Raspberry Pi 3 Unresponsive to particle

Troubleshooting
1

I have added the beta version of Particle to the raspberry pi. It was running great all day yesterday. I flashed some new code this morning and it ran for an hour and then it “went offline”. I rebooted the pi and now whenever I try and re-flash the request times out despite the IDE seeing the pi as online? Any tips on how to reboot the particle software specifically on the pi?

2

Let me ping someone that might be able to help, @rickkas7 or @ParticleD are you able to assist?

3

You can reset the Particle Agent to an initialized state (running Tinker) by doing

particle-agent setup

That’s documented here (see the green box).

cheers,
ParticleD

4 
pi@raspberrypi:~ $ sudo particle-agent setup
Let's connect your Raspberry Pi to the Particle Cloud!

You are already logged in as cameron.owen@live.com.au.
Do you want to stay logged in as this user? |yes| yes
How do you want your device to be labeled in the Particle tools?
Name: |pi| 
Generating RSA private key, 1024 bit long modulus
.......++++++
.......................++++++
e is 65537 (0x10001)
writing RSA key
writing RSA key
⠴  Claiming the device to your Particle account 
/usr/lib/ruby/vendor_ruby/particle/device.rb:28:in `initialize': undefined method `key?' for nil:NilClass (NoMethodError)
	from /usr/lib/ruby/vendor_ruby/particle/client/devices.rb:19:in `new'
	from /usr/lib/ruby/vendor_ruby/particle/client/devices.rb:19:in `device'
	from /usr/lib/ruby/vendor_ruby/particle/client/devices.rb:47:in `claim_device'
	from /usr/lib/ruby/vendor_ruby/particle/device.rb:75:in `claim'
	from /usr/lib/ruby/vendor_ruby/particle_agent/setup.rb:250:in `claim_device'
	from /usr/lib/ruby/vendor_ruby/particle_agent/setup.rb:67:in `block in run!'
	from /usr/lib/ruby/vendor_ruby/whirly.rb:170:in `start'
	from /usr/lib/ruby/vendor_ruby/particle_agent/spinner.rb:12:in `show'
	from /usr/lib/ruby/vendor_ruby/particle_agent/setup.rb:64:in `run!'
	from /usr/lib/ruby/vendor_ruby/particle_agent/cli.rb:16:in `setup'
	from /usr/lib/ruby/vendor_ruby/thor/command.rb:27:in `run'
	from /usr/lib/ruby/vendor_ruby/thor/invocation.rb:126:in `invoke_command'
	from /usr/lib/ruby/vendor_ruby/thor.rb:359:in `dispatch'
	from /usr/lib/ruby/vendor_ruby/thor/base.rb:440:in `start'
	from /usr/bin/particle-agent:16:in `<main>'
5

Upside is I’m now able to flash it. I don’t think it fully completed the setup but comms is running and the flash worked.

Then it stopped running immediately and now it’s unresponsive again.

#include "Particle.h"
#include <math.h>
// -----------------------------------------
// Execute a script and publish the result
// -----------------------------------------
void publishData();

const unsigned long PUBLISH_PERIOD_MS = 10000; //Interval which firebase is updated in MS
const unsigned long FIRST_PUBLISH_MS = 5000; //Initial firebase update delay
const char *PUBLISH_EVENT_NAME = "light-data"; //Variable to save data under on firebase
//const char *PUBLISH_EVENT_NAME_HISTORY = "light-data-history"; //Variable to save data under on firebase

unsigned long lastPublish = FIRST_PUBLISH_MS - PUBLISH_PERIOD_MS; //Last time published

double cpuTemp = 0;

void setup() {
  Particle.variable("cpuTemp", &cpuTemp, DOUBLE); //Expose a variable through the cloud
}

void loop() {
  // Measure the CPU temperature by running the vcgencmd program
  Process proc = Process::run("vcgencmd measure_temp");
  // Wait for vcgencmd to finish
  proc.wait();

  // The output is temp=43.5'C so fast-forward until the the character = is found
  proc.out().find("=");
  // Convert the string to a number
  cpuTemp = proc.out().parseFloat();

  // Publish the event to the Particle cloud. It will be visible in the Console.
  //Particle.publish("cpu_temp", String(cpuTemp), PRIVATE);
  
  publishData(cpuTemp);

  // Repeat after a 1 second pause
  delay(1000);
}


void publishData(double newTemp) 
{
	char buf[256]; //creates a character buffer with a maximum size of 256 characters long
	snprintf(buf, sizeof(buf), "{\"lux\":%f}", newTemp); //Creates the buffer with the appropriate information
	Serial.printlnf("publishing %s", buf); //Prints output to serial. Used for debugging purposes.
	Particle.publish(PUBLISH_EVENT_NAME, buf, PRIVATE); //Sends buffer to firebase
	//Particle.publish(PUBLISH_EVENT_NAME_HISTORY, buf, PRIVATE); //Sends buffer to firebase
}
6

Reboot has it running. I’ll monitor to see how long it last before it falls over.