comparison: usbdrv/oddebug.c
usbdrv/oddebug.c
- changeset 0
- 9e9b2c78bd31
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| 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 */ | |
| 9 | |
| 10 #include "oddebug.h" | |
| 11 | |
| 12 #if DEBUG_LEVEL > 0 | |
| 13 | |
| 14 #warning "Never compile production devices with debugging enabled" | |
| 15 | |
| 16 static void uartPutc(char c) | |
| 17 { | |
| 18 while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */ | |
| 19 ODDBG_UDR = c; | |
| 20 } | |
| 21 | |
| 22 static uchar hexAscii(uchar h) | |
| 23 { | |
| 24 h &= 0xf; | |
| 25 if(h >= 10) | |
| 26 h += 'a' - (uchar)10 - '0'; | |
| 27 h += '0'; | |
| 28 return h; | |
| 29 } | |
| 30 | |
| 31 static void printHex(uchar c) | |
| 32 { | |
| 33 uartPutc(hexAscii(c >> 4)); | |
| 34 uartPutc(hexAscii(c)); | |
| 35 } | |
| 36 | |
| 37 void odDebug(uchar prefix, uchar *data, uchar len) | |
| 38 { | |
| 39 printHex(prefix); | |
| 40 uartPutc(':'); | |
| 41 while(len--){ | |
| 42 uartPutc(' '); | |
| 43 printHex(*data++); | |
| 44 } | |
| 45 uartPutc('\r'); | |
| 46 uartPutc('\n'); | |
| 47 } | |
| 48 | |
| 49 #endif |
