Search found 6 matches

by ehsan.moradi
Sat Mar 17, 2018 3:31 pm
Forum: Freematics Products
Topic: Updated code for Freematics ONE+ and compile errors
Replies: 1
Views: 4605

Updated code for Freematics ONE+ and compile errors

Hi ... I recently downloaded the newest version of the code from github. When I try to compile and upload the code to the device, I'm getting this error: "error: 'i2c_ack_type_t' was not declared in this scope" Does anyone know what is the problem? I had no problem with compiling and uploa...
by ehsan.moradi
Thu Feb 15, 2018 2:00 am
Forum: Freematics Products
Topic: Help with MEMS calibration
Replies: 0
Views: 4138

Help with MEMS calibration

Hi ... Can someone help me with the calibration process of MEMS sensors in the Freematics ONE+ module? Does it have auto calibration? Should I go through a special process and calibrate acc/gyr/mag manually? I'm getting fixed values from magnetic sensor. accelerometer values are not accurate and the...
by ehsan.moradi
Wed Feb 14, 2018 12:36 pm
Forum: Freematics Products
Topic: Accelereomter/Gyro/Compass calibration
Replies: 0
Views: 4681

Accelereomter/Gyro/Compass calibration

Hi ... Would you please explain for me how should I calibrate the MEMS sensors. I mean, should I go through a special process or the module has auto calibration mechanism. at the moment, I am still testing the device at my desk (indoors) and when I check the second-by-second output of the module, I ...
by ehsan.moradi
Wed Feb 14, 2018 12:28 pm
Forum: Freematics Products
Topic: Waiting for GPS ...
Replies: 4
Views: 7774

Re: Waiting for GPS ...

Oh, it suddenly started working. I was testing it indoor (close to the window). I'm not sure the problem was reception. but, fortunately I'm receiving location data right now.
by ehsan.moradi
Tue Feb 13, 2018 11:49 pm
Forum: Freematics Products
Topic: Waiting for GPS ...
Replies: 4
Views: 7774

Re: Waiting for GPS ...

No. I never saw a LED in GPS module lighting up!
by ehsan.moradi
Tue Feb 13, 2018 10:26 am
Forum: Freematics Products
Topic: Waiting for GPS ...
Replies: 4
Views: 7774

Waiting for GPS ...

Hi ... I uploaded the data_logger firmware v5 to my freematics ONE+. I'm using the standard external GPS module and it is connected. But, when the sensor wakes from sleeps and goes for the GPS, after "GPS OK", for 300 seconds it shows "Waiting for GPS ..." and it does not start w...