Subversion Repositories group.electronics

/* Name: oddebug.c

 * Project: AVR library

 * Author: Christian Starkjohann

 * Creation Date: 2005-01-16

 * Tabsize: 4

 * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH

 * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)

 */

#include "oddebug.h"

#if DEBUG_LEVEL > 0

#warning "Never compile production devices with debugging enabled"

static void uartPutc(char c)

{

    while(!(ODDBG_USR & (1 << ODDBG_UDRE)));    /* wait for data register empty */

    ODDBG_UDR = c;

}

static uchar    hexAscii(uchar h)

{

    h &= 0xf;

    if(h >= 10)

        h += 'a' - (uchar)10 - '0';

    h += '0';

    return h;

}

static void printHex(uchar c)

{

    uartPutc(hexAscii(c >> 4));

    uartPutc(hexAscii(c));

}

void    odDebug(uchar prefix, uchar *data, uchar len)

{

    printHex(prefix);

    uartPutc(':');

    while(len--){

        uartPutc(' ');

        printHex(*data++);

    }

    uartPutc('\r');

    uartPutc('\n');

}

#endif