Diff: general_control.cpp

Revision:

1:924bead61d21

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/general_control.cpp	Tue Jun 27 20:54:33 2017 +0000
@@ -0,0 +1,138 @@
+#include "TextLCD.h"
+#include "general_control.h"
+#include "temp.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
+TextLCD lcd(p25, p26, p24, p23, p22, p21); // rs, e, A4-A7
+InterruptIn rfl_swt(p6), rsm_htr(p5);                                           //Refill switch, resume heater
+DigitalOut led1(p28), led2(p29), buzzer(p30);                                   //led1 (Green-normal operation), led2 (under/overflow), buzzer
+
+
+int bC, pw_csv, sw_csv, pwTC, pwTV, swTC, swTV;                                 //Beaker Capacity, Current syringe pure water volume (ml), Current syringe salted water volume (ml),
+                                                                                //Pure water tank capacity (ml), Pure water tank volume (ml), Salted water tank capacity (ml), Salted water tank volume (ml)
+float cbV, air_temp;                                                            //Current beaker volume (ml), air temperature (celcius)
+bool rfl_flag, htr_suspension, vol_state, sal_suspension;                       //Refill flag, heater suspension flag, state of mixture's volume
+
+//Interrupt handlers
+void refill() {
+    rfl_flag = true;
+}
+
+void resume_operations() {
+    htr_suspension = false;
+    sal_suspension = false;
+}
+
+void change_volume() {
+    char buf[6];
+    pc.gets(buf, 6);                                                        //Get the extra/less volume
+    cbV += (float) atoi(buf);                                                       //Apply the change in volume
+    pc.printf("I recieved %s at the change volume function\n", buf);
+    capacity_control();                                                     //Check for over/underflow  
+}
+
+
+//Initialization Functions
+void set_bC() {
+    char str[6];
+    pc.gets(str, 6);                                                            //Get the extra/less volume
+    bC = atoi(str);
+    pc.printf("Mbed received beaker's capacity: %d ml\n", bC);
+}
+
+void set_cbV() {
+    char str[6];
+    pc.gets(str, 6);
+    cbV = atof(str);
+    pc.printf("Mbed received current beaker's volume: %.3f ml\n", cbV);
+}
+ 
+void set_pwTC() {
+    char str[6];
+    pc.gets(str, 6);
+    pwTC = atoi(str);
+    pc.printf("Mbed received pure water tank's capacity: %d ml\n", pwTC);
+}
+ 
+void set_pwTV() {                                                                    //Set pure water tank volume 
+    char str[6];
+    pc.gets(str, 6);
+    pwTV = atoi(str);
+    pc.printf("Mbed received pure water tank's volume: %d ml\n", pwTV);
+ 
+}
+ 
+void set_swTC() {
+    char str[6];
+    pc.gets(str, 6);
+    swTC = atoi(str);
+    pc.printf("Mbed received pure water tank's capacity: %d ml\n", swTC);
+}
+ 
+void set_swTV() {
+   char str[6];
+    pc.gets(str, 6);
+    swTV = atoi(str);
+    pc.printf("Mbed received pure water tank's volume: %d ml\n", swTV);
+}
+
+
+void initialization() {
+    buzzer = 0;                                                                 //Silence buzzer
+    pw_csv = SDC;                                                               //Syringes start with 25ml deploying water capacity
+    sw_csv = SDC;
+    vol_state=true;                                                             //Assume normal starting state
+    rfl_flag = false;                                                           //Not refilling atm
+    htr_suspension = false;                                                     //No heater suspension
+    sal_suspension = false;                                                     //No salinity operations suspended
+    rfl_swt.rise(&refill);                                                      //Attach refill switch to respective function
+    rsm_htr.rise(&resume_operations);                                           //Attach resume operations
+    set_bC();                                                                   //Set the beaker capacity
+    set_cbV();                                                                  //Set current beaker volume
+    set_pwTC();                                                                 //Set pure water tank capacity
+    set_pwTV();                                                                 //Set pure water tank volume
+    set_swTC();                                                                 //Set salted water tank capacity
+    set_swTV();                                                                 //Set salted water tank volume
+    air_temp = take_air_temp();
+    pc.printf("air temp = %.3f\n", air_temp);
+    pc.attach(change_volume);                                                   //extra/less volume in the beaker
+    pc.printf("Initialization completed!\n");
+}
+
+void normality_test(bool sal_state, bool temp_state){
+    if (sal_state && temp_state && vol_state) {led1=1; led2=0; pc.printf("Normal operation\n");}
+    else {led1=0; led2=1;}     
+}
+
+void danger() {
+    led2 = 1; //switch the led on, by setting the output to logic 1
+    wait(0.1); //wait 0.2 seconds
+    led2 = 0; //switch the led off
+    wait(0.1);
+    buzzer = 1;
+    wait(0.1);
+    buzzer = 0; 
+    wait(0.1);
+}
+
+void capacity_control() {
+    if (cbV > bC*BHC) {
+        lcd.cls();
+        lcd.printf("CBV > 80%% Cap.");
+        lcd.printf("\nAbort operation!");
+        while(1) {
+            pc.printf("Overflow danger! Current Beaker Volume over 80%% capacity!\nABORT OPERATION!");
+            danger();
+        }
+    }
+    if (cbV < bC*BLC) {
+        lcd.cls();
+        lcd.printf("CBV < 20%% Cap.");
+        lcd.printf("\nAbort operation!");
+        while(1) {
+            pc.printf("Underflow danger! Current Beaker Volume under 20%% capacity!\nABORT OPERATION!");
+            danger();   
+        }     
+    }
+    pc.printf("Everythink OK with capacity control\n");
+}
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