firmware/usbdrv/oddebug.h

   1 /* Name: oddebug.h
   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 #ifndef __oddebug_h_included__
  11 #define __oddebug_h_included__
  12
  13 /*
  14 General Description:
  15 This module implements a function for debug logs on the serial line of the
  16 AVR microcontroller. Debugging can be configured with the define
  17 'DEBUG_LEVEL'. If this macro is not defined or defined to 0, all debugging
  18 calls are no-ops. If it is 1, DBG1 logs will appear, but not DBG2. If it is
  19 2, DBG1 and DBG2 logs will be printed.
  20
  21 A debug log consists of a label ('prefix') to indicate which debug log created
  22 the output and a memory block to dump in hex ('data' and 'len').
  23 */
  24
  25
  26 #ifndef F_CPU
  27 #   define  F_CPU   12000000    /* 12 MHz */
  28 #endif
  29
  30 /* make sure we have the UART defines: */
  31 #include "usbportability.h"
  32
  33 #ifndef uchar
  34 #   define  uchar   unsigned char
  35 #endif
  36
  37 #if DEBUG_LEVEL > 0 && !(defined TXEN || defined TXEN0) /* no UART in device */
  38 #   warning "Debugging disabled because device has no UART"
  39 #   undef   DEBUG_LEVEL
  40 #endif
  41
  42 #ifndef DEBUG_LEVEL
  43 #   define  DEBUG_LEVEL 0
  44 #endif
  45
  46 /* ------------------------------------------------------------------------- */
  47
  48 #if DEBUG_LEVEL > 0
  49 #   define  DBG1(prefix, data, len) odDebug(prefix, data, len)
  50 #else
  51 #   define  DBG1(prefix, data, len)
  52 #endif
  53
  54 #if DEBUG_LEVEL > 1
  55 #   define  DBG2(prefix, data, len) odDebug(prefix, data, len)
  56 #else
  57 #   define  DBG2(prefix, data, len)
  58 #endif
  59
  60 /* ------------------------------------------------------------------------- */
  61
  62 #if DEBUG_LEVEL > 0
  63 extern void odDebug(uchar prefix, uchar *data, uchar len);
  64
  65 /* Try to find our control registers; ATMEL likes to rename these */
  66
  67 #if defined UBRR
  68 #   define  ODDBG_UBRR  UBRR
  69 #elif defined UBRRL
  70 #   define  ODDBG_UBRR  UBRRL
  71 #elif defined UBRR0
  72 #   define  ODDBG_UBRR  UBRR0
  73 #elif defined UBRR0L
  74 #   define  ODDBG_UBRR  UBRR0L
  75 #endif
  76
  77 #if defined UCR
  78 #   define  ODDBG_UCR   UCR
  79 #elif defined UCSRB
  80 #   define  ODDBG_UCR   UCSRB
  81 #elif defined UCSR0B
  82 #   define  ODDBG_UCR   UCSR0B
  83 #endif
  84
  85 #if defined TXEN
  86 #   define  ODDBG_TXEN  TXEN
  87 #else
  88 #   define  ODDBG_TXEN  TXEN0
  89 #endif
  90
  91 #if defined USR
  92 #   define  ODDBG_USR   USR
  93 #elif defined UCSRA
  94 #   define  ODDBG_USR   UCSRA
  95 #elif defined UCSR0A
  96 #   define  ODDBG_USR   UCSR0A
  97 #endif
  98
  99 #if defined UDRE
 100 #   define  ODDBG_UDRE  UDRE
 101 #else
 102 #   define  ODDBG_UDRE  UDRE0
 103 #endif
 104
 105 #if defined UDR
 106 #   define  ODDBG_UDR   UDR
 107 #elif defined UDR0
 108 #   define  ODDBG_UDR   UDR0
 109 #endif
 110
 111 static inline void  odDebugInit(void)
 112 {
 113     ODDBG_UCR |= (1<<ODDBG_TXEN);
 114     ODDBG_UBRR = F_CPU / (19200 * 16L) - 1;
 115 }
 116 #else
 117 #   define odDebugInit()
 118 #endif
 119
 120 /* ------------------------------------------------------------------------- */
 121
 122 #endif /* __oddebug_h_included__ */