Tue, 08 Oct 2019 12:00:31 +0200
Initial import of the CO2 meter application.
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Initial import of the CO2 meter application.
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1 | /* |
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2 | |
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3 | u8x8_d_ssd1606_172x72.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 | SSD1606: 128x180x2 |
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35 | two-bit, four graylevels |
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36 | command |
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37 | 0x22: assign actions |
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38 | 0x20: execute actions |
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39 | |
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40 | action for command 0x022 are (more or less guessed) |
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41 | bit 7: Enable Clock |
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42 | bit 6: Enable Charge Pump |
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43 | bit 5: Load Temparture Value (???) |
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44 | bit 4: Load LUT (???) |
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45 | bit 3: Initial Display (???) |
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46 | bit 2: Pattern Display --> Requires about 945ms with the LUT from below |
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47 | bit 1: Disable Charge Pump |
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48 | bit 0: Disable Clock |
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49 | |
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50 | Disable Charge Pump and Clock require about 267ms |
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51 | Enable Charge Pump and Clock require about 10ms |
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52 | |
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53 | Notes: |
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54 | - Introduced a refresh display message, which copies RAM to display |
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55 | - Charge pump and clock are only enabled for the transfer RAM to display |
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56 | - U8x8 will not really work because of the two buffers in the SSD1606, however U8g2 should be ok. |
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57 | |
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58 | */ |
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59 | |
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60 | |
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61 | #include "u8x8.h" |
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62 | |
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63 | |
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64 | #define L(a,b,c,d) (((a)<<6)|((b)<<4)|((c)<<2)|(d)) |
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65 | |
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66 | |
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67 | /* GDE021A1, 2.1" EPD */ |
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68 | static const uint8_t u8x8_d_ssd1606_172x72_gde021a1_init_seq[] = { |
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69 | |
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70 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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71 | |
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72 | U8X8_CA(0x10, 0x00), /* Deep Sleep mode Control: Disable */ |
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73 | U8X8_CA(0x11, 0x03), /* Define data entry mode, x&y inc, x first */ |
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74 | U8X8_CAA(0x44, 0, 31), /* RAM x start & end, each byte has 4 pixel, 32*4=128 */ |
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75 | U8X8_CAA(0x45, 0, 179), /* RAM y start & end, 179 MAX */ |
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76 | |
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77 | U8X8_CA(0x4e, 0), /* set x pos, 0..31 */ |
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78 | U8X8_CA(0x4f, 0), /* set y pos, 0...179 */ |
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79 | |
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80 | U8X8_CA(0xf0, 0x1f), /* set booster feedback to internal */ |
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81 | U8X8_CA(0x22, 0xc0), /* display update seq. option: enable clk, enable CP, .... todo: this is never activated */ |
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82 | |
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83 | U8X8_C(0x32), /* write LUT register*/ |
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84 | |
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85 | #ifdef ORIGINAL_LUT |
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86 | |
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87 | /* wavefrom part of the LUT: absolute LUT... this will always force the destination color */ |
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88 | U8X8_A4(0x00,0x00,0x00,0x55), /* step 0 */ |
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89 | U8X8_A4(0x00,0x00,0x55,0x55), /* step 1 */ |
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90 | U8X8_A4(0x00,0x55,0x55,0x55), |
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91 | U8X8_A4(0xAA,0xAA,0xAA,0xAA), |
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92 | U8X8_A4(0x15,0x15,0x15,0x15), |
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93 | U8X8_A4(0x05,0x05,0x05,0x05), |
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94 | U8X8_A4(0x01,0x01,0x01,0x01), |
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95 | U8X8_A4(0x00,0x00,0x00,0x00), |
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96 | U8X8_A4(0x00,0x00,0x00,0x00), |
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97 | U8X8_A4(0x00,0x00,0x00,0x00), |
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98 | U8X8_A4(0x00,0x00,0x00,0x00), |
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99 | U8X8_A4(0x00,0x00,0x00,0x00), |
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100 | U8X8_A4(0x00,0x00,0x00,0x00), |
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101 | U8X8_A4(0x00,0x00,0x00,0x00), |
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102 | U8X8_A4(0x00,0x00,0x00,0x00), |
