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8 | <h1>rprintf.c</h1><a href="rprintf_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file rprintf.c \brief printf routine and associated routines. */</span> |
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9 | 00002 <span class="comment">//*****************************************************************************</span> |
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10 | 00003 <span class="comment">//</span> |
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11 | 00004 <span class="comment">// File Name : 'rprintf.c'</span> |
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12 | 00005 <span class="comment">// Title : printf routine and associated routines</span> |
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13 | 00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2000-2002</span> |
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14 | 00007 <span class="comment">// Created : 2000.12.26</span> |
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15 | 00008 <span class="comment">// Revised : 2003.5.1</span> |
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16 | 00009 <span class="comment">// Version : 1.0</span> |
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17 | 00010 <span class="comment">// Target MCU : Atmel AVR series and other targets</span> |
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18 | 00011 <span class="comment">// Editor Tabs : 4</span> |
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19 | 00012 <span class="comment">//</span> |
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20 | 00013 <span class="comment">// NOTE: This code is currently below version 1.0, and therefore is considered</span> |
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21 | 00014 <span class="comment">// to be lacking in some functionality or documentation, or may not be fully</span> |
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22 | 00015 <span class="comment">// tested. Nonetheless, you can expect most functions to work.</span> |
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23 | 00016 <span class="comment">//</span> |
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24 | 00017 <span class="comment">// This code is distributed under the GNU Public License</span> |
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25 | 00018 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span> |
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26 | 00019 <span class="comment">//</span> |
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27 | 00020 <span class="comment">//*****************************************************************************</span> |
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28 | 00021 |
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29 | 00022 <span class="preprocessor">#include <avr/pgmspace.h></span> |
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30 | 00023 <span class="comment">//#include <string-avr.h></span> |
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31 | 00024 <span class="comment">//#include <stdlib.h></span> |
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32 | 00025 <span class="preprocessor">#include <stdarg.h></span> |
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33 | 00026 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span> |
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34 | 00027 <span class="preprocessor">#include "<a class="code" href="rprintf_8h.html">rprintf.h</a>"</span> |
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35 | 00028 |
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36 | 00029 <span class="preprocessor">#ifndef TRUE</span> |
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37 | 00030 <span class="preprocessor"></span><span class="preprocessor"> #define TRUE -1</span> |
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38 | 00031 <span class="preprocessor"></span><span class="preprocessor"> #define FALSE 0</span> |
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39 | 00032 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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40 | 00033 <span class="preprocessor"></span> |
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41 | 00034 <span class="preprocessor">#define INF 32766 // maximum field size to print</span> |
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42 | 00035 <span class="preprocessor"></span><span class="preprocessor">#define READMEMBYTE(a,char_ptr) ((a)?(pgm_read_byte(char_ptr)):(*char_ptr))</span> |
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43 | 00036 <span class="preprocessor"></span> |
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44 | 00037 <span class="preprocessor">#ifdef RPRINTF_COMPLEX</span> |
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45 | 00038 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[128]; |
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46 | 00039 <span class="preprocessor">#endif</span> |
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47 | 00040 <span class="preprocessor"></span> |
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48 | 00041 <span class="comment">// use this to store hex conversion in RAM</span> |
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49 | 00042 <span class="comment">//static char HexChars[] = "0123456789ABCDEF";</span> |
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50 | 00043 <span class="comment">// use this to store hex conversion in program memory</span> |
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51 | 00044 <span class="comment">//static prog_char HexChars[] = "0123456789ABCDEF";</span> |
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52 | 00045 <span class="keyword">static</span> <span class="keywordtype">char</span> __attribute__ ((progmem)) HexChars[] = "0123456789ABCDEF"; |
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53 | 00046 |
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54 | 00047 #define hexchar(x) pgm_read_byte( HexChars+((x)&0x0f) ) |
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55 | 00048 <span class="comment">//#define hexchar(x) ((((x)&0x0F)>9)?((x)+'A'-10):((x)+'0'))</span> |
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56 | 00049 |
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57 | 00050 <span class="comment">// function pointer to single character output routine</span> |
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58 | 00051 static <span class="keywordtype">void</span> (*rputchar)(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c); |
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59 | 00052 |
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60 | 00053 <span class="comment">// *** rprintf initialization ***</span> |
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61 | 00054 <span class="comment">// you must call this function once and supply the character output</span> |
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62 | 00055 <span class="comment">// routine before using other functions in this library</span> |
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63 | 00056 <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga0">rprintfInit</a>(<span class="keywordtype">void</span> (*putchar_func)(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c)) |
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64 | 00057 { |
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65 | 00058 rputchar = putchar_func; |
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66 | 00059 } |
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67 | 00060 |
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68 | 00061 <span class="comment">// *** rprintfChar ***</span> |
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69 | 00062 <span class="comment">// send a character/byte to the current output device</span> |
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70 | <a name="l00063"></a><a class="code" href="group__rprintf.html#ga1">00063</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c) |
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71 | 00064 { |
