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1 /* |
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2 |
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3 u8x8_d_uc1604.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 |
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36 */ |
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37 #include "u8x8.h" |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 static const uint8_t u8x8_d_uc1604_powersave0_seq[] = { |
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44 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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45 U8X8_DLY(20), |
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46 U8X8_C(0x0af), /* display on */ |
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47 U8X8_DLY(20), /* during setup, it seems that the startup is more reliable when sending this cmd twice */ |
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48 U8X8_C(0x0af), /* display on */ |
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49 U8X8_DLY(50), /* startup takes some time */ |
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50 U8X8_END_TRANSFER(), /* disable chip */ |
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51 U8X8_END() /* end of sequence */ |
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52 }; |
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53 |
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54 static const uint8_t u8x8_d_uc1604_powersave1_seq[] = { |
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55 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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56 U8X8_C(0x0ae), /* display off, enter sleep mode */ |
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57 U8X8_END_TRANSFER(), /* disable chip */ |
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58 U8X8_END() /* end of sequence */ |
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59 }; |
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60 |
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61 static const uint8_t u8x8_d_uc1604_flip0_seq[] = { |
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62 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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63 U8X8_C(0x0c4), /* LCD Mapping */ |
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64 U8X8_END_TRANSFER(), /* disable chip */ |
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65 U8X8_END() /* end of sequence */ |
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66 }; |
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67 |
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68 static const uint8_t u8x8_d_uc1604_flip1_seq[] = { |
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69 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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70 U8X8_C(0x0c2), /* LCD Mapping */ |
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71 U8X8_END_TRANSFER(), /* disable chip */ |
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72 U8X8_END() /* end of sequence */ |
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73 }; |
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74 |
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75 |
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76 uint8_t u8x8_d_uc1604_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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77 { |
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78 uint8_t x, y, c; |
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79 uint8_t *ptr; |
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80 switch(msg) |
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81 { |
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82 case U8X8_MSG_DISPLAY_DRAW_TILE: |
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83 u8x8_cad_StartTransfer(u8x8); |
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84 |
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85 x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
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86 x *= 8; |
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87 |
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88 u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15))); |
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89 u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) ); |
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90 |
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91 y = ((u8x8_tile_t *)arg_ptr)->y_pos; |
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92 y += u8x8->x_offset; |
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93 u8x8_cad_SendCmd(u8x8, 0x0b0 | (y&15)); |
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94 |
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95 c = ((u8x8_tile_t *)arg_ptr)->cnt; |
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96 c *= 8; |
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97 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
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98 do |
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99 { |
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100 u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */ |
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101 arg_int--; |
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102 } while( arg_int > 0 ); |
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103 |
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104 u8x8_cad_EndTransfer(u8x8); |
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105 break; |
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106 /* handled in the calling procedure |
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107 case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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108 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_128x64_display_info); |
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109 break; |
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110 case U8X8_MSG_DISPLAY_INIT: |
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111 u8x8_d_helper_display_init(u8x8); |
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112 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq); |
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113 break; |
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114 */ |
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115 case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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116 if ( arg_int == 0 ) |
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117 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave0_seq); |
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118 else |
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119 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave1_seq); |
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120 break; |
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121 case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
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122 if ( arg_int == 0 ) |
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123 { |
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124 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip0_seq); |
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125 u8x8->x_offset = u8x8->display_info->default_x_offset; |
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126 } |
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127 else |
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128 { |
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129 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip1_seq); |
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130 u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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131 } |
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132 break; |
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133 #ifdef U8X8_WITH_SET_CONTRAST |
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134 case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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135 u8x8_cad_StartTransfer(u8x8); |
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136 u8x8_cad_SendCmd(u8x8, 0x081 ); |
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137 u8x8_cad_SendArg(u8x8, arg_int ); /* uc1604 has range from 0 to 255 */ |
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138 u8x8_cad_EndTransfer(u8x8); |
