Hello, I get the error “pulseIn was not declared in this scope” for my previously worked code. How can I solve this problem? Here is the code. This is my cpp-file for hc-sr04 sensor. #include "application.h" #include "hc_sr04.h" #include "math.h" HC_SR04::HC_SR04( uint8_t pin_trigger, uint8_t pi…

Might sound useless, but try adding a blank line at the top :wink:

This looks like a similar problem to the one I have raised “Particle was not declared in this scope”. Looks like there may be an include or library issue in the Web IDE.

Are you using a Core or a Photon? If it is a Core above suggestion migth work - for a Photon I can use pulseIn() as expected in either Latest (0.4.7) or 0.4.7.

hi, i’m using a photon with the particle dev ide. how can i change over the ide to 0.4.7? thanks

At the moment I don’t think you can - sorry :confused: But this seems to be a temporary issue.

pulseIn was not declared in this scope

Troubleshooting

paulcdale December 14, 2015, 11:30pm 4

The is a possible workaround in this thread Particle was not declared in this scope

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pulseIn was not declared in this scope

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