Matthew Thewsey / Mbed 2 deprecated ELEC347_Coursework_NonVariable

Non-variable (TESTEDandWORKING)

Dependencies:   mbed-rtos mbed

Fork of ELEC347_Coursework by CMST

main.cpp@2:f6e49378dd8a, 2017-11-28 (annotated)

Committer:
mwthewsey
Date:
Tue Nov 28 09:51:30 2017 +0000
Revision:
2:f6e49378dd8a
Parent:
1:b088b771a591
Child:
3:36d6642c2c45
Working Working version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mwthewsey 0:d39a06ca6bf1 1 #include "mbed.h"
mwthewsey 0:d39a06ca6bf1 2 #include "rtos.h"
mwthewsey 0:d39a06ca6bf1 3 #include "Filter.hpp"
mwthewsey 0:d39a06ca6bf1 4 unsigned short ADC_DATA;
mwthewsey 0:d39a06ca6bf1 5
mwthewsey 0:d39a06ca6bf1 6 //Init values for difference equation
mwthewsey 0:d39a06ca6bf1 7 //MBED Class Instances follows
mwthewsey 0:d39a06ca6bf1 8 DigitalOut SampLED(LED1); //Digital Output (GREEN LED is PB_3, D13 You can use an Oscilloscope on This pin to confirm sample rate)
mwthewsey 0:d39a06ca6bf1 9
mwthewsey 0:d39a06ca6bf1 10 AnalogIn Ain(PA_1); //Analog Input (Signal Input 0 to +3 Volts)
mwthewsey 0:d39a06ca6bf1 11 AnalogOut Aout(PA_4); //Analog Output (Signal Input 0 to +3 Volts)
mwthewsey 0:d39a06ca6bf1 12
mwthewsey 0:d39a06ca6bf1 13 Ticker sample_timer;
mwthewsey 0:d39a06ca6bf1 14 Thread T1;
mwthewsey 0:d39a06ca6bf1 15 Thread T2;
mwthewsey 0:d39a06ca6bf1 16
mwthewsey 2:f6e49378dd8a 17 float input = 0.0;
mwthewsey 2:f6e49378dd8a 18 FILTER BP_filter(48000,10,16,1600); //Create object of type Filter(Fs,Fo,Boost,Q)
mwthewsey 2:f6e49378dd8a 19
mwthewsey 0:d39a06ca6bf1 20
mwthewsey 0:d39a06ca6bf1 21 void sampler(void);
mwthewsey 0:d39a06ca6bf1 22
mwthewsey 0:d39a06ca6bf1 23
mwthewsey 0:d39a06ca6bf1 24 int main()
mwthewsey 0:d39a06ca6bf1 25 {
mwthewsey 0:d39a06ca6bf1 26
mwthewsey 2:f6e49378dd8a 27 BP_filter.Define_Filter();
mwthewsey 0:d39a06ca6bf1 28 float sample_rate = (1.0/35000) ;
mwthewsey 2:f6e49378dd8a 29 sample_timer.attach(&sampler,sample_rate);;
mwthewsey 0:d39a06ca6bf1 30
mwthewsey 0:d39a06ca6bf1 31 while(1) {
mwthewsey 2:f6e49378dd8a 32
mwthewsey 0:d39a06ca6bf1 33 }
mwthewsey 0:d39a06ca6bf1 34 }
mwthewsey 0:d39a06ca6bf1 35
mwthewsey 0:d39a06ca6bf1 36
mwthewsey 0:d39a06ca6bf1 37 void sampler(void)
mwthewsey 0:d39a06ca6bf1 38 {
mwthewsey 0:d39a06ca6bf1 39
mwthewsey 0:d39a06ca6bf1 40 SampLED = 1; //LED Indicates start of sampling
mwthewsey 0:d39a06ca6bf1 41
mwthewsey 2:f6e49378dd8a 42 input = Ain;
mwthewsey 0:d39a06ca6bf1 43 BP_filter.setvalue(input); //Input ADC. N.B. ADC in MBED is 0.0 to 1.0 float!!!!!!
mwthewsey 0:d39a06ca6bf1 44 Aout = BP_filter.getvalue();
mwthewsey 0:d39a06ca6bf1 45
mwthewsey 0:d39a06ca6bf1 46
mwthewsey 0:d39a06ca6bf1 47 SampLED = 0; //LED Indicates end of sampling
mwthewsey 0:d39a06ca6bf1 48 }
mwthewsey 0:d39a06ca6bf1 49