hw.h

Go to the documentation of this file.

/* HW related parameters */

#ifndef F_CPU
#define F_CPU 8000000
#endif

/****************** Configurable parameters **********************/


#define INDICATION_PORT_DDR DDRB    
#define INDICATION_PORT PORTB       
#define ISF_LED 0                   
#define COM_ERR_LED 1               
#define RESET_LED 3                 
#define RS_LED 2

/* button definitions */
#define CONFIGURATION_PORT_DDR DDRC
#define CONFIGURATION_PORT PORTC
#define DEBUG_BUTTON 0x04           
#define CLEAR_BUTTON 0x04            /* Possible to use the same */

/* ModBus address definitions */
#define ADDRESS_SELECT_PORT_DDR DDRC
#define ADDRESS_SELECT_PORT PINC
#define ADDRESS_SELECT_PIN 4
#define ADDRESS_SELECT_BIT_MASK 0x0F 
/* Sensor definitions */
#define NRO_OF_SENSORS 4
#define SENSOR_PORT_DDR DDRA
#define SENSOR_PORT PORTA
#define SENSOR_PORT_IN PINA
#define SENSOR1 0x01
#define SENSOR2 0x02
#define SENSOR3 0x03
#define SENSOR4 0x04
#define SENSOR_CLK 0x00 /* Changed on 21.1.2010 (Previous value 0x06) */


/************************** MACROS *******************************/

#define RESET_LED_ON INDICATION_PORT |= (1 << RESET_LED)
#define RESET_LED_OFF INDICATION_PORT &= ~(1 << RESET_LED)

#define ISF_OFF INDICATION_PORT |= (1<<ISF_LED)
#define ISF_ON INDICATION_PORT &= ~(1<<ISF_LED)

#define ENABLE_SENSOR_MEASUREMENT TIMSK |= (1<<TOIE0)
#define DISENABLE_SENSOR_MEASUREMENT TIMSK &= ~(1<<TOIE0)

#define IF_CLEAR_BUTTON_IS_ON (CONFIGURATION_PORT | (1<<CLEAR_BUTTON))==CLEAR_BUTTON
#define IF_DEBUG_BUTTON_IS_ON (CONFIGURATION_PORT | (1<<DEBUG_BUTTON))==DEBUG_BUTTON

#define RS_LED_OFF INDICATION_PORT |= (1 << RS_LED)
#define RS_LED_ON INDICATION_PORT &= ~(1 << RS_LED)


/************************** Prototypes *******************************/

void port_init ( void );
void Timer0_init ( void );