store config in "eeprom"

Firmware/EggbotWireless/include/ConfigManager.h

@@ -7,12 +7,16 @@
 
 class ConfigManager {
    private:
+    bool saved = false;
+
    public:
     std::unordered_map<std::string, std::string> map;
     ConfigManager();
     std::string get(std::string &prop);
     void update(std::string &prop, std::string &val);
     void load();
+    void write();
+    bool isSaved();
 };
 
 extern ConfigManager configManager;

Firmware/EggbotWireless/include/LocalCommand.h

@@ -6,8 +6,10 @@
 enum class LCommandType {
     unk = 0,
     ConfGet,    // LCG
-    ConfList,  // LCL
+    ConfList,   // LCS
-    ConfSet,   // LCS
+    ConfPut,    // LCP
+    ConfLoad,   // LCL
+    ConfWrite,  // LCW
 };
 
 struct LCommand {
@@ -26,38 +28,7 @@ struct LCommand {
         fromChars(buf);
     }
 
-    void fromChars(char *cmd) {
+    void fromChars(char *cmd);
-        char *token = strtok(cmd, " ");
-
-        memset(arg1, 0, 25);
-        memset(arg2, 0, 25);
-        memset(arg3, 0, 25);
-
-        for (int i = 0; token != NULL && i < 4; i++) {
-            if (i == 0) {
-                char cmd[4];
-                strncpy(cmd, token, 4);
-                for (int i = 0; cmd[i] != '\0'; i++) {
-                    cmd[i] = toupper(cmd[i]);
-                }
-
-                if (strcmp("LCG", cmd) == 0) {
-                    type = LCommandType::ConfGet;
-                } else if (strcmp("LCS", cmd) == 0) {
-                    type = LCommandType::ConfSet;
-                } else if (strcmp("LCL", cmd) == 0) {
-                    type = LCommandType::ConfList;
-                }
-            } else if (i == 1) {
-                strncpy(arg1, token, 25);
-            } else if (i == 2) {
-                strncpy(arg2, token, 25);
-            } else if (i == 3) {
-                strncpy(arg3, token, 25);
-            }
-            token = strtok(NULL, " ");
-        }
-    }
 };
 
 #endif  // LOCAL_COMMAND_H

Firmware/EggbotWireless/src/ConfigManager.cpp

@@ -2,14 +2,27 @@
 
 #include "ConfigManager.h"
 
+/*
+    Max string length is 25
+    Pairs are stored in EEPROM as 50 chars (25 chars for one string)
+    First EEPROM pair is current status: "good", "reset"
+    Last pair is "end"
+*/
+
 ConfigManager::ConfigManager() { map.reserve(20); }
 
 void ConfigManager::update(std::string &prop, std::string &val) {
+    if (prop == "good" || prop == "reset" || prop == "end") {
+        return;
+    }
+
     auto valp = map.find(prop);
     if (valp != map.end()) {
         map.erase(valp);
     }
     map.emplace(prop, val);
+
+    saved = false;
 }
 
 std::string ConfigManager::get(std::string &prop) {
@@ -21,6 +34,76 @@ std::string ConfigManager::get(std::string &prop) {
     }
 }
 
