USB IR HID Device: usbdrv/oddebug.c Source File

00001 /* Name: oddebug.c
00002  * Project: AVR library
00003  * Author: Christian Starkjohann
00004  * Creation Date: 2005-01-16
00005  * Tabsize: 4
00006  * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
00007  * License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt)
00008  * This Revision: $Id: oddebug.c 275 2007-03-20 09:58:28Z cs $
00009  */
00010 
00011 #include "oddebug.h"
00012 
00013 #if DEBUG_LEVEL > 0
00014 
00015 #warning "Never compile production devices with debugging enabled"
00016 
00017 static void uartPutc(char c)
00018 {
00019     while(!(ODDBG_USR & (1 << ODDBG_UDRE)));    /* wait for data register empty */
00020     ODDBG_UDR = c;
00021 }
00022 
00023 static uchar    hexAscii(uchar h)
00024 {
00025     h &= 0xf;
00026     if(h >= 10)
00027         h += 'a' - (uchar)10 - '0';
00028     h += '0';
00029     return h;
00030 }
00031 
00032 static void printHex(uchar c)
00033 {
00034     uartPutc(hexAscii(c >> 4));
00035     uartPutc(hexAscii(c));
00036 }
00037 
00038 void    odDebug(uchar prefix, uchar *data, uchar len)
00039 {
00040     printHex(prefix);
00041     uartPutc(':');
00042     while(len--){
00043         uartPutc(' ');
00044         printHex(*data++);
00045     }
00046     uartPutc('\r');
00047     uartPutc('\n');
00048 }
00049 
00050 #endif