testing things ... I don't know, don't remember
This commit is contained in:
+129
-20
@@ -15,7 +15,6 @@ int muxSelector[TOTAL_LINES]{18, 14, 15, 16};
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// Multiplexer m(muxSignal, TOTAL_LINES, muxSelector);
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AnalogMultiplex multiplexer(A1, {18, 14, 15, 16});
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/* Midi links */
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//USBDebugMIDI_Interface midiInterface(115200);
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@@ -23,48 +22,158 @@ Analog potentiometers[] = {
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{multiplexer.pin(0), MIDI_CC::Channel_Volume, 1},
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{multiplexer.pin(1), MIDI_CC::Channel_Volume, 2},
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{multiplexer.pin(2), MIDI_CC::Channel_Volume, 3},
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{multiplexer.pin(3), MIDI_CC::Channel_Volume, 4}
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{multiplexer.pin(3), MIDI_CC::Channel_Volume, 4},
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{multiplexer.pin(4), MIDI_CC::Channel_Volume, 5},
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{multiplexer.pin(5), MIDI_CC::Channel_Volume, 6},
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{multiplexer.pin(6), MIDI_CC::Channel_Volume, 7},
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{multiplexer.pin(7), MIDI_CC::Channel_Volume, 8}
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};
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/* Values */
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int val[16];
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int ref[16];
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uint8_t readCapacitivePin(int pinToMeasure);
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void setup() {
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//Serial.begin(9600);
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/*while (Serial.available() == 0){
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Serial.begin(115200);
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while (Serial.available() == 0){
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delay(.5 s);
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}*/
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}
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// for (size_t i = 0; i < 4; i++) {
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// ref[i] = m.analogRead(i);
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// ref[i] = multiplexer.analogRead(i);
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// }
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ref[8] = readCapacitivePin(2);
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pinMode(0, OUTPUT);
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pinMode(1, OUTPUT);
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}
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void loop() {
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for (size_t i = 0; i < 4; i++) {
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val[i] = multiplexer.analogRead(i);
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if (val[i] != ref[i]) {
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// Serial.print("p[");
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// Serial.print(i, DEC);
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// Serial.print("] = ");
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// Serial.println(val[i], DEC);
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ref[i] = val[i];
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long loopAverage = 0;
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long lastLoop = 0;
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bool on = false;
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void loop() {
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// long start = millis();
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// for (size_t i = 0; i < 4; i++) {
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// val[i] = multiplexer.analogRead(i);
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// if (val[i] != ref[i]) {
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// Serial.print("p[");
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// Serial.print(i, DEC);
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// Serial.print("] = ");
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// Serial.println(val[i], DEC);
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// ref[i] = val[i];
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//
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// }
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// }
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val[8] = readCapacitivePin(2);
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if (abs(val[8] - ref[8]) >= 2) {
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if (val[8] > ref[8]) {
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// Serial.print("loop() time : ");
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// Serial.println(lastLoop, DEC);
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// Serial.print("average : ");
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// Serial.println(loopAverage, DEC);
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Serial.println(val[8], DEC);
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}
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ref[8] = val[8];
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}
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// if (val[0] >= 500) {
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// digitalWrite(0, HIGH);
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// } else {
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// digitalWrite(0, LOW);
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// }
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if (val[2] >= 500) {
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digitalWrite(0, HIGH);
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} else {
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digitalWrite(0, LOW);
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}
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if (val[0] >= 500) {
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digitalWrite(1, HIGH);
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} else {
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digitalWrite(1, LOW);
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}
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MIDI_Controller.refresh();
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// lastLoop = millis() - start;
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// loopAverage = (loopAverage + lastLoop) / 2;
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//delay(.5 s);
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}
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uint8_t readCapacitivePin(int pinToMeasure) {
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// Variables used to translate from Arduino to AVR pin naming
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volatile uint8_t* port;
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volatile uint8_t* ddr;
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volatile uint8_t* pin;
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// Here we translate the input pin number from
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// Arduino pin number to the AVR PORT, PIN, DDR,
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// and which bit of those registers we care about.
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byte bitmask;
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port = portOutputRegister(digitalPinToPort(pinToMeasure));
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ddr = portModeRegister(digitalPinToPort(pinToMeasure));
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bitmask = digitalPinToBitMask(pinToMeasure);
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pin = portInputRegister(digitalPinToPort(pinToMeasure));
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// Discharge the pin first by setting it low and output
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*port &= ~(bitmask);
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*ddr |= bitmask;
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delay(1);
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uint8_t SREG_old = SREG; //back up the AVR Status Register
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// Prevent the timer IRQ from disturbing our measurement
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noInterrupts();
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// Make the pin an input with the internal pull-up on
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*ddr &= ~(bitmask);
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*port |= bitmask;
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// Now see how long the pin to get pulled up. This manual unrolling of the loop
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// decreases the number of hardware cycles between each read of the pin,
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// thus increasing sensitivity.
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uint8_t cycles = 17;
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if (*pin & bitmask) {
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cycles = 0;
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} else if (*pin & bitmask) {
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cycles = 1;
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} else if (*pin & bitmask) {
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cycles = 2;
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} else if (*pin & bitmask) {
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cycles = 3;
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} else if (*pin & bitmask) {
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cycles = 4;
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} else if (*pin & bitmask) {
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cycles = 5;
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} else if (*pin & bitmask) {
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cycles = 6;
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} else if (*pin & bitmask) {
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cycles = 7;
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} else if (*pin & bitmask) {
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cycles = 8;
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} else if (*pin & bitmask) {
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cycles = 9;
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} else if (*pin & bitmask) {
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cycles = 10;
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} else if (*pin & bitmask) {
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cycles = 11;
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} else if (*pin & bitmask) {
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cycles = 12;
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} else if (*pin & bitmask) {
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cycles = 13;
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} else if (*pin & bitmask) {
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cycles = 14;
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} else if (*pin & bitmask) {
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cycles = 15;
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} else if (*pin & bitmask) {
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cycles = 16;
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}
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// End of timing-critical section; turn interrupts back on if they were on before, or leave them off if they were off before
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SREG = SREG_old;
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// Discharge the pin again by setting it low and output
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// It's important to leave the pins low if you want to
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// be able to touch more than 1 sensor at a time - if
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// the sensor is left pulled high, when you touch
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// two sensors, your body will transfer the charge between
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// sensors.
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*port &= ~(bitmask);
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*ddr |= bitmask;
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return cycles;
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}
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