Revision 0:4965eb440b44, committed 2021-02-10

Comitter:

magidimisi

Date:

Wed Feb 10 10:18:23 2021 +0000

Commit message:

Electronic water meter

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Comms.lib	Wed Feb 10 10:18:23 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/Armand/code/Comms/#7d01a895b45d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 10 10:18:23 2021 +0000
@@ -0,0 +1,335 @@
+/*##########################################################################################
+
+Program Name    : ex1_HC06_leds
+Author          : Grant Phillips
+Date Modified   : 12/05/2016
+Compiler        : ARMmbed
+Tested On       : STM32F4-Discovery
+Discription     : I used some of the program to develop mine Elecrtonic Householder Water Meter
+##############################################################################################*/
+///////////////////////DECLARING LIBRIES////////////////////////////////////////////////////////
+
+#include "mbed.h"
+//////////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////DECLARING BLUETOOTH MODULE PINS//////////////////////////////////////////////////////
+
+Serial bt(PC_10, PC_11);      //create a Serial object to connect to the HC05 Bluetooth module
+//        tx  , rx 
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////DECLARING SOLAR PANEL TRANSISTOR'S OPARATIONAL PINS///////////////////////////////////////////////////////////////////////////////////
+
+DigitalOut Q1(PA_10);       // Solar Panel Forward bias (Q1)transistor for the posistive leg
+DigitalOut Q2(PB_3);        // Solar Panel Voltage testing loop forward bias Q2 for the positive leg of the loop
+DigitalOut Q3(PB_5);        // Solar Panel Voltage testing loop forward bias Q3 for the negetive leg of the loop back to the Solar
+DigitalOut Q4(PB_4);        // Solar Panel Forward bias (Q4)transistor for the negetive leg
+AnalogIn SolarVolt(PC_0);   // Solar Panel supply Voltage
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+    
+ //////////////////////////////DECLARING HYDRO GENERATION TRANSISTOR'S OPARATIONAL PINS///////////////////////////////////////////
+ 
+DigitalOut Q5(PB_13);       //Hydro Generator Forward bias Q5 transistor for the posistive leg
+DigitalOut Q6(PB_14);       //Hydro Generator Voltage testing loop bias Q6 for the positive leg of the loop
+DigitalOut Q7(PB_15);       //Hydro Generator Voltage testing loop bias Q7 for the negetive leg of the loop back to the hydro
+DigitalOut Q8(PB_2);        //Hydro Generator Forward bias Q8 transistor nfor the egetive leg
+AnalogIn HydroVolt(PC_1);   //Hydro Generator supply Voltage
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+   
+//////////////////////////////DECLARING FAN TRANSISTOR'S PIN///////////////////////////////////////////
+
+DigitalOut Q9(PC_6);        // Forward bias to keep the fan on
+////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////DECLARING WATER VALVE TRANSISTOR'S PIN//////////////
+
+DigitalOut Q10(PC_8);       // Forward bias to keep the valve open
+/////////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////DECLARING BATTERY TRANSISTOR'S OPARATIONAL PINS/////////////////////////////////////////////////
+
+DigitalOut Q11(PB_8);       // Battery Voltage testing loop bias Q11 for the positive leg of the loop
+DigitalOut Q12(PC_9);       // Battery Voltage testing loop biasing Q12 for the negative leg of the loop down to nuetral of the load
+AnalogIn BatVolt(PA_4);   // Battery Panel supply Voltage
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////DECLARING WATER METER TRANSISTOR'S OPARATIONAL PIN///////////////////////////////////
+
+AnalogIn Met(PA_1);     // Water meter
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+////////DECLARING WATER SENSOR TRANSISTOR'S OPARATIONAL PIN///////////////////////////////
+AnalogIn Sen(PA_0);     //Water Sensor
+//////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////DECLARING WATER METER VARABLE//////////////////////////////////
+
+double METER;          // Water Meter varable that posses a the current Kiloliter value
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+
+////////////IT'S A SUB PROGRAM THAT CLOSES THE WATER VALVE/////////////
+void ClosedValve()
+      { 
+      Q10 = 0;
+      }
+////////////////////////////////////////////////////////////////////
+
+///////////////////////IT'S A SUB PROGRAM THAT OPENS THE WATER VALVE////////////////////////
+void OpenValve ()
+                {
+               Q10 = 1;
+                }
+////////////////////////////////////////////////////////////////////////
+
+/////////////////IT'S A SUB PROGRAM THAT COMPARES THE WATER METER AND THE WATER SENSOR VALUES THAT ARE EQUAL///////////////
+void Water_Valve ()
+  {
+     while (1)
+            {
+                if (Met.read_u16() != Sen.read_u16())
+                {
+                    ClosedValve();
