Rosalie de Zeeuw / Mbed 2 deprecated EMG_Wiesje

EMG+filter

Dependencies:   mbed HIDScope biquadFilter biquad

main.cpp@16:9f7797ffd0fb, 2015-09-21 (annotated)

Committer:
tomlankhorst
Date:
Mon Sep 21 17:49:26 2015 +0000
Revision:
16:9f7797ffd0fb
Parent:
15:0da764eea774
Child:
18:21d8e7a81cf5
Simplification

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vsluiter 0:32bb76391d89 1 #include "mbed.h"
vsluiter 11:ce72ec658a95 2 #include "HIDScope.h"
vsluiter 0:32bb76391d89 3
vsluiter 4:8b298dfada81 4 //Define objects
tomlankhorst 14:f83354387756 5 AnalogIn emg(A0); //Analog input
tomlankhorst 14:f83354387756 6 Ticker sample_timer;
tomlankhorst 14:f83354387756 7 HIDScope scope(1);
vsluiter 2:e314bb3b2d99 8
tomlankhorst 14:f83354387756 9 /** Sample function
tomlankhorst 14:f83354387756 10 * this function samples the emg and sends it to HIDScope
tomlankhorst 14:f83354387756 11 **/
tomlankhorst 14:f83354387756 12 void sample()
vsluiter 2:e314bb3b2d99 13 {
tomlankhorst 14:f83354387756 14 /* First, sample the EMG using the 'read' method of the 'AnalogIn' variable named 'emg' */
tomlankhorst 14:f83354387756 15 double emg_value = emg.read();
tomlankhorst 14:f83354387756 16 /* Second, set the sampled emg value in channel zero (the first channel) in the 'HIDScope' variable named 'scope' */
vsluiter 11:ce72ec658a95 17 scope.set(0,emg_value);
tomlankhorst 16:9f7797ffd0fb 18 /* Repeat the step above if required for more channels (channel 0 up to 5 = 6 channels) */
tomlankhorst 14:f83354387756 19 /* Finally, send all channels to the PC at once */
vsluiter 11:ce72ec658a95 20 scope.send();
vsluiter 2:e314bb3b2d99 21 }
vsluiter 0:32bb76391d89 22
vsluiter 0:32bb76391d89 23 int main()
vsluiter 0:32bb76391d89 24 {
tomlankhorst 14:f83354387756 25 /**Attach the 'sample' function to the timer 'sample_timer'.
tomlankhorst 14:f83354387756 26 * this ensures that 'sample' is executed every... 0.002 seconds
vsluiter 4:8b298dfada81 27 */
tomlankhorst 14:f83354387756 28 sample_timer.attach(&sample, 0.002);
tomlankhorst 15:0da764eea774 29
tomlankhorst 14:f83354387756 30 /*empty loop, sample() is executed periodically*/
tomlankhorst 15:0da764eea774 31 while(1) {}
vsluiter 0:32bb76391d89 32 }