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72 | 00065 <span class="comment">// do LF -> CR/LF translation</span> |
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73 | 00066 <span class="keywordflow">if</span>(c == <span class="charliteral">'\n'</span>) |
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74 | 00067 rputchar(<span class="charliteral">'\r'</span>); |
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75 | 00068 <span class="comment">// send character</span> |
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76 | 00069 rputchar(c); |
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77 | 00070 } |
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78 | 00071 |
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79 | 00072 <span class="comment">// *** rprintfStr ***</span> |
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80 | 00073 <span class="comment">// prints a null-terminated string stored in RAM</span> |
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81 | <a name="l00074"></a><a class="code" href="group__rprintf.html#ga2">00074</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga2">rprintfStr</a>(<span class="keywordtype">char</span> str[]) |
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82 | 00075 { |
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83 | 00076 <span class="comment">// send a string stored in RAM</span> |
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84 | 00077 <span class="comment">// check to make sure we have a good pointer</span> |
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85 | 00078 <span class="keywordflow">if</span> (!str) <span class="keywordflow">return</span>; |
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86 | 00079 |
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87 | 00080 <span class="comment">// print the string until a null-terminator</span> |
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88 | 00081 <span class="keywordflow">while</span> (*str) |
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89 | 00082 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(*str++); |
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90 | 00083 } |
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91 | 00084 |
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92 | 00085 <span class="comment">// *** rprintfStrLen ***</span> |
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93 | 00086 <span class="comment">// prints a section of a string stored in RAM</span> |
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94 | 00087 <span class="comment">// begins printing at position indicated by <start></span> |
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95 | 00088 <span class="comment">// prints number of characters indicated by <len></span> |
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96 | <a name="l00089"></a><a class="code" href="group__rprintf.html#ga3">00089</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga3">rprintfStrLen</a>(<span class="keywordtype">char</span> str[], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> start, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len) |
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97 | 00090 { |
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98 | 00091 <span class="keyword">register</span> <span class="keywordtype">int</span> i=0; |
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99 | 00092 |
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100 | 00093 <span class="comment">// check to make sure we have a good pointer</span> |
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101 | 00094 <span class="keywordflow">if</span> (!str) <span class="keywordflow">return</span>; |
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102 | 00095 <span class="comment">// spin through characters up to requested start</span> |
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103 | 00096 <span class="comment">// keep going as long as there's no null</span> |
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104 | 00097 <span class="keywordflow">while</span>((i++<start) && (*str++)); |
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105 | 00098 <span class="comment">// for(i=0; i<start; i++)</span> |
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106 | 00099 <span class="comment">// {</span> |
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107 | 00100 <span class="comment">// // keep steping through string as long as there's no null</span> |
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108 | 00101 <span class="comment">// if(*str) str++;</span> |
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109 | 00102 <span class="comment">// }</span> |
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110 | 00103 |
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111 | 00104 <span class="comment">// then print exactly len characters</span> |
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112 | 00105 <span class="keywordflow">for</span>(i=0; i<len; i++) |
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113 | 00106 { |
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114 | 00107 <span class="comment">// print data out of the string as long as we haven't reached a null yet</span> |
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115 | 00108 <span class="comment">// at the null, start printing spaces</span> |
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116 | 00109 <span class="keywordflow">if</span>(*str) |
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117 | 00110 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(*str++); |
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118 | 00111 <span class="keywordflow">else</span> |
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119 | 00112 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">' '</span>); |
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120 | 00113 } |
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121 | 00114 |
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122 | 00115 } |
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123 | 00116 |
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124 | 00117 <span class="comment">// *** rprintfProgStr ***</span> |
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125 | 00118 <span class="comment">// prints a null-terminated string stored in program ROM</span> |
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126 | <a name="l00119"></a><a class="code" href="group__rprintf.html#ga4">00119</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga4">rprintfProgStr</a>(<span class="keyword">const</span> prog_char str[]) |
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127 | 00120 { |
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128 | 00121 <span class="comment">// print a string stored in program memory</span> |
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129 | 00122 <span class="keyword">register</span> <span class="keywordtype">char</span> c; |
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130 | 00123 |
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131 | 00124 <span class="comment">// check to make sure we have a good pointer</span> |
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132 | 00125 <span class="keywordflow">if</span> (!str) <span class="keywordflow">return</span>; |
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133 | 00126 |
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134 | 00127 <span class="comment">// print the string until the null-terminator</span> |
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135 | 00128 <span class="keywordflow">while</span>((c = pgm_read_byte(str++))) |
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136 | 00129 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(c); |
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137 | 00130 } |
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138 | 00131 |
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139 | 00132 <span class="comment">// *** rprintfCRLF ***</span> |
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140 | 00133 <span class="comment">// prints carriage return and line feed</span> |
