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_st7588.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) 2017, 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 | ST7588 |
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35 | - has 4 different I2C addresses |
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36 | - I2C protocol is identical to SSD13xx |
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37 | |
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38 | */ |
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39 | |
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40 | |
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41 | #include "u8x8.h" |
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42 | |
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43 | /* function set, bit 2: power down, bit 3: MY, bit 4: MX, bit 5: must be 1 */ |
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44 | #define FS (0x020) |
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45 | |
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46 | /* not a real power down for the ST7588... just a display off */ |
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47 | static const uint8_t u8x8_d_st7588_128x64_powersave0_seq[] = { |
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48 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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49 | U8X8_C( FS | 0x00 ), /* select 00 commands */ |
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50 | //U8X8_C( 0x08 ), /* display off */ |
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51 | U8X8_C( 0x0c ), /* display on */ |
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52 | U8X8_END_TRANSFER(), /* disable chip */ |
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53 | U8X8_END() /* end of sequence */ |
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54 | }; |
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55 | |
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56 | static const uint8_t u8x8_d_st7588_128x64_powersave1_seq[] = { |
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57 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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58 | U8X8_C( FS | 0x00 ), /* select 00 commands */ |
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59 | U8X8_C( 0x08 ), /* display off */ |
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60 | //U8X8_C( 0x0c ), /* display on */ |
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61 | U8X8_END_TRANSFER(), /* disable chip */ |
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62 | U8X8_END() /* end of sequence */ |
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63 | }; |
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64 | |
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65 | |
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66 | |
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67 | |
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68 | static uint8_t u8x8_d_st7588_128x64_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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69 | { |
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70 | uint8_t x, c; |
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71 | uint8_t *ptr; |
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72 | switch(msg) |
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73 | { |
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74 | /* handled by the calling function |
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75 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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76 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); |
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77 | break; |
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78 | */ |
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79 | /* handled by the calling function |
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80 | case U8X8_MSG_DISPLAY_INIT: |
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81 | u8x8_d_helper_display_init(u8x8); |
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82 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); |
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83 | break; |
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84 | */ |
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85 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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86 | if ( arg_int == 0 ) |
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87 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave0_seq); |
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88 | else |
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89 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave1_seq); |
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90 | |
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91 | /* restore orientation */ |
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92 | if ( u8x8->x_offset == 0 ) |
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93 | u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ |
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94 | else |
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95 | u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ |
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96 | |
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97 | break; |
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98 | #ifdef U8X8_WITH_SET_CONTRAST |
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99 | case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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100 | |
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101 | u8x8_cad_StartTransfer(u8x8); |
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102 | |
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103 | u8x8_cad_SendCmd(u8x8, FS ); |
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104 | u8x8_cad_SendArg(u8x8, 4 | (arg_int>>7) ); |
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105 | u8x8_cad_SendCmd(u8x8, FS | 1); |
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106 | u8x8_cad_SendArg(u8x8, 0x080 | arg_int ); |
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107 | |
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108 | /* restore orientation */ |
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109 | if ( u8x8->x_offset == 0 ) |
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110 | u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ |
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111 | else |
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112 | u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ |
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113 | u8x8_cad_EndTransfer(u8x8); |
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114 | break; |
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115 | #endif |
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116 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
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117 | |
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118 | u8x8_cad_StartTransfer(u8x8); |
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119 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
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120 | x *= 8; |
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121 | |
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122 | x += u8x8->x_offset; |
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123 | |
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124 | if ( u8x8->x_offset == 0 ) |
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125 | u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ |
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126 | else |
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127 | u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ |
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128 | |
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129 | u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos)); |
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130 | u8x8_cad_SendCmd(u8x8, 0x0e0 | ((x&15))); |
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131 | u8x8_cad_SendCmd(u8x8, 0x0f0 | (x>>4) ); |
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132 | |
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133 | |
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134 | do |
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135 | { |
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136 | c = ((u8x8_tile_t *)arg_ptr)->cnt; |
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137 | ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
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138 | u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */ |
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139 | arg_int--; |
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140 | } while( arg_int > 0 ); |
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141 | |
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142 | u8x8_cad_EndTransfer(u8x8); |
