Low end EMG measuring

Dependencies:   HIDScope mbed

Committer:
CasperK
Date:
Thu Sep 27 13:07:35 2018 +0000
Revision:
0:498fc20f5c30
Low end EMG measuring of 2 muscles

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CasperK 0:498fc20f5c30 1 #include "mbed.h"
CasperK 0:498fc20f5c30 2 #include "HIDScope.h"
CasperK 0:498fc20f5c30 3
CasperK 0:498fc20f5c30 4 //Define objects
CasperK 0:498fc20f5c30 5 AnalogIn emg0( A0 );
CasperK 0:498fc20f5c30 6 AnalogIn emg1( A1 );
CasperK 0:498fc20f5c30 7
CasperK 0:498fc20f5c30 8 Ticker sample_timer;
CasperK 0:498fc20f5c30 9 HIDScope scope( 4 );
CasperK 0:498fc20f5c30 10 DigitalOut led(LED1);
CasperK 0:498fc20f5c30 11
CasperK 0:498fc20f5c30 12 /** Sample function
CasperK 0:498fc20f5c30 13 * this function samples the emg and sends it to HIDScope
CasperK 0:498fc20f5c30 14 **/
CasperK 0:498fc20f5c30 15 void sample()
CasperK 0:498fc20f5c30 16 {
CasperK 0:498fc20f5c30 17 /* Set the sampled emg values in channel 0 (the first channel) and 1 (the second channel) in the 'HIDScope' instance named 'scope' */
CasperK 0:498fc20f5c30 18 scope.set(0, emg0.read() );
CasperK 0:498fc20f5c30 19 scope.set(1, emg1.read() );
CasperK 0:498fc20f5c30 20
CasperK 0:498fc20f5c30 21 scope.send();
CasperK 0:498fc20f5c30 22 /* To indicate that the function is working, the LED is toggled */
CasperK 0:498fc20f5c30 23 led = !led;
CasperK 0:498fc20f5c30 24 }
CasperK 0:498fc20f5c30 25
CasperK 0:498fc20f5c30 26 int main()
CasperK 0:498fc20f5c30 27 {
CasperK 0:498fc20f5c30 28 /**Attach the 'sample' function to the timer 'sample_timer'.
CasperK 0:498fc20f5c30 29 * this ensures that 'sample' is executed every... 0.002 seconds = 500 Hz
CasperK 0:498fc20f5c30 30 */
CasperK 0:498fc20f5c30 31 sample_timer.attach(&sample, 0.002);
CasperK 0:498fc20f5c30 32
CasperK 0:498fc20f5c30 33 /*empty loop, sample() is executed periodically*/
CasperK 0:498fc20f5c30 34 while(1) {}
CasperK 0:498fc20f5c30 35 }