Revision 5:9b8f87a5a415, committed 2021-01-28

Comitter:

ogore

Date:

Thu Jan 28 19:09:05 2021 +0000

Parent:

4:b6d479319713

Commit message:

jan 2th

Changed in this revision

diff -r b6d479319713 -r 9b8f87a5a415 main.cpp
--- a/main.cpp	Sat Jan 23 19:44:03 2021 +0000
+++ b/main.cpp	Thu Jan 28 19:09:05 2021 +0000
@@ -1,34 +1,28 @@
- 
-#include "mbed.h" // Include the library of Mbed
-#include "C12832.h"  // Include the library of the specific LCD
+#include "mbed.h"
+#include "C12832.h"
 #include "Sht31.h"
 
-
 DigitalOut blueled(p17, 0); // Initializing the yellow light OFF 
 DigitalOut redled(p15, 0); // Initializing the red light OFF 
 DigitalOut whiteled(p19, 0); // Initializing the red light OFF 
 C12832 lcd(SPI_MOSI, SPI_SCK, SPI_MISO, p8, p11); // create an instance of LCD
+Sht31 sht31(I2C_SDA, I2C_SCL);
 DigitalIn switchmode(p24);
 InterruptIn button(p20);
 int i=0;
-int difference=0;
-int endtime;
-int starttime;
 int k=0;
 int maxtopics=5;
 int d=1;
+Timer t;
+time_t rise_seconds;
+time_t fall_seconds;
+int duration;
 //initialize topics, summaries and welcome message
-const char *myArray[5][2] = { { "ID", "ASSIGNING OF IDENTIFICATION CARDS TO CITIZENS1" }, { "VISA", "PROVISIONING OF VISA TO FOREIGNERS" },
+const char *myArray[5][2] = { { "ID", "ASSIGNING OF IDENTIFICATION CARDS TO CITIZENS" }, { "VISA", "PROVISIONING OF VISA TO FOREIGNERS" },
 {"PASSPORT"," PASSPORT ASSIGNMENT TO APPLICANTS"},{ "BIRTH CERTIFICATE","APPLICATION OF BIRTH REGISTRATION"},
 {"DRIVING LICENSES","APPLICATION AND PROVISIONING OF DRIVING LINCENCE"}};
  char welcome_message[]="Center for Government Services";
-//function for white led blinking every second
-      void blink(){
-      whiteled=1;
-      wait(1);
-      whiteled=0;
-      wait(1);
-      }
+
 //function for displaying message
 static void display(const char *message) {
     lcd.cls();  // Clear LCD
@@ -36,36 +30,36 @@
     lcd.printf(message); // Write text into LCD buffer
     lcd.copy_to_lcd();
 }
-void buttonpress()
- {
-     difference=0;
-    set_time(1256729737);
-    time_t seconds = time(NULL);
-    starttime = (unsigned int)seconds; 
-    printf(" %d",starttime);
-     while(button==1 && difference<=3)
-     {
-         wait(1);
-    time_t seconds2 = time(NULL);
-    endtime = (unsigned int)seconds2; 
-    printf(" %d",endtime);
-    difference=endtime-starttime;
-     }
-    difference=(difference*difference)/difference;
-    if(difference>3)
+void fallISR() {
+    t.start();
+    fall_seconds = time(NULL);
+ }
+void riseISR()
+{
+    t.stop();
+    rise_seconds = time(NULL);
+    duration = rise_seconds-fall_seconds; 
+   //printf("\nthe duration is %d",duration); 
+          if(duration>3)
     {
         d=d*-1;
     }
-   printf("\nthe difference is %d",difference);   
- }
- void buttonrelease()
- {
-if(difference<=3)
+        i=i+d;
+}
+ //function to display topic and summary*/
+void display_message(const char *topic,const char *summary, int i)
 {
-    k=0;
-    i=i+d;
+    
+    display(topic);
+    wait(1);
+    display(summary); 
 }
-if(d<0)
+ //function for mode two
+void Reading()
+{
+    while(switchmode)
+    {
+    if(d<0)
     {
     redled=1;
     blueled=0; 
@@ -75,45 +69,17 @@
      blueled=1;
     redled=0;
      } 
-     }
-
- //function to display topic and summary*/
-void display_message(const char *topic,const char *summary, int i)
-{
-    
-        display(topic);
-        wait(1);
-        display(summary); 
-        //for loop helps read how long a summary is open using a k value
-        
-}
+    k=k+1;
 
- //function for mode two
-void Reading()
-{
-
-    set_time(1);
-    button.rise(&buttonpress);
-    button.fall(&buttonrelease);
-    printf("entered mode two\n");
-    wait(2);
-       
-while(switchmode)
-{
-     k=k+2;
-       //call dispay of topic that will display according to value of i
-       //value of i is  determined by myDuration
-
- if(i==0 || i>4)
+    if(i==0 || i>4)
     {
         //in ascending order if i goes above 4 display myArray[0][0]
         //if i>4 make i =0
         i=0;
     }
- 
-else if(i==4 || i<0 )
-//in descending order if i goes below zero display myArray[4][0]
-//if i<0 make i=4
+    else if(i==4 || i<0 )
+    //in descending order if i goes below zero display myArray[4][0]
+    //if i<0 make i=4
     {
         i=4;
     }
@@ -121,46 +87,45 @@
     if(k>4)
     {
     printf("\n topic ID is=%d and reading duration is %d seconds",i,k);
+    k=0;
     }
     wait(1);
-}
-}
-
-void looping()
-{
-
-    blink();//white led blinks every second
-     time_t seconds = time(NULL);
+    }
+    !switchmode;
 
-        //float temp = sht31.readTemperature(); //read temperature
-        lcd.locate(5, 5); // get cursor to position x=5px and y=5px
-      // lcd.printf("Current Temperature: %.2fC",temp);//display temp
-    lcd.locate(5, 5); // get cursor to position x=5px and y=5px
-        lcd.printf("Current Time in seconds is: %u",(unsigned int)seconds); //display time
-        wait(3);
-while(i<maxtopics)
-{
+}
+void looping()
+    {    
         while(!switchmode)
         {
-             if(i==0 || i>4)
-    {
-        //in ascending order if i goes above 4 display myArray[0][0]
-        //if i>4 make i =0
-        i=0;
+   i=0;
+   time_t seconds = time(NULL);
+    float temp = sht31.readTemperature(); //read temperature
+    lcd.locate(5, 5); // get cursor to position x=5px and y=5px
+    lcd.printf("Current Temperature: %.2fC",temp);//display temp
+    lcd.locate(5, 5); // get cursor to position x=5px and y=5px
+    lcd.printf("Current Time in seconds is: %d",(unsigned int)seconds); //display time
+    //wait(3);
+        while(i<maxtopics)
+        {
+            whiteled=1;
+        //with the value of i, when you enter mode two you see summary of the topic displayed when you entered mode two
+        display(myArray[i][0]);
+        whiteled=0;
+        i++;
+        wait(2);
+        }
+        Reading();
+        wait(1);
+        }
+        
     }
-      //with the value of i, when you enter mode two you see summary of the topic displayed when you entered mode two
-    display(myArray[i][0]);
-    i++;
-    wait(2);
-    }
-    Reading();
-wait(1);
-}   
-}
+
 int main()
 {
-display(welcome_message);//show welcome message
-
-looping();
+    set_time(1256729737);
+    button.fall(&fallISR);
+    button.rise(&riseISR);
+    display(welcome_message);//show welcome message
+    looping();
 }
-