Create EEPROM_write.ino

ptphucbk · Nov 11, 2013 · dc80427 · dc80427
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diff --git a/EEPROM_write.ino b/EEPROM_write.ino
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+// We use the first 625 bytes of EEPROM to save the QR code and the rest of EEPROM from byte number 640 we save our 
+// database of accounts. Each account has the format: username#password### (length 20)
+// This code is for writing account to EEPROM
+
+#include <EEPROM.h>
+
+char matrix[25][25] = {
+{'1', '1', '1', '1', '1', '1', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '1', '1', '1', '1', '1', '1'},
+{'1', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '1'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '1', '1', '1', '0', '1'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '1', '1', '1', '0', '1'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '1', '1', '1', '0', '1'},
+{'1', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '1'},
+{'1', '1', '1', '1', '1', '1', '1', '0', '1', '0', '1', '0', '1', '0', '1', '0', '1', '0', '1', '1', '1', '1', '1', '1', '1'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '1', '0', '1', '1', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '1', '0', '0', '1'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '1', '1', '1', '1', '0', '0', '0', '0'},
+{'0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '1', '0', '0', '0', '0'},
+{'1', '1', '1', '1', '1', '1', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '1', '0', '1', '0', '0', '0', '0'},
+{'1', '0', '0', '0', '0', '0', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '1', '0', '0', '0', '0'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '1', '1', '1', '1', '1', '0', '0', '0', '0'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'1', '0', '1', '1', '1', '0', '1', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'1', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+{'1', '1', '1', '1', '1', '1', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'},
+};
+
+//String str = "00010000001001000111101101111011010111010001000011101100000100011110110000010001111011000001000111101100000100011110110000010001010010101101011001111010010110100010111001100101101010001100100100101011111110101111101101111010000100101110011001001001010110001010101110010101001011001011110100110101011000001010011001011101101010001011010101011010110001010000000";
+
+void setup()
+{
+  Serial.begin(9600);
+
+  String admin = "Phuc%08101991#######";
+  String user1 = "Duong%1234##########";
+  String user2 = "Thang%HaThang#######";
+  int address = 640;
+  address = writeString(address,admin);
+  address = writeString(address,user1);
+  address = writeString(address,user2);
+
+
+  for (int i = 0; i < 25; i++){
+    for (int j = 0; j < 25; j++){
+      EEPROM.write(i*25 + j, matrix[i][j]);
+    }
+  }
+//  writeString(650, str);
+//  fill_data();
+//  mask_matrix();
+}
+
+void loop()
+{
+
+}
+
+int writeString(int address, String str){
+  int i=0;
+  for(i=0;i<str.length();i++){
+      EEPROM.write(address, str.charAt(i));
+      address++;
+      Serial.print(str.charAt(i));
+  }
+  Serial.println();
+  return address;
+}
+
+int check_coordinate(int x, int y){
+  if (x >=0 && x <=8 && y >=0 && y <= 8){
+    return 0;
+  }
+  else if (x >=17 && x <= 24 && y >=0 && y <= 8){
+    return 0;
+  }
+  else if (y >=17 && y <= 24 && x >=0 && x <= 8){
+    return 0;
+  }
+  else if (x == 6 && y >= 9 && y <= 16){
+    return 0;
+  }
+  else if (x >= 9 && x <= 16 && y == 6){
+    return 0;
+  }
+  else if (x >= 16 && x <= 20 && y >= 16 && y <= 20){
+    return 0;
+  }
+  else return 1;
+}
+
+void fill_data(){
+
+  int x = 24;
+  int yy;
+  int y = 24;
+  int direction = -1;
+  int i=650,j=0;
+
+  while(y > 0){
+    while( x >= 0 && x < 25){
+      for(j=0; j<2; j++){
+        yy = y - j;
+        if (check_coordinate(x,yy)){
+//          if (str.substring(i,i+1).equals("0")){
+            if (EEPROM.read(i) == '0'){
+            EEPROM.write(x*25 + yy, '0');
+          }
+          else
+          {
+            EEPROM.write(x*25 + yy, '1');
+          }
+          i++;
+        }
+      }
+      x += direction;
+    }
+    direction = -direction;
+    x += direction;
+    y -= 2;
+  }
+
+  for(x = 9; x<17; x++){
+//    if (str.substring(i,i+1).equals("0")){
+      if (EEPROM.read(i) == '0'){
+      EEPROM.write(x*25, '0');
+    }
+    else
+    {
+      EEPROM.write(x*25, '1');
+    }
+    i++;
+  }
+}
+
+void mask_matrix(){
+  int x=0, y=0;
+  for (x=0;x<25;x++){
+    for (y=0;y<25;y++){
+      if ((x+y)%2 == 0 && check_coordinate(x, y) == 1){
+        if (EEPROM.read(x*25+y) == '0'){
+          EEPROM.write(x*25+y, '1');
+        }
+        else {
+          EEPROM.write(x*25+y, '0');
+        }
+      }
+    }
+  }
+}
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