Arduino-Development / libraries /Adafruit_Circuit_Playground /examples /ScratchSensorBoard /ScratchSensorBoard.ino
| // 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! | |
| 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(10); | |
| 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); | |
| } | |