# Photon quit after 1st message to dashboard.particle.io **URL:** \ **Category:** Troubleshooting\ **Created:** [June 13, 2015, 2:34am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531 "2015-06-13T02:34:18Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 2:34am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/1 "2015-06-13T02:34:18Z")
Hi there. I have swapped out a photon for a core in a project that I have had running for a couple of months now. After modifying the onewire and dallastemp libraries I have gotten the code to compile and work seemingly fine except it fails to publish after its first round post bootting. That is if I reboot I get one set of data on [dashboard.particle.io](http://dashboard.particle.io) or by subscribing from the cli. Since the code work flawlessly on my core I am wondering if I am missing something that is photon specific. Also BTW have the core running a different task on the same network now and have had not problems with publishing. Thanks in advance for your help. ---
**Author:** ![kennethlimcp](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kennethlimcp](https://community.particle.io/u/kennethlimcp)\ **Post date:** [June 13, 2015, 2:43am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/2 "2015-06-13T02:43:44Z")
@cdrodriguez, when you say quit, can you be more specific to what happened? Also, if your code can be shared, that will help a lot 🙂 ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 3:09am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/3 "2015-06-13T03:09:07Z")
Hi Kenneth. Thanks so much for responding. What I mean by quit is that it would not publish anything more, everything else continued to worked fine, e.g. spark.variable, spark.function. As for the code here is an excerpt: ```auto //Spark Publish Variables and settings int TTL = 60; // time to live unsigned long LastPublish = Time.now()-TTL; int TTL = 60; // time to live unsigned long LastPublish = Time.now()-TTL; int SumpSensorVal = 0; char DoorState[20] = "UNKOWN"; double CurrentTemp = 0.0; void setup() { ... } void loop() { //... Get the values and strcpy(DoorState, "OPEN"); or strcpy(DoorState, "CLOSED"); // Publish the variables if(Time.now() >= (LastPublish + TTL)){ Spark.publish("Garage_Temp", String(CurrentTemp), TTL, PRIVATE); Spark.publish("Garage_Door", DoorState, TTL, PRIVATE); Spark.publish("SumpSensor", String(SumpSensorVal), TTL, PRIVATE); LastPublish = Time.now(); } } ``` ---
**Author:** ![kennethlimcp](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kennethlimcp](https://community.particle.io/u/kennethlimcp)\ **Post date:** [June 13, 2015, 3:15am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/4 "2015-06-13T03:15:33Z")
for a quick test can we try: ```auto unsigned long old_time = millis(); void loop() { //... Get the values and strcpy(DoorState, "OPEN"); or strcpy(DoorState, "CLOSED"); // Publish the variables if(milis() - old_time >= 2000){ Spark.publish("Garage_Temp", String(CurrentTemp), TTL, PRIVATE); Spark.publish("Garage_Door", DoorState, TTL, PRIVATE); Spark.publish("SumpSensor", String(SumpSensorVal), TTL, PRIVATE); old_time = millis(); } } ``` ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 3:57am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/5 "2015-06-13T03:57:02Z")
That did the trick! Thank you so much. I have been struggling to figure this out for a while. Is the issue with Time.h? ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 4:23am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/6 "2015-06-13T04:23:11Z")
Would this work to avoid the wrap around at about 49 Days ```auto void loop() { // check for millis() wrap around if(millis() < old_time){old_time = millis();} // Other code follows } ``` ---
**Author:** ![kennethlimcp](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kennethlimcp](https://community.particle.io/u/kennethlimcp)\ **Post date:** [June 13, 2015, 5:43am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/7 "2015-06-13T05:43:21Z")
Ha. i was suspecting that… If you want to debug, print out `Time.now()` and use it accordingly in your code 😄 ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 6:14am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/8 "2015-06-13T06:14:33Z")
> [@kennethlimcp](#): > > Time.now() So I took your suggestion, what is interesting is that Time.now() returns on its first call 2507222946 and 1434175356 on its second from which point on it seems to be behaving. ```auto unsigned long LastPublish = millis(); unsigned long CurrentTime = Time.now(); void setup() { Time.zone(-7); CurrentTime = Time.now();} // Doesn't seem to matter whether this is here or not void loop() { // Publish the variables if(millis() - LastPublish >= 5000){ CurrentTime = Time.now(); Spark.publish("TimeNow", String(CurrentTime), TTL, PRIVATE); LastPublish = millis(); } } ``` the 1st publish was 2507222946 the 2nd publish was 1434175356 the 3rd was 1434175361 the 4th was 1434175366 and so on ... ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 13, 2015, 7:20am UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/9 "2015-06-13T07:20:56Z")
I wonder if the fact that time is int32 rather uint32 is where I am running into a problem [https://community.particle.io/t/time-class-and-signed-unix-time](https://community.particle.io/t/time-class-and-signed-unix-time) & [[Solved/Fixed] Time.now() in setup() gives bad time after power on](https://community.particle.io/t/solved-fixed-time-now-in-setup-gives-bad-time-after-power-on/9098) however that really doesnt explain why the code I have works fine on a core but fails on a photon ---
**Author:** ![harrisonhjones](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/harrisonhjones/32/4132_2.png) [@harrisonhjones](https://community.particle.io/u/harrisonhjones)\ **Post date:** [June 13, 2015, 5:28pm UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/10 "2015-06-13T17:28:45Z")
Use EllapsedMillis! (It’s in the libraries section in the WebIDE. Add it to your project). Code would look like this: ```auto elapsedMillis tmrUpdate; unsigned long updateInterval = 4000; // Other Variables void setup() { // ... Setup code tmrUpdate = 0; } // Other awesome functions void loop() { //... Get the values and strcpy(DoorState, "OPEN"); or strcpy(DoorState, "CLOSED"); // Publish the variables if(tmrUpdate > updateInterval){ Spark.publish("Garage_Temp", String(CurrentTemp), TTL, PRIVATE); Spark.publish("Garage_Door", DoorState, TTL, PRIVATE); Spark.publish("SumpSensor", String(SumpSensorVal), TTL, PRIVATE); tmrUpdate = 0; } } ``` ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 16, 2015, 9:56pm UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/11 "2015-06-16T21:56:41Z")
Thanks, I will definitely try this out. I just wonder what the issue is between the core and photon with Time.now(). ---
**Author:** ![cdrodriguez](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/cdrodriguez/32/5588_2.png) [@cdrodriguez](https://community.particle.io/u/cdrodriguez)\ **Post date:** [June 19, 2015, 5:57pm UTC](https://community.particle.io/t/photon-quit-after-1st-message-to-dashboard-particle-io/12531/12 "2015-06-19T17:57:35Z")
Hi Harrison. Thanks for the suggestion and example code it worked great. I modified a little so as to allow for multiple variable publishing ```auto elapsedMillis tmrUpdate; unsigned long updateInterval = 1000; int VTP = 1; // Variable to Publish // Other Variables void setup() { // ... Setup code tmrUpdate = 0; } // Other awesome functions void loop() { //... Get the values // Publish the variables if(tmrUpdate > updateInterval){ switch(VTP){ case 1: VTP++; Spark.publish("Name1", String(Variable1), TTL, PRIVATE); tmrUpdate = 0; break; case 2: VTP++; Spark.publish("Name2", String(Variable2), TTL, PRIVATE); tmrUpdate = 0; break; //... case N: VTP=1; Spark.publish("NameN", String(VariableN), TTL, PRIVATE); tmrUpdate = 0; break; } } ```