I think something about this script means it can't open/create an SD card. A test script worked fine, the test script used the same logic to open/create the file. Any ideas? When I run it, it goes through the set up, than prints "failed to create file in setup" after the other setup messages.
// Sensors: Temperature/Humidity, Gyro/Accelerometer/Temperature
/* 575381
* Rocket_Setup.ino
* 10/25/2024
* Purpose:
* read sensors
* convert to readable file format
* export to txt in sd card
*/
#include <SPI.h>
#include <SD.h>
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <Adafruit_MPU6050.h>
File file;
char fileName[] = "data.txt";
const int BME_CHIP = 0x76, MPU_CHIP = 0x68, SD_CHIP = 4, DELAY_TIME = 1000; // TODO: Find hardware port for SD card
Adafruit_BME280 bme;
Adafruit_MPU6050 mpu;
sensors_event_t accel, gyro, temp;
char charRead;
void setup()
{
// put your setup code here, to run once:
Serial.begin(9600);
Serial.println("Starting setup now.");
unsigned status = bme.begin(0x76);
if(!status)
{
Serial.println("No BME found! Check wiring or port.");
while(1);
}
status = mpu.begin(0x68);
if(!status)
{
Serial.println("No MPU found! Check wiring or port.");
while(1);
}
pinMode(10, OUTPUT); // Required for SPI
delay(100); // small pause before SD.begin()
status = SD.begin(SD_CHIP);
if(!status)
{
Serial.println("No SD Card found! Check wiring or port.");
while(1);
}
// Try to create the file here
File file = SD.open(fileName, FILE_WRITE);
if (file) {
Serial.println("File created successfully");
file.println("Initial log");
file.close();
} else {
Serial.println("Failed to create file in setup");
while (1);
}
Serial.println("End setup, start loop.");
}
void readFromFile()
{
byte i=0; //counter
char inputString[100]; //string to hold read string
//now read it back and show on Serial monitor
// Check to see if the file exists:
if (!SD.exists(fileName))
{
char buffer[100];
sprintf(buffer, "%s doesn't exist", fileName);
}
Serial.println("Reading from simple.txt:");
file = SD.open(fileName);
while (file.available())
{
char inputChar = file.read(); // Gets one byte from serial buffer
if (inputChar == '\n') //end of line (or 10)
{
inputString[i] = 0; //terminate the string correctly
Serial.println(inputString);
i=0;
}
else
{
inputString[i] = inputChar; // Store it
i++; // Increment where to write next
if(i> sizeof(inputString))
{
Serial.println("Incoming string longer than array allows");
Serial.println(sizeof(inputString));
while(1);
}
}
}
}
void writeToFile(String &input)
{
file = SD.open(fileName, FILE_WRITE);
if (file) // it opened OK
{
Serial.println("Writing to file");
file.println(input);
file.close();
Serial.println("Done");
}
else
Serial.println("Error opening file");
}
void deleteFile()
{
//delete a file:
if (SD.exists(fileName))
{
Serial.println("Removing text file");
SD.remove(fileName);
Serial.println("Done");
}
}
String get_data()
{
String data = "BME Readings: \n ";
data.concat("Temperature: ");
data.concat(bme.readTemperature());
data.concat(" °C\n");
data.concat("Pressure: ");
data.concat(bme.readPressure() / 100.0f);
data.concat(" hPa\n");
data.concat("Approximate Altitude: ");
data.concat(bme.readAltitude(1013.25));
data.concat(" m");
data.concat("Relative Humidity: ");
data.concat(bme.readHumidity());
data.concat(" %\n\n");
data.concat("MPU Readings: \n");
data.concat("dX = ");
data.concat(gyro.gyro.x);
data.concat(" °/s\n");
data.concat("dY = ");
data.concat(gyro.gyro.y);
data.concat(" °/s\n");
data.concat("dZ = ");
data.concat(gyro.gyro.z);
data.concat(" °/s\n");
data.concat("aX = ");
data.concat(accel.acceleration.x);
data.concat(" °/s^2\n");
data.concat("aY = ");
data.concat(accel.acceleration.y);
data.concat(" °/s^2\n");
data.concat("aZ = ");
data.concat(accel.acceleration.z);
data.concat(" °/s^2\n");
data.concat("Approx Temp: ");
data.concat(temp.temperature);
data.concat(" °C\n\n\n");
return data;
}
void loop()
{
// put your main code here, to run repeatedly:
String data = get_data();
writeToFile(data);
delay(DELAY_TIME);
}