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August 27, 2022 06:39
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// XIAO-RP2040-CHICKEN example | |
// 2022 @tadfmac | |
/* | |
D0 : MIC (ADC) | |
D1 : VIB Sensor (DI) | |
*/ | |
#include <Arduino.h> | |
#include <Adafruit_TinyUSB.h> | |
#include <Adafruit_NeoPixel.h> | |
#include <MIDI.h> | |
Adafruit_USBD_MIDI usb_midi; | |
MIDI_CREATE_INSTANCE(Adafruit_USBD_MIDI, usb_midi, MIDI); | |
#define LED_POWER 11 | |
#define LED_PIN 12 // NeoPixel | |
Adafruit_NeoPixel pixels(1, LED_PIN); | |
uint32_t colors1[] = { | |
pixels.Color(255, 0, 0), | |
pixels.Color(255, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 255), | |
pixels.Color(0, 0, 255), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(255, 0, 0), | |
pixels.Color(255, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 255), | |
pixels.Color(0, 0, 255), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0) | |
}; | |
const uint8_t COLORS1_LEN = (uint8_t)(sizeof(colors1) / sizeof(colors1[0])); | |
uint32_t colors2[] = { | |
pixels.Color(0, 255, 0), | |
pixels.Color(0, 255, 0), | |
pixels.Color(128, 255, 0), | |
pixels.Color(128, 255, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0), | |
pixels.Color(0, 0, 0) | |
}; | |
const uint8_t COLORS2_LEN = (uint8_t)(sizeof(colors2) / sizeof(colors2[0])); | |
uint8_t noteNum[] = {36,38,40,43,45,48}; | |
#define RED 17 | |
#define GREEN 16 | |
#define BLUE 25 | |
int flg = 0; | |
int vib = LOW; | |
int vibcnt = 0; | |
int adc1 = 0; | |
int adcAv8 = 0; | |
int adcAvCnt = 0; | |
int adcTrig = 0; | |
int trigNote = -1; | |
int latch1 = 0; | |
int latch2 = 0; | |
int colorMode = 0; | |
int vibOn = 0; | |
uint32_t *color = colors1; | |
uint8_t colorLen = COLORS1_LEN; | |
int colorIndex = 0; | |
#define ADC_THRESHOLD 240 | |
void setup() { | |
#if defined(ARDUINO_ARCH_MBED) && defined(ARDUINO_ARCH_RP2040) | |
TinyUSB_Device_Init(0); | |
#endif | |
pinMode(RED,OUTPUT); | |
pinMode(GREEN,OUTPUT); | |
pinMode(BLUE,OUTPUT); | |
digitalWrite(RED,HIGH); | |
digitalWrite(GREEN,HIGH); | |
digitalWrite(BLUE,HIGH); | |
pinMode(D1,INPUT); | |
pinMode(LED_POWER, OUTPUT); | |
digitalWrite(LED_POWER, HIGH); | |
SerialTinyUSB.begin(115200); | |
MIDI.begin(MIDI_CHANNEL_OMNI); | |
while( !TinyUSBDevice.mounted() ) { | |
Serial.print("."); | |
delay(1); | |
} | |
SerialTinyUSB.println("\nUSB mounted!"); | |
} | |
void loop() { | |
// vib | |
if((latch1 == 0)&&(latch2 == 0)){ | |
pixels.clear(); | |
pixels.show(); | |
} | |
if(latch1 == 0){ | |
vib = digitalRead(D1); | |
if(vib == HIGH){ | |
if(vibcnt < 6){ | |
vibcnt++; | |
if((vibcnt >= 6)&&(vibOn == 0)){ | |
SerialTinyUSB.println("VIB ON"); | |
latch1 = 80; | |
colorMode = 1; | |
vibOn = 1; | |
color = colors2; | |
colorLen = COLORS2_LEN; | |
colorIndex = 0; | |
MIDI.sendNoteOn(20, 127, 1); | |
} | |
} | |
}else{ | |
if(vibcnt > 0){ | |
vibcnt --; | |
if(vibOn == 1){ | |
SerialTinyUSB.println("VIB OFF"); | |
vibOn = 0; | |
MIDI.sendNoteOff(20, 0, 1); | |
} | |
} | |
} | |
} | |
if(latch2 == 0){ | |
// mic | |
adc1 = analogRead(D0); | |
// SerialTinyUSB.print("ADC : "); | |
// SerialTinyUSB.println(adc1); | |
if(adcAvCnt == 8){ | |
int adcAv = adcAv8 / 8; | |
/* | |
SerialTinyUSB.print("adc1 : "); | |
SerialTinyUSB.print(adc1); | |
SerialTinyUSB.print(" adcAv : "); | |
SerialTinyUSB.println(adcAv); | |
*/ | |
if((adc1 > (adcAv + ADC_THRESHOLD))||(adc1 < (adcAv - ADC_THRESHOLD))){ | |
if((trigNote == -1)&&(adcTrig == 0)){ | |
uint8_t idx = random(0,sizeof(noteNum)); | |
trigNote = (int)(noteNum[idx]); | |
SerialTinyUSB.println("TRIG : ON!!!!"); | |
MIDI.sendNoteOn(trigNote, 127, 1); | |
latch2 = 100; | |
colorMode = 0; | |
color = colors1; | |
colorLen = COLORS1_LEN; | |
colorIndex = 0; | |
} | |
if(adcTrig < 16){ | |
adcTrig ++; | |
} | |
}else{ | |
adcAv8 = ((adcAv8-adcAv) + adc1); | |
if(adcTrig > 0){ | |
adcTrig --; | |
if((adcTrig == 0)&&(trigNote != -1)){ | |
SerialTinyUSB.println("TRIG : OFF"); | |
MIDI.sendNoteOff(trigNote, 0, 1); | |
trigNote = -1; | |
} | |
} | |
} | |
}else{ | |
if(adcAvCnt < 8){ | |
adcAvCnt ++; | |
} | |
adcAv8 = (adcAv8 + adc1); | |
} | |
} | |
if((latch1 > 0)||(latch2 > 0)){ | |
pixels.setPixelColor(0, color[colorIndex]); | |
pixels.show(); | |
colorIndex ++; | |
if(colorIndex >= colorLen){ | |
colorIndex = 0; | |
} | |
} | |
if(latch1 > 0){ | |
latch1 --; | |
} | |
if(latch2 > 0){ | |
latch2 --; | |
} | |
if(SerialTinyUSB.available() > 0) { | |
uint8_t data = SerialTinyUSB.read(); | |
if(10 == data) { | |
data = '\n'; | |
} | |
SerialTinyUSB.print(data); | |
} | |
MIDI.read(); | |
TinyUSB_Device_FlushCDC(); | |
delay(10); | |
} |
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