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103 | U8X8_A4(0x00,0x00,0x00,0x00), |
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104 | U8X8_A4(0x00,0x00,0x00,0x00), |
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105 | U8X8_A4(0x00,0x00,0x00,0x00), |
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106 | U8X8_A4(0x00,0x00,0x00,0x00), |
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107 | U8X8_A4(0x00,0x00,0x00,0x00), /* step 19 */ |
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108 | |
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109 | /* timing part of the LUT */ |
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110 | U8X8_A8(0x22,0xFB,0x22,0x1B,0x00,0x00,0x00,0x00), |
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111 | U8X8_A(0x00),U8X8_A(0x00), |
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112 | |
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113 | #else |
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114 | |
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115 | /* the following LUT will not change anything if the old and the new values are the same */ |
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116 | /* 03 02 01 00 13 12 11 10 23 22 21 20 33 32 31 30 original */ |
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117 | U8X8_A4(L(0, 0, 0, 0), L(0, 0, 0, 0), L(0, 0, 0, 0), L(0, 1, 1, 1)), // 0x00,0x00,0x00,0x55, step 0 |
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118 | U8X8_A4(L(0, 0, 0, 0), L(0, 0, 0, 0), L(1, 0, 1, 1), L(0, 1, 1, 1)), // 0x00,0x00,0x55,0x55, step 1 |
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119 | U8X8_A4(L(0, 0, 0, 0), L(1, 1, 0, 1), L(1, 0, 1, 1), L(0, 1, 1, 1)), // 0x00,0x55,0x55,0x55, step 2 |
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120 | U8X8_A4(L(2, 2, 2, 0), L(2, 2, 0, 2), L(2, 0, 2, 2), L(0, 2, 2, 2)), // 0xAA,0xAA,0xAA,0xAA, step 3 |
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121 | U8X8_A4(L(0, 1, 1, 0), L(0, 1, 0, 1), L(0, 0, 1, 1), L(0, 1, 1, 1)), // 0x15,0x15,0x15,0x15, step 4 |
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122 | U8X8_A4(L(0, 0, 1, 0), L(0, 0, 0, 1), L(0, 0, 1, 1), L(0, 0, 1, 1)), // 0x05,0x05,0x05,0x05, step 5 |
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123 | U8X8_A4(L(0, 0, 0, 0), L(0, 0, 0, 1), L(0, 0, 0, 1), L(0, 0, 0, 1)), // 0x01,0x01,0x01,0x01, step 6 |
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124 | U8X8_A4(0x00,0x00,0x00,0x00), |
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125 | U8X8_A4(0x00,0x00,0x00,0x00), |
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126 | U8X8_A4(0x00,0x00,0x00,0x00), |
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127 | U8X8_A4(0x00,0x00,0x00,0x00), |
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128 | U8X8_A4(0x00,0x00,0x00,0x00), |
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129 | U8X8_A4(0x00,0x00,0x00,0x00), |
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130 | U8X8_A4(0x00,0x00,0x00,0x00), |
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131 | U8X8_A4(0x00,0x00,0x00,0x00), |
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132 | U8X8_A4(0x00,0x00,0x00,0x00), |
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133 | U8X8_A4(0x00,0x00,0x00,0x00), |
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134 | U8X8_A4(0x00,0x00,0x00,0x00), |
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135 | U8X8_A4(0x00,0x00,0x00,0x00), |
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136 | U8X8_A4(0x00,0x00,0x00,0x00), /* step 19 */ |
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137 | |
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138 | /* timing part of the LUT */ |
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139 | U8X8_A8(0x22,0xFB,0x22,0x1B,0x00,0x00,0x00,0x00), |
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140 | U8X8_A(0x00),U8X8_A(0x00), |
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141 | |
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142 | #endif |
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143 | |
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144 | U8X8_CA(0x2c, 0xa0), /* write vcom value*/ |
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145 | U8X8_CA(0x3c, 0x63), /* select boarder waveform */ |
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146 | U8X8_CA(0x22, 0xc4), /* display update seq. option: clk -> CP -> LUT -> initial display -> pattern display */ |
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147 | /* 0x0c4 is mentioned in chapter 9.2 of the GDE021A1 data sheet */ |
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148 | |
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149 | U8X8_END_TRANSFER(), /* disable chip */ |
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150 | U8X8_END() /* end of sequence */ |
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151 | }; |
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152 | |
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153 | static const uint8_t u8x8_d_ssd1606_to_display_seq[] = { |
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154 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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155 | |
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156 | |
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157 | //U8X8_CA(0x22, 0xc0), /* display update seq. option: Enable clock and charge pump */ |
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158 | //U8X8_C(0x20), /* execute sequence */ |
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159 | //U8X8_DLY(10), |
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160 | /* strange, splitting 0x0c0 does not work reliable */ |
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161 | |
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162 | U8X8_CA(0x22, 0xc4), /* display update seq. option: clk -> CP -> LUT -> initial display -> pattern display */ |
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163 | U8X8_C(0x20), /* execute sequence */ |
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164 | U8X8_DLY(250), /* the sequence above requires about 970ms */ |
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165 | U8X8_DLY(250), |
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166 | U8X8_DLY(250), |
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167 | U8X8_DLY(230), |
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168 | |
