…