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Minor formatting updates to the SerialToLCD project.

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This commit is contained in:
Dean Camera 2012-04-14 21:47:02 +00:00
parent 2e757d8c38
commit bd3f6794dd
4 changed files with 59 additions and 38 deletions
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8
Projects/SerialToLCD/Lib/HD44780.h
View File

@ -43,11 +43,11 @@
#include <avr/power.h>
/* Macros: */
#define RS (0x10) // PD4
#define ENABLE (0x80) // PD7
#define RS (1 << 4) /* PD4 */
#define ENABLE (1 << 7) /* PD7 */
#define HI4_MASK (0xF0)
#define LO4_MASK (0x0F) // PD0..3
#define HI4_MASK 0xF0
#define LO4_MASK 0x0F /* PD0-PD3 */
#define ALL_BITS (RS | ENABLE | LO4_MASK)

25
Projects/SerialToLCD/SerialToLCD.c
View File

@ -33,31 +33,6 @@
*
* Main source file for the SerialToLCD program. This file contains the main tasks of
* the project and is responsible for the initial application hardware configuration.
*
* \section Hardware Information
*
* LCD Datasheet: See http://www.sparkfun.com/datasheets/LCD/HD44780.pdf
*
* Also see the two articles from EPE which are linked from here:
* http://en.wikipedia.org/wiki/HD44780_Character_LCD
*
* Connections from the Minimus to the HD44780 as shown below.
*
* ========================================================= \n
* Minimus HD44780 Pin \n
* ========================================================= \n
* PD0 DB4 11 \n
* PD1 DB5 12 \n
* PD2 DB6 13 \n
* PD3 DB7 14 \n
* \n
* PD4 RS 4 \n
* RW 5 GND \n
* PD7 EN 6 \n
* \n
* 1 GND \n
* 2 USB +5V \n
* 3 2k -> GND \n
*/
#include "SerialToLCD.h"

48
Projects/SerialToLCD/SerialToLCD.txt
View File

@ -47,5 +47,51 @@
* designed to use the Minimum USB AVR board, however it can be modified to suit other hardware
* if desired.
*
* See comments in the SerialToLCD.c source file for hardware pinouts of the Minimus board.
* LCD Datasheet: http://www.sparkfun.com/datasheets/LCD/HD44780.pdf \n
* More Information: http://en.wikipedia.org/wiki/HD44780_Character_LCD \n
*
* Below are the connections between the AVR Minimus board and LCD.
*
* <table>
* <tr>
* <td><b>AVR Pin:</b></td>
* <td><b>HD44780 LCD Pin:</b></td>
* </tr>
* <tr>
* <td>VCC</td>
* <td>VCC</td>
* </tr>
* <tr>
* <td>GND</td>
* <td>GND</td>
* </tr>
* <tr>
* <td>PD0</td>
* <td>DB4</td>
* </tr>
* <tr>
* <td>PD1</td>
* <td>DB5</td>
* </tr>
* <tr>
* <td>PD2</td>
* <td>DB6</td>
* </tr>
* <tr>
* <td>PD3</td>
* <td>DB7</td>
* </tr>
* <tr>
* <td>PD4</td>
* <td>/RS</td>
* </tr>
* <tr>
* <td>GND</td>
* <td>/RW</td>
* </tr>
* <tr>
* <td>PD7</td>
* <td>/E</td>
* </tr>
* </table>
*/