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169 | U8X8_CA(0x22, 0x03), /* disable clock and charge pump */ |
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170 | U8X8_DLY(200), /* this requres about 270ms */ |
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171 | U8X8_DLY(90), |
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172 | |
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173 | //U8X8_CA(0x10, 0x01), /* deep sleep mode */ |
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174 | //U8X8_C(0x20), /* execute sequence */ |
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175 | U8X8_DLY(50), |
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176 | |
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177 | U8X8_END_TRANSFER(), /* disable chip */ |
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178 | U8X8_END() /* end of sequence */ |
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179 | }; |
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180 | |
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181 | |
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182 | // static const uint8_t u8x8_d_ssd1606_172x72_powersave0_seq[] = { |
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183 | // U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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184 | // U8X8_END_TRANSFER(), /* disable chip */ |
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185 | // U8X8_END() /* end of sequence */ |
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186 | // }; |
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187 | |
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188 | |
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189 | // static const uint8_t u8x8_d_ssd1606_172x72_powersave1_seq[] = { |
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190 | // U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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191 | // U8X8_END_TRANSFER(), /* disable chip */ |
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192 | // U8X8_END() /* end of sequence */ |
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193 | // }; |
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194 | |
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195 | // static const uint8_t u8x8_d_ssd1606_172x72_flip0_seq[] = { |
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196 | // U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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197 | // U8X8_END_TRANSFER(), /* disable chip */ |
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198 | // U8X8_END() /* end of sequence */ |
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199 | // }; |
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200 | |
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201 | // static const uint8_t u8x8_d_ssd1606_172x72_flip1_seq[] = { |
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202 | // U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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203 | // U8X8_END_TRANSFER(), /* disable chip */ |
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204 | // U8X8_END() /* end of sequence */ |
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205 | // }; |
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206 | |
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207 | |
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208 | static uint8_t *u8x8_convert_tile_for_ssd1606(uint8_t *t) |
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209 | { |
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210 | uint8_t i; |
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211 | uint16_t r; |
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212 | static uint8_t buf[16]; |
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213 | uint8_t *pbuf = buf; |
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214 | |
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215 | for( i = 0; i < 8; i++ ) |
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216 | { |
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217 | r = u8x8_upscale_byte(~(*t++)); |
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218 | *pbuf++ = (r>>8) & 255; |
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219 | *pbuf++ = r & 255; |
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220 | } |
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221 | return buf; |
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222 | } |
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223 | |
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224 | static void u8x8_d_ssd1606_draw_tile(u8x8_t *u8x8, uint8_t arg_int, void *arg_ptr) U8X8_NOINLINE; |
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225 | static void u8x8_d_ssd1606_draw_tile(u8x8_t *u8x8, uint8_t arg_int, void *arg_ptr) |
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226 | { |
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227 | uint8_t x, c, page; |
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228 | uint8_t *ptr; |
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229 | u8x8_cad_StartTransfer(u8x8); |
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230 | |
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231 | page = u8x8->display_info->tile_height; |
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232 | page --; |
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233 | page -= (((u8x8_tile_t *)arg_ptr)->y_pos); |
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234 | page *= 2; |
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235 | |
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236 | |
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237 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
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238 | x *= 8; |
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239 | x += u8x8->x_offset; |
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240 | |
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241 | u8x8_cad_SendCmd(u8x8, 0x00f ); /* scan start */ |
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242 | u8x8_cad_SendArg(u8x8, 0); |
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243 | |
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244 | u8x8_cad_SendCmd(u8x8, 0x011 ); /* cursor increment mode */ |
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245 | u8x8_cad_SendArg(u8x8, 3); |