+                    wait (0.2);
+                }
+                else 
+                {
+                        OpenValve ();
+                }
+            }
+   }
+///////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////NORMAL OPARATIONS SUB PROGRAM WHICH BIAS THE TRANSISTORS//////////////////
+
+void Normal()               // When every thing is running normal
+{
+    Q1 = 1;
+    Q2 = 0;
+    Q3 = 0;
+    Q4 = 1;
+    Q5 = 1;
+    Q6 = 0;
+    Q7 = 0;
+    Q8 = 1;
+    Q9 = 1;
+  Water_Valve ();
+    Q11 = 0;
+    Q12 = 0;
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////IT'S A SUB PROGRAM OF THE WATER SENSOR OPARATION////////////////////////////////////////////////////////////////
+void Water_Sensor()
+{
+
+uint16_t senval;     //Declare variable to store the water analog value after conversion - 16-bit
+uint32_t senval_sum; //Declare variable to store the water analog value sum in loop - 32-bit
+double senkvolt;      //Declare 64-bit floating point data type to store water analog killovoltage value
+   
+    while(1)    
+    {
+    //read the 16-bit value from the analog pin,  The STM32F4-Trainer only supports 12-bit A/D (0 - 4095),
+        senval = Sen.read_u16();     //but the read_u16 function converts it to a 16-bit value (0 - 65535)
+        senval_sum = senval_sum + senval;      //Add every analog reading to the sum variable
+
+    //calculate the voltage from the 16-bit value
+         senkvolt = ((double)senval_sum* 0.00158) / 65535.0 * 3.3; //cast analogval to a double data type for formula to store result as double
+        // 1 Volt = 1.58 litres then one kilolitres is 1580 acording to kyleconvert.com
+        wait (0.2);
+        }
+}
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////IT'S A SUB PROGRAM OF THE WATER METER OPARATION///////////////////////////////////////////////////////////////
+void Water_Readings()
+{
+
+uint16_t watval;     //Declare variable to store the water analog value after conversion - 16-bit
+uint32_t watval_sum; //Declare variable to store the water analog value sum in loop - 32-bit
+double watkvolt;      //Declare 64-bit floating point data type to store water analog killovoltage value
+ 
+while(1)
+    {
+    //read the 16-bit value from the analog pin,  The STM32F4-Trainer only supports 12-bit A/D (0 - 4095),
+        watval = Met.read_u16();     //but the read_u16 function converts it to a 16-bit value (0 - 65535)
+        watval_sum = watval_sum + watval;      //Add every analog reading to the sum variable
+   
+    //calculate the voltage from the 16-bit value
+         watkvolt = ((double)watval_sum * 0.00158) / 65535.0 * 3.3; //cast analogval to a double data type for formula to store result as double
+        // 1 Volt = 1.58 litres then one kilolitres is 1580 acording to kyleconvert.com
+        METER = watkvolt;    
+        bt.printf(" %2.3f Volts \n", watkvolt); 
+        wait (0.2);
+        Normal ();
+    }
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////IT'S A SUB PROGRAM THAT TEST THE SOLAR PANNEL'S VOLTAGE VALUE/////////////////////////////////////////////
+
+void Test_Solar()       //The loop to test the Solar Panel's voltage
+{
+    Q1 = 0;
+    Q2 = 1;
+    Q3 = 1;
+    Q4 = 0;
+    Q5 = 1;
+    Q6 = 0;
+    Q7 = 0;
+    Q8 = 1;
+    Q9 = 1;
+   
+    Q11 = 0;
+    Q12 = 0;
+    
+    uint16_t solval;     //Declare variable to store analog value after conversion - 16-bit
+    double solvolt;      //Declare 64-bit floating point data type to store analog voltage value
+    
+        while (1)
+        
+        {
+            //read the 16-bit value from the analog pin,  The STM32F4-Trainer only supports 12-bit A/D (0 - 4095),
+            solval = SolarVolt.read_u16();     //but the read_u16 function converts it to a 16-bit value (0 - 65535)
+          
+            //calculate the voltage from the 16-bit value
+            solvolt = ((double)solval*5.9613) / 65535.0 * 3.3; //cast analogval to a double data type for formula to store result as double
+            //5.9613 convert the voltage value to equeal the supply
+            bt.printf("%2.3f Volts \n", solvolt);  
+            wait (5);
+            Normal ();
+        }
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////IT'S A SUB PROGRAM THAT TEST THE HYDRO GENERATOR'S VOLTAGE VALUE///////////////////////////////////////////////
+
+void Test_Hydro()       // the loop to test the Hydro Generator's voltage
+{
+    Q1 = 1;
+    Q2 = 0;
+    Q3 = 0;
+    Q4 = 1;
+    Q5 = 0;
+    Q6 = 1;
+    Q7 = 1;
+    Q8 = 0; 
+    Q9 = 1;
+    
+    Q11 = 0;
+    Q12 = 0;
+    
+    uint16_t hydval;     //Declare variable to store analog value after conversion - 16-bit
+    double hydvolt;      //Declare 64-bit floating point data type to store analog voltage value
+    
+        while (1)
+        
+        {
