Diff: SerialLCD.cpp

Revision:

0:3acc8fa91b79

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialLCD.cpp	Thu Jan 16 13:27:49 2014 +0000
@@ -0,0 +1,220 @@
+/*
+  SerialLCD.h - Serial LCD driver Library
+  2010 Copyright (c) Seeed Technology Inc.  All right reserved.
+ 
+  Original Author: Jimbo.We
+  Contribution: Visweswara R 
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "mbed.h"
+#include "SerialLCD.h"
+/*
+SerialLCD::SerialLCD(uint8_t rx, uint8_t tx):SoftwareSerial(rx,tx)
+{
+
+}
+*/
+/********** High level commands, for the user! **********/
+/*
+// Initialize the Serial LCD Driver. SerialLCD Module initiates the communication.
+void SerialLCD::begin()
+{
+    SoftwareSerial::begin(9600);
+    delay(2);
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_POWER_OFF); 
+    delay(1);
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_POWER_ON);
+    delay(1);
+    SoftwareSerial::write(SLCD_INIT_ACK);
+    while(1)
+    {
+        if (SoftwareSerial::available() > 0 &&SoftwareSerial::read()==SLCD_INIT_DONE)
+            break;
+    }
+    delay(2);
+}
+
+// Clear the display
+void SerialLCD::clear()
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_CLEAR_DISPLAY);   
+}
+
+// Return to home(top-left corner of LCD)
+void SerialLCD::home()
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_RETURN_HOME);  
+    delay(2);//this command needs more time;  
+}
+
+// Set Cursor to (Column,Row) Position
+void SerialLCD::setCursor(uint8_t column, uint8_t row)
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER); 
+    SoftwareSerial::write(SLCD_CURSOR_HEADER); //cursor header command
+    SoftwareSerial::write(column);
+    SoftwareSerial::write(row);
+}
+
+// Switch the display off without clearing RAM
+void SerialLCD::noDisplay() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_DISPLAY_OFF);    
+}
+
+// Switch the display on
+void SerialLCD::display() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_DISPLAY_ON);    
+}
+
+// Switch the underline cursor off
+void SerialLCD::noCursor() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_CURSOR_OFF);     
+}
+
+// Switch the underline cursor on
+void SerialLCD::cursor() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_CURSOR_ON);     
+}
+
+// Switch off the blinking cursor
+void SerialLCD::noBlink() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_BLINK_OFF);     
+}
+
+// Switch on the blinking cursor
+void SerialLCD::blink() 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_BLINK_ON);     
+}
+
+// Scroll the display left without changing the RAM
+void SerialLCD::scrollDisplayLeft(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_SCROLL_LEFT);
+}
+
+// Scroll the display right without changing the RAM
+void SerialLCD::scrollDisplayRight(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_SCROLL_RIGHT);
+}
+
+// Set the text flow "Left to Right"
+void SerialLCD::leftToRight(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_LEFT_TO_RIGHT);
+}
+
+// Set the text flow "Right to Left"
+void SerialLCD::rightToLeft(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_RIGHT_TO_LEFT);
+}
+
+// This will 'right justify' text from the cursor
+void SerialLCD::autoscroll(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_AUTO_SCROLL);
+}
+
+// This will 'left justify' text from the cursor
+void SerialLCD::noAutoscroll(void) 
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);
+    SoftwareSerial::write(SLCD_NO_AUTO_SCROLL);
+}
+void SerialLCD::Power(void)
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_POWER_ON); 
+}
+void SerialLCD::noPower(void)
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_POWER_OFF); 
+}
+//Turn off the backlight
+void SerialLCD::noBacklight(void)
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_BACKLIGHT_OFF);   
+}
+//Turn on the back light
+void SerialLCD::backlight(void)
+{
+    SoftwareSerial::write(SLCD_CONTROL_HEADER);   
+    SoftwareSerial::write(SLCD_BACKLIGHT_ON);   
+}
+// Print Commands
+
+void SerialLCD::print(uint8_t b)
+{
+    SoftwareSerial::write(SLCD_CHAR_HEADER);
+    SoftwareSerial::write(b);
+}
+void SerialLCD::print(const char b[])
+{
+    SoftwareSerial::write(SLCD_CHAR_HEADER);
+    SoftwareSerial::write(b);
+}
+
+void SerialLCD::print(unsigned long n, uint8_t base)
+{
+    unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
+    unsigned long i = 0;
+
+    if (base == 0) print(n);
+
+    else if(base!=0)
+    {
+        if (n == 0) {
+            print('0');
+            return;
+        }
+
+        while (n > 0) {
+            buf[i++] = n % base;
+            n /= base;
+        }
+
+        for (; i > 0; i--)
+            print((char) (buf[i - 1] < 10 ?
+                          '0' + buf[i - 1] :
+                          'A' + buf[i - 1] - 10));
+    }
+}
+
+*/