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246 | |
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247 | u8x8_cad_SendCmd(u8x8, 0x045 ); /* window start column */ |
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248 | u8x8_cad_SendArg(u8x8, 0); |
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249 | u8x8_cad_SendArg(u8x8, 179); /* end of display */ |
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250 | |
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251 | u8x8_cad_SendCmd(u8x8, 0x044 ); /* window end page */ |
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252 | u8x8_cad_SendArg(u8x8, page); |
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253 | u8x8_cad_SendArg(u8x8, page+1); |
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254 | |
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255 | u8x8_cad_SendCmd(u8x8, 0x04f ); /* window column */ |
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256 | u8x8_cad_SendArg(u8x8, x); |
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257 | |
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258 | u8x8_cad_SendCmd(u8x8, 0x04e ); /* window row */ |
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259 | u8x8_cad_SendArg(u8x8, page); |
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260 | |
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261 | u8x8_cad_SendCmd(u8x8, 0x024 ); |
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262 | |
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263 | do |
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264 | { |
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265 | c = ((u8x8_tile_t *)arg_ptr)->cnt; |
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266 | ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
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267 | do |
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268 | { |
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269 | u8x8_cad_SendData(u8x8, 16, u8x8_convert_tile_for_ssd1606(ptr)); |
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270 | ptr += 8; |
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271 | x += 8; |
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272 | c--; |
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273 | } while( c > 0 ); |
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274 | |
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275 | arg_int--; |
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276 | } while( arg_int > 0 ); |
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277 | |
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278 | u8x8_cad_EndTransfer(u8x8); |
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279 | } |
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280 | |
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281 | |
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282 | static uint8_t u8x8_d_ssd1606_172x72_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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283 | { |
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284 | switch(msg) |
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285 | { |
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286 | /* handled by the calling function |
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287 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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288 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1606_172x72_display_info); |
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289 | break; |
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290 | */ |
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291 | case U8X8_MSG_DISPLAY_INIT: |
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292 | |
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293 | u8x8_d_helper_display_init(u8x8); |
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294 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_172x72_gde021a1_init_seq); |
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295 | |
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296 | /* special code for the SSD1606... */ |
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297 | /* ensure that the initial buffer is clear and all eInk is set to white */ |
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298 | /* this is done here, because the LUT will be of that kind, that it uses the previous color */ |
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299 | /* make everything black */ |
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300 | u8x8_FillDisplay(u8x8); |
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301 | /* write content to the display */ |
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302 | u8x8_RefreshDisplay(u8x8); |
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303 | /* now make everything clear */ |
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304 | u8x8_FillDisplay(u8x8); |
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305 | /* write content to the display */ |
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306 | u8x8_RefreshDisplay(u8x8); |
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307 | /* now make everything clear */ |
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308 | u8x8_ClearDisplay(u8x8); |
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309 | /* write content to the display */ |
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310 | u8x8_RefreshDisplay(u8x8); |
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311 | |
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312 | u8x8_ClearDisplay(u8x8); |
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313 | /* write content to the display */ |
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314 | u8x8_RefreshDisplay(u8x8); |
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315 | |
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316 | break; |
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317 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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318 | /* |
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319 | if ( arg_int == 0 ) |
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320 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_172x72_powersave0_seq); |
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321 | else |
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322 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_172x72_powersave1_seq); |
