Example sketch won't compile, "default argument given for parameter 2" about qwiic_openlog

[AndyEngland521]

The SparkX version of the OpenLog runs a different firmware version than the new SparkFun OpenLog. You will need to update the firmware on your SparkX OpenLog to the most current version (contained in this repo) in order to get things working. In the mean time I'm looking into your compile error on SAMD21.

[mattljc]

I'm having similar issues with the Red version of the qwiic OpenLog connected to a SAMD21 RedBoard Turbo. Running example 1 results in missing characters and missing newlines.

Things tried so far:

• Adding 100ms delays after print statements to ensure the buffers clear
• Increasing and decreasing the I2C clock speed
• Reducing string lengths to 8 chars

[mantonakakis1]

The SparkX version of the OpenLog runs a different firmware version than the new SparkFun OpenLog. You will need to update the firmware on your SparkX OpenLog to the most current version (contained in this repo) in order to get things working. In the mean time I'm looking into your compile error on SAMD21.

Updated the SparkX Qwiic OpenLog to firmware 2.0 by uploading the Qwiic_OpenLog.ino file from the latest firmware folder using an FTDI board (confirmed the firmware update worked by changing the "no card" error from 3 blinks to 2 blinks), making sure I followed the instructions in the HookUp guide regarding supprting libraries.

I then tried writing some simple data to the SD card with a BlackBoard. It writes consistently, but it is SLOW. With 20ms delay between three print commands (time, a comma, and a counter value), I get about 1.5 to 1.8 seconds per loop. It was also extremely slow running some of the examples in the library.

Tomorrow I will test with the non-X version of the OpenLog, without any firmware changes from the way it shipped, using the BlackBoard.

Here's the code I tested with:

#include <Wire.h>
#include "SparkFun_Qwiic_OpenLog_Arduino_Library.h"
OpenLog myLog;
  
int now = 0;
int loopDelay = 20;
int count = 0;

void setup()
{  
  Serial.begin(9600);
  Serial.println("Starting"); 
  Wire.begin();
  Wire.setClock(400000);
  pinMode(LED_BUILTIN, OUTPUT);
  delay(100);
  myLog.begin();
  delay(100);
}

void loop()
{
  now = millis();
  myLog.print(now);
  delay(loopDelay);
  myLog.print(", ");
  delay(loopDelay);  
  myLog.println(count);    
  count++;
  digitalWrite(LED_BUILTIN, HIGH);
  delay(20);
  digitalWrite(LED_BUILTIN, LOW);
}

[mantonakakis1]

After my last post I reflashed the firmware without any changes, and it suddenly worked a bit better - but for the 60ms of total delay in my loop function, I was getting about 150-250ms per loop. After a few seconds, one of the times through the loop would slow down a lot, closer to 1s, then back to ~200ms.

Tried the same sketch with the new "red" version of the Qwiic OpenLog with whatever firmware it shipped with, and got the same result.

Tried another SparkX version of the board, with whatever firmware it shipped with about 2 months ago, and it wrote much faster, subjectively looked like it was running at the full 60ms loop speed. Unfortunately, the new library doesn't match the firmware it and prints the garbled output with the "spades" symbols (so I can't say for sure how fast it was).

So I think I can conclude the following with a bit of confidence:

• New firmware is quite slow, regardless of board version, using the latest firmware and libraries on a BlackBoard.
• New version of the board with stock firmware writes faster with a SAMD21 board, but incomplete print commands, missed new lines, etc.
• Old firmware seems like it doesn't suffer the same speed issues, but it doesn't work well with new libraries, which makes sense.