USB-LED-Fader/firmware/usbdrv/oddebug.c
2006-09-26 18:18:27 +00:00

54 lines
1.2 KiB
C

/* 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: Proprietary, free under certain conditions. See Documentation.
* This Revision: $Id: oddebug.c,v 1.1 2006/09/26 18:18:27 rschaten Exp $
*/
#include "oddebug.h"
#if DEBUG_LEVEL > 0
static uchar Warning__Never_compile_production_devices_with_debugging;
/* The "#warning" preprocessor directive is non-standard. The unused static
* variable above should give a compiler warning on all compilers.
*/
static void uartPutc(char c)
{
while(!(ODDBG_USR & (1 << ODDBG_UDRE))); /* wait for data register empty */
ODDBG_UDR = c;
}
static uchar hexAscii(uchar h)
{
h &= 0xf;
if(h >= 10)
h += 'a' - (uchar)10 - '0';
h += '0';
return h;
}
static void printHex(uchar c)
{
uartPutc(hexAscii(c >> 4));
uartPutc(hexAscii(c));
}
void odDebug(uchar prefix, uchar *data, uchar len)
{
printHex(prefix);
uartPutc(':');
while(len--){
uartPutc(' ');
printHex(*data++);
}
uartPutc('\r');
uartPutc('\n');
}
#endif