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139 break; |
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140 #endif |
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141 default: |
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142 return 0; |
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143 } |
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144 return 1; |
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145 } |
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146 |
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147 /*================================================*/ |
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148 /* JLX19264 */ |
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149 |
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150 /* |
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151 timings from uc1608 |
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152 |
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153 UC1604 has two chip select inputs (CS0 and CS1). |
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154 CS0 is low active, CS1 is high active. It will depend on the display |
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155 module whether the display has a is low or high active chip select. |
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156 |
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157 */ |
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158 static const u8x8_display_info_t u8x8_uc1604_192x64_display_info = |
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159 { |
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160 /* chip_enable_level = */ 0, /* JLX19264G uses CS0, which is low active CS*/ |
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161 /* chip_disable_level = */ 1, |
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162 |
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163 /* post_chip_enable_wait_ns = */ 20, |
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164 /* pre_chip_disable_wait_ns = */ 20, |
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165 /* reset_pulse_width_ms = */ 1, |
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166 /* post_reset_wait_ms = */ 10, |
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167 /* sda_setup_time_ns = */ 30, |
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168 /* sck_pulse_width_ns = */ 65, /* half of cycle time */ |
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169 /* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
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170 /* spi_mode = */ 0, /* active high, rising edge */ |
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171 /* i2c_bus_clock_100kHz = */ 4, |
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172 /* data_setup_time_ns = */ 30, |
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173 /* write_pulse_width_ns = */ 35, |
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174 /* tile_width = */ 24, /* width of 24*8=192 pixel */ |
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175 /* tile_hight = */ 8, |
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176 /* default_x_offset = */ 0, /* reused as y page offset */ |
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177 /* flipmode_x_offset = */ 0, /* reused as y page offset */ |
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178 /* pixel_width = */ 192, |
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179 /* pixel_height = */ 64 |
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180 }; |
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181 |
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182 static const uint8_t u8x8_d_uc1604_jlx19264_init_seq[] = { |
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183 |
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184 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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185 |
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186 U8X8_C(0x0e2), /* soft reset */ |
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187 U8X8_DLY(200), |
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188 U8X8_DLY(200), |
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189 |
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190 U8X8_C(0x02f), /* power on, Bit 2 PC2=1 (internal charge pump), Bits 0/1: cap of panel */ |
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191 U8X8_DLY(200), |
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192 U8X8_DLY(200), |
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193 |
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194 U8X8_CA(0x081, 0x052), /* set contrast, JLX19264G suggestion: 0x045 */ |
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195 U8X8_C(0x0eb), /* LCD bias Bits 0/1: 00=6 01=7, 10=8, 11=9 */ |
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196 |
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197 |
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198 //U8X8_C(0x023), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */ |
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199 //U8X8_C(0x027), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */ |
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200 |
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201 U8X8_C(0x0c4), /* Map control, Bit 2: MY=1, Bit 1: MX=0 */ |
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202 U8X8_C(0x0a0), /* 0xa0: 76Hz FPS, controller default: 0x0a1: 95Hz FPS */ |
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203 |
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204 |
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205 U8X8_C(0x040), /* set scroll line to 0 */ |
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206 U8X8_C(0x089), /* RAM access control (controller default: 0x089)*/ |
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207 |
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208 |
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209 U8X8_C(0x000), /* column low nibble */ |
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210 U8X8_C(0x010), /* column high nibble */ |
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211 U8X8_C(0x0b0), /* page adr */ |
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212 |
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213 |
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214 U8X8_END_TRANSFER(), /* disable chip */ |
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215 U8X8_END() /* end of sequence */ |
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216 }; |
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217 |
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218 uint8_t u8x8_d_uc1604_jlx19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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219 { |
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220 /* call common procedure first and handle messages there */ |
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221 if ( u8x8_d_uc1604_common(u8x8, msg, arg_int, arg_ptr) == 0 ) |
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222 { |
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223 /* msg not handled, then try here */ |
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224 switch(msg) |
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225 { |
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226 case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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227 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_192x64_display_info); |
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228 break; |
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229 case U8X8_MSG_DISPLAY_INIT: |
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230 u8x8_d_helper_display_init(u8x8); |
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231 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_jlx19264_init_seq); |
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232 break; |
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233 default: |
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234 return 0; /* msg unknown */ |
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235 } |
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236 } |
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237 return 1; |
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238 } |
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239 |
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240 |