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141 | <a name="l00134"></a><a class="code" href="group__rprintf.html#ga5">00134</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga5">rprintfCRLF</a>(<span class="keywordtype">void</span>) |
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142 | 00135 { |
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143 | 00136 <span class="comment">// print CR/LF</span> |
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144 | 00137 <span class="comment">//rprintfChar('\r');</span> |
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145 | 00138 <span class="comment">// LF -> CR/LF translation built-in to rprintfChar()</span> |
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146 | 00139 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'\n'</span>); |
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147 | 00140 } |
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148 | 00141 |
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149 | 00142 <span class="comment">// *** rprintfu04 ***</span> |
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150 | 00143 <span class="comment">// prints an unsigned 4-bit number in hex (1 digit)</span> |
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151 | <a name="l00144"></a><a class="code" href="group__rprintf.html#ga6">00144</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga6">rprintfu04</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data) |
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152 | 00145 { |
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153 | 00146 <span class="comment">// print 4-bit hex value</span> |
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154 | 00147 <span class="comment">// char Character = data&0x0f;</span> |
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155 | 00148 <span class="comment">// if (Character>9)</span> |
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156 | 00149 <span class="comment">// Character+='A'-10;</span> |
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157 | 00150 <span class="comment">// else</span> |
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158 | 00151 <span class="comment">// Character+='0';</span> |
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159 | 00152 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(hexchar(data)); |
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160 | 00153 } |
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161 | 00154 |
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162 | 00155 <span class="comment">// *** rprintfu08 ***</span> |
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163 | 00156 <span class="comment">// prints an unsigned 8-bit number in hex (2 digits)</span> |
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164 | <a name="l00157"></a><a class="code" href="group__rprintf.html#ga7">00157</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data) |
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165 | 00158 { |
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166 | 00159 <span class="comment">// print 8-bit hex value</span> |
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167 | 00160 <a class="code" href="group__rprintf.html#ga6">rprintfu04</a>(data>>4); |
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168 | 00161 <a class="code" href="group__rprintf.html#ga6">rprintfu04</a>(data); |
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169 | 00162 } |
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170 | 00163 |
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171 | 00164 <span class="comment">// *** rprintfu16 ***</span> |
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172 | 00165 <span class="comment">// prints an unsigned 16-bit number in hex (4 digits)</span> |
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173 | <a name="l00166"></a><a class="code" href="group__rprintf.html#ga8">00166</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga8">rprintfu16</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> data) |
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174 | 00167 { |
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175 | 00168 <span class="comment">// print 16-bit hex value</span> |
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176 | 00169 <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(data>>8); |
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177 | 00170 <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(data); |
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178 | 00171 } |
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179 | 00172 |
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180 | 00173 <span class="comment">// *** rprintfu32 ***</span> |
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181 | 00174 <span class="comment">// prints an unsigned 32-bit number in hex (8 digits)</span> |
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182 | <a name="l00175"></a><a class="code" href="group__rprintf.html#ga9">00175</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga9">rprintfu32</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> data) |
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183 | 00176 { |
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184 | 00177 <span class="comment">// print 32-bit hex value</span> |
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185 | 00178 <a class="code" href="group__rprintf.html#ga8">rprintfu16</a>(data>>16); |
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186 | 00179 <a class="code" href="group__rprintf.html#ga8">rprintfu16</a>(data); |
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187 | 00180 } |
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188 | 00181 |
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189 | 00182 <span class="comment">// *** rprintfNum ***</span> |
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190 | 00183 <span class="comment">// special printf for numbers only</span> |
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191 | 00184 <span class="comment">// see formatting information below</span> |
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192 | 00185 <span class="comment">// Print the number "n" in the given "base"</span> |
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193 | 00186 <span class="comment">// using exactly "numDigits"</span> |
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194 | 00187 <span class="comment">// print +/- if signed flag "isSigned" is TRUE</span> |
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195 | 00188 <span class="comment">// use the character specified in "padchar" to pad extra characters</span> |
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196 | 00189 <span class="comment">//</span> |
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197 | 00190 <span class="comment">// Examples:</span> |
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198 | 00191 <span class="comment">// uartPrintfNum(10, 6, TRUE, ' ', 1234); --> " +1234"</span> |
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199 | 00192 <span class="comment">// uartPrintfNum(10, 6, FALSE, '0', 1234); --> "001234"</span> |
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200 | 00193 <span class="comment">// uartPrintfNum(16, 6, FALSE, '.', 0x5AA5); --> "..5AA5"</span> |
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201 | <a name="l00194"></a><a class="code" href="group__rprintf.html#ga10">00194</a> <span class="keywordtype">void</span> <a class="code" href="group__rprintf.html#ga10">rprintfNum</a>(<span class="keywordtype">char</span> base, <span class="keywordtype">char</span> numDigits, <span class="keywordtype">char</span> isSigned, <span class="keywordtype">char</span> padchar, <span class="keywordtype">long</span> n) |
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202 | 00195 { |
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203 | 00196 <span class="comment">// define a global HexChars or use line below</span> |
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204 | 00197 <span class="comment">//static char HexChars[16] = "0123456789ABCDEF";</span> |
