Michel Vos / Mbed 2 deprecated Low_end_EMG_measuring_2sensors

emg including calibration, (pin values still has to be checked and determined what we want as the gain. this calibration is don over the all the muscles at once

Dependencies:   HIDScope mbed

Fork of Low_end_EMG_measuring by Casper Kroon

main.cpp@1:1a38cc6622f6, 2018-10-18 (annotated)

Committer:
michelvos12
Date:
Thu Oct 18 09:37:39 2018 +0000
Revision:
1:1a38cc6622f6
Parent:
0:498fc20f5c30 
emg including calibration

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
michelvos12 1:1a38cc6622f6 5 AnalogIn emg0( A0 ); //emg sensor A0
michelvos12 1:1a38cc6622f6 6 AnalogIn emg1( A1 ); //emg sensor A1
michelvos12 1:1a38cc6622f6 7 AnalogIn emg2( A2 ); //emg sensor A3
michelvos12 1:1a38cc6622f6 8 DigitalIn button_emg(D4); //button for emg calibration (pin must be ckecked if empty
CasperK 0:498fc20f5c30 9
CasperK 0:498fc20f5c30 10 Ticker sample_timer;
michelvos12 1:1a38cc6622f6 11 HIDScope scope( 6 ); //6 channels in hidscope
CasperK 0:498fc20f5c30 12 DigitalOut led(LED1);
CasperK 0:498fc20f5c30 13
CasperK 0:498fc20f5c30 14 /** Sample function
michelvos12 1:1a38cc6622f6 15 * this function_Samples the emg_and_Sends it to HIDScope_
CasperK 0:498fc20f5c30 16 **/
CasperK 0:498fc20f5c30 17 void sample()
CasperK 0:498fc20f5c30 18 {
CasperK 0:498fc20f5c30 19 /* 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 20 scope.set(0, emg0.read() );
CasperK 0:498fc20f5c30 21 scope.set(1, emg1.read() );
michelvos12 1:1a38cc6622f6 22 scope.set(2, emg2.read() );
CasperK 0:498fc20f5c30 23
CasperK 0:498fc20f5c30 24 scope.send();
CasperK 0:498fc20f5c30 25 /* To indicate that the function is working, the LED is toggled */
CasperK 0:498fc20f5c30 26 led = !led;
CasperK 0:498fc20f5c30 27 }
CasperK 0:498fc20f5c30 28
CasperK 0:498fc20f5c30 29 int main()
CasperK 0:498fc20f5c30 30 {
CasperK 0:498fc20f5c30 31 /**Attach the 'sample' function to the timer 'sample_timer'.
CasperK 0:498fc20f5c30 32 * this ensures that 'sample' is executed every... 0.002 seconds = 500 Hz
CasperK 0:498fc20f5c30 33 */
michelvos12 1:1a38cc6622f6 34 //______emg calibration______//
michelvos12 1:1a38cc6622f6 35 while (button_emg == false) {
michelvos12 1:1a38cc6622f6 36 if (&sample >= 0,05) {
michelvos12 1:1a38cc6622f6 37 &sample = &sample*2;
michelvos12 1:1a38cc6622f6 38 }
michelvos12 1:1a38cc6622f6 39 else if (&sample >= 0,2) {
michelvos12 1:1a38cc6622f6 40 &sample = &sample;
michelvos12 1:1a38cc6622f6 41 }
michelvos12 1:1a38cc6622f6 42 else ($sample >= 0,5) {
michelvos12 1:1a38cc6622f6 43 &sample = &sample/2;
michelvos12 1:1a38cc6622f6 44 }
michelvos12 1:1a38cc6622f6 45 }
michelvos12 1:1a38cc6622f6 46 while (button_emg == true) {
CasperK 0:498fc20f5c30 47 sample_timer.attach(&sample, 0.002);
michelvos12 1:1a38cc6622f6 48 }
CasperK 0:498fc20f5c30 49 /*empty loop, sample() is executed periodically*/
CasperK 0:498fc20f5c30 50 while(1) {}
CasperK 0:498fc20f5c30 51 }