Diff: Hotboards_SpiLcd.cpp

Revision:

2:9673849ef2e9

Parent:

1:b777b6147d99

diff -r b777b6147d99 -r 9673849ef2e9 Hotboards_SpiLcd.cpp
--- a/Hotboards_SpiLcd.cpp	Fri Jan 29 01:08:33 2016 +0000
+++ b/Hotboards_SpiLcd.cpp	Sat Feb 27 20:02:57 2016 +0000
@@ -23,9 +23,7 @@
     _rst_pin = 1; /*reset not active*/
 }
 
-/*
- * send commands to initialize internal lcd controller
- */
+
 void Hotboards_SpiLcd::init( void )
 {
     _rst_pin = 0;
@@ -62,58 +60,42 @@
     clear( );/*clearscreen*/
 }
 
-/*
- * Clears the LCD screen and positions the cursor in the upper-left corner. 
- */
+
 void Hotboards_SpiLcd::clear( void )
 {
     command( HT_SPILCD_CLEARDISPLAY );  // clear display, set cursor position to zero
     wait( 0.002 );          // this command takes a long time!   
 }
 
-/*
- * Positions the cursor in the upper-left of the LCD. That is, use that location 
- * in outputting subsequent text to the display. To also clear the display, use 
- * the clear() function instead
- */
+
 void Hotboards_SpiLcd::home( void )
 {
     command( HT_SPILCD_RETURNHOME );      // set cursor position to zero
     wait( 0.002 );          // this command takes a long time!   
 }
 
-/*
- * Turns off the LCD display, without losing the text currently shown on it.
- */
+
 void Hotboards_SpiLcd::noDisplay( void )
 {
     _displaycontrol &= ~HT_SPILCD_DISPLAYON;
     command( HT_SPILCD_DISPLAYCONTROL | _displaycontrol );
 }
 
-/*
- * Turns on the LCD display, after it's been turned off with noDisplay(). 
- * This will restore the text (and cursor) that was on the display. 
- */
+
 void Hotboards_SpiLcd::display( void )
 {
     _displaycontrol |= HT_SPILCD_DISPLAYON;
     command( HT_SPILCD_DISPLAYCONTROL | _displaycontrol );  
 }
 
-/*
- * Turns off the blinking LCD cursor. 
- */
+
 void Hotboards_SpiLcd::noBlink( void )
 {
     _displaycontrol &= ~HT_SPILCD_BLINKON;
     command( HT_SPILCD_DISPLAYCONTROL | _displaycontrol );
 }    
     
-/*
- * Display the blinking LCD cursor. If used in combination with the cursor() function, 
- * the result will depend on the particular display. 
- */
+
 void Hotboards_SpiLcd::blink( void )
 {
     _displaycontrol |= HT_SPILCD_BLINKON;
@@ -121,19 +103,14 @@
 }
 
 
-/*
- * Hides the LCD cursor.
- */
+
 void Hotboards_SpiLcd::noCursor( void )
 {
     _displaycontrol &= ~HT_SPILCD_CURSORON;
     command( HT_SPILCD_DISPLAYCONTROL | _displaycontrol );
 }
 
-/*
- * Display the LCD cursor: an underscore (line) at the position to which the 
- * next character will be written. 
- */
+
 void Hotboards_SpiLcd::cursor( void )
 {
     _displaycontrol |= HT_SPILCD_CURSORON;
@@ -141,73 +118,47 @@
   
 }
 
-/*
- * Scrolls the contents of the display (text and cursor) one space to the left. 
- */
+
 void Hotboards_SpiLcd::scrollDisplayLeft( void )
 {
     command( HT_SPILCD_CURSORSHIFT | HT_SPILCD_DISPLAYMOVE | HT_SPILCD_MOVELEFT );
 }
 
-/*
- * Scrolls the contents of the display (text and cursor) one space to the right. 
- */
+
 void Hotboards_SpiLcd::scrollDisplayRight( void )
 {
     command( HT_SPILCD_CURSORSHIFT | HT_SPILCD_DISPLAYMOVE | HT_SPILCD_MOVERIGHT );  
 }
 
-/*
- * Set the direction for text written to the LCD to left-to-right, the default. 
- * This means that subsequent characters written to the display will go from left to right, 
- * but does not affect previously-output text. 
- */
+
 void Hotboards_SpiLcd::leftToRight( void )
 {
     _displaymode |= HT_SPILCD_ENTRYLEFT;
     command( HT_SPILCD_ENTRYMODESET | _displaymode );
 }
 
-/*
- * Set the direction for text written to the LCD to right-to-left (the default is left-to-right). 
- * This means that subsequent characters written to the display will go from right to left, 
- * but does not affect previously-output text. 
- */
+
 void Hotboards_SpiLcd::rightToLeft( void )
 {
     _displaymode &= ~HT_SPILCD_ENTRYLEFT;
     command( HT_SPILCD_ENTRYMODESET | _displaymode );  
 }
 
-/*
- * Turns on automatic scrolling of the LCD. This causes each character 
- * output to the display to push previous characters over by one space. 
- * If the current text direction is left-to-right (the default), 
- * the display scrolls to the left; if the current direction is right-to-left, 
- * the display scrolls to the right. This has the effect of outputting 
- * each new character to the same location on the LCD. 
- */
+
 void Hotboards_SpiLcd::autoscroll( void )
 {
     _displaymode |= HT_SPILCD_ENTRYSHIFTINCREMENT;
     command( HT_SPILCD_ENTRYMODESET | _displaymode );
 }
 
-/*
- * Turns off automatic scrolling of the LCD.
- */
+
 void Hotboards_SpiLcd::noAutoscroll( void )
 {
     _displaymode &= ~HT_SPILCD_ENTRYSHIFTINCREMENT;
     command( HT_SPILCD_ENTRYMODESET | _displaymode );   
 }
     
-/*
- * Position the LCD cursor; that is, set the location at which subsequent 
- * text written to the LCD will be displayed.
- * col: the column at which to position the cursor (with 0 being the first column)
- * row: the row at which to position the cursor (with 0 being the first row) 
- */
+
 void Hotboards_SpiLcd::setCursor( uint8_t col, uint8_t row )
 {
     const uint8_t Buffer[ 2 ]= { 0x00u, 0x40u };
@@ -223,10 +174,7 @@
 
 
 /*********** mid level commands, for sending data/cmds */
-/*
- * Write a character to the LCD.
- * data: the character to write to the display
- */
+
 inline void Hotboards_SpiLcd::command( uint8_t value )
 {
     _cs_pin = 0;