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323 | */ |
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324 | break; |
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325 | case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
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326 | /* |
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327 | if ( arg_int == 0 ) |
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328 | { |
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329 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_172x72_flip0_seq); |
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330 | u8x8->x_offset = u8x8->display_info->default_x_offset; |
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331 | } |
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332 | else |
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333 | { |
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334 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_172x72_flip1_seq); |
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335 | u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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336 | } |
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337 | */ |
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338 | break; |
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339 | #ifdef U8X8_WITH_SET_CONTRAST |
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340 | case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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341 | /* |
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342 | u8x8_cad_StartTransfer(u8x8); |
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343 | u8x8_cad_EndTransfer(u8x8); |
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344 | */ |
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345 | break; |
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346 | #endif |
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347 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
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348 | u8x8_d_ssd1606_draw_tile(u8x8, arg_int, arg_ptr); |
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349 | break; |
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350 | case U8X8_MSG_DISPLAY_REFRESH: |
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351 | u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1606_to_display_seq); |
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Initial import of the CO2 meter application.
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352 | break; |
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|
353 | default: |
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354 | return 0; |
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|
355 | } |
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356 | return 1; |
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|
357 | } |
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358 | |
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359 | |
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360 | static const u8x8_display_info_t u8x8_ssd1606_172x72_display_info = |
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|
361 | { |
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362 | /* chip_enable_level = */ 0, |
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|
363 | /* chip_disable_level = */ 1, |
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parents:
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|
364 | |
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Initial import of the CO2 meter application.
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parents:
diff
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365 | /* post_chip_enable_wait_ns = */ 120, |
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366 | /* pre_chip_disable_wait_ns = */ 60, |
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367 | /* reset_pulse_width_ms = */ 100, |
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368 | /* post_reset_wait_ms = */ 100, |
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369 | /* sda_setup_time_ns = */ 50, /* SSD1606: */ |
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370 | /* sck_pulse_width_ns = */ 100, /* SSD1606: 100ns */ |
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371 | /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
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372 | /* spi_mode = */ 0, /* active high, rising edge */ |
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373 | /* i2c_bus_clock_100kHz = */ 4, |
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374 | /* data_setup_time_ns = */ 40, |
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375 | /* write_pulse_width_ns = */ 150, |
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376 | /* tile_width = */ 22, /* 22*8 = 176 */ |
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377 | /* tile_hight = */ 9, /* 9*8 = 72 */ |
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378 | /* default_x_offset = */ 0, |
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379 | /* flipmode_x_offset = */ 0, |
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380 | /* pixel_width = */ 172, |
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381 | /* pixel_height = */ 72 |
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382 | }; |
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383 | |
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384 | uint8_t u8x8_d_ssd1606_172x72(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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385 | { |
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386 | if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
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387 | { |
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388 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1606_172x72_display_info); |
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389 | return 1; |
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390 | } |
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391 | return u8x8_d_ssd1606_172x72_generic(u8x8, msg, arg_int, arg_ptr); |
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392 | } |
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393 | |
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394 |