KPD.h File Reference

---

Detailed Description

Atmel Corporation

• File : KPD.h
• Compiler : IAR EWAVR 4.11A

• Support mail : avr@atmel.com

• Supported devices : This example is written for the ATtiny24.

• AppNote : AVR245: Code Lock with LCD.

• Description : Driver for 4x4 keypad matrix

Revision

1.3

Date

Monday, October 10, 2005 13:23:34 UTC

Definition in file KPD.h.

#include <iotiny24.h>

Include dependency graph for KPD.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Defines
#define	DEBUGWIRE
Functions
unsigned char	KPD_GetKey (void)
void	KPD_Init (void)
__interrupt void	PCINT1_ISR (void)
__interrupt void	TC0_ISR (void)

---

Define Documentation

#define DEBUGWIRE

Definition at line 27 of file KPD.h.

---

Function Documentation

unsigned char KPD_GetKey (  void   )

Definition at line 83 of file KPD.c. References KPD_KeyPressed, and KPD_LastKey. Referenced by main().

void KPD_Init (  void   )

Definition at line 32 of file KPD.c. References KPD_KeyDown, KPD_KeyPressed, KPD_LastKey, and KPD_ScanRow. Referenced by CheckAccess(), and Initialise().

__interrupt void PCINT1_ISR (  void   )

Definition at line 96 of file KPD.c. References KPD_KeyDown, KPD_KeyPressed, KPD_LastKey, and KPD_ScanRow.

__interrupt void TC0_ISR (  void   )

Definition at line 143 of file KPD.c. References KPD_KeyDown, and KPD_ScanRow.

---