From dabf838bbeae54d569f72e1cbc1f8209dd7ef77e Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <w.hottgenroth@krohne.com>
Date: Mon, 16 Nov 2020 15:16:06 +0100
Subject: [PATCH] cmd handler stuff

---
 cube/User/Src/cmdHandler.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/cube/User/Src/cmdHandler.c b/cube/User/Src/cmdHandler.c
index b971964..72d356d 100644
--- a/cube/User/Src/cmdHandler.c
+++ b/cube/User/Src/cmdHandler.c
@@ -42,6 +42,17 @@ bool clearCmd() {
 // returns 1 to toggle to config mode
 // returns 2 to toggle back to default mode
 int8_t cmdExecuteCommand(uint8_t *cmd, bool resetConfigMode) {
+    const static uint8_t HELP_MSG[] = \
+      "Usage\n\r" \
+      "\n\r" \
+      "help ................................. Show this help page\n\r" \
+      "quit ................................. Terminate the console session\n\r" \
+      "enable ............................... Enable configuration mode\n\r" \
+      "disable .............................. Disable configuration mode\n\r" \
+      "clear ................................ Clears the global Meterbus\n\r" \
+      "                                       statistics\n\r" \
+      "                                       Required configuration mode\n\r" \
+      ;
     const static uint8_t GOODBYE_MSG[] = "Good bye\n\r";
     const static uint8_t OK_MSG[] = "OK\n\r";
     const static uint8_t FAILED_MSG[] = "Failed\n\r";
@@ -59,6 +70,9 @@ int8_t cmdExecuteCommand(uint8_t *cmd, bool resetConfigMode) {
     if (0 == strcmp(cmd, "quit")) {
         messageToSend = GOODBYE_MSG;
         retCode = -1;
+    } else if (0 == strcmp(cmd, "help")) {
+        messageToSend = HELP_MSG;
+        retCode = -1;
     } else if (0 == strcmp(cmd, "enable")) {
         coloredMsg(LOG_YELLOW, "cec, enable config mode");
         configMode = true;