1 | delayMs(250);
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2 | // Pins für die Displaysteuerung als Ausgänge deklarieren
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3 | DDR_MFA_A0 |= (PIN_MFA_A0);
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4 | DDR_MFA_D0 |= (PIN_MFA_D0);
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5 | DDR_MFA_XRES |= (PIN_MFA_XRES);
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6 | DDR_MFA_XCS |= (PIN_MFA_XCS);
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7 | DDR_MFA_XWR |= (PIN_MFA_XWR);
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8 | DDR_MFA_C86 |= (PIN_MFA_C86);
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9 | DDR_MFA_PS |= (PIN_MFA_PS);
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10 |
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11 | // Verzögerung für stabile Spannungsversorgung
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12 | delayMs(100);
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13 |
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14 | // Auf seriellen Übertragungsmodus schalten
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15 | PORT_MFA_C86 |= (PIN_MFA_C86);
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16 | PORT_MFA_PS &= ~(PIN_MFA_PS);
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17 |
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18 | // Chip Select
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19 | PORT_MFA_XCS &= ~(PIN_MFA_XCS);
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20 |
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21 | // Taktleitung
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22 | PORT_MFA_XWR &= ~(PIN_MFA_XWR);
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23 |
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24 | // Reset aufheben
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25 | PORT_MFA_XRES |= (PIN_MFA_XRES);
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26 |
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27 | // Verzögerung nach Reset-Release
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28 | delayMs(250);
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29 |
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30 | // Display aus dem Sleep Mode holen
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31 | lcd_send_byte(CMD, 0x11);
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32 | delayMs(50);
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33 |
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34 |
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35 | // Column Adress Region setzen
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36 | lcd_send_byte(CMD, 0x2A);
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37 | lcd_send_byte(PARA, 0x00);
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38 | lcd_send_byte(PARA, 0x06);
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39 | lcd_send_byte(PARA, 0x00);
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40 | lcd_send_byte(PARA, 0x7D);
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41 |
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42 | // Page Adress Region setzen
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43 | lcd_send_byte(CMD, 0x2B);
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44 | lcd_send_byte(PARA, 0x00);
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45 | lcd_send_byte(PARA, 0x00);
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46 | lcd_send_byte(PARA, 0x00);
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47 | lcd_send_byte(PARA, 0xAF);
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48 |
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49 | lcd_send_byte(CMD, 0x3A);
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50 | lcd_send_byte(PARA, 0x02);
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51 |
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52 | delayMs(10);
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53 |
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54 | /* Für Landscape-Format eincodieren */
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55 | /* -------------------------------- */
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56 | // defines LCD_WIDTH & LCD_HEIGHT müssen getauscht werden!
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57 | // defines LCD_RAM_PAGES_START_ADDRESS/LCD_RAM_PAGES_END_ADDRESS & LCD_RAM_COLUMNS_START_ADDRESS/LCD_RAM_COLUMNS_END_ADDRESS müssen getauscht werden!
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58 | /*
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59 | lcd_send_byte(CMD, 0x36);
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60 | lcd_send_byte(PARA, 0b01100000);
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61 |
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62 | _delay_ms(10);
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63 | */
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64 | lcd_send_byte(CMD, 0x2D);
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65 | lcd_send_byte(PARA, 0x00); //1
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66 | lcd_send_byte(PARA, 0x00); //2
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67 | lcd_send_byte(PARA, 0x00); //3
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68 | lcd_send_byte(PARA, 0x00); //4
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69 | lcd_send_byte(PARA, 0x00); //5
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70 | lcd_send_byte(PARA, 0x00); //6
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71 | lcd_send_byte(PARA, 0x00); //7
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72 | lcd_send_byte(PARA, 0xFF);
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73 | lcd_send_byte(PARA, 0x00); //1
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74 | lcd_send_byte(PARA, 0x00); //2
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75 | lcd_send_byte(PARA, 0x00); //3
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76 | lcd_send_byte(PARA, 0x00); //4
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77 | lcd_send_byte(PARA, 0x00); //5
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78 | lcd_send_byte(PARA, 0x00); //6
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79 | lcd_send_byte(PARA, 0x00); //7
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80 | lcd_send_byte(PARA, 0x00); //8
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81 | lcd_send_byte(PARA, 0x00); //9
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82 | lcd_send_byte(PARA, 0x00); //10
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83 | lcd_send_byte(PARA, 0x00); //11
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84 | lcd_send_byte(PARA, 0x00); //12
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85 | lcd_send_byte(PARA, 0x00); //13
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86 | lcd_send_byte(PARA, 0x00); //14
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87 | lcd_send_byte(PARA, 0x00); //15
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88 | lcd_send_byte(PARA, 0xFF);
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89 | lcd_send_byte(PARA, 0x00); //1
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90 | lcd_send_byte(PARA, 0x00); //2
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91 | lcd_send_byte(PARA, 0x00); //3
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92 | lcd_send_byte(PARA, 0x00); //4
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93 | lcd_send_byte(PARA, 0x00); //5
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94 | lcd_send_byte(PARA, 0x00); //6
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95 | lcd_send_byte(PARA, 0x00); //7
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96 | lcd_send_byte(PARA, 0x00); //8
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97 | lcd_send_byte(PARA, 0x00); //9
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98 | lcd_send_byte(PARA, 0x00); //10
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99 | lcd_send_byte(PARA, 0x00); //11
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100 | lcd_send_byte(PARA, 0xFF);
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101 | lcd_send_byte(PARA, 0x00); //1
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102 | lcd_send_byte(PARA, 0x00); //2
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103 | lcd_send_byte(PARA, 0x00); //3
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104 | lcd_send_byte(PARA, 0x00); //4
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105 | lcd_send_byte(PARA, 0x00); //5