-void ConfigManager::load() {}
+void ConfigManager::load() {
+    saved = true;
+    unsigned int cur = 0;
+    char curStr[25];
+    bool val = false;
+    memset(curStr, 0, 25);
+
+    EEPROM.begin(2048);
+
+    for (; cur < 25; cur++) {
+        curStr[cur] = EEPROM.read(cur);
+    }
+
+    if (strcmp(curStr, "good") != 0) {
+        EEPROM.end();
+        return;
+    }
+
+    cur = 50;
+
+    char prop[25];
+    do {
+        for (int i = 0; i < 25; cur++ && i++) {
+            curStr[i] = EEPROM.read(cur);
+        }
+
+        if (strcmp(curStr, "end") == 0 && !val) {
+            break;
+        }
+
+        if (!val) {
+            strncpy(prop, curStr, 25);
+            val = true;
+        } else {
+            map.emplace(prop, curStr);
+            val = false;
+        }
+    } while (strcmp(curStr, "end") != 0 && cur < EEPROM.length());
+
+    EEPROM.end();
+}
+
+void ConfigManager::write() {
+    saved = true;
+
+    int curPair = 0;
+    char buffer[2048];
+    memset(buffer, 0, 2047);
+
+    strncpy(buffer, "good", 24);
+    curPair++;
+
+    EEPROM.begin(2048);
+
+    for (auto &val : map) {
+        strncpy(&buffer[curPair * 50], val.first.c_str(), 24);
+        strncpy(&buffer[(curPair * 50) + 25], val.second.c_str(), 24);
+        curPair++;
+    }
+
+    strncpy(&buffer[curPair * 50], "end", 24);
+    curPair++;
+
+    for (int i = 0; i < curPair * 50; i++) {
+        EEPROM.write(i, buffer[i]);
+    }
+    EEPROM.commit();
+    EEPROM.end();
+}
+
+bool ConfigManager::isSaved() { return saved; }
 
 ConfigManager configManager;

Firmware/EggbotWireless/src/LocalCommand.cpp

@@ -1,2 +1,38 @@
 #include "LocalCommand.h"
 
+void LCommand::fromChars(char *cmd) {
+    char *token = strtok(cmd, " ");
+
+    memset(arg1, 0, 25);
+    memset(arg2, 0, 25);
+    memset(arg3, 0, 25);
+
+    for (int i = 0; token != NULL && i < 4; i++) {
+        if (i == 0) {
+            char cmd[4];
+            strncpy(cmd, token, 4);
+            for (int i = 0; cmd[i] != '\0'; i++) {
+                cmd[i] = toupper(cmd[i]);
+            }
+
+            if (strcmp("LCG", cmd) == 0) {
+                type = LCommandType::ConfGet;
+            } else if (strcmp("LCP", cmd) == 0) {
+                type = LCommandType::ConfPut;
+            } else if (strcmp("LCS", cmd) == 0) {
+                type = LCommandType::ConfList;
+            } else if (strcmp("LCL", cmd) == 0) {
+                type = LCommandType::ConfLoad;
+            } else if (strcmp("LCW", cmd) == 0) {
+                type = LCommandType::ConfWrite;
+            }
+        } else if (i == 1) {
+            strncpy(arg1, token, 25);
+        } else if (i == 2) {
+            strncpy(arg2, token, 25);
+        } else if (i == 3) {
+            strncpy(arg3, token, 25);
+        }
+        token = strtok(NULL, " ");
+    }
+}

Firmware/EggbotWireless/src/LocalExecutor.cpp

@@ -14,7 +14,7 @@ void LocalExecutor::execCommand(LCommand cmd) {
 
         return;
     }
-    if (cmd.type == LCommandType::ConfSet) {
+    if (cmd.type == LCommandType::ConfPut) {
         Serial.print(cmd.arg1);
         Serial.print(": ");
         std::string arg1 = std::string(cmd.arg1);
@@ -34,6 +34,15 @@ void LocalExecutor::execCommand(LCommand cmd) {
         }
     }
 
+    if(cmd.type == LCommandType::ConfLoad) {
+        configManager.load();
+        return;
+    }
+
+    if(cmd.type == LCommandType::ConfWrite) {
+        configManager.write();
+        return;
+    }
 }
 
 LocalExecutor localExecutor;

Firmware/EggbotWireless/src/main.cpp

@@ -3,6 +3,7 @@
 #include <Ticker.h>
 #include <Wire.h>
 #include <string>
+#include "ConfigManager.h"
 #include "Executor.h"
 #include "GCodeParser.h"
 #include "Globals.h"
@@ -22,6 +23,7 @@ void setup() {
     power.enable12v();
     inString.reserve(50);
     commandBuf.reserve(50);
+    configManager.load();
 }
 
 void sendCommand(std::string command) {