| 1 | /* Name: oddebug.c |
| 2 | * Project: AVR library |
| 3 | * Author: Christian Starkjohann |
| 4 | * Creation Date: 2005-01-16 |
| 5 | * Tabsize: 4 |
| 6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH |
| 7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) |
| 8 | * This Revision: $Id: oddebug.c 692 2008-11-07 15:07:40Z cs $ |
| 9 | */ |
| 10 | |
| 11 | #include "oddebug.h" |
| 12 | |
| 13 | #if DEBUG_LEVEL > 0 |
| 14 | |
| 15 | #warning "Never compile production devices with debugging enabled" |
| 16 | |
| 17 | static void uartPutc(char c) |
| 18 | { |
| 19 | while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */ |
| 20 | ODDBG_UDR = c; |
| 21 | } |
| 22 | |
| 23 | static uchar hexAscii(uchar h) |
| 24 | { |
| 25 | h &= 0xf; |
| 26 | if(h >= 10) |
| 27 | h += 'a' - (uchar)10 - '0'; |
| 28 | h += '0'; |
| 29 | return h; |
| 30 | } |
| 31 | |
| 32 | static void printHex(uchar c) |
| 33 | { |
| 34 | uartPutc(hexAscii(c >> 4)); |
| 35 | uartPutc(hexAscii(c)); |
| 36 | } |
| 37 | |
| 38 | void odDebug(uchar prefix, uchar *data, uchar len) |
| 39 | { |
| 40 | printHex(prefix); |
| 41 | uartPutc(':'); |
| 42 | while(len--){ |
| 43 | uartPutc(' '); |
| 44 | printHex(*data++); |
| 45 | } |
| 46 | uartPutc('\r'); |
| 47 | uartPutc('\n'); |
| 48 | } |
| 49 | |
| 50 | #endif |