Diff: LGLCD/lglcd.cpp

Revision:

11:ce2a977dcab0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LGLCD/lglcd.cpp	Tue Jan 09 11:59:10 2018 +0000
@@ -0,0 +1,81 @@
+/*   ELEC351 COURSEWORK 2018 
+DESIGNED USING MBED ONLINE COMPILER IMPORTED TO KEIL
+LIAM GRAZIER // DOUG TILLEY // ALEX BARON 
+ */
+#include "mbed.h"
+#include "lglcd.h"
+lglcd::lglcd(PinName RS, PinName E, PinName D4, PinName D5,PinName D6, PinName D7) : _lcdrs(RS),_lcde(E), _lcdinfo(D4, D5, D6, D7)
+{
+       _lcde=1;              //clear enable
+    _lcdrs=0;             // command
+    writedata(_lcde,CMD);
+    wait(0.000004);              
+    writedata(0x28,CMD);         
+    wait(0.000004);
+    writedata(0x0C,CMD);      //turnoncursor and blink
+    wait(0.000004);
+    writedata(0x10,CMD);
+    wait(0.000004);
+    LCD_CLR;                 //clearlcd
+    wait(0.000004);
+    writedata(0x06,CMD);     //movecursor right
+    wait(0.000004);
+    LCD_HOME;               //Return to the 0,0 
+}
+void lglcd::clear(void)//lcd clear command with a tiny wait to ensure commadn finishes 
+{
+    LCD_CLR;             //clearcommandwitha small wait
+    wait(0.002); 
+}
+void lglcd::setline(int row,int column) //set lu=ine and column function
+{   
+    if(row == 1) 
+    { 
+        writedata(LINE1|column,CMD);  //line1 included 
+        wait(0.005); 
+    }
+    if(row == 2)
+    {
+        writedata(LINE2|column,CMD); 
+        wait(0.005); 
+    }
+}
+void lglcd::writedata(unsigned char data, unsigned char type) //manual write data wherever the pointer is , requires the line to be set first .
+{
+    if(type == CMD) 
+    {
+        _lcdrs=0;          //COMMAND MODE
+    }
+    else
+    {
+        _lcdrs=1;          //CHARACTER/DATA MODE
+    } 
+    _lcdinfo = data >> 4;
+    wait(0.000050f); 
+    _lcde = 0;
+    wait(0.000050f);
+    _lcde = 1;
+    _lcdinfo = data >> 0;
+    wait(0.000050f);
+    _lcde = 0;
+    wait(0.000050f);
+    _lcde = 1;
+}
+void lglcd::write(char charq[]) //write character, not used, used writedata mainly, this works well if need to write along string to 2 lines (FOR LOOP FOR CHANING LINE AUTO) 
+{ 
+    for (int n = 0; n < strlen(charq); n++)
+    {
+        int count = 0;
+        count++;
+        writedata(charq[n], TXT);
+        if (n == 15)
+        {
+            writedata(LINE2 | 0, CMD);
+        }
+        if (n == 32) 
+        {
+            clear();
+            writedata(LINE1, CMD);
+        }
+    }   
+}