141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
/***************************************************************
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* *
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* Taiko Sanro - Arduino *
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* Support Arduino models with ATmega32u4 microprocessors *
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* *
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* Shiky Chang *
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* zhangxunpx@gmail.com *
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* *
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***************************************************************/
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#define MODE_JIRO 1
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#define MODE_DEBUG 1
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#define CHANNELS 4
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#define SAMPLE_CACHE_LENGTH 50
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#define POWER_CACHE_LENGTH 3
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#define LIGHT_THRES 0
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#define HEAVY_THRES 70000
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#include <Keyboard.h>
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#include "cache.h"
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int channelSample [CHANNELS];
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int lastChannelSample [CHANNELS];
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Cache <int, SAMPLE_CACHE_LENGTH> sampleCache [CHANNELS];
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long int power [CHANNELS];
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Cache <long int, POWER_CACHE_LENGTH> powerCache [CHANNELS];
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bool triggered [CHANNELS];
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#if MODE_DEBUG
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long int lastTime;
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#endif
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void setup() {
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Serial.begin (9600);
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Keyboard.begin ();
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analogReference (DEFAULT);
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for (short int i = 0; i < CHANNELS; i++) {
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power [i] = 0;
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lastChannelSample [i] = 0;
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triggered [i] = false;
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}
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#if MODE_DEBUG
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lastTime = 0;
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#endif
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}
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void loop() {
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channelSample[0] = analogRead (A0); // L don
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channelSample[1] = analogRead (A1); // R don
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channelSample[2] = analogRead (A2); // L kat
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channelSample[3] = analogRead (A3); // R kat
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#if MODE_DEBUG
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Serial.print (micros () - lastTime);
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lastTime = micros ();
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Serial.print ("\t");
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#endif
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for (short int i = 0; i < CHANNELS; i++) {
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sampleCache [i].put (channelSample [i] - lastChannelSample [i]);
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long int tempInt;
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tempInt = sampleCache [i].get (1);
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power [i] -= tempInt * tempInt;
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tempInt = sampleCache [i].get ();
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power [i] += tempInt * tempInt;
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if (power [i] < LIGHT_THRES) {
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power [i] = 0;
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}
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powerCache [i].put (power [i]);
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lastChannelSample [i] = channelSample [i];
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for (short int j = 0; j < POWER_CACHE_LENGTH - 1; j++){
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if (powerCache [i].get (j) == 0) {
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triggered [i] = false;
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}
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if (!triggered [i]) {
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if (powerCache [i].get (j + 1) >= powerCache [i].get (j) || j != POWER_CACHE_LENGTH - 2) {
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break;
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} else {
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#if MODE_JIRO
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if (power [i] >= LIGHT_THRES) {
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triggered [i] = true;
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switch (i) {
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case 0: Keyboard.print ('g'); break;
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case 1: Keyboard.print ('h'); break;
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case 2: Keyboard.print ('f'); break;
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case 3: Keyboard.print ('j'); break;
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}
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}
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#else
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if (power [i] >= HEAVY_THRES) {
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triggered [i] = true;
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switch (i) {
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case 0: Keyboard.print ('t'); break;
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case 1: Keyboard.print ('y'); break;
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case 2: Keyboard.print ('r'); break;
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case 3: Keyboard.print ('u'); break;
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}
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} else if (power [i] >= LIGHT_THRES) {
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triggered [i] = true;
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switch (i) {
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case 0: Keyboard.print ('g'); break;
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case 1: Keyboard.print ('h'); break;
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case 2: Keyboard.print ('f'); break;
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case 3: Keyboard.print ('j'); break;
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}
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}
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#endif
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}
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}
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}
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#if MODE_DEBUG
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Serial.print (power [i]);
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Serial.print ("\t");
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#endif
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// End of each channel
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}
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#if MODE_DEBUG
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Serial.print (micros () - lastTime);
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lastTime = micros ();
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Serial.println ("");
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#endif
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}
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