AND
hand held final version used for coolterm
Dependencies: mbed SoftSerial
Revision 2:3de0589260d2, committed 2019-07-12
- Comitter:
- mehrnaz
- Date:
- Fri Jul 12 15:59:34 2019 +0000
- Parent:
- 1:08bbc3ecd836
- Commit message:
- handheld final version used for coolterm
Changed in this revision
| flow.h | Show annotated file Show diff for this revision Revisions of this file |
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/flow.h Fri Jul 12 15:59:34 2019 +0000
@@ -0,0 +1,79 @@
+#include "mbed.h"
+
+AnalogIn flowIn(PA_0);
+Serial co2(PC_10,PC_11); //USED IN MAIN
+//Serial ttl(A1,A0);
+
+float finalflow;
+float flowVal1;
+float flowVal2;
+float P1;
+int flag=0;
+int o=0;
+float bpArray[10];
+float fp;float sp;
+float FPressure;
+int value;
+//
+float flow()
+{
+ while(1)
+ {
+ wait(0.01);
+ flowVal1=3.3*flowIn; //Logic level 3.3
+ flowVal2 = 1.5*flowVal1; //5v
+ P1 =(125*flowVal2)-62.5;
+ if(flag==0)
+ {
+ finalflow=0;
+ bpArray[o]=P1;
+ sp+=bpArray[o];
+ o=o+1;
+ if (o=9)
+ {
+ fp=sp/10;
+ flag=1;
+ }
+ }
+ if (flag==1)
+ {
+ FPressure=P1-fp;
+ finalflow=(0.24*sqrt(FPressure)); //flow in litter per min
+ //ttl.printf("Flow: %f\n",finalflow);
+ return finalflow;
+ }
+ }
+}
+
+
+int carbon()
+{
+ bool allow = false;
+ char c;
+ char co2_measure[5];
+ int count=0;
+
+ while(1)
+ {
+ c = co2.getc();
+ if(c=='Z') {
+ allow = true;
+ }
+
+ if(allow) {
+ if(c>=48 && c<=57) {
+ co2_measure[count]=c;
+ count++;
+ }
+
+ if(count>=6) { //NOT SURE IF 5 OR 6
+ value = ((co2_measure[0]-'0')*100000+co2_measure[1]-'0')*10000+(co2_measure[2]-'0')*1000+(co2_measure[3]-'0')*100;
+ //ttl.printf("CO2: %d\n",value);
+ count=0;
+ allow=false;
+ return value;
+ }
+ }
+ }
+}
+
--- a/main.cpp Tue Jun 04 14:48:16 2019 +0000
+++ b/main.cpp Fri Jul 12 15:59:34 2019 +0000
@@ -1,28 +1,171 @@
#include "mbed.h"
-#include <SoftSerial.h>
-
-Serial ble(A4,A5);
-AnalogIn flowIn(A3);
+#include "flow.h"
-float flowVal1;
-float flowVal2;
-float Pressure;
-float finalflow;
+Serial ttl(PA_2,PA_3);
+DigitalOut sol(PC_5);
-float flow()
+int main()
{
- flowVal1=3.3*flowIn; //Logic level 3.3
- flowVal2 = 1.5*flowVal1; //5v
- Pressure =(125*flowVal2)-62.5;
- finalflow=(0.1989*sqrt(Pressure))+0.0284; //flow in litter per min
- return finalflow;
-
-}
-
-int main(){
-ble.baud(9600);
- while(1){
- ble.printf("E2.7, %f, 3.3\n", flow());
- }
-
-}
+ ttl.baud(9600);
+ flow();
+ carbon();
+ int bf=0;
+ int i=0;
+ float bfArray[4];
+ float sf=0;
+ float fv=0;
+ int myArray[9];
+ int measurement_started=0;
+ unsigned int sum=0;
+ long double var=0.0;
+ float sigma=0.0;
+ int difSum=0;
+ unsigned int sum2=0;
+ long double var2=0.0;
+ float sigma2=0.0;
+ int difSum2=0;
+ int avg2=0;
+ int avg=0;
+ int m=0;
+ int flags=0;
+ int flage=0;
+ int solstart=0;
+ int solend=0;
+ int fin=0;
+
+ //float CO_2;
+
+ while(1)
+ {
+ //CO_2=(float)carbon()/10000;
+ ttl.printf("flow: %f, CO2: %d \n",flow(), carbon());
+ if (bf==0)
+ {
+ for(i=0; i<4; i++)
+ {
+ bfArray[i]=flow();
+ sf+=bfArray[i];
+ }
+ fv=sf/4;
+ fv=fv+0.2;
+ ttl.printf("set\n");
+ bf=1;
+ }
+
+ if ((flow()>fv) and (measurement_started ==0))
+ {
+ ttl.printf("ready to detect plateau \n");
+ measurement_started = 1;
+ }
+
+ if ((measurement_started == 1) and (solstart==0))
+ {
+ ttl.printf("starting...\n");
+
+ for(m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ myArray[m]=carbon();
+ }
+ while(flags==0)
+ {
+ for(int m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ sum+=myArray[m];
+ }
+ avg=sum/9;
+ for(int m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ difSum+=(myArray[m]-avg)*(myArray[m]-avg); //Find sum of difference between value X and mean
+ }
+ var=difSum/9;
+ sigma=sqrt(var);
+ if (sigma<0.02)
+ {
+ ttl.printf("sol didnt turn on\n");
+ for(int m=0;m<8;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ myArray[m]=myArray[m+1]; //Shift all carbon to left by 1
+ }
+ myArray[8]=carbon();
+ }else
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ ttl.printf("sol on\n");
+ sol=1;
+ flags=1;
+ }
+ }
+ solend=1;
+ solstart =1;
+ }
+ if ((measurement_started == 1) and (solend==1))
+ {
+ ttl.printf("ending...\n");
+
+ for(m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ myArray[m]=carbon();
+ }
+ while(flage==0)
+ {
+ for(int m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ sum2+=myArray[m];
+ }
+ avg2=sum2/9;
+ for(int m=0;m<9;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ difSum2+=(myArray[m]-avg2)*(myArray[m]-avg2); //Find sum of difference between value X and mean
+ }
+ var2=difSum2/9;
+ sigma2=sqrt(var2);
+ if (sigma2<0.05)
+ {
+ ttl.printf("sol didnt turn on\n");
+ for(int m=0;m<8;m++)
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ myArray[m]=myArray[m+1]; //Shift all carbon to left by 1
+ }
+ myArray[8]=carbon();
+ }else
+ {
+ ttl.printf("Flow: %f, CO2: %d\n",flow(), carbon());
+ ttl.printf("sol off\n");
+ sol=0;
+ flage=1;
+ }
+ }
+ solend =0;
+ bf=0;
+ fin=1;
+ }
+ if((carbon()<10000) and (fin ==1))
+ {
+
+ ttl.printf("ready\n");
+ measurement_started =0;
+ solstart=0;
+ sum=0;
+ var=0.0;
+ sigma=0.0;
+ difSum=0;
+ sum2=0;
+ var2=0.0;
+ sigma2=0.0;
+ difSum2=0;
+ avg2=0;
+ avg=0;
+ flags=0;
+ flage=0;
+ fin=0;
+ }
+ }
+}
\ No newline at end of file