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205 | 00198 <span class="keywordtype">char</span> *p, buf[32]; |
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206 | 00199 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> x; |
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207 | 00200 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> count; |
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208 | 00201 |
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209 | 00202 <span class="comment">// prepare negative number</span> |
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210 | 00203 <span class="keywordflow">if</span>( isSigned && (n < 0) ) |
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211 | 00204 { |
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212 | 00205 x = -n; |
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213 | 00206 } |
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214 | 00207 <span class="keywordflow">else</span> |
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215 | 00208 { |
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216 | 00209 x = n; |
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217 | 00210 } |
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218 | 00211 |
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219 | 00212 <span class="comment">// setup little string buffer</span> |
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220 | 00213 count = (numDigits-1)-(isSigned?1:0); |
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221 | 00214 p = buf + <span class="keyword">sizeof</span> (buf); |
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222 | 00215 *--p = <span class="charliteral">'\0'</span>; |
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223 | 00216 |
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224 | 00217 <span class="comment">// force calculation of first digit</span> |
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225 | 00218 <span class="comment">// (to prevent zero from not printing at all!!!)</span> |
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226 | 00219 *--p = hexchar(x%base); x /= base; |
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227 | 00220 <span class="comment">// calculate remaining digits</span> |
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228 | 00221 <span class="keywordflow">while</span>(count--) |
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229 | 00222 { |
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230 | 00223 <span class="keywordflow">if</span>(x != 0) |
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231 | 00224 { |
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232 | 00225 <span class="comment">// calculate next digit</span> |
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233 | 00226 *--p = hexchar(x%base); x /= base; |
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234 | 00227 } |
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235 | 00228 <span class="keywordflow">else</span> |
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236 | 00229 { |
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237 | 00230 <span class="comment">// no more digits left, pad out to desired length</span> |
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238 | 00231 *--p = padchar; |
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239 | 00232 } |
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240 | 00233 } |
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241 | 00234 |
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242 | 00235 <span class="comment">// apply signed notation if requested</span> |
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243 | 00236 <span class="keywordflow">if</span>( isSigned ) |
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244 | 00237 { |
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245 | 00238 <span class="keywordflow">if</span>(n < 0) |
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246 | 00239 { |
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247 | 00240 *--p = <span class="charliteral">'-'</span>; |
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248 | 00241 } |
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249 | 00242 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(n > 0) |
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250 | 00243 { |
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251 | 00244 *--p = <span class="charliteral">'+'</span>; |
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252 | 00245 } |
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253 | 00246 <span class="keywordflow">else</span> |
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254 | 00247 { |
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255 | 00248 *--p = <span class="charliteral">' '</span>; |
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256 | 00249 } |
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257 | 00250 } |
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258 | 00251 |
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259 | 00252 <span class="comment">// print the string right-justified</span> |
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260 | 00253 count = numDigits; |
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261 | 00254 <span class="keywordflow">while</span>(count--) |
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262 | 00255 { |
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263 | 00256 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(*p++); |
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264 | 00257 } |
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265 | 00258 } |
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266 | 00259 |
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267 | 00260 <span class="preprocessor">#ifdef RPRINTF_FLOAT</span> |
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268 | 00261 <span class="preprocessor"></span><span class="comment">// *** rprintfFloat ***</span> |
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269 | 00262 <span class="comment">// floating-point print</span> |
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270 | 00263 <span class="keywordtype">void</span> rprintfFloat(<span class="keywordtype">char</span> numDigits, <span class="keywordtype">double</span> x) |
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271 | 00264 { |
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272 | 00265 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> firstplace = FALSE; |
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273 | 00266 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> negative; |
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274 | 00267 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> i, digit; |
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275 | 00268 <span class="keywordtype">double</span> place = 1.0; |
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276 | 00269 |
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277 | 00270 <span class="comment">// save sign</span> |
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278 | 00271 negative = (x<0); |
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279 | 00272 <span class="comment">// convert to absolute value</span> |
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280 | 00273 x = (x>0)?(x):(-x); |
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281 | 00274 |
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282 | 00275 <span class="comment">// find starting digit place</span> |
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283 | 00276 <span class="keywordflow">for</span>(i=0; i<15; i++) |
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284 | 00277 { |
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285 | 00278 <span class="keywordflow">if</span>((x/place) < 10.0) |
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286 | 00279 <span class="keywordflow">break</span>; |
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287 | 00280 <span class="keywordflow">else</span> |
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288 | 00281 place *= 10.0; |
