Zimin Wang / Mbed 2 deprecated DDRO_Farrari

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Dependencies:   mbed-rtos mbed

Fork of DDRO_Farrari by Liangzhen Lai

Diff: lcd.cpp

Revision:
0:84a8bcfbdec9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd.cpp	Mon Oct 07 22:58:19 2013 +0000
@@ -0,0 +1,207 @@
+#include "mbed.h"
+#include "lcd.h"
+
+int lcdlinenum;
+
+void dual_printf(char* a){
+    pc.printf(a); 
+    pc.printf("\r\n");
+    
+    lcd_clear_line(lcdlinenum);
+  
+    lcd_printf(a);
+    if(lcdlinenum > 3){
+        lcdlinenum = 1;
+    }else{
+        lcdlinenum++;
+    }
+}
+
+/********************************************************************
+ lcd default
+********************************************************************/
+void lcd_default()
+{
+    lcdlinenum = 1;
+    lcd.frequency(10000);
+    lcd_clear();
+    lcd_set_contrast( 40 );
+    lcd_backlight_level( 8 );
+    lcd_cursor_blink(1);
+}
+/********************************************************************
+ lcd clear
+********************************************************************/
+void lcd_clear()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x51;
+    lcd.write(LCDADDR, data, 2, false);    
+    wait_ms(2);
+}
+/********************************************************************
+ lcd home
+********************************************************************/
+void lcd_home()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x46;
+    lcd.write(LCDADDR, data, 2, false);    
+    wait_ms(2);
+}
+
+void lcd_printf(char* message){
+    lcd.write(LCDADDR, message, strlen(message), false);   
+}
+
+/********************************************************************
+ clear one line of display
+********************************************************************/
+void lcd_clear_line(unsigned int line)
+{
+    switch (line){
+        case 1:
+            lcd_goto( LINE1_BEGIN );
+            lcd_printf("                    ");
+            lcd_goto( LINE1_BEGIN );
+            break;
+        case 2:
+            lcd_goto( LINE2_BEGIN );
+            lcd_printf("                    ");
+            lcd_goto( LINE2_BEGIN );
+            break;
+        case 3:
+            lcd_goto( LINE3_BEGIN );
+            lcd_printf("                    ");
+            lcd_goto( LINE3_BEGIN );
+            break;
+        case 4:
+            lcd_goto( LINE4_BEGIN );
+            lcd_printf("                    ");
+            lcd_goto( LINE4_BEGIN );
+            break;
+        default:
+            break;
+    }
+    wait_ms(5);
+}
+
+void lcd_cursor_blink(bool blink){
+    char data[10];
+    data[0] = 0xFE;
+    if(blink){
+        data[1] = 0x4b;
+    }else{
+        data[1] = 0x4c;
+    }    
+    
+    lcd.write(LCDADDR, data, 2, false);    
+    
+    wait_ms(2);
+}
+
+/********************************************************************
+ lcd cursor goto
+********************************************************************/
+void lcd_goto(unsigned int position)
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x45;
+    data[2] = position;
+    lcd.write(LCDADDR, data, 3, false);    
+    
+    wait_ms(2);
+}
+/********************************************************************
+ lcd set contrast
+********************************************************************/
+void lcd_set_contrast(unsigned int level)
+{
+    if(level > 50){ level = 50; }
+    
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x52;
+    data[2] = level;
+    lcd.write(LCDADDR, data, 3, false);  
+      
+    wait_ms(10);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_backlight_level(unsigned int level)
+{
+    if(level > 8){ level = 8; }
+    
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x53;
+    data[2] = level;
+    lcd.write(LCDADDR, data, 3, false);   
+    
+    wait_ms(2);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_shift_right()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x56;
+    lcd.write(LCDADDR, data, 2, false);   
+    
+    wait_ms(1);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_shift_left()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x55;
+    lcd.write(LCDADDR, data, 2, false);   
+    
+    wait_ms(1);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_cursor_right()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x4A;
+    lcd.write(LCDADDR, data, 2, false);   
+    
+    wait_ms(1);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_cursor_left()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x49;
+    lcd.write(LCDADDR, data, 2, false);   
+    
+    wait_ms(1);
+}
+/********************************************************************
+ lcd set backlight level
+********************************************************************/
+void lcd_backspace()
+{
+    char data[10];
+    data[0] = 0xFE;
+    data[1] = 0x4E;
+    lcd.write(LCDADDR, data, 2, false);   
+
+    wait_ms(1);
+}
\ No newline at end of file