/*------------------------------------------------------------------*-
Port.H (v1.00)
------------------------------------------------------------------
'Port Header' (see Chap 10) for project LCD_KEYP (see Chap 22)
COPYRIGHT
---------
This code is from the book:
PATTERNS FOR TIME-TRIGGERED EMBEDDED SYSTEMS by Michael J. Pont
[Pearson Education, 2001; ISBN: 0-201-33138-1].
This code is copyright (c) 2001 by Michael J. Pont.
See book for copyright details and other information.
-*------------------------------------------------------------------*/
// ------ Sch51.C ----------------------------------------
// Comment this line out if error reporting is NOT required
#define SCH_REPORT_ERRORS
#ifdef SCH_REPORT_ERRORS
// The port on which error codes will be displayed
// ONLY USED IF ERRORS ARE REPORTED
#define Error_port P1
#endif
// ------ Keypad.C ------------------------------------------------
#define KEYPAD_PORT P2
sbit C1 = KEYPAD_PORT^0;
sbit C2 = KEYPAD_PORT^1;
sbit C3 = KEYPAD_PORT^2;
sbit R1 = KEYPAD_PORT^6;
sbit R2 = KEYPAD_PORT^5;
sbit R3 = KEYPAD_PORT^4;
sbit R4 = KEYPAD_PORT^3;
// ------ LCD_A.c --------------------------------------------------
// NOTE: Any combination of 6 pins may be used (any ports, any order)
// NOTE: Number in [] are pin numbers on *MANY* LCDs
sbit LCD_D4 = P3^2; // DB4 [11]
sbit LCD_D5 = P3^3; // DB5 [12]
sbit LCD_D6 = P3^4; // DB6 [13]
sbit LCD_D7 = P3^5; // DB7 [14]
sbit LCD_RS = P3^6; // Display register select output [4]
sbit LCD_EN = P3^7; // Display enable output [6]
// Connect Vss [1] on LCD to Gnd
// Connect Vcc [2] on LCD to +5V
// Connect Vo [3] on LCD to Gnd
// Connect RW [5] on LCD to Gnd
/*------------------------------------------------------------------*-
---- END OF FILE -------------------------------------------------
-*------------------------------------------------------------------*/
