[1891404] | 1 | //////////////////////////////////////////////////////////////////////// |
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| 2 | // Arduino Bluetooth Interface with Mindwave |
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| 3 | // |
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| 4 | // This is example code provided by NeuroSky, Inc. and is provided |
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| 5 | // license free. |
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| 6 | //////////////////////////////////////////////////////////////////////// |
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| 7 | |
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| 8 | #define LED 13 |
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| 9 | #define BAUDRATE 115200 |
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| 10 | #define DEBUGOUTPUT 0 |
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| 11 | #define BLUESMIRFON 2 |
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| 12 | |
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| 13 | #define GREENLED1 3 |
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| 14 | #define GREENLED2 4 |
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| 15 | #define GREENLED3 5 |
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| 16 | #define YELLOWLED1 6 |
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| 17 | #define YELLOWLED2 7 |
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| 18 | #define YELLOWLED3 8 |
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| 19 | #define YELLOWLED4 9 |
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| 20 | #define REDLED1 10 |
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| 21 | #define REDLED2 11 |
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| 22 | #define REDLED3 12 |
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| 23 | |
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| 24 | // checksum variables |
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| 25 | byte generatedChecksum = 0; |
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| 26 | byte checksum = 0; |
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| 27 | int payloadLength = 0; |
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| 28 | byte payloadData[64] = { |
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| 29 | 0}; |
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| 30 | byte poorQuality = 0; |
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| 31 | byte attention = 0; |
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| 32 | byte meditation = 0; |
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| 33 | |
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| 34 | // system variables |
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| 35 | long lastReceivedPacket = 0; |
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| 36 | boolean bigPacket = false; |
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| 37 | |
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| 38 | ////////////////////////// |
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| 39 | // Microprocessor Setup // |
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| 40 | ////////////////////////// |
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| 41 | void setup() { |
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| 42 | |
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| 43 | pinMode(GREENLED1, OUTPUT); |
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| 44 | pinMode(GREENLED2, OUTPUT); |
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| 45 | pinMode(GREENLED3, OUTPUT); |
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| 46 | pinMode(YELLOWLED1, OUTPUT); |
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| 47 | pinMode(YELLOWLED2, OUTPUT); |
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| 48 | pinMode(YELLOWLED3, OUTPUT); |
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| 49 | pinMode(YELLOWLED4, OUTPUT); |
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| 50 | pinMode(REDLED1, OUTPUT); |
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| 51 | pinMode(REDLED2, OUTPUT); |
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| 52 | pinMode(REDLED3, OUTPUT); |
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| 53 | |
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| 54 | pinMode(LED, OUTPUT); |
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| 55 | pinMode(BLUESMIRFON, OUTPUT); |
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| 56 | digitalWrite(BLUESMIRFON, HIGH); |
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| 57 | Serial.begin(BAUDRATE); // USB |
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| 58 | |
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| 59 | delay(3000) ; |
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| 60 | Serial.print(194,BYTE) ; |
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| 61 | |
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| 62 | |
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| 63 | |
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| 64 | } |
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| 65 | |
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| 66 | //////////////////////////////// |
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| 67 | // Read data from Serial UART // |
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| 68 | //////////////////////////////// |
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| 69 | byte ReadOneByte() { |
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| 70 | int ByteRead; |
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| 71 | |
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| 72 | while(!Serial.available()); |
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| 73 | ByteRead = Serial.read(); |
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| 74 | |
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| 75 | #if DEBUGOUTPUT |
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| 76 | Serial.print((char)ByteRead); // echo the same byte out the USB serial (for debug purposes) |
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| 77 | #endif |
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| 78 | |
