feat:leitura assíncrona de leitores

1 files changed, 135 insertions, 0 deletions

diff --git a/esp/estacao_principal/estacao_principal.ino b/esp/estacao_principal/estacao_principal.ino
new file mode 100644
index 0000000..cfc5470
--- /dev/null
+++ b/esp/estacao_principal/estacao_principal.ino
@@ -0,0 +1,135 @@
+#include <Wire.h>
+#include <Adafruit_BMP280.h>
+#include <BH1750.h>
+#include <DHT.h>
+
+// LM393
+#define LM393_INTERVAL 1000
+#define LM393_PIN 35  // ou 35 se preferir
+
+volatile unsigned long contagem_lm393 = 0;
+
+volatile bool prevLm393State = LOW;
+void isr_lm393() {
+  bool state = digitalRead(LM393_PIN);
+
+  if (prevLm393State != state) {
+    contagem_lm393++;
+  }
+
+  prevLm393State = state;
+}
+
+unsigned long lastTime_lm393 = 0;
+///////////////////////////////////////////////////////////////////////////
+
+// BH1750
+#define BH1750_INTERVAL 2000
+
+BH1750 lightMeter;
+
+unsigned long lastTime_bh1750 = 0;
+///////////////////////////////////////////////////////////////////////////
+
+// DHT11
+#define DHT_PIN 32
+#define DHTTYPE DHT11
+DHT dht(DHT_PIN, DHTTYPE);
+
+#define DHT11_HUM_INTERVAL  4000
+
+unsigned long lastTime_dht11_hum = 0;
+
+///////////////////////////////////
+
+// BMP280
+Adafruit_BMP280 bmp;
+#define BMP280_PRESSURE_INTERVAL 5000
+#define BMP280_TEMPERATURE_INTERVAL 3000
+
+unsigned long lastTime_bmp280_press = 0;
+unsigned long lastTime_bmp280_temp = 0;
+/////////////////////////////////////
+
+void setup() {
+  Serial.begin(115200);
+  Wire.begin(21, 22);
+
+  // LM393
+  pinMode(LM393_PIN, INPUT);
+  attachInterrupt(digitalPinToInterrupt(LM393_PIN), isr_lm393, CHANGE);
+
+  // BH1750
+  lightMeter.begin();
+
+  // DHT11
+  dht.begin();
+
+  // BMP280
+  bmp.begin(0x76);
+
+  Serial.println("Estacao iniciada");
+}
+
+
+void loop() {
+
+  unsigned long now = millis();
+
+  // LM393
+  if (now - lastTime_lm393 >= LM393_INTERVAL) {
+    int pulsos;
+
+    const float FATOR_KHM = 2.4;
+    
+    noInterrupts();
+    pulsos = contagem_lm393;
+    contagem_lm393 = 0;
+    interrupts();
+    
+    int giros = pulsos / 10;
+
+    float rps = ((float)pulsos/10.0f) / (LM393_INTERVAL / 1000.0f);
+    float velocidade = rps * FATOR_KHM;
+
+    Serial.print("Velocidade do tempo: ");
+    Serial.print(velocidade);
+    Serial.println(" km/h");
+    lastTime_lm393 = now;
+  }
+
+  // BH1750
+  if (now - lastTime_bh1750 >= BH1750_INTERVAL) {
+    Serial.print("Luz: ");
+    Serial.print(lightMeter.readLightLevel());
+    Serial.println(" lux");
+
+    lastTime_bh1750 = now;
+  }
+
+  // DHT11 - Umidade
+  if (now - lastTime_dht11_hum >= DHT11_HUM_INTERVAL) {
+    Serial.print("Umidade: ");
+    Serial.print(dht.readHumidity());
+    Serial.println(" %");
+    lastTime_dht11_hum = now;
+  }
+
+  // BMP280 - AIR PRESSURE
+  if (now - lastTime_bmp280_press >= BMP280_PRESSURE_INTERVAL) {
+    Serial.print("Pressao: ");
+    Serial.print(bmp.readPressure() / 100.0f);
+    Serial.println(" hPa");
+    
+    lastTime_bmp280_press = now;
+  }
+
+  // BMP280 - TEMPERATURE
+  if (now - lastTime_bmp280_temp >= BMP280_TEMPERATURE_INTERVAL) {
+    Serial.print("Temperatura: ");
+    Serial.print(bmp.readTemperature());
+    Serial.println(" C");
+    
+    lastTime_bmp280_temp = now;
+  }
+}