V001. 2017_11_30 10:21 Working code from Tuesday's lab session.
Fork of 2017_11_28_ELEC347_Coursework by
DSP Coursework ELEC347 2017-2018 Group members: Matthew Thewsey, Thomas Morris, Samuel Waggett, Christopher Hills .
main.cpp
- Committer:
- mwthewsey
- Date:
- 2017-11-28
- Revision:
- 2:f6e49378dd8a
- Parent:
- 1:b088b771a591
- Child:
- 3:36d6642c2c45
File content as of revision 2:f6e49378dd8a:
#include "mbed.h" #include "rtos.h" #include "Filter.hpp" unsigned short ADC_DATA; //Init values for difference equation //MBED Class Instances follows DigitalOut SampLED(LED1); //Digital Output (GREEN LED is PB_3, D13 You can use an Oscilloscope on This pin to confirm sample rate) AnalogIn Ain(PA_1); //Analog Input (Signal Input 0 to +3 Volts) AnalogOut Aout(PA_4); //Analog Output (Signal Input 0 to +3 Volts) Ticker sample_timer; Thread T1; Thread T2; float input = 0.0; FILTER BP_filter(48000,10,16,1600); //Create object of type Filter(Fs,Fo,Boost,Q) void sampler(void); int main() { BP_filter.Define_Filter(); float sample_rate = (1.0/35000) ; sample_timer.attach(&sampler,sample_rate);; while(1) { } } void sampler(void) { SampLED = 1; //LED Indicates start of sampling input = Ain; BP_filter.setvalue(input); //Input ADC. N.B. ADC in MBED is 0.0 to 1.0 float!!!!!! Aout = BP_filter.getvalue(); SampLED = 0; //LED Indicates end of sampling }