EMG+filter

Dependencies:   mbed HIDScope biquadFilter biquad

main.cpp

Committer:
tomlankhorst
Date:
2016-09-22
Revision:
20:97059009a491
Parent:
19:2bf824669684
Child:
21:7932900d6e3b

File content as of revision 20:97059009a491:

#include "mbed.h"
#include "HIDScope.h"

//Define objects
AnalogIn    emg0( A0 );
AnalogIn    emg1( A1 );

Ticker      sample_timer;
HIDScope    scope( 2 );
DigitalOut  led(LED1);

/** Sample function
 * this function samples the emg and sends it to HIDScope
 **/
void sample()
{
    /* Set the sampled emg values in channel 0 (the first channel) and 1 (the second channel) in the 'HIDScope' instance named 'scope' */
    scope.set(0, emg0.read() );
    scope.set(1, emg1.read() );
    /* Repeat the step above if required for more channels of required (channel 0 up to 5 = 6 channels) 
    *  Ensure that enough channels are available (HIDScope scope( 2 ))
    *  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... 0.002 seconds = 500 Hz
    */
    sample_timer.attach(&sample, 0.002);

    /*empty loop, sample() is executed periodically*/
    while(1) {}
}