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| 79 | return ByteRead; |
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| 80 | } |
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| 81 | |
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| 82 | ///////////// |
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| 83 | //MAIN LOOP// |
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| 84 | ///////////// |
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| 85 | void loop() { |
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| 86 | |
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| 87 | |
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| 88 | // Look for sync bytes |
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| 89 | if(ReadOneByte() == 170) { |
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| 90 | if(ReadOneByte() == 170) { |
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| 91 | |
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| 92 | payloadLength = ReadOneByte(); |
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| 93 | if(payloadLength > 169) //Payload length can not be greater than 169 |
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| 94 | return; |
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| 95 | |
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| 96 | generatedChecksum = 0; |
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| 97 | for(int i = 0; i < payloadLength; i++) { |
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| 98 | payloadData[i] = ReadOneByte(); //Read payload into memory |
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| 99 | generatedChecksum += payloadData[i]; |
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| 100 | } |
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| 101 | |
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| 102 | checksum = ReadOneByte(); //Read checksum byte from stream |
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| 103 | generatedChecksum = 255 - generatedChecksum; //Take one's compliment of generated checksum |
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| 104 | |
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| 105 | if(checksum == generatedChecksum) { |
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| 106 | |
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| 107 | poorQuality = 200; |
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| 108 | attention = 0; |
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| 109 | meditation = 0; |
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| 110 | |
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| 111 | for(int i = 0; i < payloadLength; i++) { // Parse the payload |
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| 112 | switch (payloadData[i]) { |
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| 113 | case 2: |
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| 114 | i++; |
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| 115 | poorQuality = payloadData[i]; |
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| 116 | bigPacket = true; |
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| 117 | break; |
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| 118 | case 4: |
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| 119 | i++; |
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| 120 | attention = payloadData[i]; |
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| 121 | break; |
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| 122 | case 5: |
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| 123 | i++; |
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| 124 | meditation = payloadData[i]; |
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| 125 | break; |
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| 126 | case 0x80: |
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| 127 | i = i + 3; |
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| 128 | break; |
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| 129 | case 0x83: |
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| 130 | i = i + 25; |
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| 131 | break; |
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| 132 | default: |
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| 133 | break; |
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| 134 | } // switch |
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| 135 | } // for loop |
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| 136 | |
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| 137 | #if !DEBUGOUTPUT |
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| 138 | |
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| 139 | // *** Add your code here *** |
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| 140 | |
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| 141 | if(bigPacket) { |
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| 142 | if(poorQuality == 0) |
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| 143 | digitalWrite(LED, HIGH); |
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| 144 | else |
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| 145 | digitalWrite(LED, LOW); |
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| 146 | Serial.print("PoorQuality: "); |
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| 147 | Serial.print(poorQuality, DEC); |
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| 148 | Serial.print(" Attention: "); |
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| 149 | Serial.print(attention, DEC); |
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| 150 | if(attention > 40) |
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| 151 | digitalWrite(GREENLED1, HIGH); |
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| 152 | else |
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| 153 | digitalWrite(GREENLED1, LOW); |
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| 154 | |
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| 155 | Serial.print(" Time since last packet: "); |
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| 156 | Serial.print(millis() - lastReceivedPacket, DEC); |
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| 157 | lastReceivedPacket = millis(); |