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143 | break; |
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144 | default: |
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145 | return 0; |
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146 | } |
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147 | return 1; |
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148 | } |
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149 | |
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150 | /*=============================================*/ |
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151 | |
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152 | static const u8x8_display_info_t u8x8_st7588_128x64_display_info = |
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153 | { |
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154 | /* chip_enable_level = */ 0, |
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155 | /* chip_disable_level = */ 1, |
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156 | |
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157 | /* post_chip_enable_wait_ns = */ 150, |
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158 | /* pre_chip_disable_wait_ns = */ 30, |
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159 | /* reset_pulse_width_ms = */ 5, |
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160 | /* post_reset_wait_ms = */ 5, /**/ |
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161 | /* sda_setup_time_ns = */ 60, /* */ |
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162 | /* sck_pulse_width_ns = */ 60, /* */ |
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163 | /* 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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164 | /* spi_mode = */ 0, /* active high, rising edge */ |
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165 | /* i2c_bus_clock_100kHz = */ 4, /* 400KHz */ |
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166 | /* data_setup_time_ns = */ 80, |
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167 | /* write_pulse_width_ns = */ 50, |
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168 | /* tile_width = */ 16, |
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169 | /* tile_hight = */ 8, |
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170 | /* default_x_offset = */ 0, /* must be 0, because this is checked also for normal mode */ |
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171 | /* flipmode_x_offset = */ 4, |
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172 | /* pixel_width = */ 128, |
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173 | /* pixel_height = */ 64 |
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174 | }; |
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175 | |
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176 | |
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177 | |
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178 | static const uint8_t u8x8_d_st7588_128x64_init_seq[] = { |
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179 | |
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180 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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181 | |
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182 | U8X8_C( FS | 0x03 ), /* select 11 commands */ |
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183 | U8X8_C( 0x03 ), /* software reset */ |
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184 | |
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185 | U8X8_C( FS | 0x00 ), /* select 00 commands */ |
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186 | U8X8_C( 0x08 ), /* display off */ |
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187 | //U8X8_C( 0x0c ), /* display on */ |
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188 | |
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189 | U8X8_C( FS | 0x01 ), /* select 01 commands */ |
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190 | U8X8_C( 0x08 ), /* display confguration */ |
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191 | U8X8_C( 0x12 ), /* bias 1/9 */ |
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192 | U8X8_C( 0x8f ), /* Vop, lower 7 bits */ |
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193 | |
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194 | U8X8_C( FS | 0x00 ), /* select 00 commands */ |
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195 | U8X8_C( 0x05), /* Bit 0 contains high/low range for Vop */ |
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196 | |
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197 | |
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198 | U8X8_C( FS | 0x03 ), /* select 11 commands */ |
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199 | U8X8_C( 0x0b), /* Frame Rate: 73 Hz */ |
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200 | |
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201 | |
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202 | |
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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 const uint8_t u8x8_d_st7588_jlx12864_flip0_seq[] = { |
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209 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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210 | U8X8_C( FS ), /* normal mode */ |
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211 | U8X8_END_TRANSFER(), /* disable chip */ |
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212 | U8X8_END() /* end of sequence */ |
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213 | }; |
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214 | |
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215 | static const uint8_t u8x8_d_st7588_jlx12864_flip1_seq[] = { |
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216 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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217 | U8X8_C( FS ^ 0x018 ), /* normal mode */ |
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218 | U8X8_END_TRANSFER(), /* disable chip */ |
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219 | U8X8_END() /* end of sequence */ |
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220 | }; |
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221 | |
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222 | |
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223 | uint8_t u8x8_d_st7588_jlx12864(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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224 | { |
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225 | if ( u8x8_d_st7588_128x64_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) |
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226 | return 1; |
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227 | if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
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228 | { |
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229 | u8x8_SetI2CAddress(u8x8, 0x07e); /* the JLX12864 has 0x07e as a default address for I2C */ |
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230 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); |
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231 | return 1; |
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232 | } |
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233 | else if ( msg == U8X8_MSG_DISPLAY_INIT ) |
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234 | { |
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235 | u8x8_d_helper_display_init(u8x8); |
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236 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); |
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237 | return 1; |
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238 | } |
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239 | else if ( msg == U8X8_MSG_DISPLAY_SET_FLIP_MODE ) |
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240 | { |
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241 | if ( arg_int == 0 ) |
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242 | { |
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243 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip0_seq); |
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244 | u8x8->x_offset = u8x8->display_info->default_x_offset; |
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245 | } |
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246 | else |
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247 | { |
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248 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip1_seq); |
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249 | u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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250 | } |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
251 | return 1; |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
252 | } |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
253 | return 0; |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
254 | } |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
255 | |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
256 |