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289 | 00282 } |
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290 | 00283 <span class="comment">// print polarity character</span> |
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291 | 00284 <span class="keywordflow">if</span>(negative) |
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292 | 00285 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'-'</span>); |
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293 | 00286 <span class="keywordflow">else</span> |
||
294 | 00287 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'+'</span>); |
||
295 | 00288 |
||
296 | 00289 <span class="comment">// print digits</span> |
||
297 | 00290 <span class="keywordflow">for</span>(i=0; i<numDigits; i++) |
||
298 | 00291 { |
||
299 | 00292 digit = (x/place); |
||
300 | 00293 |
||
301 | 00294 <span class="keywordflow">if</span>(digit | firstplace | (place == 1.0)) |
||
302 | 00295 { |
||
303 | 00296 firstplace = TRUE; |
||
304 | 00297 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(digit+0x30); |
||
305 | 00298 } |
||
306 | 00299 <span class="keywordflow">else</span> |
||
307 | 00300 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">' '</span>); |
||
308 | 00301 |
||
309 | 00302 <span class="keywordflow">if</span>(place == 1.0) |
||
310 | 00303 { |
||
311 | 00304 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'.'</span>); |
||
312 | 00305 } |
||
313 | 00306 |
||
314 | 00307 x -= (digit*place); |
||
315 | 00308 place /= 10.0; |
||
316 | 00309 } |
||
317 | 00310 } |
||
318 | 00311 <span class="preprocessor">#endif</span> |
||
319 | 00312 <span class="preprocessor"></span> |
||
320 | 00313 <span class="preprocessor">#ifdef RPRINTF_SIMPLE</span> |
||
321 | 00314 <span class="preprocessor"></span><span class="comment">// *** rprintf1RamRom ***</span> |
||
322 | 00315 <span class="comment">// called by rprintf() - does a simple printf (supports %d, %x, %c)</span> |
||
323 | 00316 <span class="comment">// Supports:</span> |
||
324 | 00317 <span class="comment">// %d - decimal</span> |
||
325 | 00318 <span class="comment">// %x - hex</span> |
||
326 | 00319 <span class="comment">// %c - character</span> |
||
327 | <a name="l00320"></a><a class="code" href="group__rprintf.html#ga11">00320</a> <span class="keywordtype">int</span> <a class="code" href="group__rprintf.html#ga11">rprintf1RamRom</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stringInRom, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ...) |
||
328 | 00321 { |
||
329 | 00322 <span class="comment">// simple printf routine</span> |
||
330 | 00323 <span class="comment">// define a global HexChars or use line below</span> |
||
331 | 00324 <span class="comment">//static char HexChars[16] = "0123456789ABCDEF";</span> |
||
332 | 00325 <span class="keywordtype">char</span> format_flag; |
||
333 | 00326 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u_val, div_val, base; |
||
334 | 00327 va_list ap; |
||
335 | 00328 |
||
336 | 00329 va_start(ap, format); |
||
337 | 00330 <span class="keywordflow">for</span> (;;) |
||
338 | 00331 { |
||
339 | 00332 <span class="keywordflow">while</span> ((format_flag = READMEMBYTE(stringInRom,format++) ) != <span class="charliteral">'%'</span>) |
||
340 | 00333 { <span class="comment">// Until '%' or '\0'</span> |
||
341 | 00334 <span class="keywordflow">if</span> (!format_flag) |
||
342 | 00335 { |
||
343 | 00336 va_end(ap); |
||
344 | 00337 <span class="keywordflow">return</span>(0); |
||
345 | 00338 } |
||
346 | 00339 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(format_flag); |
||
347 | 00340 } |
||
348 | 00341 |
||
349 | 00342 <span class="keywordflow">switch</span> (format_flag = READMEMBYTE(stringInRom,format++) ) |
||
350 | 00343 { |
||
351 | 00344 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: format_flag = va_arg(ap,<span class="keywordtype">int</span>); |
||
352 | 00345 <span class="keywordflow">default</span>: <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(format_flag); <span class="keywordflow">continue</span>; |
||
353 | 00346 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>: base = 10; div_val = 10000; <span class="keywordflow">goto</span> CONVERSION_LOOP; |
||
354 | 00347 <span class="comment">// case 'x': base = 16; div_val = 0x10;</span> |
||
355 | 00348 <span class="keywordflow">case</span> <span class="charliteral">'x'</span>: base = 16; div_val = 0x1000; |
||
356 | 00349 |
||
357 | 00350 CONVERSION_LOOP: |
||
358 | 00351 u_val = va_arg(ap,<span class="keywordtype">int</span>); |
||
359 | 00352 <span class="keywordflow">if</span> (format_flag == <span class="charliteral">'d'</span>) |
||
360 | 00353 { |
||
361 | 00354 <span class="keywordflow">if</span> (((<span class="keywordtype">int</span>)u_val) < 0) |
||
362 | 00355 { |
||
363 | 00356 u_val = - u_val; |
||
364 | 00357 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'-'</span>); |
||
365 | 00358 } |
||
366 | 00359 <span class="keywordflow">while</span> (div_val > 1 && div_val > u_val) div_val /= 10; |
||
367 | 00360 } |
||
368 | 00361 <span class="keywordflow">do</span> |
||
369 | 00362 { |
||
370 | 00363 <span class="comment">//rprintfChar(pgm_read_byte(HexChars+(u_val/div_val)));</span> |
||
371 | 00364 <a class="code" href="group__rprintf.html#ga6">rprintfu04</a>(u_val/div_val); |
||
372 | 00365 u_val %= div_val; |
||
373 | 00366 div_val /= base; |
||
374 | 00367 } <span class="keywordflow">while</span> (div_val); |
||
375 | 00368 } |
||
376 | 00369 } |
||
377 | 00370 va_end(ap); |
||
378 | 00371 } |
||
379 | 00372 <span class="preprocessor">#endif</span> |
||
380 | 00373 <span class="preprocessor"></span> |
||
381 | 00374 |
||
382 | 00375 <span class="preprocessor">#ifdef RPRINTF_COMPLEX</span> |
||
383 | 00376 <span class="preprocessor"></span><span class="comment">// *** rprintf2RamRom ***</span> |
||
384 | 00377 <span class="comment">// called by rprintf() - does a more powerful printf (supports %d, %u, %o, %x, %c, %s)</span> |
||
385 | 00378 <span class="comment">// Supports:</span> |
||
386 | 00379 <span class="comment">// %d - decimal</span> |
||
387 | 00380 <span class="comment">// %u - unsigned decimal</span> |
||
388 | 00381 <span class="comment">// %o - octal</span> |
||
389 | 00382 <span class="comment">// %x - hex</span> |
||
390 | 00383 <span class="comment">// %c - character</span> |
||
391 | 00384 <span class="comment">// %s - strings</span> |
||
392 | 00385 <span class="comment">// and the width,precision,padding modifiers</span> |
||
393 | 00386 <span class="comment">// **this printf does not support floating point numbers</span> |
||
394 | 00387 <span class="keywordtype">int</span> rprintf2RamRom(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stringInRom, <span class="keyword">const</span> <span class="keywordtype">char</span> *sfmt, ...) |
||
395 | 00388 { |
||
396 | 00389 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *f, *bp; |
||
397 | 00390 <span class="keyword">register</span> <span class="keywordtype">long</span> l; |
||
398 | 00391 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> u; |
||
399 | 00392 <span class="keyword">register</span> <span class="keywordtype">int</span> i; |
||
400 | 00393 <span class="keyword">register</span> <span class="keywordtype">int</span> fmt; |
||
401 | 00394 <span class="keyword">register</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pad = <span class="charliteral">' '</span>; |
||
402 | 00395 <span class="keywordtype">int</span> flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0; |
||
403 | 00396 <span class="keywordtype">int</span> sign = 0; |
||
404 | 00397 |
||
405 | 00398 va_list ap; |
||
406 | 00399 va_start(ap, sfmt); |
||
407 | 00400 |
||
408 | 00401 f = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) sfmt; |
||
409 | 00402 |
||
410 | 00403 <span class="keywordflow">for</span> (; READMEMBYTE(stringInRom,f); f++) |
||
411 | 00404 { |
||
412 | 00405 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) != <span class="charliteral">'%'</span>) |
||
413 | 00406 { <span class="comment">// not a format character</span> |
||
414 | 00407 <span class="comment">// then just output the char</span> |
||
415 | 00408 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(READMEMBYTE(stringInRom,f)); |
||
416 | 00409 } |