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| 158 | Serial.print("\n"); |
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| 159 | |
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| 160 | switch(attention / 10) { |
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| 161 | case 0: |
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| 162 | digitalWrite(GREENLED1, HIGH); |
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| 163 | digitalWrite(GREENLED2, LOW); |
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| 164 | digitalWrite(GREENLED3, LOW); |
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| 165 | digitalWrite(YELLOWLED1, LOW); |
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| 166 | digitalWrite(YELLOWLED2, LOW); |
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| 167 | digitalWrite(YELLOWLED3, LOW); |
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| 168 | digitalWrite(YELLOWLED4, LOW); |
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| 169 | digitalWrite(REDLED1, LOW); |
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| 170 | digitalWrite(REDLED2, LOW); |
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| 171 | digitalWrite(REDLED3, LOW); |
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| 172 | break; |
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| 173 | case 1: |
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| 174 | digitalWrite(GREENLED1, HIGH); |
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| 175 | digitalWrite(GREENLED2, HIGH); |
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| 176 | digitalWrite(GREENLED3, LOW); |
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| 177 | digitalWrite(YELLOWLED1, LOW); |
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| 178 | digitalWrite(YELLOWLED2, LOW); |
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| 179 | digitalWrite(YELLOWLED3, LOW); |
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| 180 | digitalWrite(YELLOWLED4, LOW); |
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| 181 | digitalWrite(REDLED1, LOW); |
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| 182 | digitalWrite(REDLED2, LOW); |
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| 183 | digitalWrite(REDLED3, LOW); |
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| 184 | break; |
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| 185 | case 2: |
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| 186 | digitalWrite(GREENLED1, HIGH); |
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| 187 | digitalWrite(GREENLED2, HIGH); |
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| 188 | digitalWrite(GREENLED3, HIGH); |
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| 189 | digitalWrite(YELLOWLED1, LOW); |
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| 190 | digitalWrite(YELLOWLED2, LOW); |
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| 191 | digitalWrite(YELLOWLED3, LOW); |
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| 192 | digitalWrite(YELLOWLED4, LOW); |
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| 193 | digitalWrite(REDLED1, LOW); |
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| 194 | digitalWrite(REDLED2, LOW); |
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| 195 | digitalWrite(REDLED3, LOW); |
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| 196 | break; |
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| 197 | case 3: |
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| 198 | digitalWrite(GREENLED1, HIGH); |
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| 199 | digitalWrite(GREENLED2, HIGH); |
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| 200 | digitalWrite(GREENLED3, HIGH); |
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| 201 | digitalWrite(YELLOWLED1, HIGH); |
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| 202 | digitalWrite(YELLOWLED2, LOW); |
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| 203 | digitalWrite(YELLOWLED3, LOW); |
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| 204 | digitalWrite(YELLOWLED4, LOW); |
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| 205 | digitalWrite(REDLED1, LOW); |
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| 206 | digitalWrite(REDLED2, LOW); |
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| 207 | digitalWrite(REDLED3, LOW); |
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| 208 | break; |
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| 209 | case 4: |
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| 210 | digitalWrite(GREENLED1, HIGH); |
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| 211 | digitalWrite(GREENLED2, HIGH); |
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| 212 | digitalWrite(GREENLED3, HIGH); |
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| 213 | digitalWrite(YELLOWLED1, HIGH); |
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| 214 | digitalWrite(YELLOWLED2, HIGH); |
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| 215 | digitalWrite(YELLOWLED3, LOW); |
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| 216 | digitalWrite(YELLOWLED4, LOW); |
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| 217 | digitalWrite(REDLED1, LOW); |
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| 218 | digitalWrite(REDLED2, LOW); |
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| 219 | digitalWrite(REDLED3, LOW); |
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| 220 | break; |
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| 221 | case 5: |
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| 222 | digitalWrite(GREENLED1, HIGH); |
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| 223 | digitalWrite(GREENLED2, HIGH); |
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| 224 | digitalWrite(GREENLED3, HIGH); |
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| 225 | digitalWrite(YELLOWLED1, HIGH); |
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| 226 | digitalWrite(YELLOWLED2, HIGH); |
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| 227 | digitalWrite(YELLOWLED3, HIGH); |
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| 228 | digitalWrite(YELLOWLED4, LOW); |
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| 229 | digitalWrite(REDLED1, LOW); |
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| 230 | digitalWrite(REDLED2, LOW); |
