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ScratchSensorBoard.ino
64 lines (51 loc) · 1.51 KB
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ScratchSensorBoard.ino
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// example sketch to turn your circuit playground into a picoboard
// potentiometer is 'simulated' by tilting the cplay (accelerometer Z is reported)
// pin #13 red LED is lit when data is sent to Scratch!
#include <Adafruit_CircuitPlayground.h>
#define SCRATCH_DATA_REQUEST 0x01
#define SCRATCH_FW_VER 0x04
void setup() {
while (!Serial);
Serial.begin(38400);
//Serial.println("Start!");
CircuitPlayground.begin();
pinMode(13, OUTPUT);
}
void loop() {
if (!Serial.available())
return;
char c = Serial.read();
if (c != SCRATCH_DATA_REQUEST)
return;
digitalWrite(13, HIGH);
// data is a request!
sendPacket(0xF, SCRATCH_FW_VER);
sendPacket(0x0, analogRead(A0));
sendPacket(0x1, analogRead(A1));
sendPacket(0x2, analogRead(A2));
if (CircuitPlayground.leftButton() || CircuitPlayground.rightButton()) {
sendPacket(0x3, 0x0);
} else {
sendPacket(0x3, 0xFFFF);
}
sendPacket(0x4, CircuitPlayground.temperature() * 10);
sendPacket(0x5, 1023 - CircuitPlayground.lightSensor());
float s = CircuitPlayground.mic.soundPressureLevel();
sendPacket(0x6, s);
float z = CircuitPlayground.motionZ();
z *= -50; // reverse direction
z += 512;
sendPacket(0x7, z);
digitalWrite(13, LOW);
}
void sendPacket(uint8_t channel, uint16_t data) {
uint8_t packet0, packet1;
channel &= 0xF;
if (data >= 1024) data = 1023;
packet0 = 0x80 | (channel << 3) | ((data >> 7) & 0x7);
packet1 = data & 0x7F;
Serial.write(packet0);
//delay(1);
Serial.write(packet1);
//delay(1);
}