||
417 | 00410 <span class="keywordflow">else</span> |
||
418 | 00411 { |
||
419 | 00412 f++; <span class="comment">// if we have a "%" then skip it</span> |
||
420 | 00413 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'-'</span>) |
||
421 | 00414 { |
||
422 | 00415 flush_left = 1; <span class="comment">// minus: flush left</span> |
||
423 | 00416 f++; |
||
424 | 00417 } |
||
425 | 00418 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'0'</span> |
||
426 | 00419 || READMEMBYTE(stringInRom,f) == <span class="charliteral">'.'</span>) |
||
427 | 00420 { |
||
428 | 00421 <span class="comment">// padding with 0 rather than blank</span> |
||
429 | 00422 pad = <span class="charliteral">'0'</span>; |
||
430 | 00423 f++; |
||
431 | 00424 } |
||
432 | 00425 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'*'</span>) |
||
433 | 00426 { <span class="comment">// field width</span> |
||
434 | 00427 f_width = va_arg(ap, <span class="keywordtype">int</span>); |
||
435 | 00428 f++; |
||
436 | 00429 } |
||
437 | 00430 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Isdigit(READMEMBYTE(stringInRom,f))) |
||
438 | 00431 { |
||
439 | 00432 f_width = atoiRamRom(stringInRom, (<span class="keywordtype">char</span> *) f); |
||
440 | 00433 <span class="keywordflow">while</span> (Isdigit(READMEMBYTE(stringInRom,f))) |
||
441 | 00434 f++; <span class="comment">// skip the digits</span> |
||
442 | 00435 } |
||
443 | 00436 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'.'</span>) |
||
444 | 00437 { <span class="comment">// precision</span> |
||
445 | 00438 f++; |
||
446 | 00439 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'*'</span>) |
||
447 | 00440 { |
||
448 | 00441 prec = va_arg(ap, <span class="keywordtype">int</span>); |
||
449 | 00442 f++; |
||
450 | 00443 } |
||
451 | 00444 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Isdigit(READMEMBYTE(stringInRom,f))) |
||
452 | 00445 { |
||
453 | 00446 prec = atoiRamRom(stringInRom, (<span class="keywordtype">char</span> *) f); |
||
454 | 00447 <span class="keywordflow">while</span> (Isdigit(READMEMBYTE(stringInRom,f))) |
||
455 | 00448 f++; <span class="comment">// skip the digits</span> |
||
456 | 00449 } |
||
457 | 00450 } |
||
458 | 00451 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'#'</span>) |
||
459 | 00452 { <span class="comment">// alternate form</span> |
||
460 | 00453 hash = 1; |
||
461 | 00454 f++; |
||
462 | 00455 } |
||
463 | 00456 <span class="keywordflow">if</span> (READMEMBYTE(stringInRom,f) == <span class="charliteral">'l'</span>) |
||
464 | 00457 { <span class="comment">// long format</span> |
||
465 | 00458 do_long = 1; |
||
466 | 00459 f++; |
||
467 | 00460 } |
||
468 | 00461 |
||
469 | 00462 fmt = READMEMBYTE(stringInRom,f); |
||
470 | 00463 bp = buf; |
||
471 | 00464 <span class="keywordflow">switch</span> (fmt) { <span class="comment">// do the formatting</span> |
||
472 | 00465 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>: <span class="comment">// 'd' signed decimal</span> |
||
473 | 00466 <span class="keywordflow">if</span> (do_long) |
||
474 | 00467 l = va_arg(ap, <span class="keywordtype">long</span>); |
||
475 | 00468 <span class="keywordflow">else</span> |
||
476 | 00469 l = (long) (va_arg(ap, <span class="keywordtype">int</span>)); |
||
477 | 00470 <span class="keywordflow">if</span> (l < 0) |
||
478 | 00471 { |
||
479 | 00472 sign = 1; |
||
480 | 00473 l = -l; |
||
481 | 00474 } |
||
482 | 00475 <span class="keywordflow">do</span> { |
||
483 | 00476 *bp++ = l % 10 + <span class="charliteral">'0'</span>; |
||
484 | 00477 } <span class="keywordflow">while</span> ((l /= 10) > 0); |
||
485 | 00478 <span class="keywordflow">if</span> (sign) |
||
486 | 00479 *bp++ = <span class="charliteral">'-'</span>; |
||
487 | 00480 f_width = f_width - (bp - buf); |
||
488 | 00481 <span class="keywordflow">if</span> (!flush_left) |
||
489 | 00482 <span class="keywordflow">while</span> (f_width-- > 0) |
||
490 | 00483 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(pad); |
||
491 | 00484 <span class="keywordflow">for</span> (bp--; bp >= buf; bp--) |
||
492 | 00485 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(*bp); |
||
493 | 00486 <span class="keywordflow">if</span> (flush_left) |
||
494 | 00487 <span class="keywordflow">while</span> (f_width-- > 0) |
||
495 | 00488 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">' '</span>); |
||
496 | 00489 <span class="keywordflow">break</span>; |
||
497 | 00490 <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: <span class="comment">// 'o' octal number</span> |
||
498 | 00491 <span class="keywordflow">case</span> <span class="charliteral">'x'</span>: <span class="comment">// 'x' hex number</span> |
||
499 | 00492 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: <span class="comment">// 'u' unsigned decimal</span> |
||
500 | 00493 <span class="keywordflow">if</span> (do_long) |
||
501 | 00494 u = va_arg(ap, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>); |
||
502 | 00495 <span class="keywordflow">else</span> |
||
503 | 00496 u = (<span class="keywordtype">unsigned</span> long) (va_arg(ap, <span class="keywordtype">unsigned</span>)); |
||
504 | 00497 <span class="keywordflow">if</span> (fmt == <span class="charliteral">'u'</span>) |
||
505 | 00498 { <span class="comment">// unsigned decimal</span> |
||
506 | 00499 <span class="keywordflow">do</span> { |
||
507 | 00500 *bp++ = u % 10 + <span class="charliteral">'0'</span>; |
||
508 | 00501 } <span class="keywordflow">while</span> ((u /= 10) > 0); |
||
509 | 00502 } |
||
510 | 00503 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fmt == <span class="charliteral">'o'</span>) |
||
511 | 00504 { <span class="comment">// octal</span> |
||
512 | 00505 <span class="keywordflow">do</span> { |
||
513 | 00506 *bp++ = u % 8 + <span class="charliteral">'0'</span>; |
||
514 | 00507 } <span class="keywordflow">while</span> ((u /= 8) > 0); |
||
515 | 00508 <span class="keywordflow">if</span> (hash) |
||
516 | 00509 *bp++ = <span class="charliteral">'0'</span>; |
||
517 | 00510 } |
||
518 | 00511 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fmt == <span class="charliteral">'x'</span>) |
||
519 | 00512 { <span class="comment">// hex</span> |
||
520 | 00513 <span class="keywordflow">do</span> { |
||
521 | 00514 i = u % 16; |
||
522 | 00515 <span class="keywordflow">if</span> (i < 10) |
||
523 | 00516 *bp++ = i + <span class="charliteral">'0'</span>; |
||
524 | 00517 <span class="keywordflow">else</span> |
||
525 | 00518 *bp++ = i - 10 + <span class="charliteral">'a'</span>; |
||
526 | 00519 } <span class="keywordflow">while</span> ((u /= 16) > 0); |
||
527 | 00520 <span class="keywordflow">if</span> (hash) |
||
528 | 00521 { |
||
529 | 00522 *bp++ = <span class="charliteral">'x'</span>; |
||
530 | 00523 *bp++ = <span class="charliteral">'0'</span>; |
||
531 | 00524 } |
||
532 | 00525 } |
||
533 | 00526 i = f_width - (bp - buf); |
||
534 | 00527 <span class="keywordflow">if</span> (!flush_left) |
||
535 | 00528 <span class="keywordflow">while</span> (i-- > 0) |
||
536 | 00529 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(pad); |
||
537 | 00530 <span class="keywordflow">for</span> (bp--; bp >= buf; bp--) |
||
538 | 00531 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>((<span class="keywordtype">int</span>) (*bp)); |
||
539 | 00532 <span class="keywordflow">if</span> (flush_left) |
||
540 | 00533 <span class="keywordflow">while</span> (i-- > 0) |
||
541 | 00534 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">' '</span>); |
||
542 | 00535 <span class="keywordflow">break</span>; |
||
543 | 00536 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: <span class="comment">// 'c' character</span> |
||
544 | 00537 i = va_arg(ap, <span class="keywordtype">int</span>); |
||
545 | 00538 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>((<span class="keywordtype">int</span>) (i)); |
||
546 | 00539 <span class="keywordflow">break</span>; |
||
547 | 00540 <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: <span class="comment">// 's' string</span> |
||
548 | 00541 bp = va_arg(ap, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *); |
||
549 | 00542 <span class="keywordflow">if</span> (!bp) |
||
