casaroli commented on code in PR #3973:
URL: https://github.com/apache/nuttx-apps/pull/3973#discussion_r4473343233


##########
mlearning/cmsis-nn/Makefile:
##########
@@ -24,7 +24,7 @@ include $(APPDIR)/Make.defs
 
 CMSIS_NN = cmsis-nn/Source
 
-CMSIS_NN_VER = 72e1ebf623ab1660a3e14e4e36fdcddce46f1991
+CMSIS_NN_VER = 18bb0fd4ecea4b17a5a3c444c8d3a8cf28b1e68f

Review Comment:
   This CMSIS-NN pin breaks the build with CONFIG_ARM_NEON. The new 
`arm_nnfunctions.h` adds `const cmsis_nn_dims *upscale_dims` to 
arm_convolve_s8(), and 
`mlearning/tflite-micro/operators/neon/arm_convolve_s8.c:41` still has the old 
list: `error: conflicting types for 'arm_convolve_s8'`. The same file compiles 
with the previous `CMSIS_NN_VER`.
   
   Fix: add `upscale_dims` to arm_convolve_s8() in that file, and handle it as 
the new CMSIS-NN arm_convolve_s8() does.



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