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| 231 | digitalWrite(REDLED3, LOW); |
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| 232 | break; |
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| 233 | case 6: |
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| 234 | digitalWrite(GREENLED1, HIGH); |
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| 235 | digitalWrite(GREENLED2, HIGH); |
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| 236 | digitalWrite(GREENLED3, HIGH); |
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| 237 | digitalWrite(YELLOWLED1, HIGH); |
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| 238 | digitalWrite(YELLOWLED2, HIGH); |
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| 239 | digitalWrite(YELLOWLED3, HIGH); |
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| 240 | digitalWrite(YELLOWLED4, HIGH); |
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| 241 | digitalWrite(REDLED1, LOW); |
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| 242 | digitalWrite(REDLED2, LOW); |
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| 243 | digitalWrite(REDLED3, LOW); |
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| 244 | break; |
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| 245 | case 7: |
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| 246 | digitalWrite(GREENLED1, HIGH); |
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| 247 | digitalWrite(GREENLED2, HIGH); |
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| 248 | digitalWrite(GREENLED3, HIGH); |
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| 249 | digitalWrite(YELLOWLED1, HIGH); |
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| 250 | digitalWrite(YELLOWLED2, HIGH); |
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| 251 | digitalWrite(YELLOWLED3, HIGH); |
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| 252 | digitalWrite(YELLOWLED4, HIGH); |
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| 253 | digitalWrite(REDLED1, HIGH); |
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| 254 | digitalWrite(REDLED2, LOW); |
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| 255 | digitalWrite(REDLED3, LOW); |
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| 256 | break; |
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| 257 | case 8: |
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| 258 | digitalWrite(GREENLED1, HIGH); |
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| 259 | digitalWrite(GREENLED2, HIGH); |
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| 260 | digitalWrite(GREENLED3, HIGH); |
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| 261 | digitalWrite(YELLOWLED1, HIGH); |
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| 262 | digitalWrite(YELLOWLED2, HIGH); |
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| 263 | digitalWrite(YELLOWLED3, HIGH); |
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| 264 | digitalWrite(YELLOWLED4, HIGH); |
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| 265 | digitalWrite(REDLED1, HIGH); |
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| 266 | digitalWrite(REDLED2, HIGH); |
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| 267 | digitalWrite(REDLED3, LOW); |
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| 268 | break; |
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| 269 | case 9: |
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| 270 | digitalWrite(GREENLED1, HIGH); |
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| 271 | digitalWrite(GREENLED2, HIGH); |
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| 272 | digitalWrite(GREENLED3, HIGH); |
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| 273 | digitalWrite(YELLOWLED1, HIGH); |
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| 274 | digitalWrite(YELLOWLED2, HIGH); |
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| 275 | digitalWrite(YELLOWLED3, HIGH); |
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| 276 | digitalWrite(YELLOWLED4, HIGH); |
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| 277 | digitalWrite(REDLED1, HIGH); |
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| 278 | digitalWrite(REDLED2, HIGH); |
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| 279 | digitalWrite(REDLED3, HIGH); |
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| 280 | break; |
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| 281 | case 10: |
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| 282 | digitalWrite(GREENLED1, HIGH); |
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| 283 | digitalWrite(GREENLED2, HIGH); |
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| 284 | digitalWrite(GREENLED3, HIGH); |
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| 285 | digitalWrite(YELLOWLED1, HIGH); |
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| 286 | digitalWrite(YELLOWLED2, HIGH); |
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| 287 | digitalWrite(YELLOWLED3, HIGH); |
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| 288 | digitalWrite(YELLOWLED4, HIGH); |
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| 289 | digitalWrite(REDLED1, HIGH); |
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| 290 | digitalWrite(REDLED2, HIGH); |
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| 291 | digitalWrite(REDLED3, HIGH); |
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| 292 | break; |
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| 293 | } |
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| 294 | } |
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| 295 | #endif |
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| 296 | bigPacket = false; |
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| 297 | } |
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| 298 | else { |
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| 299 | // Checksum Error |
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| 300 | } // end if else for checksum |
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| 301 | } // end if read 0xAA byte |
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| 302 | } // end if read 0xAA byte |
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| 303 | } |
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