Script voor het weergeven van 1 EMG signaal met behulp van een OLIMEX shield. Let hierbij goed op dat je de juiste pinnetjes op het OLIMEX shield verbonden hebt, in dit geval A0 als uitgang. Verder maken we gebruik van 3,3 Volt!
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main.cpp
- Committer:
- tomlankhorst
- Date:
- 2016-09-22
- Revision:
- 18:21d8e7a81cf5
- Parent:
- 16:9f7797ffd0fb
- Child:
- 19:2bf824669684
File content as of revision 18:21d8e7a81cf5:
#include "mbed.h" #include "HIDScope.h" //Define objects AnalogIn emg(A0); //Analog input Ticker sample_timer; HIDScope scope(1); DigitalOut led(LED1); /** Sample function * this function samples the emg and sends it to HIDScope **/ void sample() { /* First, sample the EMG using the 'read' method of the 'AnalogIn' variable named 'emg' */ double emg_value = emg.read(); /* Second, set the sampled emg value in channel zero (the first channel) in the 'HIDScope' variable named 'scope' */ scope.set(0,emg_value); /* Repeat the step above if required for more channels (channel 0 up to 5 = 6 channels) */ /* Finally, send all channels to the PC at once */ scope.send(); /* To indicate that the function is working, the LED is toggled */ led = !led; } int main() { /**Attach the 'sample' function to the timer 'sample_timer'. * this ensures that 'sample' is executed every... 0.01 seconds */ sample_timer.attach(&sample, 0.01); /*empty loop, sample() is executed periodically*/ while(1) {} }