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106 | lcd_send_byte(PARA, 0x00); //6
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107 | lcd_send_byte(PARA, 0x00); //7
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108 | lcd_send_byte(PARA, 0x00); //8
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109 | lcd_send_byte(PARA, 0x00); //9
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110 | lcd_send_byte(PARA, 0x00); //10
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111 | lcd_send_byte(PARA, 0x00); //11
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112 | lcd_send_byte(PARA, 0x00); //12
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113 |
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114 | lcd_send_byte(CMD, 0x2C);
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115 | delayMs(10);
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116 |
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117 | //Taktleitung
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118 | PORT_MFA_XWR |= (PIN_MFA_XWR);
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119 |
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120 | // Datenleitung
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121 | PORT_MFA_D0 &= ~(PIN_MFA_D0);
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122 |
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123 | // CMD+PARA Leitung
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124 | PORT_MFA_A0 &= ~(PIN_MFA_A0);
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125 |
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126 | // Chip Select
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127 | PORT_MFA_XCS |= (PIN_MFA_XCS);
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128 |
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129 | // Auf parallele Übertragungsmodus schalten
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130 | PORT_MFA_C86 &= ~(PIN_MFA_C86);
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131 | PORT_MFA_PS |= (PIN_MFA_PS);
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132 |
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133 | // Chip Select
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134 | PORT_MFA_XCS &= ~(PIN_MFA_XCS);
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135 |
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136 | // Taktleitung
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137 | PORT_MFA_XWR &= ~(PIN_MFA_XWR);
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138 |
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139 | // CMD+PARA Leitung
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140 | PORT_MFA_A0 |= (PIN_MFA_A0);
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141 |
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142 | //Sende dots one bit
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143 | for (uint16_t y = 0; y <= 1320 ; y++)
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144 | {
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145 | lcd_send_pixel(0xFF);
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146 | lcd_send_pixel(0xFF);
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147 | }
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148 |
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149 | // Taktleitung
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150 | PORT_MFA_XWR |= (PIN_MFA_XWR);
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151 |
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152 | // Datenleitung
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153 | PORT_MFA_D0 &= ~(PIN_MFA_D0);
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154 |
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155 | // Chip Select
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156 | PORT_MFA_XCS |= (PIN_MFA_XCS);
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157 |
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158 | // Auf seriellen Übertragungsmodus schalten
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159 | PORT_MFA_C86 |= (PIN_MFA_C86);
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160 | PORT_MFA_PS &= ~(PIN_MFA_PS);
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161 |
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162 | // Chip Select
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163 | PORT_MFA_XCS &= ~(PIN_MFA_XCS);
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164 |
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165 | //Taktleitung
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166 | PORT_MFA_XWR &= ~(PIN_MFA_XWR);
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167 |
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168 | //Datenleitung
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169 | PORT_MFA_D0 |= (PIN_MFA_D0);
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170 |
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171 | // Display on
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172 | lcd_send_byte(CMD, 0x29);
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173 |
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174 |
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175 | void lcd_send_byte(uint8_t u8_Type, uint8_t u8_Byte)
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176 | {
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177 | if (u8_Type == CMD)
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178 | {
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179 | LCD_COMMAND_MODE();
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180 | }
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181 | else
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182 | {
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183 | LCD_PARAMETER_MODE();
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184 | }
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185 |
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186 | // -> Serielle Übertragung des Bytes
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187 | for (uint8_t x = 0; x <= 7 ; x++)
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188 | {
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189 | PORT_MFA_XWR &= ~(PIN_MFA_XWR);
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190 |
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191 | if (u8_Byte & (1<<(7 - x)))
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192 | {
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193 | PORT_MFA_D0 |= (PIN_MFA_D0);
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194 | }
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195 | else
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196 | {
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197 | PORT_MFA_D0 &= ~(PIN_MFA_D0);
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198 | }
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199 |
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200 | PORT_MFA_XWR |= (PIN_MFA_XWR);
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201 | }
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202 |
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203 | }
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204 |
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205 | void lcd_send_pixel(uint8_t u8_Block)
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206 | {
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207 | for (uint8_t x = 0; x <= 7 ; x++)
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208 | {
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209 | PORT_MFA_XWR &= ~(PIN_MFA_XWR);
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210 |
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211 |
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212 | if (u8_Block & (1<<(7 - x)))
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213 | {
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214 | PORT_MFA_D0 |= (PIN_MFA_D0);
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215 | }
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216 | else
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217 | {
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218 | PORT_MFA_D0 &= ~(PIN_MFA_D0);
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219 | }
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220 |
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221 | PORT_MFA_XWR |= (PIN_MFA_XWR);
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222 | }
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223 | }
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