550 | 00543 bp = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) <span class="stringliteral">"(nil)"</span>; |
||
551 | 00544 f_width = f_width - strlen((<span class="keywordtype">char</span> *) bp); |
||
552 | 00545 <span class="keywordflow">if</span> (!flush_left) |
||
553 | 00546 <span class="keywordflow">while</span> (f_width-- > 0) |
||
554 | 00547 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(pad); |
||
555 | 00548 <span class="keywordflow">for</span> (i = 0; *bp && i < prec; i++) |
||
556 | 00549 { |
||
557 | 00550 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(*bp); |
||
558 | 00551 bp++; |
||
559 | 00552 } |
||
560 | 00553 <span class="keywordflow">if</span> (flush_left) |
||
561 | 00554 <span class="keywordflow">while</span> (f_width-- > 0) |
||
562 | 00555 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">' '</span>); |
||
563 | 00556 <span class="keywordflow">break</span>; |
||
564 | 00557 <span class="keywordflow">case</span> <span class="charliteral">'%'</span>: <span class="comment">// '%' character</span> |
||
565 | 00558 <a class="code" href="group__rprintf.html#ga1">rprintfChar</a>(<span class="charliteral">'%'</span>); |
||
566 | 00559 <span class="keywordflow">break</span>; |
||
567 | 00560 } |
||
568 | 00561 flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0; |
||
569 | 00562 sign = 0; |
||
570 | 00563 pad = <span class="charliteral">' '</span>; |
||
571 | 00564 } |
||
572 | 00565 } |
||
573 | 00566 |
||
574 | 00567 va_end(ap); |
||
575 | 00568 <span class="keywordflow">return</span> 0; |
||
576 | 00569 } |
||
577 | 00570 |
||
578 | 00571 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Isdigit(<span class="keywordtype">char</span> c) |
||
579 | 00572 { |
||
580 | 00573 <span class="keywordflow">if</span>((c >= 0x30) && (c <= 0x39)) |
||
581 | 00574 <span class="keywordflow">return</span> TRUE; |
||
582 | 00575 <span class="keywordflow">else</span> |
||
583 | 00576 <span class="keywordflow">return</span> FALSE; |
||
584 | 00577 } |
||
585 | 00578 |
||
586 | 00579 <span class="keywordtype">int</span> atoiRamRom(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> stringInRom, <span class="keywordtype">char</span> *str) |
||
587 | 00580 { |
||
588 | 00581 <span class="keywordtype">int</span> num = 0;; |
||
589 | 00582 |
||
590 | 00583 <span class="keywordflow">while</span>(Isdigit(READMEMBYTE(stringInRom,str))) |
||
591 | 00584 { |
||
592 | 00585 num *= 10; |
||
593 | 00586 num += ((READMEMBYTE(stringInRom,str++)) - 0x30); |
||
594 | 00587 } |
||
595 | 00588 <span class="keywordflow">return</span> num; |
||
596 | 00589 } |
||
597 | 00590 |
||
598 | 00591 <span class="preprocessor">#endif</span> |
||
599 | 00592 <span class="preprocessor"></span> |
||
600 | 00593 <span class="comment">//******************************************************************************</span> |
||
601 | 00594 <span class="comment">// code below this line is commented out and can be ignored</span> |
||
602 | 00595 <span class="comment">//******************************************************************************</span> |
||
603 | 00596 <span class="comment">/*</span> |
||
604 | 00597 <span class="comment">char* sprintf(const char *sfmt, ...)</span> |
||
605 | 00598 <span class="comment">{</span> |
||
606 | 00599 <span class="comment"> register unsigned char *f, *bp, *str;</span> |
||
607 | 00600 <span class="comment"> register long l;</span> |
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608 | 00601 <span class="comment"> register unsigned long u;</span> |
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609 | 00602 <span class="comment"> register int i;</span> |
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610 | 00603 <span class="comment"> register int fmt;</span> |
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611 | 00604 <span class="comment"> register unsigned char pad = ' ';</span> |
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612 | 00605 <span class="comment"> int flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;</span> |
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613 | 00606 <span class="comment"> int sign = 0;</span> |
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614 | 00607 <span class="comment"></span> |
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615 | 00608 <span class="comment"> va_list ap;</span> |
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616 | 00609 <span class="comment"> va_start(ap, sfmt);</span> |
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617 | 00610 <span class="comment"></span> |
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618 | 00611 <span class="comment"> str = bufstring;</span> |
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619 | 00612 <span class="comment"> f = (unsigned char *) sfmt;</span> |
||
620 | 00613 <span class="comment"></span> |
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621 | 00614 <span class="comment"> for (; *f; f++)</span> |
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622 | 00615 <span class="comment"> {</span> |
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623 | 00616 <span class="comment"> if (*f != '%')</span> |
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624 | 00617 <span class="comment"> { // not a format character</span> |
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625 | 00618 <span class="comment"> *str++ = (*f); // then just output the char</span> |
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626 | 00619 <span class="comment"> }</span> |
||
627 | 00620 <span class="comment"> else </span> |
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628 | 00621 <span class="comment"> {</span> |
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629 | 00622 <span class="comment"> f++; // if we have a "%" then skip it</span> |
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630 | 00623 <span class="comment"> if (*f == '-')</span> |
||
631 | 00624 <span class="comment"> {</span> |
||
632 | 00625 <span class="comment"> flush_left = 1; // minus: flush left</span> |
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633 | 00626 <span class="comment"> f++;</span> |
||
634 | 00627 <span class="comment"> }</span> |
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635 | 00628 <span class="comment"> if (*f == '0' || *f == '.')</span> |
||
636 | 00629 <span class="comment"> {</span> |
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637 | 00630 <span class="comment"> // padding with 0 rather than blank</span> |
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638 | 00631 <span class="comment"> pad = '0';</span> |
||
639 | 00632 <span class="comment"> f++;</span> |
||
640 | 00633 <span class="comment"> }</span> |
||
641 | 00634 <span class="comment"> if (*f == '*')</span> |
||
642 | 00635 <span class="comment"> { // field width</span> |
||
643 | 00636 <span class="comment"> f_width = va_arg(ap, int);</span> |
||
644 | 00637 <span class="comment"> f++;</span> |
||
645 | 00638 <span class="comment"> }</span> |
||
646 | 00639 <span class="comment"> else if (Isdigit(*f))</span> |
||
647 | 00640 <span class="comment"> {</span> |
||
648 | 00641 <span class="comment"> f_width = atoi((char *) f);</span> |
||
649 | 00642 <span class="comment"> while (Isdigit(*f))</span> |
||
650 | 00643 <span class="comment"> f++; // skip the digits</span> |
||
651 | 00644 <span class="comment"> }</span> |
||
652 | 00645 <span class="comment"> if (*f == '.')</span> |
||
653 | 00646 <span class="comment"> { // precision</span> |
||
654 | 00647 <span class="comment"> f++;</span> |
||
655 | 00648 <span class="comment"> if (*f == '*')</span> |
||
656 | 00649 <span class="comment"> {</span> |
||
657 | 00650 <span class="comment"> prec = va_arg(ap, int);</span> |
||
658 | 00651 <span class="comment"> f++;</span> |
||
659 | 00652 <span class="comment"> }</span> |
||
660 | 00653 <span class="comment"> else if (Isdigit(*f))</span> |
||
661 | 00654 <span class="comment"> {</span> |
||
662 | 00655 <span class="comment"> prec = atoi((char *) f);</span> |
||
663 | 00656 <span class="comment"> while (Isdigit(*f))</span> |
||
664 | 00657 <span class="comment"> f++; // skip the digits</span> |
||
665 | 00658 <span class="comment"> }</span> |
||
666 | 00659 <span class="comment"> }</span> |
||
