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Werkend EMG script
Dependencies: HIDScope MODSERIAL biquadFilter mbed
Fork of EMG by
main.cpp@14:f83354387756, 2015-09-21 (annotated)
- Committer:
- tomlankhorst
- Date:
- Mon Sep 21 13:48:00 2015 +0000
- Revision:
- 14:f83354387756
- Parent:
- 13:18d4cef1fdb4
- Child:
- 15:0da764eea774
EMG Sampler
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vsluiter | 0:32bb76391d89 | 1 | #include "mbed.h" |
vsluiter | 6:80c13d99aa55 | 2 | #include "MODSERIAL.h" |
vsluiter | 11:ce72ec658a95 | 3 | #include "HIDScope.h" |
vsluiter | 0:32bb76391d89 | 4 | |
vsluiter | 4:8b298dfada81 | 5 | //Define objects |
tomlankhorst | 14:f83354387756 | 6 | AnalogIn emg(A0); //Analog input |
tomlankhorst | 14:f83354387756 | 7 | Ticker sample_timer; |
tomlankhorst | 14:f83354387756 | 8 | HIDScope scope(1); |
vsluiter | 2:e314bb3b2d99 | 9 | |
tomlankhorst | 14:f83354387756 | 10 | /** Sample function |
tomlankhorst | 14:f83354387756 | 11 | * this function samples the emg and sends it to HIDScope |
tomlankhorst | 14:f83354387756 | 12 | **/ |
tomlankhorst | 14:f83354387756 | 13 | void sample() |
vsluiter | 2:e314bb3b2d99 | 14 | { |
tomlankhorst | 14:f83354387756 | 15 | /* First, sample the EMG using the 'read' method of the 'AnalogIn' variable named 'emg' */ |
tomlankhorst | 14:f83354387756 | 16 | double emg_value = emg.read(); |
tomlankhorst | 14:f83354387756 | 17 | /* Second, set the sampled emg value in channel zero (the first channel) in the 'HIDScope' variable named 'scope' */ |
vsluiter | 11:ce72ec658a95 | 18 | scope.set(0,emg_value); |
tomlankhorst | 14:f83354387756 | 19 | /* Repeat the step above if required for more channels (channel 0 up to 5 = 6 channels) |
tomlankhorst | 14:f83354387756 | 20 | /* Finally, send all channels to the PC at once */ |
vsluiter | 11:ce72ec658a95 | 21 | scope.send(); |
vsluiter | 2:e314bb3b2d99 | 22 | } |
vsluiter | 0:32bb76391d89 | 23 | |
vsluiter | 0:32bb76391d89 | 24 | int main() |
vsluiter | 0:32bb76391d89 | 25 | { |
tomlankhorst | 14:f83354387756 | 26 | /**Attach the 'sample' function to the timer 'sample_timer'. |
tomlankhorst | 14:f83354387756 | 27 | * this ensures that 'sample' is executed every... 0.002 seconds |
vsluiter | 4:8b298dfada81 | 28 | */ |
tomlankhorst | 14:f83354387756 | 29 | sample_timer.attach(&sample, 0.002); |
tomlankhorst | 14:f83354387756 | 30 | |
tomlankhorst | 14:f83354387756 | 31 | /*empty loop, sample() is executed periodically*/ |
tomlankhorst | 14:f83354387756 | 32 | while(1){} |
vsluiter | 0:32bb76391d89 | 33 | } |