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_d_ssd1306_48x64_winstar.c |
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4 | |
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5 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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6 | |
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7 | Copyright (c) 2016, olikraus@gmail.com |
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8 | All rights reserved. |
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9 | |
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10 | Redistribution and use in source and binary forms, with or without modification, |
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11 | are permitted provided that the following conditions are met: |
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12 | |
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13 | * Redistributions of source code must retain the above copyright notice, this list |
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14 | of conditions and the following disclaimer. |
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15 | |
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16 | * Redistributions in binary form must reproduce the above copyright notice, this |
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17 | list of conditions and the following disclaimer in the documentation and/or other |
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18 | materials provided with the distribution. |
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19 | |
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20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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21 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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22 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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23 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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25 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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27 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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28 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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30 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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32 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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33 | |
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34 | */ |
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35 | #include "u8x8.h" |
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36 | |
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37 | /* Winstar 0.71 OLED */ |
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38 | static const uint8_t u8x8_d_ssd1306_48x64_winstar_init_seq[] = |
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39 | { |
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40 | |
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41 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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42 | |
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43 | U8X8_C(0x0ae), /* display off */ |
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44 | U8X8_CA(0x0d5, 0x080), /* clock divide ratio (0x00=1) and oscillator frequency (0x8) */ |
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45 | U8X8_CA(0x0a8, 0x03f), /* multiplex ratio, 0.71 OLED: changed from 0x2f to 0x3f */ |
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46 | U8X8_CA(0x0d3, 0x000), /* display offset, 0.71 OLED */ |
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47 | U8X8_C(0x040), /* set display start line to 0, 0.71 OLED */ |
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48 | U8X8_CA(0x08d, 0x014), /* [2] charge pump setting (p62): 0x014 enable, 0x010 disable, 0.71 OLED 0x14*/ |
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49 | |
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50 | /// according to the datasheet, 0x00 is NOT page addressing mode, but horizontal addressing mode; |
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51 | /// so it looks like u8g2 expects horizontal addressing (and the inline comment is wrong) while the Winstar example |
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52 | /// actually uses page addressing (which is the reset default) |
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53 | U8X8_CA(0x020, 0x000), /* page addressing mode */ |
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54 | |
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55 | U8X8_C(0x0a1), /* segment remap a0/a1, 0.71 OLED */ |
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56 | U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse, 0.71 OLED */ |
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57 | // Flipmode |
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58 | // U8X8_C(0x0a0), /* segment remap a0/a1*/ |
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59 | // U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */ |
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60 | |
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61 | U8X8_CA(0x0da, 0x012), /* com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5), 0.71 OLED */ |
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62 | U8X8_CA(0x081, 0x07f), /* [2] set contrast control, 0.71 OLED datasheet: 0x7f */ |
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63 | U8X8_CA(0x0d9, 0x022), /* [2] pre-charge period 0x022/f1, 0.71 OLED datasheet: 0x22 */ |
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64 | U8X8_CA(0x0db, 0x040), /* vcomh deselect level, 0.71 OLED datasheet: 0x40 */ |
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65 | |
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66 | // U8X8_C(0x02e), /* Deactivate scroll */ |
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67 | U8X8_C(0x0a4), /* output ram to display */ |
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68 | U8X8_C(0x0a6), /* none inverted normal display mode */ |
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69 | |
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70 | U8X8_END_TRANSFER(), /* disable chip */ |
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71 | U8X8_END() /* end of sequence */ |
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72 | }; |
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73 | |
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74 | static const uint8_t u8x8_d_ssd1306_48x64_powersave0_seq[] = |
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75 | { |
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76 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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77 | U8X8_C(0x0af), /* display on */ |
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78 | U8X8_END_TRANSFER(), /* disable chip */ |
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79 | U8X8_END() /* end of sequence */ |
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80 | }; |
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81 | |
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82 | static const uint8_t u8x8_d_ssd1306_48x64_powersave1_seq[] = |
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83 | { |
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84 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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85 | U8X8_C(0x0ae), /* display off */ |
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86 | U8X8_END_TRANSFER(), /* disable chip */ |
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87 | U8X8_END() /* end of sequence */ |
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88 | }; |
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89 | |
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90 | static const uint8_t u8x8_d_ssd1306_48x64_flip0_seq[] = |
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91 | { |
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92 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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93 | U8X8_C(0x0a1), /* segment remap a0/a1*/ |
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94 | U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */ |
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95 | U8X8_END_TRANSFER(), /* disable chip */ |
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96 | U8X8_END() /* end of sequence */ |
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97 | }; |
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98 | |
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99 | static const uint8_t u8x8_d_ssd1306_48x64_flip1_seq[] = |
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100 | { |
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101 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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102 | U8X8_C(0x0a0), /* segment remap a0/a1*/ |
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103 | U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */ |
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104 | U8X8_END_TRANSFER(), /* disable chip */ |
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105 | U8X8_END() /* end of sequence */ |
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106 | }; |
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107 | |
