/*= mcu.h ======================================================================
 *
 * Copyright (C) 2005 Nordic Semiconductor
 *
 * This file is distributed in the hope that it will be useful, but WITHOUT
 * WARRANTY OF ANY KIND.
 *
 * Author(s): Borge Strand
 *
 * Description:
 *
 *    General-purpose MCU file. Any MCU used must support these functions.
 *
 * Compiler: Tested with WinAVR, avr-gcc (GCC) 3.4.3
 *
 * Revision: 2.0 
 *
 *==============================================================================
 */


// Only include this file once
#ifndef MCU_H
#define MCU_H


// Local includes
#include "hpref_defines.h"
#include "uartdebug.h"


// General MCU functions
void mcu_init(void);


// Delay functions
void mcu_wait_ms(unsigned int time);


// Random generator
char mcu_randombyte(void);


// 2-wire interface
void mcu_2w_master_init(void);
char mcu_2w_read(char devadr, char adr);
void mcu_2w_write(char devadr, char adr, char data);


// UART interface used by debug
#ifdef DEBUG
void mcu_uart_init(void);
int mcu_putchar(char c);
int mcu_getchar(void);
#endif


// Product user interface on TX = this MCU
char mcu_buttons(void);


// LED on MCU on ATX
#ifdef USELED
void mcu_atxled(char mode);
#endif


// Use interrupts from nRF24Z1 to MCU
#ifdef Z1INTERRUPT
void mcu_z1int_clear(void);                                
void mcu_z1int_enable(void);
void mcu_z1int_disable(void);
char mcu_z1int_active(void);
#endif // Z1INTERRUPT


// Pins required for power down
void mcu_z1wakeup_pin(void);

#endif