SparkFun Forums

[BitLander]

Background
Brand new Artemis Nano
Win 10
Arduino 1.8.13, fresh install
Core 2.0.1 with the understanding that the serial monitor needs to be closed during upload
"Blink" runs fine

Symptom and/or Red Herring
On load of Arduino IDE
...\core-implement\HardwareSerial.cpp: In member function 'int UART::printf(const char*, ...)':
...\core-implement\HardwareSerial.cpp:153:19: warning: variable length array 'buf' is used [-Wvla] char buf[space];

Test Code

Code: Select all

void setup() {
  pinMode(19, OUTPUT);
  Serial.begin(9600);
  while (!Serial){};
  Serial.print("Hello.");
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(19, HIGH);   
  delay(500);               
  digitalWrite(19, LOW);    
  delay(1000);               
}

Results
Serial monitor output: "10:56:10.798 -> He"
LED activity: None

Thanks in advance.

[TS-Brandon]

If you use an older firmware core version do you have the same issue?

[BitLander]

Thanks for quick reply. Excellent. I'm up and running.
Retrograde to 1.1.2

Results as expected
Serial Monitor: 08:26:13.209 -> Hello.

Arduino Watch Window:
Sketch uses 8736 bytes (0%) of program storage space. Maximum is 960000 bytes.
Global variables use 33820 bytes of dynamic memory.


Artemis SVL Bootloader
Got SVL Bootloader Version: 5
[##################################################]Upload complete

[liquid.soulder]

Hi there - this line

Code: Select all

while (!Serial){};

is broken in v2.0.1

https://github.com/sparkfun/Arduino_Apollo3/issues/274

Try commenting that out for now (until we can fix it in the next release)

[BitLander]

Thank you. I'll give it a shot.