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1 /* Name: oddebug.h |
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2 * Project: AVR library |
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3 * Author: Christian Starkjohann |
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4 * Creation Date: 2005-01-16 |
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5 * Tabsize: 4 |
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6 * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH |
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7 * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) |
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8 */ |
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9 |
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10 #ifndef __oddebug_h_included__ |
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11 #define __oddebug_h_included__ |
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12 |
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13 /* |
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14 General Description: |
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15 This module implements a function for debug logs on the serial line of the |
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16 AVR microcontroller. Debugging can be configured with the define |
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17 'DEBUG_LEVEL'. If this macro is not defined or defined to 0, all debugging |
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18 calls are no-ops. If it is 1, DBG1 logs will appear, but not DBG2. If it is |
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19 2, DBG1 and DBG2 logs will be printed. |
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20 |
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21 A debug log consists of a label ('prefix') to indicate which debug log created |
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22 the output and a memory block to dump in hex ('data' and 'len'). |
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23 */ |
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24 |
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25 |
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26 #ifndef F_CPU |
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27 # define F_CPU 12000000 /* 12 MHz */ |
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28 #endif |
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29 |
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30 /* make sure we have the UART defines: */ |
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31 #include "usbportability.h" |
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32 |
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33 #ifndef uchar |
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34 # define uchar unsigned char |
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35 #endif |
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36 |
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37 #if DEBUG_LEVEL > 0 && !(defined TXEN || defined TXEN0) /* no UART in device */ |
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38 # warning "Debugging disabled because device has no UART" |
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39 # undef DEBUG_LEVEL |
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40 #endif |
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41 |
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42 #ifndef DEBUG_LEVEL |
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43 # define DEBUG_LEVEL 0 |
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44 #endif |
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45 |
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46 /* ------------------------------------------------------------------------- */ |
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47 |
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48 #if DEBUG_LEVEL > 0 |
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49 # define DBG1(prefix, data, len) odDebug(prefix, data, len) |
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50 #else |
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51 # define DBG1(prefix, data, len) |
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52 #endif |
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53 |
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54 #if DEBUG_LEVEL > 1 |
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55 # define DBG2(prefix, data, len) odDebug(prefix, data, len) |
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56 #else |
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57 # define DBG2(prefix, data, len) |
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58 #endif |
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59 |
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60 /* ------------------------------------------------------------------------- */ |
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61 |
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62 #if DEBUG_LEVEL > 0 |
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63 extern void odDebug(uchar prefix, uchar *data, uchar len); |
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64 |
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65 /* Try to find our control registers; ATMEL likes to rename these */ |
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66 |
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67 #if defined UBRR |
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68 # define ODDBG_UBRR UBRR |
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69 #elif defined UBRRL |
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70 # define ODDBG_UBRR UBRRL |
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71 #elif defined UBRR0 |
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72 # define ODDBG_UBRR UBRR0 |
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73 #elif defined UBRR0L |
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74 # define ODDBG_UBRR UBRR0L |
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75 #endif |
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76 |
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77 #if defined UCR |
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78 # define ODDBG_UCR UCR |
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79 #elif defined UCSRB |
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80 # define ODDBG_UCR UCSRB |
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81 #elif defined UCSR0B |
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82 # define ODDBG_UCR UCSR0B |
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83 #endif |
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84 |
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85 #if defined TXEN |
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86 # define ODDBG_TXEN TXEN |
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87 #else |
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88 # define ODDBG_TXEN TXEN0 |
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89 #endif |
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90 |
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91 #if defined USR |
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92 # define ODDBG_USR USR |
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93 #elif defined UCSRA |
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94 # define ODDBG_USR UCSRA |
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95 #elif defined UCSR0A |
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96 # define ODDBG_USR UCSR0A |
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97 #endif |
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98 |
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99 #if defined UDRE |
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100 # define ODDBG_UDRE UDRE |
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101 #else |
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102 # define ODDBG_UDRE UDRE0 |
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103 #endif |
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104 |
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105 #if defined UDR |
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106 # define ODDBG_UDR UDR |
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107 #elif defined UDR0 |
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108 # define ODDBG_UDR UDR0 |
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109 #endif |
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110 |
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111 static inline void odDebugInit(void) |
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112 { |
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113 ODDBG_UCR |= (1<<ODDBG_TXEN); |
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114 ODDBG_UBRR = F_CPU / (19200 * 16L) - 1; |
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115 } |
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116 #else |
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117 # define odDebugInit() |
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118 #endif |
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119 |
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120 /* ------------------------------------------------------------------------- */ |
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121 |
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122 #endif /* __oddebug_h_included__ */ |