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NVIC_PriorityGroupConfig() Undefined

Question asked by Stephen on Feb 26, 2016
The processor is an STM32F373VC using STM32CubeMX generated code with the FREERTOS option enabled.

I have attempted to add the code:

NVIC_PriorityGroupConfig( NVIC_PRIORITYGROUP_4 );

to the code in main.c as instructed in the red text on page:
http://www.freertos.org/RTOS-Cortex-M3-M4.html
(I had to figure out the argument must have all capital characters).
and as instructed in the comment in line 221 in the file "stm32f3xx_hal_cortex.c".

I cannot find the function NVIC_PriorityGroupConfig() defined anywhere, nor can the gcc compiler running in Ac6. Where is it?

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