[opus] Global stack on Cortex-M4

[Diego Alejandro Parra Guzman]

Hi all:

I'm successfully run OPUS in cortexM4 arm architectures using a cross
compiler gcc-arm-none-eabi . I recommend to uses the following precompile
flags before to compile you code:

arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard
-mfpu=fpv4-sp-dl16 -std=c99 -fasm -DARM_MATH_CM4 -DOPUS_ARM_INLINE_ASM
-DOPUS_ARM_ASM ....

and in your configuration file of OPUS you could use the following
configuration :

#define VAR_ARRAYS
#define FIXED_POINT /*Actually I'm working in a fixed point but I also test
it with float point and also works for me*/

#define OPUS_BUILD.

Test and comment if it works.

thanks you.


-- 
Diego Alejandro Parra Guzmán
Estudiante de ingeniería electrónica
Universidad distrital FJC
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