Maze Lock created with MAX7219 LED Matrix

1//Mario's Ideas
2//Maze Lock
3
4#include <LedControl.h>
5int cursor_row=  2;
6int cursor_col = 0;
7int Direction =1;
8
9int UP_LED = 6;
10int DOWN_LED  = 8;
11int RIGHT_LED = 4;
12int LEFT_LED = 12;
13
14int DIN = 11;
15int CS  = 7;
16int CLK = 13;
17
18long Timestamp_Button_Pressed;
19
20
21LedControl  lc=LedControl(DIN, CLK, CS,0);
22
23int CurrentState [8] [8] {
24  {0,0,0,0,0,0,0,0},
25  {0,0,0,0,0,0,0,0},
26  {1,0,0,0,0,0,0,0},
27  {0,0,0,0,0,0,0,0},
28  {0,0,0,0,0,0,0,0},
29  {0,0,0,0,0,0,0,0},
30  {0,0,0,0,0,0,0,0},
31  {0,0,0,0,0,0,0,0}
32};
33
34int  Move_up [8] [8] {
35  {0,0,0,0,0,0,0,0},
36  {1,1,1,0,1,0,1,1},
37  {1,1,1,1,0,0,0,1},
38  {0,1,1,1,0,0,0,0},
39  {1,0,1,1,0,1,1,1},
40  {1,1,0,0,0,1,1,1},
41  {1,0,0,0,0,1,0,1},
42  {0,0,1,0,0,0,0,1}
43};
44
45int Move_down [8] [8] {
46  {1,1,1,0,1,0,1,1},
47  {1,1,1,1,0,0,0,1},
48  {0,1,1,1,0,0,0,0},
49  {1,0,1,1,0,1,1,1},
50  {1,1,0,0,0,1,1,1},
51  {1,0,0,0,0,1,1,1},
52  {0,0,1,0,0,0,0,1},
53  {0,0,0,0,0,0,0,0}
54};
55
56int  Move_left [8] [8] {
57  {0,1,0,0,1,1,0,1},
58  {0,0,0,0,1,1,1,0},
59  {0,0,1,0,0,1,1,1},
60  {0,1,0,0,1,1,0,1},
61  {0,0,1,0,1,0,0,0},
62  {0,0,1,1,1,0,0,0},
63  {0,1,1,1,1,1,1,1},
64  {0,1,1,1,1,1,1,0}
65};
66
67int Move_right [8] [8] {
68  {1,0,0,1,1,0,1,0},
69  {0,0,0,1,1,1,0,1},
70  {0,1,0,0,1,1,1,0},
71  {1,0,0,1,1,0,1,0},
72  {0,1,0,1,0,0,0,0},
73  {0,1,1,1,0,0,0,0},
74  {1,1,1,1,1,1,1,0},
75  {1,1,1,1,1,1,0,0}
76};
77
78void  setup() {
79 
80   attachInterrupt(0,Change_direction, RISING);
81   attachInterrupt(1,Move_in_the_maze,  RISING);
82   
83   pinMode(UP_LED, OUTPUT);
84   pinMode(DOWN_LED, OUTPUT);
85   pinMode(RIGHT_LED, OUTPUT);
86   pinMode(LEFT_LED, OUTPUT);
87   pinMode(A0,  OUTPUT);
88   pinMode(A1, OUTPUT);
89   
90   lc.shutdown(0,false);
91   lc.setIntensity(0,3);
92   lc.clearDisplay(0);
93   
94   digitalWrite(UP_LED, HIGH);
95   digitalWrite(DOWN_LED,  LOW);
96   digitalWrite(RIGHT_LED, LOW);
97   digitalWrite(LEFT_LED, LOW);
98   digitalWrite(A0, LOW);
99   digitalWrite(A1, LOW);
100   
101   Serial.begin(9600);
102   Timestamp_Button_Pressed=millis();
103}
104
105
106
107void Change_direction()  {
108if (millis() - Timestamp_Button_Pressed>200){
109  Direction= Direction+1;
110  if (Direction==5) Direction=1;
111    if (Direction==1) {
112      digitalWrite(UP_LED,  HIGH);
113      digitalWrite(DOWN_LED, LOW);
114      digitalWrite(RIGHT_LED, LOW);
115      digitalWrite(LEFT_LED, LOW);
116    }
117     if (Direction==2) {
118      digitalWrite(UP_LED,  LOW);
119      digitalWrite(DOWN_LED, LOW);
120      digitalWrite(RIGHT_LED, HIGH);
121      digitalWrite(LEFT_LED, LOW);
122    }
123    if (Direction==3) {
124      digitalWrite(UP_LED,  LOW);
125      digitalWrite(DOWN_LED, HIGH);
126      digitalWrite(RIGHT_LED, LOW);
127      digitalWrite(LEFT_LED, LOW);
128    }
129    if (Direction==4) {
130      digitalWrite(UP_LED,  LOW);
131      digitalWrite(DOWN_LED, LOW);
132      digitalWrite(RIGHT_LED, LOW);
133      digitalWrite(LEFT_LED, HIGH);
134    }
135  }
136}
137
138
139void Move_in_the_maze(){
140if  (millis() - Timestamp_Button_Pressed>200){
141  // Attempt to move up
142  if (Direction==1  ){ 
143    if(Move_up[cursor_row][cursor_col]==1){ // Can we move up?
144      if(CurrentState[cursor_row-1][cursor_col]==1){  
145        CurrentState[cursor_row][cursor_col]=0;
146      }
147      cursor_row=cursor_row-1;
148    }  
149  }
150 
151  // Attempt to move right
152  if (Direction==2 ){ 
153    if(Move_right[cursor_row][cursor_col]==1){ // Can we move right?
154      if(CurrentState[cursor_row][cursor_col+1]==1  and cursor_col!=7)
155        CurrentState[cursor_row][cursor_col]=0;
156      cursor_col=cursor_col+1;
157    }
158 }
159   // Attempt to move down
160  if (Direction==3 ){ 
161    if(Move_down[cursor_row][cursor_col]==1){  // Can we move down?
162      if(CurrentState[cursor_row+1][cursor_col]==1)
163        CurrentState[cursor_row][cursor_col]=0;
164      cursor_row=cursor_row+1;
165    }
166  }
167 // Attempt to move left
168  if (Direction==4 ){ 
169    if(Move_left[cursor_row][cursor_col]==1){  // Can we move left?
170      if(CurrentState[cursor_row][cursor_col-1]==1)
171        CurrentState[cursor_row][cursor_col]=0;
172      cursor_col=cursor_col-1;
173    }
174  }
175  CurrentState[cursor_row][cursor_col]=1;
176  Serial.println(cursor_col);
177}  
178}
179void loop() {
180 for(int i=0;i<8;i++){ 
181  lc.setRow(0,i,CurrentState[i][7]+
182                CurrentState[i][6]*2+
183                CurrentState[i][5]*4+
184                CurrentState[i][4]*8+
185                CurrentState[i][3]*16+
186                CurrentState[i][2]*32+
187                CurrentState[i][1]*64+
188                CurrentState[i][0]*128);
189 }
190 if (cursor_col==8){
191    digitalWrite(A0,HIGH);
192    digitalWrite(A1,HIGH);
193  }
194
195}