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https://github.com/ShikyC/Taiko-Drum-Controller-Arduino.git
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New design init
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ShikyC
parent
49c3ee02aa
commit
3aa41ca472
245
sanro/sanro.ino
245
sanro/sanro.ino
@ -1,126 +1,119 @@
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/***************************************************************
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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 Chris *
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* zhangxunpx@gmail.com wisaly@gmail.com *
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* *
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***************************************************************/
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// Compatibility with Taiko Jiro
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#define MODE_JIRO 1
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#define MODE_DEBUG 0
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#define CHANNELS 4
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// Caches for the soundwave and power
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#define SAMPLE_CACHE_LENGTH 12
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#define POWER_CACHE_LENGTH 3
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// Light and heacy hit thresholds
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#define LIGHT_THRES 5000
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#define HEAVY_THRES 20000
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// Forced sampling frequency
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#define FORCED_FREQ 1000
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#include <limits.h>
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#include <Keyboard.h>
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#include "cache.h"
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#if MODE_JIRO
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#define HEAVY_THRES LONG_MAX
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#endif
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unsigned long int lastTime;
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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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int pins[] = {A0, A1, A2, A3}; // L don, R don, L kat, R kat
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char lightKeys[] = {'g', 'h', 'f', 'j'};
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char heavyKeys[] = {'t', 'y', 'r', 'u'};
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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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lastTime = 0;
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}
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void loop() {
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for (short int i = 0; i < CHANNELS; i++) {
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channelSample[i] = analogRead (pins [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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if (powerCache [i].get (1) == 0) {
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triggered [i] = false;
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}
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if (!triggered [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 - 1) >= powerCache [i].get (j)) {
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break;
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} else if (powerCache [i].get (1) >= HEAVY_THRES) {
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triggered [i] = true;
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Keyboard.print (heavyKeys [i]);
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} else if (powerCache [i].get (1) >= LIGHT_THRES) {
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triggered [i] = true;
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Keyboard.print (lightKeys [i]);
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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 (50000);
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Serial.print ("\t");
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Serial.print (0);
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Serial.print ("\t");
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Serial.println ("");
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#endif
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// Force the sample frequency to be less than 1000Hz
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unsigned int frameTime = micros () - lastTime;
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lastTime = micros ();
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if (frameTime < FORCED_FREQ) {
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delayMicroseconds (FORCED_FREQ - frameTime);
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} else {
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// Performance bottleneck;
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Serial.print ("Exception: forced frequency is too high for the microprocessor to catch up.");
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}
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}
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/***************************************************************
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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 Chris *
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* zhangxunpx@gmail.com wisaly@gmail.com *
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* *
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***************************************************************/
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// New implementation using fast, stable and sensitive piezoelectric
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// ceramic sensors (the same sensors used in electirc drum kit).
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// No longer need microphones.
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#define MODE_DEBUG 0
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#define CHANNELS 2
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// Caches for the soundwave and power
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#define SAMPLE_CACHE_LENGTH 12
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#define POWER_CACHE_LENGTH 3
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// Light and heacy hit thresholds
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#define LIGHT_THRES 5000
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#define HEAVY_THRES 20000
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// Forced sampling frequency
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#define FORCED_FREQ 1000
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#include "cache.h"
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unsigned long int lastTime;
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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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int pins[] = {A0, A1}; // Don, Kat
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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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lastTime = 0;
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}
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void loop() {
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for (short int i = 0; i < CHANNELS; i++) {
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channelSample[i] = analogRead (pins [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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if (powerCache [i].get (1) == 0) {
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triggered [i] = false;
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}
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if (!triggered [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 - 1) >= powerCache [i].get (j)) {
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break;
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} else if (powerCache [i].get (1) >= HEAVY_THRES) {
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triggered [i] = true;
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Keyboard.print (heavyKeys [i]);
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} else if (powerCache [i].get (1) >= LIGHT_THRES) {
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triggered [i] = true;
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Keyboard.print (lightKeys [i]);
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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 (50000);
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Serial.print ("\t");
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Serial.print (0);
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Serial.print ("\t");
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Serial.println ("");
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#endif
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// Force the sample frequency to be less than 1000Hz
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unsigned int frameTime = micros () - lastTime;
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lastTime = micros ();
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if (frameTime < FORCED_FREQ) {
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delayMicroseconds (FORCED_FREQ - frameTime);
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} else {
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// Performance bottleneck;
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Serial.print ("Exception: forced frequency is too high for the microprocessor to catch up.");
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}
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}
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