Diff: main.cpp

Revision:

1:00fe5bf692b4

Parent:

0:d034cdad5b6d

diff -r d034cdad5b6d -r 00fe5bf692b4 main.cpp
--- a/main.cpp	Thu May 30 08:26:56 2019 +0000
+++ b/main.cpp	Sat Jun 06 17:00:06 2020 +0000
@@ -1,28 +1,39 @@
 #include "mbed.h"
-#include <SoftSerial.h>
 
-Serial ble(A4,A5);
-AnalogIn flowIn(A2);
+Serial ttl(PC_12,PD_2);
+AnalogIn flowIn(PA_1);
 
 float flowVal1;
 float flowVal2;
 float Pressure;
+
 float finalflow;
-
-float flow()
-{
+float flow(){
    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;
-
+          //finalflow=(0.3425*sqrt(Pressure))-0.198; //flow in litter per min
+          //finalflow= (-6.12e-5)*(Pressure)*(Pressure) + (2.98e-2)*Pressure - 8.83e-2;
+          return Pressure;
 }
 
 int main(){       
-ble.baud(9600);
+ttl.baud(115200);
+
+    ttl.printf("$");//enter command mode only for rn
+    wait(0.1);
+    ttl.printf("$$");//enter command mode
+    wait(0.5);
+    ttl.printf("SN,Flow Calibration\r");//set new name
+    wait(0.5);
+    ttl.printf("SS,C0\r");//set transparent uart
+    wait(0.5);
+    ttl.printf("---\r");//enter data mode
+    wait(0.5);
+    
     while(1){
-        ble.printf("E2.7, %f, 3.3\n", flow());     
+        ttl.printf("%f\n", flow());    
+        wait(0.1); 
         } 
 
 }