From f8f73d2ccbb32b4134e441c2e8652400c1fd78ba Mon Sep 17 00:00:00 2001
From: jgromes <jan.gromes@gmail.com>
Date: Sun, 3 Jul 2022 11:05:56 +0200
Subject: [PATCH] [MOD] Added helper hexdump function

---
 src/Module.cpp | 20 ++++++++++++++++++++
 src/Module.h   |  9 +++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/Module.cpp b/src/Module.cpp
index d430b9aa..2a6e35cd 100644
--- a/src/Module.cpp
+++ b/src/Module.cpp
@@ -445,6 +445,26 @@ uint16_t Module::flipBits16(uint16_t i) {
   return i;
 }
 
+void Module::hexdump(uint8_t* data, size_t len) {
+  for(int i = 0; i < len; i+=16) {
+    char str[80];
+    sprintf(str, "%07x  ", i);
+    for(int j = 0; j < 16; j++) {
+      sprintf(&str[8 + j*3], "%02x ", data[i+j]);
+    }
+    str[56] = '|';
+    str[57] = ' ';
+    for(int j = 0; j < 16; j++) {
+      char c = data[i+j];
+      if((c < ' ') || (c > '~')) {
+        c = '.';
+      }
+      sprintf(&str[58 + j], "%c", c);
+    }
+    RADIOLIB_DEBUG_PRINTLN(str);
+  }
+}
+
 void Module::setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn) {
   _useRfSwitch = true;
   _rxEn = rxEn;
diff --git a/src/Module.h b/src/Module.h
index aa38f6d4..7b93d154 100644
--- a/src/Module.h
+++ b/src/Module.h
@@ -377,6 +377,15 @@ class Module {
     */
     static uint16_t flipBits16(uint16_t i);
 
+    /*!
+      \brief Function to dump data as hex into the debug port.
+
+      \param data Data to dump.
+
+      \param data Number of bytes to dump.
+    */
+    static void hexdump(uint8_t* data, size_t len);
+
     // hardware abstraction layer callbacks
     RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_PIN_MODE);
     RADIOLIB_GENERATE_CALLBACK(RADIOLIB_CB_ARGS_DIGITAL_WRITE);