Diff: LCDs.cpp

Revision:

4:9e223db481da

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCDs.cpp	Sat Apr 18 21:06:58 2015 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+#include "LCDs.h"
+#include <string>
+
+DigitalOut rs(PA_6);
+DigitalOut en(PB_6);
+DigitalOut rw(PA_7);
+DigitalOut db0(PC_7);
+DigitalOut db1(PA_9);
+DigitalOut db2(PA_8);
+DigitalOut db3(PB_10);
+DigitalOut db4(PB_4);
+DigitalOut db5(PB_5);
+DigitalOut db6(PB_3);
+DigitalInOut db7(PA_10);
+
+LCDs::LCDs()
+{}
+
+void LCDs::lcdinit()
+{
+    db7.output();
+    db7=0;    
+    en=0;
+    wait_ms(250);
+}
+
+void LCDs::putString(string disp)
+{
+    for(int j = 0; j < disp.length(); j++)
+    {
+        if(j==16)
+            lcdcmd(0xC0);
+        putData((unsigned char)disp.at(j));
+        rs=1;
+        rw=0;
+        en=1;
+        wait_ms(1);
+        en=0;
+        lcdReady();
+    }
+}
+
+void LCDs::lcdReady()
+{
+    db7.input();
+    rs=0;
+    rw=1;
+    do
+    {
+        en=1;
+        wait_ms(1);
+        en=0;
+    }while(db7==1);
+    db7.output();
+}
+
+void LCDs::putData(unsigned char value)
+{
+    unsigned char newValue = value;
+    for(int i = 0; i<=7; i++)
+    {    
+        newValue = value>>i;       
+        newValue = newValue & 0x01;
+        switch(i)
+        {
+            case 0:
+               db0=(int)newValue;
+               break;
+            case 1:
+               db1=(int)newValue;
+               break;
+            case 2:
+               db2=(int)newValue;
+               break;
+            case 3:
+               db3=(int)newValue;
+               break;
+            case 4:
+               db4=(int)newValue;
+               break;
+            case 5:
+               db5=(int)newValue;
+               break;
+            case 6:
+               db6=(int)newValue;
+               break;
+            case 7:
+               db7=(int)newValue;
+               break;
+            default:
+                break;
+        }         
+    }
+}
+
+void LCDs::lcdcmd(unsigned char value)
+{
+    putData(value);
+    rs=0;
+    rw=0;
+    en=1;
+    wait_ms(1);
+    en=0;
+    lcdReady();
+}