/*************************************************************************
**
**       File: ports.cpp
**    Summary: Ports init procedures
**    Version: 1.0
**       Date: 03.02.2009
**
**************************************************************************
**
**  Functions: 
**
**
**   Compiler:  IAR AVR 3.20c
**    Remarks:
**
**************************************************************************/
#include "ports.h"
/*************************************************************************/
void CPORTS::Init()
{ 
  DDRB= (1<<LED_SCK_PIN)|(0<<LED_MISO_PIN)|(1<<LED_MOSI_PIN)| \
        (1<<LED_LATCH_PIN)|(1<<LED_PWM_PIN);
  PORTB=(1<<LED_SCK_PIN)|(1<<LED_MISO_PIN)|(1<<LED_MOSI_PIN)| \
        (1<<LED_LATCH_PIN)|(1<<LED_PWM_PIN);
  
  DDRC= (0<<BUT4_DOWN_PIN)|(0<<BUT3_DOWN_PIN)|(0<<BUT2_DOWN_PIN)| \
        (0<<BUT1_DOWN_PIN)|(0<<BUT1_UP_PIN);
  PORTC=(1<<BUT4_DOWN_PIN)|(1<<BUT3_DOWN_PIN)|(1<<BUT2_DOWN_PIN)| \
        (1<<BUT1_DOWN_PIN)|(1<<BUT1_UP_PIN);
  
  DDRD= (1<<PWM4_PIN)|(1<<PWM3_PIN)|(1<<PWM2_PIN)|(1<<PWM1_PIN)| \
        (1<<ONEWIRE_PIN)|(1<<TX_EN_PIN)|(1<<TX_PIN)|(0<<RX_PIN);
  PORTD=(1<<PWM4_PIN)|(1<<PWM3_PIN)|(1<<PWM2_PIN)|(1<<PWM1_PIN)| \
        (1<<ONEWIRE_PIN)|(1<<TX_EN_PIN)|(1<<TX_PIN)|(1<<RX_PIN);
}
/*************************************************************************/


/*************************************************************************
**
**       File: ports.h
**    Summary: Ports class and constants
**    Version:
**       Date:
**
**************************************************************************
**
**  Functions: 
**
**
**   Compiler:
**    Remarks:
**
**************************************************************************/
#ifndef _PORTS_H
#define _PORTS_H
/*************************************************************************/
#include "mcu_cfg.h"
#include "types.h"
/*************************************************************************/
class CPORTS
{ 
public:
    static void Init();
};
/*************************************************************************/


#endif


/*************************************************************************
**
**       File: mcu_cfg.h
**    Summary: MCU configuration (crystal frequency, types of ports and
**              so on).
**    Version:
**       Date:
**
**************************************************************************
**
**   Compiler:
**    Remarks:
**
**************************************************************************/
#ifndef _MCU_CFG_H
#define _MCU_CFG_H
/*************************************************************************/
#include "iom48.h"
#include "inavr.h"
#include "avr_macros.h"
/*************************************************************************/

#define OSC_FREQ 20000000L   // 20MHz (external oscillator)

// 7-segment LEDs (use hardware SPI)
#define LED_PWM_PIN		PINB1 // use hardware PWM
#define LED_LATCH_PIN		PINB2
#define LED_MOSI_PIN		PINB3
#define LED_MISO_PIN		PINB4
#define LED_SCK_PIN		PINB5

#define LED_LATCH_PORT		PORTB
#define LED_PWM_PORT		PORTB
#define SPI_PORT		PORTB

#define LED_LATCH_DIR		DDRB
#define LED_PWM_DIR		DDRB
#define SPI_DIR 		DDRB

// 1-Wire pin (use software emulation)
#define ONEWIRE_PIN		PIND3
#define ONEWIRE_PORT		PORTD
#define ONEWIRE_DIR		DDRD

// Button pins (use software emulation)
#define BUT1_UP_PIN	        PINC0
#define BUT1_DOWN_PIN		PINC1
#define BUT2_DOWN_PIN		PINC2
#define BUT3_DOWN_PIN		PINC3
#define BUT4_DOWN_PIN		PINC4

#define BUT1_UP_PORT		PORTC
#define BUT1_DOWN_PORT		PORTC
#define BUT2_DOWN_PORT		PORTC
#define BUT3_DOWN_PORT		PORTC
#define BUT4_DOWN_PORT		PORTC
#define BUTTONS_PORT            PORTC

#define BUT1_UP_DIR		DDRC
#define BUT1_DOWN_DIR		DDRC
#define BUT2_DOWN_DIR		DDRC
#define BUT3_DOWN_DIR		DDRC
#define BUT4_DOWN_DIR		DDRC
#define BUTTONS_DIR             DDRC

// Power PWM pins (use software emulation)
#define PWM1_PIN	        PIND4
#define PWM2_PIN        	PIND5
#define PWM3_PIN	        PIND6
#define PWM4_PIN	        PIND7

#define PWM1_PORT		PORTD
#define PWM2_PORT		PORTD
#define PWM3_PORT		PORTD
#define PWM4_PORT		PORTD

#define PWM1_DIR		DDRD
#define PWM2_DIR		DDRD
#define PWM3_DIR		DDRD
#define PWM4_DIR		DDRD

// RS-485 pins (use hardware USART)
#define TX_EN_PIN		PIND2
#define TX_PIN  		PIND1
#define RX_PIN  		PIND0

#define TX_EN_PORT		PORTD
#define TX_PORT 		PORTD
#define RX_PORT 		PORTD

#define TX_EN_DIR		DDRD
#define TX_DIR  		DDRD
#define RX_DIR  		DDRD

#endif