Diff: main.cpp

Revision:

6:117edd5dc0a0

Parent:

5:138a91e25e1c

Child:

7:ef1dab708752

diff -r 138a91e25e1c -r 117edd5dc0a0 main.cpp
--- a/main.cpp	Tue Dec 14 14:24:31 2021 +0000
+++ b/main.cpp	Thu Dec 16 15:48:12 2021 +0000
@@ -13,11 +13,15 @@
 #include "mbed.h"
 // include the library header, ensure the library has been imported into the project
 #include "TMP102.h"
+#include "N5110.h"
+#include "Bitmap.h"
 
 // Create TMP102 object
 TMP102 tmp102(I2C_SDA,I2C_SCL);  
+N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
 // UART connection for PC
 Serial serial(USBTX,USBRX);
+AnalogIn SP(PTB2);
 
 // K64F on-board LEDs 
 DigitalOut r_led(LED_RED);
@@ -34,6 +38,7 @@
 // set-up the on-board LEDs and switches
 void init_K64F();
 
+
 int main()
 {
     // initialise the board and serial port
@@ -41,13 +46,47 @@
     init_serial(); 
     // call the sensor init method using dot syntax
     tmp102.init();
+    lcd.init();
+    
+    
+    
+    lcd.setContrast(0.4);
     
     while (1) {
         
         // read temperature and print over serial port
         float T = tmp102.get_temperature();
         serial.printf("T = %f C\n",T);
+        
         // small delay - 1s to match the update rate of the sensor (1 Hz)
+         lcd.clear(); // clear buffer at start of every loop
+        // can directly print strings at specified co-ordinates (must be less than 84 pixels to fit on display)
+        lcd.printString("Lets Gan!",0,0);
+
+        char buffer[14];  // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
+        // so can display a string of a maximum 14 characters in length
+        // or create formatted strings - ensure they aren't more than 14 characters long
+        // int temperature = 27;
+        
+        int length = sprintf(buffer,"T=%.2F 'C",T); // print formatted data to buffer
+        // it is important the format specifier ensures the length will fit in the buffer
+        if (length <= 14)  // if string will fit on display (assuming printing at x=0)
+            lcd.printString(buffer,0,2);           // display on screen
+        
+        float Set = 33 * SP; 
+        length = sprintf(buffer,"SP=%.2F 'C",Set);
+        if (length <= 14)  // if string will fit on display (assuming printing at x=0)
+          lcd.printString(buffer,0,4);           // display on screen
+        serial.printf("   SP = %f",  Set);   
+        /*
+        float pressure = 1012.3;  // same idea with floats
+        length = sprintf(buffer,"P = %.2f mb",pressure);
+        if (length <= 14)
+            lcd.printString(buffer,0,3);
+        */
+        
+        lcd.refresh();
+
         wait(1.0);
         
     }