examples/natmod/deepcraft: SOme more trials.

Signed-off-by: NikhitaR-IFX <nikhita.rajasekhar@infineon.com>

Author: NikhitaR-IFX

examples/natmod/deepcraft/Makefile

@@ -14,14 +14,7 @@ ARCH = armv7emsp
 LINK_RUNTIME = 1
 
 CFLAGS += -Dsqrtf=__builtin_sqrtf -fno-math-errno -fno-trapping-math -fno-builtin-logf -ffreestanding
-CFLAGS += --data-sections
-# If -lm is required:
-# Even stronger — exclude specific problematic objects
-LDFLAGS += -Wl,--exclude-libs,ALL
-
-
-
-
+CFLAGS += -Dlogf=logf
 
 #CFLAGS += -Dlogf=__builtin_logf -ffreestanding -fno-math-errno -fno-trapping-math -ffast-math
 

examples/natmod/deepcraft/dc_mp_iface.c

@@ -8,6 +8,14 @@ void *memcpy(void *dst, const void *src, size_t n) {
 void *memset(void *s, int c, size_t n) {
     return mp_fun_table.memset_(s, c, n);
 }
+
+__attribute__((weak))
+float logf(float x) {
+    // Basic fallback or dummy version — avoids pulling in full libm
+    // Replace with your approximation if needed
+    return 0.0f;  // Just to satisfy the linker
+}
+
 /*float logf(float x) {
     // Optional: You can define a very basic approximation, or just return x
     // to make the code compile and defer real computation

examples/natmod/deepcraft/model.c

@@ -8029,7 +8029,7 @@ static inline void softmax_f32(const float* restrict x, int count, float* restri
 {
 	float sum = 0;
 	for (int i = 0; i < count; i++) {
-		float value = expf(x[i]);
+		float value = 0;expf(x[i]);
 		sum += value;
 		result[i] = value;
 	}
@@ -8070,10 +8070,10 @@ int IMAI_dequeue(float *restrict data_out) {
         norm_f32(_K6, 1, 2, 257, _K10);
         mel_f32(_K10, _K11, 257, 1, 20, _K12);
         clip_f32(_K12, 20, 0.000316227766016, 3.40282347E+38, _K13);
-        loge_f32(_K13, 20, _K14);
+        //loge_f32(_K13, 20, _K14);
         __RETURN_ERROR_BREAK_EMPTY(fixwin_enqueuef32(_K16, _K14));
     }
-    /*__RETURN_ERROR(fixwin_dequeuef32(_K16, _K15, 33));
+    __RETURN_ERROR(fixwin_dequeuef32(_K16, _K15, 33));
     conv2d_f32(_K15, _K18, _K17, 12, 5, 5, 2, 2, 60, 20, 1, 1, 2, 1, 2);
     mul_f32(_K17, _K20, 1, 1, 1, 300, 12, _K22);
     add_f32(_K22, _K21, 1, 1, 1, 300, 12, _K19);
@@ -8091,7 +8091,7 @@ int IMAI_dequeue(float *restrict data_out) {
     globav2d_f32(_K41, 3, 8, 32, _K42);
     dott_f32(_K43, _K42, _K44, 32, 2, 1);
     add_f32(_K44, _K45, 1, 1, 1, 1, 2, _K46);
-    softmax_f32(_K46, 2, data_out);*/
+    softmax_f32(_K46, 2, data_out);
     return 0;
 }