init

User/util/hexdump.c

@@ -0,0 +1,39 @@
+#include "stdio.h"
+#include <ctype.h>
+#include "hexdump.h"
+
+void hexdump (const char *label, const uint8_t *data, size_t len) {
+    if (label)
+        iprintf ("%s (len=%u):\n", label, len);
+
+    for (size_t i = 0; i < len; i += 16) {
+        iprintf ("%04u  ", i);  // offset
+        for (size_t j = 0; j < 16; j++) {
+            if (i + j < len)
+                iprintf ("%02X ", data[i + j]);
+            else
+                iprintf ("   ");  // pad spacing
+        }
+        iprintf (" ");
+        for (size_t j = 0; j < 16 && i + j < len; j++) {
+            uint8_t c = data[i + j];
+            iprintf ("%c", isprint (c) ? c : '.');
+        }
+        iprintf ("\n");
+    }
+}
+
+void hexdump_compact(const uint8_t* data, size_t len, char* out, size_t out_size) {
+    size_t pos = 0;
+
+    for (size_t i = 0; i < len; i++) {
+        if (pos + 2 >= out_size) break;  // make sure we don¡¯t overflow
+        snprintf(out + pos, 3, "%02x", data[i]); // 2 chars + null terminator
+        pos += 2;
+    }
+
+    if (pos < out_size)
+        out[pos] = '\0';
+    else
+        out[out_size - 1] = '\0'; // ensure null termination
+}

User/util/hexdump.h

@@ -0,0 +1,11 @@
+#ifndef HEXDUMP_HEADER
+#define HEXDUMP_HEADER
+
+
+#include "stddef.h"
+#include "stdint.h"
+void hexdump (const char *label, const uint8_t *data, size_t len);
+
+void hexdump_compact(const uint8_t* data, size_t len, char* out, size_t out_size);
+
+#endif

User/util/log.h

@@ -0,0 +1,33 @@
+#ifndef LOGGER_HEADER
+#define LOGGER_HEADER
+
+#include <stdio.h>
+
+// Log levels as integers for easy comparison
+#define LOG_LEVEL_ERROR   0
+#define LOG_LEVEL_WARN    1
+#define LOG_LEVEL_INFO    2
+#define LOG_LEVEL_DEBUG   3
+#define LOG_LEVEL_VERBOSE 4
+
+// Current log level (change at runtime or compile-time)
+#ifndef CURRENT_LOG_LEVEL
+#define CURRENT_LOG_LEVEL LOG_LEVEL_DEBUG
+#endif
+
+// Internal macro to check log level
+#define LOG_PRINT_IF(level, levelStr, tag, fmt, ...) \
+    do { \
+        if ((level) <= CURRENT_LOG_LEVEL) { \
+            printf("[%s] %s: " fmt "\r\n", levelStr, tag, ##__VA_ARGS__); \
+        } \
+    } while(0)
+
+// ESP-like shortcuts
+#define MESH_LOGE(tag, fmt, ...) LOG_PRINT_IF(LOG_LEVEL_ERROR,   "E", tag, fmt, ##__VA_ARGS__)
+#define MESH_LOGW(tag, fmt, ...) LOG_PRINT_IF(LOG_LEVEL_WARN,    "W", tag, fmt, ##__VA_ARGS__)
+#define MESH_LOGI(tag, fmt, ...) LOG_PRINT_IF(LOG_LEVEL_INFO,    "I", tag, fmt, ##__VA_ARGS__)
+#define MESH_LOGD(tag, fmt, ...) LOG_PRINT_IF(LOG_LEVEL_DEBUG,   "D", tag, fmt, ##__VA_ARGS__)
+#define MESH_LOGV(tag, fmt, ...) LOG_PRINT_IF(LOG_LEVEL_VERBOSE, "V", tag, fmt, ##__VA_ARGS__)
+
+#endif