AJ Keller
111 linhas
3.6 KiB
Arduino
111 linhas
3.6 KiB
Arduino
// Contributed example by Irene Vigue Guix (@viguix)
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#include <DSPI.h>
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#include <OBCI32_SD.h>
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#include <EEPROM.h>
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#include <OpenBCI_32bit_Library.h>
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#include <OpenBCI_32bit_Library_Definitions.h>
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// Booleans Required for SD_Card_Stuff.ino
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boolean addAccelToSD = false; // On writeDataToSDcard() call adds Accel data to SD card write
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boolean addAuxToSD = false; // On writeDataToSDCard() call adds Aux data to SD card write
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boolean SDfileOpen = false; // Set true by SD_Card_Stuff.ino on successful file open
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// 2 Button External Trigger Code
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// --------------------------------------------------------
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// << EXTERNAL TRIGGER FROM RIGHT AND LEFT PUSHBUTTON >>
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int leftButton = 17; // left button
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int rightButton = 18; // right button
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int leftButtonValue; // used to hold the latest button reading
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int rightButtonValue;
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int lastLeftButtonValue; // used to remember the last button state
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int lastRightButtonValue;
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// --------------------------------------------------------
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void setup() {
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// Bring up the OpenBCI Board
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board.begin();
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// Notify the board we don't want to use accel data and use aux
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board.useAccel(false);
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// Configure two external triggers
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pinMode(leftButton, INPUT); // set the button pin direction
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pinMode(rightButton, INPUT);
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leftButtonValue = lastLeftButtonValue = digitalRead(leftButton); // seed
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rightButtonValue = lastRightButtonValue = digitalRead(rightButton); // seed
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}
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void loop() {
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if (board.streaming) {
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if (board.channelDataAvailable) {
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// Read from the ADS(s), store data, set channelDataAvailable flag to false
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board.updateChannelData();
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// Read the left button value
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leftButtonValue = digitalRead(leftButton);
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if (leftButtonValue != lastLeftButtonValue) { // if it's changed,
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if (leftButtonValue == HIGH){ // if it's gone from LOW to HIGH
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// 0x6220 converts to PI in GUI
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board.auxData[0] = 0x6220;
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addAuxToSD = true; // add Aux Data to the SD card if it's there
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}
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lastLeftButtonValue = leftButtonValue; // keep track of the changes
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}
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// Read the right button value
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rightButtonValue = digitalRead(rightButton);
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if (rightButtonValue != lastRightButtonValue){ // if it's changed,
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if (rightButtonValue == HIGH){ // if it's gone from LOW to HIGH
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// 0x6220 converts to PI in GUI
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board.auxData[1] = 0x6220;
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addAuxToSD = true; // add Aux Data to the SD card if it's there
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}
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lastRightButtonValue = rightButtonValue; // keep track of the changes
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}
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// Verify the SD file is open
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if(SDfileOpen) {
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// Write to the SD card, writes aux data
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writeDataToSDcard(board.sampleCounter);
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}
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// Send standard packet with channel data and aux data
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// includes aux data because we set told the board to add it
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board.sendChannelData();
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}
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}
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// Check the serial port for new data
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if (board.hasDataSerial0()) {
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// Read one char from the serial port
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char newChar = board.getCharSerial0();
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// Send to the sd library for processing
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sdProcessChar(newChar);
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// Send to the board library
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board.processChar(newChar);
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// Custom commands for motor imagery tagging
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switch (newChar) {
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case 'f':
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board.auxData[2] = 1;
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break;
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case 'g':
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board.auxData[2] = 2;
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break;
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case 'k':
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board.auxData[2] = 3;
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break;
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case 'l':
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board.auxData[2] = 4;
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break;
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}
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}
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// Used to abort multi part messages
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if (board.isProcessingMultibyteMsg()) {
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board.tryMultiAbort();
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}
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}
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