added back docs folder

Author: MArndt26

docs/Hardware_Layout.drawio

@@ -1,7 +1,7 @@
 #include "calibrate.h"
 #include "e3_core.h"
 
-const char PASSWORD[5] = "1234";
+const char PASSWORD[5] = CALIBRATION_PASSWORD;
 int LOCKED = 1;
 
 #define CHARMAP_SIZE 8
@@ -126,10 +126,16 @@ void calibrate_lock()
             else if (c == ENTER)
             {
                 handleEnter_lock();
+                if (LOCKED)
+                {
+                    incorrectPasswordScreen();
+                    delay(1000);
+                }
                 return;
             }
             else if (c == CALIBRATE_BUTTON)
             {
+                setValStr[0] = '\0';
                 signal.error();
                 return;
             }
@@ -150,8 +156,6 @@ void calibrate()
 
     if (LOCKED)
     {
-        incorrectPasswordScreen();
-        delay(1000);
         curScreen = HOME;
         return;
     }

docs/Operation_Instructions.docx

@@ -3,7 +3,7 @@
 
 E3_Memory::E3_Memory()
 {
-    E3_Memory::readAll();
+    readAll();
 }
 
 void E3_Memory::readAll()
@@ -12,6 +12,7 @@ void E3_Memory::readAll()
     EEPROM.get(fn1_addr, fn1);
     EEPROM.get(fn2_addr, fn2);
     EEPROM.get(fn3_addr, fn3);
+    EEPROM.get(c_fact_addr, c_factor);
 
     int size = 3;
     int arr[] = {fn1, fn2, fn3};
@@ -41,7 +42,7 @@ void E3_Memory::writeFN(int i, int val)
     {
         fn1 = val;
 #ifdef PERMANENT_MEM
-        EEPROM.put(fn1_ad, fn1);
+        EEPROM.put(fn1_addr, fn1);
 #endif
     }
     else if (i == 2)

docs/images/schematic.png

@@ -18,6 +18,13 @@ void setup()
   screen.start();
 #endif
 
+#ifndef INITIALIZE_PERMANENT_MEM
+  memory.fn1 = 100;
+  memory.fn2 = 200;
+  memory.fn3 = 300;
+  memory.c_factor = 464.5f;
+#endif
+
   e3_scale.setVal = memory.fn1;
 
   keypad.setDebounceTime(50);

src/calibrate.cpp

@@ -6,9 +6,11 @@
 #define HOME_KEYPAD_ENTER 1
 
 //uncomment to toggle options on, leave commented for off
-#define NO_FOOTSWITCH
+#define PERMANENT_MEM
 
-// #define PERMANENT_MEM
+#define INITIALIZE_PERMANENT_MEM
+
+#define CALIBRATION_PASSWORD "1234"
 
 // #define SERIAL_DEBUG
 
@@ -20,6 +22,4 @@
 
 #define VIRTUAL_DIGITAL
 
-// #define CALIBRATE
-
 #endif

src/e3_memory.cpp

@@ -5,7 +5,7 @@ void updatePresetScreen()
 {
     char line[17];
 
-    sprintf(line, "PREST:%c %7dg", curFNButton, memory.getFN(curFNButton - FN1_Button));
+    sprintf(line, "PREST:%c %7dg", curFNButton, memory.getFN(curFNButton - FN1_Button + 1));
 
     screen.home();
     screen.print(line);
@@ -29,7 +29,7 @@ void handleFN_preset(char c)
 
 void handleEnter_preset(char c)
 {
-    e3_scale.setVal = memory.getFN(curFNButton - FN1_Button);
+    e3_scale.setVal = memory.getFN(curFNButton - FN1_Button + 1);
 
     curScreen = HOME;
 }

src/main.cpp

@@ -15,7 +15,7 @@ void updateProgramScreen()
     screen.setCursor(0, 1);
     if (setValStr[0] == '\0')
     {
-        snprintf(line, 17, "Cur Val:%7dg", memory.getFN(curFNButton - FN1_Button));
+        snprintf(line, 17, "Cur Val:%7dg", memory.getFN(curFNButton - FN1_Button + 1));
     }
     else
     {