667 | 00660 <span class="comment"> if (*f == '#')</span> |
||
668 | 00661 <span class="comment"> { // alternate form</span> |
||
669 | 00662 <span class="comment"> hash = 1;</span> |
||
670 | 00663 <span class="comment"> f++;</span> |
||
671 | 00664 <span class="comment"> }</span> |
||
672 | 00665 <span class="comment"> if (*f == 'l')</span> |
||
673 | 00666 <span class="comment"> { // long format</span> |
||
674 | 00667 <span class="comment"> do_long = 1;</span> |
||
675 | 00668 <span class="comment"> f++;</span> |
||
676 | 00669 <span class="comment"> }</span> |
||
677 | 00670 <span class="comment"></span> |
||
678 | 00671 <span class="comment"> fmt = *f;</span> |
||
679 | 00672 <span class="comment"> bp = buf;</span> |
||
680 | 00673 <span class="comment"> switch (fmt) { // do the formatting</span> |
||
681 | 00674 <span class="comment"> case 'd': // 'd' signed decimal</span> |
||
682 | 00675 <span class="comment"> if (do_long)</span> |
||
683 | 00676 <span class="comment"> l = va_arg(ap, long);</span> |
||
684 | 00677 <span class="comment"> else</span> |
||
685 | 00678 <span class="comment"> l = (long) (va_arg(ap, int));</span> |
||
686 | 00679 <span class="comment"> if (l < 0)</span> |
||
687 | 00680 <span class="comment"> {</span> |
||
688 | 00681 <span class="comment"> sign = 1;</span> |
||
689 | 00682 <span class="comment"> l = -l;</span> |
||
690 | 00683 <span class="comment"> }</span> |
||
691 | 00684 <span class="comment"> do {</span> |
||
692 | 00685 <span class="comment"> *bp++ = l % 10 + '0';</span> |
||
693 | 00686 <span class="comment"> } while ((l /= 10) > 0);</span> |
||
694 | 00687 <span class="comment"> if (sign)</span> |
||
695 | 00688 <span class="comment"> *bp++ = '-';</span> |
||
696 | 00689 <span class="comment"> f_width = f_width - (bp - buf);</span> |
||
697 | 00690 <span class="comment"> if (!flush_left)</span> |
||
698 | 00691 <span class="comment"> while (f_width-- > 0)</span> |
||
699 | 00692 <span class="comment"> *str++ = (pad);</span> |
||
700 | 00693 <span class="comment"> for (bp--; bp >= buf; bp--)</span> |
||
701 | 00694 <span class="comment"> *str++ = (*bp);</span> |
||
702 | 00695 <span class="comment"> if (flush_left)</span> |
||
703 | 00696 <span class="comment"> while (f_width-- > 0)</span> |
||
704 | 00697 <span class="comment"> *str++ = (' ');</span> |
||
705 | 00698 <span class="comment"> break;</span> |
||
706 | 00699 <span class="comment"> case 'o': // 'o' octal number</span> |
||
707 | 00700 <span class="comment"> case 'x': // 'x' hex number</span> |
||
708 | 00701 <span class="comment"> case 'u': // 'u' unsigned decimal</span> |
||
709 | 00702 <span class="comment"> if (do_long)</span> |
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710 | 00703 <span class="comment"> u = va_arg(ap, unsigned long);</span> |
||
711 | 00704 <span class="comment"> else</span> |
||
712 | 00705 <span class="comment"> u = (unsigned long) (va_arg(ap, unsigned));</span> |
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713 | 00706 <span class="comment"> if (fmt == 'u')</span> |
||
714 | 00707 <span class="comment"> { // unsigned decimal</span> |
||
715 | 00708 <span class="comment"> do {</span> |
||
716 | 00709 <span class="comment"> *bp++ = u % 10 + '0';</span> |
||
717 | 00710 <span class="comment"> } while ((u /= 10) > 0);</span> |
||
718 | 00711 <span class="comment"> }</span> |
||
719 | 00712 <span class="comment"> else if (fmt == 'o')</span> |
||
720 | 00713 <span class="comment"> { // octal</span> |
||
721 | 00714 <span class="comment"> do {</span> |
||
722 | 00715 <span class="comment"> *bp++ = u % 8 + '0';</span> |
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723 | 00716 <span class="comment"> } while ((u /= 8) > 0);</span> |
||
724 | 00717 <span class="comment"> if (hash)</span> |
||
725 | 00718 <span class="comment"> *bp++ = '0';</span> |
||
726 | 00719 <span class="comment"> }</span> |
||
727 | 00720 <span class="comment"> else if (fmt == 'x')</span> |
||
728 | 00721 <span class="comment"> { // hex</span> |
||
729 | 00722 <span class="comment"> do {</span> |
||
730 | 00723 <span class="comment"> i = u % 16;</span> |
||
731 | 00724 <span class="comment"> if (i < 10)</span> |
||
732 | 00725 <span class="comment"> *bp++ = i + '0';</span> |
||
733 | 00726 <span class="comment"> else</span> |
||
734 | 00727 <span class="comment"> *bp++ = i - 10 + 'a';</span> |
||
735 | 00728 <span class="comment"> } while ((u /= 16) > 0);</span> |
||
736 | 00729 <span class="comment"> if (hash)</span> |
||
737 | 00730 <span class="comment"> {</span> |
||
738 | 00731 <span class="comment"> *bp++ = 'x';</span> |
||
739 | 00732 <span class="comment"> *bp++ = '0';</span> |
||
740 | 00733 <span class="comment"> }</span> |
||
741 | 00734 <span class="comment"> }</span> |
||
742 | 00735 <span class="comment"> i = f_width - (bp - buf);</span> |
||
743 | 00736 <span class="comment"> if (!flush_left)</span> |
||
744 | 00737 <span class="comment"> while (i-- > 0)</span> |
||
745 | 00738 <span class="comment"> *str++ = (pad);</span> |
||
746 | 00739 <span class="comment"> for (bp--; bp >= buf; bp--)</span> |
||
747 | 00740 <span class="comment"> *str++ = ((int) (*bp));</span> |
||
748 | 00741 <span class="comment"> if (flush_left)</span> |
||
749 | 00742 <span class="comment"> while (i-- > 0)</span> |
||
750 | 00743 <span class="comment"> *str++ = (' ');</span> |
||
751 | 00744 <span class="comment"> break;</span> |
||
752 | 00745 <span class="comment"> case 'c': // 'c' character</span> |
||
753 | 00746 <span class="comment"> i = va_arg(ap, int);</span> |
||
754 | 00747 <span class="comment"> *str++ = ((int) (i));</span> |
||
755 | 00748 <span class="comment"> break;</span> |
||
756 | 00749 <span class="comment"> case 's': // 's' string</span> |
||
757 | 00750 <span class="comment"> bp = va_arg(ap, unsigned char *);</span> |
||
758 | 00751 <span class="comment"> if (!bp)</span> |
||
759 | 00752 <span class="comment"> bp = (unsigned char *) "(nil)";</span> |
||
760 | 00753 <span class="comment"> f_width = f_width - strlen((char *) bp);</span> |
||
761 | 00754 <span class="comment"> if (!flush_left)</span> |
||
762 | 00755 <span class="comment"> while (f_width-- > 0)</span> |
||
763 | 00756 <span class="comment"> *str++ = (pad);</span> |
||
764 | 00757 <span class="comment"> for (i = 0; *bp && i < prec; i++)</span> |
||
765 | 00758 <span class="comment"> {</span> |
||
766 | 00759 <span class="comment"> *str++ = (*bp);</span> |
||
767 | 00760 <span class="comment"> bp++;</span> |
||
768 | 00761 <span class="comment"> }</span> |
||
769 | 00762 <span class="comment"> if (flush_left)</span> |
||
770 | 00763 <span class="comment"> while (f_width-- > 0)</span> |
||
771 | 00764 <span class="comment"> *str++ = (' ');</span> |
||
772 | 00765 <span class="comment"> break;</span> |
||
773 | 00766 <span class="comment"> case '%': // '%' character</span> |
||
774 | 00767 <span class="comment"> *str++ = ('%');</span> |
||
775 | 00768 <span class="comment"> break;</span> |
||
776 | 00769 <span class="comment"> }</span> |
||
777 | 00770 <span class="comment"> flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;</span> |
||
778 | 00771 <span class="comment"> sign = 0;</span> |
||
779 | 00772 <span class="comment"> pad = ' ';</span> |
||
780 | 00773 <span class="comment"> }</span> |
||
781 | 00774 <span class="comment"> }</span> |
||
782 | 00775 <span class="comment"></span> |
||
783 | 00776 <span class="comment"> va_end(ap);</span> |
||
784 | 00777 <span class="comment"> // terminate string with null</span> |
||
785 | 00778 <span class="comment"> *str++ = '\0';</span> |
||
786 | 00779 <span class="comment"> return bufstring;</span> |
||
787 | 00780 <span class="comment">}</span> |
||
788 | 00781 <span class="comment"></span> |
||
789 | 00782 <span class="comment">*/</span> |
||
790 | </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:07 2006 for Procyon AVRlib by |
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791 | <a href="http://www.doxygen.org/index.html"> |
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792 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address> |
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793 | </body> |
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794 | </html> |
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