Diff: main.cpp

Revision:

0:a0dff6b0bde0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Apr 15 23:31:44 2020 +0000
@@ -0,0 +1,184 @@
+#include "mbed.h"
+#include "Nextion.h"
+ 
+Serial Display(PA_0, PA_1, 115200); //tx, rx, baud
+
+int test = 0;
+int CurrentPage = 0;
+int temperature = 50;
+int voltage = 116;
+
+//Page 0 
+NexButton b0 = NexButton(0, 1, "b0");   //Race
+NexButton b1 = NexButton(0, 2, "b1");   //Test
+
+//Page 1
+NexButton b2 = NexButton(1, 5, "b0");   //Back
+NexText t0 = NexText(1, 3, "t2");        //Temperature
+NexText t1 = NexText(1, 4, "t3");        //Voltage
+
+//Page 2
+NexButton b3 = NexButton(2, 1, "b0");   //Back
+NexText t2 = NexText(2, 2, "t0");        //test
+
+//Declare Pages
+NexPage page0 = NexPage(0, 0, "page0");  // Page added as a touch event
+NexPage page1 = NexPage(1, 0, "page1");  // Page added as a touch event
+NexPage page2 = NexPage(2, 0, "page2");  // Page added as a touch event
+
+//End of declaring objects
+
+
+// Declare touch event objects to the touch event list: 
+// You just need to add the names of the objects that send a touch event.
+// Format: &<object name>,
+
+NexTouch *nex_listen_list[] = 
+{
+  &b0,  // Button added
+  &b1,  // Button added
+  &b2,  // Button added
+  &b3,  // Button added
+  &page0,  // Page added as a touch event
+  &page1,  // Page added as a touch event
+  &page2,  // Page added as a touch event
+  NULL  // String terminated
+};  // End of touch event list
+
+
+////////////////////////// Touch events:
+// Each of the following sections are going to run everytime the touch event happens:
+// Is going to run the code inside each section only ones for each touch event.
+
+void b0PushCallback(void *ptr)  // Press event for "Race" button on page 0
+{
+  Display.printf("page 1");  // Sending this it's going to tell the nextion display to go to page 1.
+  Display.putc(0xff);  // We always have to send this three lines after each command sent to the nextion display.
+  Display.putc(0xff);
+  Display.putc(0xff);
+}  // End of press event
+
+
+void b1PushCallback(void *ptr)  // Press event for "Test" button on page 0
+{
+  Display.printf("page 2");  // Sending this it's going to tell the nextion display to go to page 2.
+  Display.putc(0xff);  // We always have to send this three lines after each command sent to the nextion display.
+  Display.putc(0xff);
+  Display.putc(0xff);
+}  // End of press event
+
+void b2PushCallback(void *ptr)  // Press event for "Back" button on page 1
+{
+  Display.printf("page 0");  // Sending this it's going to tell the nextion display to go to page 0.
+  Display.putc(0xff);  // We always have to send this three lines after each command sent to the nextion display.
+  Display.putc(0xff);
+  Display.putc(0xff);
+}  // End of press event
+
+void b3PushCallback(void *ptr)  // Press event for "Back" button on page 2
+{
+  Display.printf("page 0");  // Sending this it's going to tell the nextion display to go to page 0.
+  Display.putc(0xff);  // We always have to send this three lines after each command sent to the nextion display.
+  Display.putc(0xff);
+  Display.putc(0xff);
+}  // End of press event
+
+
+// Page change event:
+void page0PushCallback(void *ptr)  // If page 0 is loaded on the display, the following is going to execute:
+{
+  CurrentPage = 0;  // Set variable as 0 so from now on stm knows page 0 is loaded on the display
+}  // End of press event
+
+
+// Page change event:
+void page1PushCallback(void *ptr)  // If page 1 is loaded on the display, the following is going to execute:
+{
+  CurrentPage = 1;  // Set variable as 1 so from now on stm knows page 1 is loaded on the display
+}  // End of press event
+
+
+// Page change event:
+void page2PushCallback(void *ptr)  // If page 2 is loaded on the display, the following is going to execute:
+{
+  CurrentPage = 2;  // Set variable as 2 so from now on stm knows page 2 is loaded on the display
+}  // End of press event
+
+////////////////////////// End of touch events
+
+
+
+
+
+
+
+int main() {
+    // Register the event callback functions of each touch event:
+    // You need to register press events and release events seperatly.
+    // Format for press events: <object name>.attachPush(<object name>PushCallback);
+    // Format for release events: <object name>.attachPop(<object name>PopCallback);
+    b0.attachPush(b0PushCallback);  // Button press
+    b1.attachPush(b1PushCallback);  // Button press
+    b2.attachPush(b2PushCallback);  // Button press
+    b3.attachPush(b3PushCallback);  // Button press
+    page0.attachPush(page0PushCallback);  // Page press event
+    page1.attachPush(page1PushCallback);  // Page press event
+    page2.attachPush(page2PushCallback);  // Page press event
+    
+    // End of registering the event callback functions
+    
+    
+    
+    while(1){
+        // Send page number to the object called np:
+        // This object (np) exist on every page so at this point we don't need to check which page is loaded on the display.
+        Display.printf("np.val=");  // This is sent to the nextion display to set what object name (before the dot) and what atribute (after the dot) are you going to change.
+        Display.printf("%d", CurrentPage);  // This is the value you want to send to that object and atribute mentioned before.
+        Display.putc(0xff);  // We always have to send this three lines after each command sent to the nextion display.
+        Display.putc(0xff);
+        Display.putc(0xff);
+        
+        if(CurrentPage == 1){
+            temperature++;
+            voltage--;
+            wait(4);
+            if(temperature == 70 || voltage == 0 ){
+                temperature = 50;
+                voltage = 116;
+            } 
+            //temperature        
+            Display.printf("t2.txt");
+            Display.printf("%d", temperature);
+            Display.putc(0xff);
+            Display.putc(0xff);        
+            Display.putc(0xff);
+            
+            //voltage
+            Display.printf("t3.txt");
+            Display.printf("%d", voltage);
+            Display.putc(0xff);
+            Display.putc(0xff);        
+            Display.putc(0xff);
+        }
+        
+        if(CurrentPage == 2){
+            test++;
+            if(test == 100)
+                test = 0;
+            wait(2.0);   
+            
+            //test
+            Display.printf("t0.txt");
+            Display.printf("%d", test);
+            Display.putc(0xff);
+            Display.putc(0xff);        
+            Display.putc(0xff); 
+        }
+        
+        // We are going to check the list of touch events we enter previously to
+        // know if any touch event just happened, and excecute the corresponding instructions:
+
+        nexLoop(nex_listen_list);  // Check for any touch event
+
+    }
+}