use dexdump to dump data

1 files changed, 35 insertions, 2 deletions

diff --git a/tests/projects/other/bin2obj/src/main.c b/tests/projects/other/bin2obj/src/main.c
index 78ac52f73..196247654 100644
--- a/tests/projects/other/bin2obj/src/main.c
+++ b/tests/projects/other/bin2obj/src/main.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdint.h>
+#include <ctype.h>
 
 extern const uint8_t _binary_data_bin_start[];
 extern const uint8_t _binary_data_bin_end[];
@@ -7,11 +8,43 @@ extern const uint8_t _binary_data_bin_end[];
 extern const uint8_t _binary_image_png_start[];
 extern const uint8_t _binary_image_png_end[];
 
+static void hexdump(const char* name, const uint8_t* data, uint32_t size) {
+    printf("%s: size: %u bytes\n", name, (unsigned int)size);
+    if (size == 0) {
+        return;
+    }
+    for (uint32_t offset = 0; offset < size; offset += 16) {
+        // print offset
+        printf("%08x  ", (unsigned int)offset);
+        
+        // print hex bytes (8 bytes, space, 8 bytes)
+        for (uint32_t i = 0; i < 16; i++) {
+            if (offset + i < size) {
+                printf("%02x ", data[offset + i]);
+            } else {
+                printf("   ");
+            }
+            if (i == 7) {
+                printf(" ");
+            }
+        }
+        
+        // print ASCII representation
+        printf(" |");
+        for (uint32_t i = 0; i < 16 && offset + i < size; i++) {
+            uint8_t c = data[offset + i];
+            printf("%c", isprint(c) ? c : '.');
+        }
+        printf("|\n");
+    }
+}
+
 int main(int argc, char** argv) {
     const uint32_t _binary_data_bin_size = (uint32_t)(_binary_data_bin_end - _binary_data_bin_start);
     const uint32_t _binary_image_png_size = (uint32_t)(_binary_image_png_end - _binary_image_png_start);
 
-    printf("data.bin: %s, size: %u\n", (const char*)_binary_data_bin_start, (unsigned int)_binary_data_bin_size);
-    printf("image.png: %s, size: %u\n", (const char*)_binary_image_png_start, (unsigned int)_binary_image_png_size);
+    hexdump("data.bin", _binary_data_bin_start, _binary_data_bin_size);
+    printf("\n");
+    hexdump("image.png", _binary_image_png_start, _binary_image_png_size);
     return 0;
 }