ELEC2645 (2015/16) / N5110_mod

Simple library for interfacing to Nokia 5110 LCD display (as found on the SparkFun website). Edited to include additional feaatures, such as 2d array loading, multiple screen buffers, and better backlight control

Dependencies:   N5110

Dependents:   Main_code_ver18

Fork of N5110 by Craig Evans

Diff: N5110.cpp

Revision:
1:df68f34cd32d
Parent:
0:d563e74f0ae9
Child:
2:e93021cfb0a9
--- a/N5110.cpp	Sun Jan 26 18:55:16 2014 +0000
+++ b/N5110.cpp	Sun Jan 26 19:30:09 2014 +0000
@@ -1,7 +1,7 @@
 #include "mbed.h"
 #include "N5110.h"
 
-N5110::N5110(PinName pwrPin, PinName ledPin, PinName scePin, PinName rstPin, PinName dcPin, PinName mosiPin, PinName sclkPin)
+N5110::N5110(PinName pwrPin, PinName scePin, PinName rstPin, PinName dcPin, PinName mosiPin, PinName sclkPin, PinName ledPin)
 {
     
     spi = new SPI(mosiPin,NC,sclkPin); // create new SPI instance and initialise
@@ -18,24 +18,36 @@
 void N5110::init()
 {
     turnOn();    // power up
-    reset();     // reset LCD
+    reset();     // reset LCD - must be done within 100 ms
 
     // function set - extended
     sendCommand(0x20 | CMD_FS_ACTIVE_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_EXTENDED_MODE);
 
-    sendCommand(CMD_VOP_7V38);    // operating voltage
+    sendCommand(CMD_VOP_7V38);    // operating voltage - these values are from Chris Yan's Library
     sendCommand(CMD_TC_TEMP_2);   // temperature control
     sendCommand(CMD_BI_MUX_48);   // bias
 
     // function set - basic
     sendCommand(0x20 | CMD_FS_ACTIVE_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_BASIC_MODE);
+    normalMode();  // normal video mode by default
     sendCommand(CMD_DC_NORMAL_MODE);  // black on white
-    //sendLCDCommand(CMD_DC_INVERT_VIDEO);  // white on black
+    //sendCommand(CMD_DC_INVERT_VIDEO);  // white on black
 
     // RAM is undefined at power-up so clear
     clearRAM();
 
 }
+ 
+// sets normal video mode (black on white) 
+void N5110::normalMode() {
+     sendCommand(CMD_DC_NORMAL_MODE);  
+   
+}
+
+// sets normal video mode (white on black) 
+void N5110::inverseMode() {
+    sendCommand(CMD_DC_INVERT_VIDEO); 
+}
 
 // function to power up the LCD and backlight
 void N5110::turnOn()
@@ -183,6 +195,8 @@
         sendData(font5x7[(c - 32)*5 + j]);
         // array is offset by 32 relative to ASCII, each character is 5 pixels wide
     }
+    
+    sendData(0); // send an empty byte to introduce space between characters
 
 }