(in Sd Card) can i copy the entire file and rename it ?

Projects Programming
19

Hi Paul,
below is the sender code installed on a Teensy 3.2. The TSD refers to an SD module modified to quarter speed, so that the SD reader will run reliably with a Teensy running at 96 mHz.

the receiver code runs on a Nano.

I was unable to get reliable transmission above 9600 bps. Maybe the problem is in the code, because if I'm just sending the data to a terminal it looks ok.

??
Receiver code:

 /*
 * This seems to work ok 3-1-16 jaf
 */

#define I2C_ADDRESS 0x3C

#include "SSD1306Ascii.h"
#include "SSD1306AsciiAvrI2c.h"
#include <SoftwareSerial.h>
#include <SPI.h>
#include <SD.h>

File dataFile;

SSD1306AsciiAvrI2c oled;

SoftwareSerial ss(4, 3);

void setup() {
  ss.begin(9600);
  Serial.begin(96s00);
  Serial.print("this is the startup");
 
  oled.begin(&Adafruit128x64, I2C_ADDRESS);
  oled.setFont(System5x7);
  oled.clear();
  oled.println("record to SD-2");
  oled.println();

 Serial.print("Initializing SD card...");

  if (!SD.begin(10)) {
    Serial.println("initialization failed!");
    oled.println("initialization failed!");
    return;
  }
  oled.println("initialization done.");
  Serial.println("Initialization done");

  // so you have to close this one before opening another.
  dataFile = SD.open("planeSD.txt", FILE_WRITE);
  
  Serial.println("this is starting"); 
  delay(1000);
}
void loop() {
  dataFile.flush();
  while (ss.available() > 0) {
  char inChar = ss.read();
  dataFile.print(inChar);
  }

}

Sender Code:

 /*
 * Simple Dumpfile on Plane
2-28-16 jaf
Changed SD.h to TSD.h to agree with teensy library change
2-29-16 jaf
minor ajustments & change data-rate 3-1-16 jaf
 */

#include <TSD.h>
#include <SPI.h>

const int chipSelect = 10;

File dataFile;

void setup()
{
 // Open serial communications and wait for port to open:
  Serial.begin(9600);
  Serial3.begin(9600);
  Serial.print("Initializing SD card...");
  
  // see if the card is present and can be initialized:
  if (!SD.begin(chipSelect)) {
    Serial.println("Card failed, or not present");
    // don't do anything more:
    return;
  }
  Serial.println("card initialized.");
  
   File dataFile = SD.open("altimu1.txt");
     dataFile.flush();
// if the file is available, read it:
  if (dataFile) {
    while (dataFile.available()) {
      char inbyte = dataFile.read();
      Serial3.print(inbyte);  
    }
  }
  // if the file isn't open, pop up an error:
  else {
    Serial.println("error opening altimu1.txt");
  }
 }

void loop()
{ 
}

see anything bizarre in here?

john