add some code

managed_components/espressif__esp-dsp/examples/conv2d/main/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "conv2d_main.c"
+                    INCLUDE_DIRS ".")

managed_components/espressif__esp-dsp/examples/conv2d/main/conv2d_main.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <malloc.h>
+#include "esp_dsp.h"
+#include "dsp_tests.h"
+
+static const char *TAG = "main";
+
+void app_main(void)
+{
+    ESP_LOGI(TAG, "Start Example.");
+
+    int max_N = 100;
+
+    float *data1 = (float *)memalign(16, max_N * sizeof(float));
+    float *data2 = (float *)memalign(16, max_N * sizeof(float));
+    float *data3 = (float *)memalign(16, max_N * sizeof(float));
+
+    image2d_t image1 = {data1, 1, 1, 8, 8, 8, 8};   // Image 8x8
+    image2d_t image2 = {data2, 1, 1, 4, 4, 4, 4};   // Image 4x4
+    image2d_t image3 = {data3, 1, 1, 10, 10, 0, 0}; // Image 10x10
+
+    for (int i = 0 ; i < max_N ; i++) {
+        data1[i] = 0;
+        data2[i] = 0;
+        data3[i] = 0;
+    }
+
+    for (int y = 0 ; y < image1.stride_y / image1.step_y ; y++) {
+        for (int x = 0 ; x < image1.stride_x / image1.step_x ; x++) {
+            data1[y * image1.stride_x * image1.step_y + x * image1.step_x] = 1;
+        }
+    }
+    for (int y = 0 ; y < image2.stride_y / image2.step_y ; y++) {
+        for (int x = 0 ; x < image2.stride_x / image2.step_x ; x++) {
+            data2[y * image2.stride_x * image2.step_y + x * image2.step_x] = 1;
+        }
+    }
+
+    dspi_conv_f32(&image1, &image2, &image3);
+
+    ESP_LOGI(TAG, "2D Convolution reuslt.");
+
+    for (int y = 0 ; y < image3.size_y; y++) {
+        printf("[%2i .. %2i, %2i]:  ", 0,  image3.size_x, y);
+        for (int x = 0 ; x < image3.size_x; x++) {
+            printf("%2.0f, ", data3[y * image3.stride_x * image3.step_y + x * image3.step_x]);
+        }
+        printf("\n");
+    }
+
+    free(data1);
+    free(data2);
+    free(data3);
+
+}

managed_components/espressif__esp-dsp/examples/conv2d/main/idf_component.yml

@@ -0,0 +1,4 @@
+dependencies:
+  espressif/esp-dsp:
+    override_path: "../../../"
+    version: "*"