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124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
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/* Name: oddebug.h
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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.h 692 2008-11-07 15:07:40Z cs $
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*/
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#ifndef __oddebug_h_included__
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#define __oddebug_h_included__
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/*
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General Description:
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This module implements a function for debug logs on the serial line of the
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AVR microcontroller. Debugging can be configured with the define
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'DEBUG_LEVEL'. If this macro is not defined or defined to 0, all debugging
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calls are no-ops. If it is 1, DBG1 logs will appear, but not DBG2. If it is
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2, DBG1 and DBG2 logs will be printed.
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A debug log consists of a label ('prefix') to indicate which debug log created
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the output and a memory block to dump in hex ('data' and 'len').
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*/
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#ifndef F_CPU
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# define F_CPU 12000000 /* 12 MHz */
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#endif
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/* make sure we have the UART defines: */
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#include "usbportability.h"
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#ifndef uchar
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# define uchar unsigned char
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#endif
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#if DEBUG_LEVEL > 0 && !(defined TXEN || defined TXEN0) /* no UART in device */
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# warning "Debugging disabled because device has no UART"
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# undef DEBUG_LEVEL
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#endif
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#ifndef DEBUG_LEVEL
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# define DEBUG_LEVEL 0
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#endif
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/* ------------------------------------------------------------------------- */
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#if DEBUG_LEVEL > 0
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# define DBG1(prefix, data, len) odDebug(prefix, data, len)
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#else
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# define DBG1(prefix, data, len)
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#endif
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#if DEBUG_LEVEL > 1
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# define DBG2(prefix, data, len) odDebug(prefix, data, len)
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#else
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# define DBG2(prefix, data, len)
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#endif
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/* ------------------------------------------------------------------------- */
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#if DEBUG_LEVEL > 0
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extern void odDebug(uchar prefix, uchar *data, uchar len);
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/* Try to find our control registers; ATMEL likes to rename these */
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#if defined UBRR
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# define ODDBG_UBRR UBRR
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#elif defined UBRRL
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# define ODDBG_UBRR UBRRL
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#elif defined UBRR0
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# define ODDBG_UBRR UBRR0
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#elif defined UBRR0L
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# define ODDBG_UBRR UBRR0L
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#endif
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#if defined UCR
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# define ODDBG_UCR UCR
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#elif defined UCSRB
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# define ODDBG_UCR UCSRB
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#elif defined UCSR0B
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# define ODDBG_UCR UCSR0B
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#endif
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#if defined TXEN
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# define ODDBG_TXEN TXEN
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#else
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# define ODDBG_TXEN TXEN0
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#endif
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#if defined USR
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# define ODDBG_USR USR
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#elif defined UCSRA
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# define ODDBG_USR UCSRA
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#elif defined UCSR0A
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# define ODDBG_USR UCSR0A
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#endif
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#if defined UDRE
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# define ODDBG_UDRE UDRE
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#else
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# define ODDBG_UDRE UDRE0
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#endif
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#if defined UDR
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# define ODDBG_UDR UDR
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#elif defined UDR0
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# define ODDBG_UDR UDR0
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#endif
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static inline void odDebugInit(void)
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{
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ODDBG_UCR |= (1<<ODDBG_TXEN);
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ODDBG_UBRR = F_CPU / (19200 * 16L) - 1;
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}
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#else
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# define odDebugInit()
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#endif
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/* ------------------------------------------------------------------------- */
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#endif /* __oddebug_h_included__ */
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