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#include <Wire.h>
#define AS5600_ADDR 0x36 // endereço I2C do AS5600
#define RAW_ANGLE_REG 0x0C
unsigned long lastTime = 0;
String direcaoCardinal(float angulo) {
if (angulo >= 337.5 || angulo < 22.5) return "Norte";
else if (angulo < 67.5) return "Nordeste";
else if (angulo < 112.5) return "Leste";
else if (angulo < 157.5) return "Sudeste";
else if (angulo < 202.5) return "Sul";
else if (angulo < 247.5) return "Sudoeste";
else if (angulo < 292.5) return "Oeste";
else return "Noroeste";
}
uint16_t readRawAngle() {
Wire.beginTransmission(AS5600_ADDR);
Wire.write(RAW_ANGLE_REG);
Wire.endTransmission();
Wire.requestFrom(AS5600_ADDR, 2);
uint16_t high = Wire.read();
uint16_t low = Wire.read();
return (high << 8) | low;
}
void setup() {
Serial.begin(115200);
Wire.begin(); // SDA e SCL padrão do ESP32 (21 e 22)
Serial.println("Leitura do AS5600 - Direcao do Vento");
}
void loop() {
uint16_t raw = readRawAngle();
// O AS5600 fornece 12 bits (0–4095) para 0–360°
float angulo = (raw & 0x0FFF) * 360.0 / 4096.0;
if (millis() - lastTime >= 1000) {
Serial.print("Angulo: ");
Serial.print(angulo, 2);
Serial.print("° | Direcao: ");
Serial.println(direcaoCardinal(angulo));
lastTime = millis();
}
}
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