AVR Z-LINK®

ftdi.c

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/* This file has been prepared for Doxygen automatic documentation generation.*/
/* === Includes ============================================================ */
#include "ftdi.h"
/* ==== Macros ============================================================= */
/* === Typedefs ============================================================ */
/* === Variables =========================================================== */
/* === Prototypes ========================================================== */
/* === Call-backs ========================================================== */

void ftdiInitialization( void ){

        XRAM_ENABLE( ); 
        
        /* make sure USB_RXF and USB_TXE are inputs */
        FTDI_ENABLE_TX( );
        
        //Enable external interrupt on FTDI_RX pin.
        FTDI_CONFIGURE_PIN_CHANGE_INTERRUPT( );
        FTDI_ENABLE_RECEIVER( );
}


void ftdiSendSymbol( const uint8_t symbol ){

        //Wait until the fifo is ready.
        while( ( FTDI_TX_MASK & FTDI_PIN ) != LOW ){
                ;  
        }
        
        //Write symbol to memory address.
        *FTDI_Fifo = ( symbol );        
}