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51 lines
1.0 KiB
51 lines
1.0 KiB
15 years ago
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/* Name: oddebug.c
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* Project: AVR library
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* Author: Christian Starkjohann
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* Creation Date: 2005-01-16
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* Tabsize: 4
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* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
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* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
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* This Revision: $Id: oddebug.c 692 2008-11-07 15:07:40Z cs $
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*/
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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)
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{
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while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */
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ODDBG_UDR = c;
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}
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static uchar hexAscii(uchar h)
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{
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h &= 0xf;
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if(h >= 10)
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h += 'a' - (uchar)10 - '0';
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h += '0';
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return h;
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}
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static void printHex(uchar c)
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{
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uartPutc(hexAscii(c >> 4));
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uartPutc(hexAscii(c));
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}
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void odDebug(uchar prefix, uchar *data, uchar len)
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{
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printHex(prefix);
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uartPutc(':');
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while(len--){
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uartPutc(' ');
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printHex(*data++);
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}
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uartPutc('\r');
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uartPutc('\n');
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}
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#endif
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