0,0 → 1,50 |
/* 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) or proprietary (CommercialLicense.txt) |
* This Revision: $Id: oddebug.c,v 1.2 2007/05/19 12:30:11 harbaum Exp $ |
*/ |
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#include "oddebug.h" |
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#if DEBUG_LEVEL > 0 |
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#warning "Never compile production devices with debugging enabled" |
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static void uartPutc(char c) |
{ |
while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */ |
ODDBG_UDR = c; |
} |
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static uchar hexAscii(uchar h) |
{ |
h &= 0xf; |
if(h >= 10) |
h += 'a' - (uchar)10 - '0'; |
h += '0'; |
return h; |
} |
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static void printHex(uchar c) |
{ |
uartPutc(hexAscii(c >> 4)); |
uartPutc(hexAscii(c)); |
} |
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void odDebug(uchar prefix, uchar *data, uchar len) |
{ |
printHex(prefix); |
uartPutc(':'); |
while(len--){ |
uartPutc(' '); |
printHex(*data++); |
} |
uartPutc('\r'); |
uartPutc('\n'); |
} |
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#endif |