dear community
Arudino Uno R3 serial USB Rasbperry Pi 4B
Weather Data Readout and Communication (wind, temp, rain)
After two days the serial monitor cant show values, because the Uno froze.
After turn on off supply the setup works again..
Any problem with my script maybe? Does one see my mistake?
#include <cactus_io_BME280_SPI.h>
#include <SPI.h>
#define BME_SCK 13 // Serial Clock
#define BME_MISO 11 // Serial Data In
#define BME_MOSI 12 // Serial Data Out
#define BME_CS 10 // Chip Select
#define sensorPower 7
#define sensorPin 8
BME280_SPI bme(BME_CS,BME_MOSI,BME_MISO,BME_SCK); // BME280_SPI bme(BME_CS); (SPI)
#include "TimerOne.h"
#include <math.h>
#define WindSensorPin (2) // The pin location of the anemometer sensor
#define WindVanePin (A4) // The pin the wind vane sensor is connected to
#define VaneOffset 0; // define the anemometer offset from magnetic north
int VaneValue; // raw analog value from wind vane
int Direction; // translated 0 - 360 direction
int CalDirection; // converted value with offset applied
int LastValue; // last direction value
volatile bool IsSampleRequired; // this is set true every 2.5s. Get wind speed
volatile unsigned int TimerCount; // used to determine 2.5sec timer count
volatile unsigned long Rot; // cup rotation counter used in interrupt routine
volatile unsigned long Rotations;
volatile unsigned long ContactBounceTime; // Timer to avoid contact bounce in isr
float WindSpeed; // speed miles per hour
char rot[7];
char hu[7];
char dir[7];
char tc[7];
char tf[7];
char vv[7];
char pre[7];
char val[7];
void setup() {
Serial.begin(4800);
pinMode(sensorPower, OUTPUT); // rain
// Initially keep the sensor OFF
digitalWrite(sensorPower, LOW); //rain
pinMode(WindSensorPin, INPUT);
attachInterrupt(digitalPinToInterrupt(WindSensorPin), isr_rotation, FALLING);
LastValue = 0;
IsSampleRequired = false;
TimerCount = 0;
//Serial.println("Bosch BME280 Pressure - Humidity - Temp Sensor | cactus.io");
//Serial.println("Speed (MPH)\tKnots\tDirection\tStrength");
if (!bme.begin()) {
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}
// bme.setTempCal(1);// Sensor was reading high so offset by 1 degree C
// Serial.println("Rotations\tVaneValue\tDirection\tPressure\tHumdity\t\tTemp\t\tTemp");
}
void loop() {
Rotations = 0;
sei(); // Enables interrupts
delay (3000); // Wait 3 seconds to average
cli(); // Disable interrupts
// convert to mp/h using the formula V=P(2.25/T)
// V = P(2.25/3) = P * 0.75
WindSpeed = Rotations * 0.75;
bme.readSensor();
float temp_c = bme.getTemperature_C();
float hum = bme.getHumidity();
float pres = bme.getPressure_MB();
float temp_f = bme.getTemperature_F();
int val = readSensor();
VaneValue = analogRead(A4);
Direction = map(VaneValue, 0, 1023, 0, 359);
CalDirection = Direction + VaneOffset;
if(CalDirection > 360)
CalDirection = CalDirection - 360;
if(CalDirection < 0)
CalDirection = CalDirection + 360;
if (Direction == 360) Direction = 0;
//char buffer[70];
//sprintf{buffer, "Pressure %d mb
//dtostrf(Rotations,5,2,rot);
//dtostrf(VaneValue,7,2,vv);
//dtostrf(CalDirection,7,2,dir);
//dtostrf(pres,7,2,pre);
//dtostrf(hum,7,2,hu);
//dtostrf(temp_c,7,2,tc);
//dtostrf(temp_f,7,2,tf);
//char buffer[30];
//sprintf(buffer, "%i; %i; %i; %d; %d; %d; %d", Rotations, VaneValue, CalDirection, pres, hum, temp_c, temp_f);
//Serial.println(buffer);
Serial.print(Rotations); Serial.print(",");//Serial.print("\t\t");
Serial.print(VaneValue); Serial.print(",");//Serial.print("\t\t");
Serial.print(CalDirection); Serial.print(",");//Serial.print(" °\t\t");
Serial.print(pres); Serial.print(",");//Serial.print(" mb\t"); // Pressure in millibars
Serial.print(hum); Serial.print(",");//Serial.print(" %\t\t");
Serial.print(temp_c); Serial.print(",");//Serial.print(" *C\t");
Serial.print(val); Serial.print("\n");//Serial.println(" *F\t");
// Add a 2 second delay.
delay(3000); //just here to slow down the output.
}
// This is the function that the interrupt calls to increment the rotation count
void isr_rotation () {
if ((millis() - ContactBounceTime) > 15 ) { // debounce the switch contact.
Rotations++;
ContactBounceTime = millis();
}
}
// This function returns the rainsensor output
int readSensor() {
digitalWrite(sensorPower, HIGH); // Turn the sensor ON
delay(10); // Allow power to settle
int val = digitalRead(sensorPin); // Read the sensor output
digitalWrite(sensorPower, LOW); // Turn the sensor OFF
return val; // Return the value
}
