From 0ed710e6529ddbdaed931b96834fe70d70f8369c Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <w.hottgenroth@krohne.com>
Date: Tue, 1 Dec 2020 12:20:02 +0100
Subject: [PATCH] device configuration prepared

---
 cube/User/Src/cmdHandler.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/cube/User/Src/cmdHandler.c b/cube/User/Src/cmdHandler.c
index 6bf45a8..5df35f3 100644
--- a/cube/User/Src/cmdHandler.c
+++ b/cube/User/Src/cmdHandler.c
@@ -43,7 +43,7 @@ typedef struct {
 } cmd_t;
 
 
-static void sendString(char *buf) {
+static void sendString(const char *buf) {
         send(CMD_SOCK, (uint8_t*)buf, strlen(buf));
 }
 
@@ -163,6 +163,13 @@ static bool showConfigCmd(uint8_t argc, char **args) {
     return retCode;
 }
 
+static bool restartCmd(uint8_t argc, char **args) {
+    HAL_NVIC_SystemReset();
+    // you want come here ...
+    return true;
+}
+
+
 const static cmd_t COMMANDS[] = {
     { .name = "globalStats", .cmdFunc = globalStatsCmd,
       .help = \
@@ -199,6 +206,11 @@ const static cmd_t CONFIG_COMMANDS[] = {
      .help = \
         "show ................................. Show the configuration\n\r"
     },
+    { .name = "restart", .cmdFunc = restartCmd,
+      .help = \
+        "restart .............................. Restart the system,\n\r" \
+        "                                       Required to reload config\n\r"
+    },
     { .name = "END_OF_CMDS", .help = "",.cmdFunc = NULL }
 };
 
@@ -218,6 +230,13 @@ static int8_t cmdExecuteCommand(uint8_t *cmdLine, bool resetSpecialModes) {
       "config ............................... Enter configuration mode\n\r" \
       "disable .............................. Disable admin/config mode\n\r" \
       ;
+    const static char CONFIG_INTRO_MSG[] = \
+      "In configuration mode each command changing the configuration\n\r" \
+      "will save changes directly to the EEPROM.\n\r" \
+      "However, the system will only consider these changes after a\n\r" \
+      "restart since only in this sitution the EEPROM is read.\n\r" \
+      "\n\r" \
+      ;
     const static char GOODBYE_MSG[] = "Good bye\n\r";
     const static char OK_MSG[] = "OK\n\r";
     const static char FAILED_MSG[] = "Failed\n\r";
@@ -260,14 +279,17 @@ static int8_t cmdExecuteCommand(uint8_t *cmdLine, bool resetSpecialModes) {
         messageToSend = (uint8_t*)GOODBYE_MSG;
         retCode = -1;
     } else if (0 == strcmp(cmd, "help")) {
-        send(CMD_SOCK, (uint8_t*)HELP_MSG, strlen(HELP_MSG));
+        if (configMode) {
+            sendString(CONFIG_INTRO_MSG);
+        }
+        sendString(HELP_MSG);
         uint8_t cmdIdx = 0;
         while (true) {
             cmd_t command = commands[cmdIdx];
             if (0 == strcmp("END_OF_CMDS", command.name)) {
                 break;
             }
-            send(CMD_SOCK, (uint8_t*)command.help, strlen(command.help));
+            sendString(command.help);
             cmdIdx++;
         }
         messageToSend = NULL;
@@ -278,6 +300,7 @@ static int8_t cmdExecuteCommand(uint8_t *cmdLine, bool resetSpecialModes) {
     } else if (0 == strcmp(cmd, "disable")) {
         coloredMsg(LOG_YELLOW, true, "ch cec disable admin mode");
         adminMode = false;
+        configMode = false;
         retCode = 3;
     } else if (0 == strcmp(cmd, "config")) {
         coloredMsg(LOG_YELLOW, true, "ch cec enable config mode");