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108 | static uint8_t u8x8_d_ssd1306_48x64_generic(u8x8_t *u8x8, uint8_t msg, |
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109 | uint8_t arg_int, void *arg_ptr) |
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110 | { |
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111 | uint8_t x, c; |
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112 | uint8_t *ptr; |
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113 | switch (msg) |
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114 | { |
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115 | /* handled by the calling function |
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116 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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117 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1306_48x64_display_info); |
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118 | break; |
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119 | case U8X8_MSG_DISPLAY_INIT: |
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120 | u8x8_d_helper_display_init(u8x8); |
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121 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_winstar_init_seq); |
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122 | break; |
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123 | */ |
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124 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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125 | if (arg_int == 0) |
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126 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_powersave0_seq); |
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127 | else |
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128 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_powersave1_seq); |
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129 | break; |
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130 | case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
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131 | if (arg_int == 0) |
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132 | { |
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133 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_flip0_seq); |
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134 | u8x8->x_offset = u8x8->display_info->default_x_offset; |
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135 | } |
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136 | else |
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137 | { |
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138 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_flip1_seq); |
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139 | u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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140 | } |
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141 | break; |
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142 | #ifdef U8X8_WITH_SET_CONTRAST |
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143 | case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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144 | u8x8_cad_StartTransfer(u8x8); |
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145 | u8x8_cad_SendCmd(u8x8, 0x081); |
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146 | u8x8_cad_SendArg(u8x8, arg_int); /* ssd1306 has range from 0 to 255 */ |
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147 | u8x8_cad_EndTransfer(u8x8); |
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148 | break; |
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149 | #endif |
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150 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
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151 | u8x8_cad_StartTransfer(u8x8); |
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152 | x = ((u8x8_tile_t *) arg_ptr)->x_pos; |
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153 | x *= 8; |
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154 | x += u8x8->x_offset; |
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155 | u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4)); |
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156 | u8x8_cad_SendCmd(u8x8, 0x000 | ((x & 15))); |
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157 | u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *) arg_ptr)->y_pos)); |
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158 | |
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159 | do |
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160 | { |
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161 | c = ((u8x8_tile_t *) arg_ptr)->cnt; |
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162 | ptr = ((u8x8_tile_t *) arg_ptr)->tile_ptr; |
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163 | u8x8_cad_SendData(u8x8, c * 8, ptr); /* note: SendData can not handle more than 255 bytes */ |
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164 | arg_int--; |
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165 | } while (arg_int > 0); |
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166 | |
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167 | u8x8_cad_EndTransfer(u8x8); |
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168 | break; |
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169 | default: |
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170 | return 0; |
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171 | } |
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172 | return 1; |
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173 | } |
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174 | |
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175 | static const u8x8_display_info_t u8x8_ssd1306_48x64_display_info = |
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176 | { |
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177 | /* chip_enable_level = */0, |
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178 | /* chip_disable_level = */1, |
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179 | |
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180 | /* post_chip_enable_wait_ns = */20, |
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181 | /* pre_chip_disable_wait_ns = */10, |
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182 | /* reset_pulse_width_ms = */100, /* SSD1306: 3 us */ |
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183 | /* post_reset_wait_ms = */100, /* far east OLEDs need much longer setup time */ |
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184 | /* sda_setup_time_ns = */50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */ |
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185 | /* sck_pulse_width_ns = */50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */ |
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186 | /* sck_clock_hz = */8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */ |
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187 | /* spi_mode = */0, /* active high, rising edge */ |
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188 | /* i2c_bus_clock_100kHz = */4, |
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189 | /* data_setup_time_ns = */40, |
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190 | /* write_pulse_width_ns = */150, /* SSD1306: cycle time is 300ns, so use 300/2 = 150 */ |
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191 | /* tile_width = */6, |
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192 | /* tile_height = */8, |
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193 | /* default_x_offset = */40, |
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194 | /* flipmode_x_offset = */40, |
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195 | /* pixel_width = */48, |
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196 | /* pixel_height = */64 }; |
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197 | |
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198 | /* Winstar 0.71" OLED */ |
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199 | uint8_t u8x8_d_ssd1306_48x64_winstar(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, |
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200 | void *arg_ptr) |
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201 | { |
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202 | if (msg == U8X8_MSG_DISPLAY_SETUP_MEMORY) |
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203 | { |
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204 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1306_48x64_display_info); |
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205 | return 1; |
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206 | } |
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207 | else if (msg == U8X8_MSG_DISPLAY_INIT) |
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208 | { |
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209 | u8x8_d_helper_display_init(u8x8); |
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210 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1306_48x64_winstar_init_seq); |
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211 | return 1; |
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212 | } |
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213 | return u8x8_d_ssd1306_48x64_generic(u8x8, msg, arg_int, arg_ptr); |
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214 | } |
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215 |