AVR Z-LINK®

com.h

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/* This file has been prepared for Doxygen automatic documentation generation.*/
#ifndef COM_H
#define COM_H
/*============================ INCLDUE =======================================*/
#include <stdint.h>
#include <stdbool.h>

#include "compiler.h"
/*============================ MACROS ========================================*/
#define ENABLE_RECEIVER  ( UCSR0B |= ( 1 << RXEN0 ) ) 
#define DISABLE_RECEIVER ( UCSR0B &= ~( 1 << RXEN0 ) ) 
#define ENABLE_TRANSMITTER  ( UCSR0B |= ( 1 << TXEN0 ) ) 
#define DISABLE_TRANSMITTER ( UCSR0B &= ~( 1 << TXEN0 ) ) 
#define ENABLE_RECEIVE_COMPLETE_INTERRUPT  ( UCSR0B |= ( 1 << RXCIE0 ) ) 
#define DISABLE_RECEIVE_COMPLETE_INTERRUPT ( UCSR0B &= ~( 1 << RXCIE0 ) ) 
#define LOW ( 0x00 )
#define XRAM_ENABLE( )     XMCRA |= ( 1 << SRE ); XMCRB |= ( 1 << XMBK )
#define XRAM_DISABLE( )    XMCRA &= ~( 1 << SRE )

#define FTDI_PORT                       ( PORTE )
#define FTDI_DDR                        ( DDRE )
#define FTDI_PIN                        ( PINE )
#define FTDI_TX_PIN                             ( PINE6 ) //Transmit buffer empty. PE6
#define FTDI_TX_MASK                    ( 1 << FTDI_TX_PIN )
#define FTDI_RX_PIN                             ( PINE7 ) //Receive buffer full. PE7
#define FTDI_FIFO_ADDRESS       ( 0xF000 )
#define FTDI_Fifo ( ( volatile uint8_t * )FTDI_FIFO_ADDRESS )

#define FTDI_ENABLE_TX( )                                               ( FTDI_DDR &= ~( 1 << FTDI_TX_PIN ) )
#define FTDI_CONFIGURE_PIN_CHANGE_INTERRUPT( )  ( EICRB &= ~( ( 1 << ISC71 ) | ( 1 << ISC70 ) ) )
#define FTDI_ENABLE_RECEIVER( )                                 ( EIMSK |= ( 1 << FTDI_RX_PIN ) )
#define FTDI_DISABLE_RECEIVER( )                                (EIMSK &= ~( 1 << FTDI_RX_PIN ) )
/*============================ TYPEDEFS ======================================*/
typedef enum{
  
  BR_9600  = 0x33, 
  BR_19200 = 0x19, 
  BR_38400 = 0x0C  
}baud_rate_t;
/*============================ VARIABLES =====================================*/
/*============================ PROTOTYPES ====================================*/

void com_init( baud_rate_t rate );
void com_send_string( uint8_t *data, uint8_t data_length );
void com_send_hex( uint8_t nmbr );
uint8_t * com_get_received_data( void );
uint8_t com_get_number_of_received_bytes( void );
void com_reset_receiver( void );
#endif