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2017-05-01 at 2:56 PM
#2192
Anthony,
I have run that Sample Code but do not have success when I try to merge it in with my code.
This is my current code:
Aq_Bar_Pressure.ino
Arduino
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#include <Wire.h> #include <SparkFun_MS5803_I2C.h> #include <Wire.h> #include <Adafruit_MPL115A2.h> Adafruit_MPL115A2 mpl115a2; #include <Wire.h> #include "Sodaq_DS3231.h" char weekDay[][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; //year, month, date, hour, min, sec and week-day(starts from 0 and goes to 6) //writing any non-existent time-data may interfere with normal operation of the RTC. //Take care of week-day also. DateTime dt(2017, 04, 24, 15, 04, 0, 1); // Begin class with selected address // available addresses (selected by jumper on board) // default is ADDRESS_HIGH // ADDRESS_HIGH = 0x76 // ADDRESS_LOW = 0x77 MS5803 sensor(ADDRESS_HIGH); //Create variables to store results float temperature_c, temperature_f; double pressure_abs, pressure_relative, altitude_delta, pressure_baseline; // Create Variable to store altitude in (m) for calculations; double base_altitude = 1655.0; // Altitude of SparkFun's HQ in Boulder, CO. in (m) /* * Simple data logger. */ #include <SPI.h> #include "SdFat.h" // SD chip select pin. Be sure to disable any other SPI devices such as Enet. const uint8_t chipSelect = SS; // Interval between data records in milliseconds. // The interval must be greater than the maximum SD write latency plus the // time to acquire and write data to the SD to avoid overrun errors. // Run the bench example to check the quality of your SD card. const uint32_t SAMPLE_INTERVAL_MS = 1000; // Log file base name. Must be six characters or less. #define FILE_BASE_NAME "Data" //------------------------------------------------------------------------------ // File system object. SdFat sd; // Log file. SdFile file; // Time in micros for next data record. uint32_t logTime; //============================================================================== // User functions. Edit writeHeader() and logData() for your requirements. const uint8_t ANALOG_COUNT = 4; //------------------------------------------------------------------------------ // Write data header. void writeHeader() { file.print(F("micros")); for (uint8_t i = 0; i < ANALOG_COUNT; i++) { file.print(F(",adc")); file.print(i, DEC); } file.println(); } //------------------------------------------------------------------------------ // Log a data record. void logData() { uint16_t data[ANALOG_COUNT]; // Read all channels to avoid SD write latency between readings. for (uint8_t i = 0; i < ANALOG_COUNT; i++) { data[i] = analogRead(i); } // Write data to file. Start with log time in micros. file.print(logTime); // Write ADC data to CSV record. for (uint8_t i = 0; i < ANALOG_COUNT; i++) { file.write(','); file.print(data[i]); } file.println(); } //============================================================================== // Error messages stored in flash. #define error(msg) sd.errorHalt(F(msg)) //------------------------------------------------------------------------------ void setup() { const uint8_t BASE_NAME_SIZE = sizeof(FILE_BASE_NAME) - 1; char fileName[13] = FILE_BASE_NAME "00.csv"; Serial.begin(9600); // Wait for USB Serial while (!Serial) { SysCall::yield(); } delay(1000); Serial.println(F("Type any character to start")); while (!Serial.available()) { SysCall::yield(); } // Initialize the SD card at SPI_HALF_SPEED to avoid bus errors with // breadboards. use SPI_FULL_SPEED for better performance. if (!sd.begin(chipSelect, SPI_HALF_SPEED)) { sd.initErrorHalt(); } // Find an unused file name. if (BASE_NAME_SIZE > 6) { error("FILE_BASE_NAME too long"); } while (sd.exists(fileName)) { if (fileName[BASE_NAME_SIZE + 1] != '9') { fileName[BASE_NAME_SIZE + 1]++; } else if (fileName[BASE_NAME_SIZE] != '9') { fileName[BASE_NAME_SIZE + 1] = '0'; fileName[BASE_NAME_SIZE]++; } else { error("Can't create file name"); } } if (!file.open(fileName, O_CREAT | O_WRITE | O_EXCL)) { error("file.open"); } // Read any Serial data. do { delay(10); } while (Serial.available() && Serial.read() >= 0); Serial.print(F("Logging to: ")); Serial.println(fileName); Serial.println(F("Type any character to stop")); // Write data header. writeHeader(); // Start on a multiple of the sample interval. logTime = micros()/(1000UL*SAMPLE_INTERVAL_MS) + 1; logTime *= 1000UL*SAMPLE_INTERVAL_MS; Serial.begin(9600); Wire.begin(); rtc.begin(); rtc.setDateTime(dt); //Adjust date-time as defined 'dt' above Serial.begin(9600); //Retrieve calibration constants for conversion math. sensor.reset(); sensor.begin(); pressure_baseline = sensor.getPressure(ADC_4096); Serial.begin(9600); Serial.println("Hello!"); Serial.println("Getting barometric pressure ..."); mpl115a2.begin(); } void loop() { // Time for next record. logTime += 1000UL*SAMPLE_INTERVAL_MS; // Wait for log time. int32_t diff; do { diff = micros() - logTime; } while (diff < 0); // Check for data rate too high. if (diff > 10) { error("Missed data record"); } logData(); // Force data to SD and update the directory entry to avoid data loss. if (!file.sync() || file.getWriteError()) { error("write error"); } if (Serial.available()) { // Close file and stop. file.close(); Serial.println(F("Done")); SysCall::halt(); } DateTime now = rtc.now(); //get the current date-time Serial.print(now.year(), DEC); Serial.print('/'); Serial.print(now.month(), DEC); Serial.print('/'); Serial.print(now.date(), DEC); Serial.print(' '); Serial.print(now.hour(), DEC); Serial.print(':'); Serial.print(now.minute(), DEC); Serial.print(':'); Serial.print(now.second(), DEC); Serial.println(); Serial.print(weekDay[now.dayOfWeek()]); Serial.println(); // To measure to higher degrees of precision use the following sensor settings: // ADC_256 // ADC_512 // ADC_1024 // ADC_2048 // ADC_4096 // Read temperature from the sensor in deg C. This operation takes about temperature_c = sensor.getTemperature(CELSIUS, ADC_512); // Read temperature from the sensor in deg F. Converting // to Fahrenheit is not internal to the sensor. // Additional math is done to convert a Celsius reading. temperature_f = sensor.getTemperature(FAHRENHEIT, ADC_512); // Read pressure from the sensor in mbar. pressure_abs = sensor.getPressure(ADC_4096); // Report values via UART Serial.print("Temperature C = "); Serial.println(temperature_c); Serial.print("Temperature F = "); Serial.println(temperature_f); Serial.print("Water Pressure abs (mbar)= "); Serial.println(pressure_abs); float pressureKPA = 0, temperatureC = 0; pressureKPA = mpl115a2.getPressure(); Serial.print("Atmospheric Pressure (kPa): "); Serial.print(pressureKPA, 4); Serial.println(" kPa"); delay(10000); } |