+            //read the 16-bit value from the analog pin,  The STM32F4-Trainer only supports 12-bit A/D (0 - 4095),
+            hydval = HydroVolt.read_u16();     //but the read_u16 function converts it to a 16-bit value (0 - 65535)
+          
+            //calculate the voltage from the 16-bit value
+            hydvolt = ((double)hydval * 5.9613) / 65535.0 * 3.3; //cast analogval to a double data type for formula to store result as double
+            //5.9613 convert the voltage value to equeal the supply
+            bt.printf("%2.3f Volts \n", hydvolt); 
+            wait (5);
+            Normal();
+        }          
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////IT'S A SUB PROGRAM THAT TEST THE 12 VOLTS BATTERY'S VOLTAGE VALUE/////////////////////////////////////////////
+void Test_Battery()         // The loop to test the battery's voltage
+{
+    Q1 = 0;
+    Q2 = 0;
+    Q3 = 0;
+    Q4 = 0;
+    Q5 = 0;
+    Q6 = 0;
+    Q7 = 0;
+    Q8 = 0;
+   
+    Q9 = 0;
+    Q11 = 1;
+    Q12 = 1;
+    
+uint16_t battval;     //Declare variable to store analog value after conversion - 16-bit
+double battvolt;      //Declare 64-bit floating point data type to store analog voltage value
+while (1)
+    {
+    //read the 16-bit value from the analog pin,  The STM32F4-Trainer only supports 12-bit A/D (0 - 4095),
+        battval = BatVolt.read_u16();     //but the read_u16 function converts it to a 16-bit value (0 - 65535)
+
+    //calculate the voltage from the 16-bit value
+         battvolt = ((double)battval * 5.9613) / 65535.0 * 3.3; //cast analogval to a double data type for formula to store result as double
+        // 5.9613 convert the voltage value to equeal the supply
+        bt.printf(" %2.3f Volts \n", battvolt); 
+        wait (5);
+        Normal ();
+    } 
+}
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+////////////////////////////DECLARATION OF INCOME MESSAGE AS A CHARACTORS THAT COMES FROM THE PHONE APP//////////////////////////////////////
+
+char btmsg[50];             //incoming message string
+int btmsg_counter = 0;      //character position counter in the message string
+int new_btmsg = 0;          //flag to indicate if a new complete message was received
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+////////////////////////////////IT'S A SUB PROGRAM THAT INTERRUPT THE ROUTINE WHEN A NEW CHARACTER ARRIVES/////////////////////////////////////////////
+void btinterrupt() 
+{    
+    char c;                                     // declare the c as a charactor
+    
+    c = bt.getc();                              //read the incoming character
+    if(c == '\n')                              //if it is the terminating character
+       {
+        if(btmsg[btmsg_counter - 1] == '\r')
+            btmsg[btmsg_counter - 1] = '\0';
+        else
+            btmsg[btmsg_counter] = '\0';
+        new_btmsg = 1;                          //enable the new message flag to indicate a COMPLETE message was received
+        btmsg_counter = 0;                      //clear the message string
+        }
+    else 
+        {
+        btmsg[btmsg_counter] = c;               //add the character to the message string
+        btmsg_counter++;                        //move to the next character in the string
+        }   
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////THE MAIN PROGRAM WHERE IT WILL CALL ALL THE SUB PROGRAM//////////////////////////////////////////////
+int main() {
+    bt.attach(&btinterrupt);        //if a new character arrives, call the interrupt service routine
+   
+    while(1) { 
+        Normal ();
+        Water_Readings ();
+        Water_Valve ();
+        if(new_btmsg) {                                     //check if there is a new message
+            if(strcmp(btmsg, "SolarON") == 0)              //message for SolarOn is ON
+                Test_Solar();  
+            else if(strcmp(btmsg, "HydrON") == 0)            //message for HydroOn is ON
+               Test_Hydro() ;
+            else if(strcmp(btmsg, "BatteryON") == 0)           //message for BatteryON is ON
+                Test_Battery();
+            else if(strcmp(btmsg, "WaterON") == 0)          //message for WaterOn is ON
+              bt.printf("%2.3f Kl \n",METER);
+            else if(strcmp(btmsg, "ValveOPEN") == 0)         //message for for ValveOpen is ON
+               OpenValve();
+            else if(strcmp(btmsg, "ValveClosed") == 0)         //message for for ValveClosed is ON
+               ClosedValve();
+            else
+                bt.printf("Incorrect command\n");           //Reply incorrect command
+                
+            new_btmsg=0;                                    //clear message flag
+        }
+    }
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Feb 10 10:18:23 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file