Diff: LCD.cpp

Revision:

3:a65abeda9231

Parent:

2:e3d3eaa27040

--- a/LCD.cpp	Mon Mar 08 14:33:47 2021 +0000
+++ b/LCD.cpp	Thu Mar 11 23:19:50 2021 +0000
@@ -3,7 +3,8 @@
 #include <string>
 
 //Code for Newhaven NHD‐0216K3Z‐FL‐GBW LCD interfaced to FRDM-K64F via I2C
-LCD::LCD() : i2c(PIN_SCL, PIN_SDA){
+LCD::LCD(I2C* i2cIn){
+    i2c = i2cIn;
     LCD_init();
     clearLCD();
     wait_us(LCD_DELAY); //wait for stabilization
@@ -12,25 +13,22 @@
 void LCD::LCD_init(void) {
     
     //LCD Initiations---------------------------------------
-
-    i2c.frequency(LCD_FREQ);
-    
     char cmd[3]; 
   
     cmd[0] = 0xFE; //For all cases
     cmd[1] = 0x52;
     cmd[2] = 40;        //contrast 1 - 50 
-    i2c.write(addr, cmd, 3);
+    i2c->write(addr, cmd, 3);
     
     cmd[1] = 0x53;
     cmd[2] = 8;        //Backlight 1-8
-    i2c.write(addr, cmd, 3);
+    i2c->write(addr, cmd, 3);
            
     cmd[1] = 0x48;
-    i2c.write(addr, cmd, 2); //Underline cursor off
+    i2c->write(addr, cmd, 2); //Underline cursor off
     
     cmd[1] = 0x46;
-    i2c.write(addr, cmd, 2); //Cursor Home 
+    i2c->write(addr, cmd, 2); //Cursor Home 
     
 } //END LCD_init
 
@@ -42,10 +40,10 @@
     wait_us(100);
     
     cmd[1] = 0x51;
-    i2c.write(addr, cmd, 2); //clear current display 
+    i2c->write(addr, cmd, 2); //clear current display 
     
     cmd[1] = 0x46;
-    i2c.write(addr, cmd, 2); //Cursor Home 
+    i2c->write(addr, cmd, 2); //Cursor Home 
      
 } //END clearLCD
 
@@ -66,12 +64,12 @@
     for(i=0;i < topLine.length();i++) { //Display top line
         cmd[i]=topLine[i];
     }
-    i2c.write(addr,cmd,16);
+    i2c->write(addr,cmd,16);
        
     cmd[0] = 0xFE; //Since it was overwritten above    
     cmd[1] = 0x45;
     cmd[2] = 0x40;        //LCD Cursor to next line 
-    i2c.write(addr, cmd, 3);
+    i2c->write(addr, cmd, 3);
        
     wait_us(LCD_DELAY); //Delay between writing lines
     
@@ -80,7 +78,7 @@
     for(i=0;i < bottomLine.length();i++) { //Display bottom line
         cmd[i]=bottomLine[i];
     }
-    i2c.write(addr,cmd,16);  
+    i2c->write(addr,cmd,16);  
     cmd[0] = 0xFE; //Since it was overwritten above  
    
  } //END LCD_display