Tue, 03 Oct 2023 17:24:06 +0200
Version 0.3.0. Backported network code from experimental roaming project. Will now connect after reset to the strongest AP. Id the signal level drops below -67, extra scans are done to see for a better AP. Nothing is done yet. Removed config.conf file, all info is taken from the project menu and live tests. Better log the board type and send it via json mqtt. Send bssid and current channel too.
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1 | /* |
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2 | |
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3 | u8x8_string.c |
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4 | |
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5 | string line procedures |
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6 | |
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7 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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8 | |
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9 | Copyright (c) 2016, olikraus@gmail.com |
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10 | All rights reserved. |
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11 | |
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12 | Redistribution and use in source and binary forms, with or without modification, |
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13 | are permitted provided that the following conditions are met: |
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14 | |
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15 | * Redistributions of source code must retain the above copyright notice, this list |
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16 | of conditions and the following disclaimer. |
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17 | |
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18 | * Redistributions in binary form must reproduce the above copyright notice, this |
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19 | list of conditions and the following disclaimer in the documentation and/or other |
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20 | materials provided with the distribution. |
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21 | |
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22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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23 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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24 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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25 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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26 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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28 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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29 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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30 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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31 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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32 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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34 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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35 | |
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36 | */ |
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37 | |
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38 | #include "u8x8.h" |
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39 | |
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40 | uint8_t u8x8_GetStringLineCnt(const char *str) |
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41 | { |
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42 | char e; |
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43 | uint8_t line_cnt = 1; |
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44 | if ( str == NULL ) |
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45 | return 0; |
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46 | for(;;) |
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47 | { |
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48 | e = *str; |
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49 | if ( e == '\0' ) |
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50 | break; |
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51 | str++; |
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52 | if ( e == '\n' ) |
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53 | line_cnt++; |
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54 | } |
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55 | return line_cnt; |
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56 | } |
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57 | |
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58 | |
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59 | /* |
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60 | Assumes strings, separated by '\n' in "str". |
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61 | Returns the string at index "line_idx". First strng has line_idx = 0 |
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62 | Example: |
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63 | Returns "xyz" for line_idx = 1 with str = "abc\nxyz" |
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64 | Support both UTF8 and normal strings. |
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65 | */ |
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66 | const char *u8x8_GetStringLineStart(uint8_t line_idx, const char *str ) |
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67 | { |
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68 | char e; |
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69 | uint8_t line_cnt = 1; |
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70 | |
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71 | if ( line_idx == 0 ) |
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72 | return str; |
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73 | |
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74 | for(;;) |
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75 | { |
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76 | e = *str; |
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77 | if ( e == '\0' ) |
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78 | break; |
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79 | str++; |
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80 | if ( e == '\n' ) |
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81 | { |
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82 | if ( line_cnt == line_idx ) |
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83 | return str; |
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84 | line_cnt++; |
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85 | } |
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86 | } |
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87 | return NULL; /* line not found */ |
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88 | } |
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89 | |
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90 | /* copy until first '\n' or '\0' in str */ |
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91 | /* Important: There is no string overflow check, ensure */ |
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92 | /* that the destination buffer is large enough */ |
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93 | void u8x8_CopyStringLine(char *dest, uint8_t line_idx, const char *str) |
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94 | { |
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95 | if ( dest == NULL ) |
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96 | return; |
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97 | str = u8x8_GetStringLineStart( line_idx, str ); |
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98 | if ( str != NULL ) |
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99 | { |
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100 | for(;;) |
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101 | { |
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102 | if ( *str == '\n' || *str == '\0' ) |
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103 | break; |
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104 | *dest = *str; |
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105 | dest++; |
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106 | str++; |
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107 | } |
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108 | } |
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109 | *dest = '\0'; |
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110 | } |
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111 | |
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112 | /* |
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113 | Draw a string |
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114 | Extend the string to size "w" |
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115 | Center the string within "w" |
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116 | return the size of the string |
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117 | |
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118 | */ |
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119 | uint8_t u8x8_DrawUTF8Line(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s) |
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120 | { |
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121 | uint8_t d, lw; |
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122 | uint8_t cx, dx; |
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123 | |
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124 | d = 0; |
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125 | |
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126 | lw = u8x8_GetUTF8Len(u8x8, s); |
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127 | if ( lw < w ) |
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128 | { |
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129 | d = w; |
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130 | d -=lw; |
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131 | d /= 2; |
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132 | } |
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133 | |
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134 | cx = x; |
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135 | dx = cx + d; |
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136 | while( cx < dx ) |
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137 | { |
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138 | u8x8_DrawUTF8(u8x8, cx, y, " "); |
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139 | cx++; |
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140 | } |
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141 | cx += u8x8_DrawUTF8(u8x8, cx, y, s); |
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142 | dx = x + w; |
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143 | while( cx < dx ) |
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144 | { |
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145 | u8x8_DrawUTF8(u8x8, cx, y, " "); |
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146 | cx++; |
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147 | } |
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148 | cx -= x; |
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149 | return cx; |
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150 | } |
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151 | |
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152 | /* |
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153 | draw several lines at position x,y. |
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154 | lines are stored in s and must be separated with '\n'. |
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155 | lines can be centered with respect to "w" |
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156 | if s == NULL nothing is drawn and 0 is returned |
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157 | returns the number of lines in s |
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158 | */ |
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159 | uint8_t u8x8_DrawUTF8Lines(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s) |
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160 | { |
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161 | uint8_t i; |
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162 | uint8_t cnt; |
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163 | cnt = u8x8_GetStringLineCnt(s); |
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164 | for( i = 0; i < cnt; i++ ) |
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165 | { |
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166 | u8x8_DrawUTF8Line(u8x8, x, y, w, u8x8_GetStringLineStart(i, s)); |
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167 | y++; |
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168 | } |
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169 | return cnt; |
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170 | } |