Diff: main.cpp

Revision:

0:98f39b4055ea

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 03 14:29:14 2020 +0000
@@ -0,0 +1,130 @@
+/* A port test of the arduino voltmeter example using the
+4.3' PCT 4d systems touch screen display.
+
+uses the mbed_genie library ported from the arduino
+visie-genie library by Christian B
+
+The display serial TX and RX pins are connected to pin 9
+and pin 10 of the mbed
+
+The reset pin is not connected as reset function is not implemented
+
+Pin 15 of the mbed has a potentiometer wiper connected to it
+The other connections of the potentiometer are connected to +3.3V
+and 0V
+
+For setting up the display in Visie-Genie
+
+The display has an angular meter objecr, a LED digits object, two buttons
+and three static text objects.
+
+The program sends digital voltage readings to the LED digits and
+angular meter of the display module.
+
+The On and Off button has been set to report on change
+
+The baud rate of the display is set to 115200 baud
+
+*/
+
+#include "mbed.h"
+#include "mbed_genie.h"
+
+DigitalOut myled(LED1);   //LED 1 for indication
+
+AnalogIn voltReading(PC_0);  //Potentiometer wiper connected to pin 15
+
+int flag = 0;        //holds the "power status" of the voltmeter. flag = 0 means voltmeter is "off", flag = 1 means the voltmeter is "on".
+float voltMeter;       //holds the digital voltage value to be sent to the angular meter
+float voltLED;         //holds the digital voltage value to be sent to the LED digits
+
+//Event handler for the 4d Systems display
+void myGenieEventHandler(void)
+{
+    genieFrame Event;
+    genieDequeueEvent(&Event);
+    //event report from an object
+    if(Event.reportObject.cmd == GENIE_REPORT_EVENT) {
+        /*
+        for example here we check if we received a message from 4dbuttons objects
+        the index is the button number, refer to the 4dgenie project to know the index
+        */
+        if (Event.reportObject.object == GENIE_OBJ_4DBUTTON) {              // If the Reported Message was from a button
+            if (Event.reportObject.index == 0) {
+                //printf("Off Button pressed!\n\r");
+                wait(0.2);
+                flag=1;
+            }
+            if (Event.reportObject.index == 1) {
+                //printf("On Button pressed!\n\r");
+                wait(0.2);
+                flag=0;
+            }
+        }
+    }
+
+    //Cmd from a reported object (happens when an object read is requested)
+    // if(Event.reportObject.cmd == GENIE_REPORT_OBJ)
+    // {
+
+    // }
+
+}
+
+int main()
+
+{
+    SetupGenie();
+    genieAttachEventHandler(&myGenieEventHandler);
+    //genieResetDisplay();
+
+    printf("Langsters's mbed Visi-Genie Voltmeter demo \n\r");
+
+    //genieWriteContrast(15); //set screen contrast to full brightness
+
+             voltLED = 0.1;
+    while(1) {
+         printf("Test1\n\r");
+        //voltLED = 0;
+
+        if (flag == 1) {
+            //printf("Flag status: %d \r\n", flag);
+         /*   wait (0.1);
+            voltLED = voltReading;
+            wait (0.1);
+            //printf("Volt bit Reading: %f \n\r",voltLED);
+            voltLED = voltLED * 3.3;                                    //convert float reading to voltage
+            //printf("voltLED: %f\r\n",voltLED);
+
+           // voltLED = voltLED * 1000;
+           voltLED = 2.2;
+           printf("voltLED: %f\r\n",voltLED);
+            genieWriteObject(GENIE_OBJ_LED_DIGITS, 0x00, voltLED);      //write to Leddigits0 the value of voltLED
+            //wait (0.1);
+            wait (1);
+            voltMeter = voltLED/100;
+            genieWriteObject(GENIE_OBJ_ANGULAR_METER, 0x00, voltMeter); //write to Angularmeter0 the value of voltMeter*/
+        }
+
+        else if(flag == 0)
+
+        {
+            //printf("Flag status: %d \r\n", flag);
+           /* wait (0.1);
+            voltLED = 0;
+            genieWriteObject(GENIE_OBJ_LED_DIGITS, 0x00, 0);      //write to Leddigits0 the value of voltLED
+            wait (0.1);
+
+            //voltMeter = voltLED/100;
+            genieWriteObject(GENIE_OBJ_ANGULAR_METER, 0x00, 0); //write to Angularmeter0 the value of voltMeter
+            */
+             voltLED = voltLED + 0.1;;
+           printf("voltLED: %f\r\n",voltLED);
+            genieWriteObject(GENIE_OBJ_LED_DIGITS, 0x00, voltLED*100);  
+            wait (0.5);
+            genieWriteObject(GENIE_OBJ_ANGULAR_METER, 0x00, voltLED*20); //write to Angularmeter0 the value of voltMeter
+        }
+
+    }
+
+}
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