annotate Discovery/Src/display.c @ 534:39684aa19f28

Added tag 1.5.5 release for changeset 02e7e11fdbe8
author heinrichsweikamp
date Sun, 04 Oct 2020 15:50:43 +0200 (2020-10-04)
parents 5ca177d2df5d
children f7318457df4d
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1
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2 #include "stm32f4xx_hal.h" /* for HAL_Delay() */
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3 #include "ostc.h"
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4 #include "display.h"
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5
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6 #define ENABLE_EXTENDED_COMMANDS 0xB9
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7 #define SET_POWER 0xB1
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8 #define SLEEP_OUT 0x11
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9 #define DISPLAY_INVERSION_OFF 0x20
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10 #define MEMORY_ACCESS_ONTROL 0x36
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11 #define INTERFACE_PIXEL_FORMAT 0x3A
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12 #define SET_RGB_INTERFACE_RELATED 0xB3
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13 #define SET_DISPLAY_WAVEFORM 0xB4
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14 #define SET_PANEL 0xCC
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15 #define SET_GAMMA_CURVE_RELATED 0xE0
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16 #define DISPLAY_ON 0x29
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17 #define DISPLAY_OFF 0x28
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18 #define SLEEP_IN 0x10
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19
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20
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21 static void Display_Error_Handler(void);
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22
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23 void display_power_on__1_of_2__pre_RGB(void)
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24 {
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25 /* reset system */
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26 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select
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27
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28 HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_RESET);
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29 HAL_Delay(10);
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30 HAL_GPIO_WritePin(DISPLAY_RESETB_GPIO_PORT,DISPLAY_RESETB_PIN,GPIO_PIN_SET);
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31 HAL_Delay(10);
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32
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33 /* RGB signals should be now for 2 frames or more (datasheet) */
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34 }
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35
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36
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37 static void send(uint8_t *pData, uint16_t inputlength)
38
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38 {
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39 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_RESET); // chip select
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40
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41 if(HAL_SPI_Transmit(&hspiDisplay,(uint8_t*)pData, inputlength, 10000) != HAL_OK)
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42 Display_Error_Handler();
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43
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44 while (HAL_SPI_GetState(&hspiDisplay) != HAL_SPI_STATE_READY)
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45 {
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46 }
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47 HAL_GPIO_WritePin(DISPLAY_CSB_GPIO_PORT,DISPLAY_CSB_PIN,GPIO_PIN_SET); // chip select
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48 }
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49
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50
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51 static uint16_t convert8to9to8(uint8_t *pInput, uint8_t *pOutput,uint16_t inputlength)
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52 {
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53 uint16_t outputlength;
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54 uint8_t readbit = 0x80;//0b1000000;
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55 uint8_t writebit = 0x40;//0b0100000;
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56 uint16_t i,j,k;
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57
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58 outputlength = ((inputlength+7)/8)*9;
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59
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60 for(i=0;i<outputlength;i++)
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61 pOutput[i] = 0;
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62
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63 k = 0;
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64 for(i=0;i<inputlength;i++)
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65 {
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66 if(i != 0)
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67 {
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68 pOutput[k] |= writebit; // 9. bit
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69 writebit = writebit >> 1;
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70 if(writebit == 0)
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71 {
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72 writebit = 0x80;
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73 k++;
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74 }
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75 }
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76 for(j=0;j<8;j++)
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77 {
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78 if((pInput[i] & readbit) != 0)
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79 {
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80 pOutput[k] |= writebit;
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81 }
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82 readbit = readbit >> 1;
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83 if(readbit == 0)
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84 readbit = 0x80;
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85 writebit = writebit >> 1;
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86 if(writebit == 0)
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87 {
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88 writebit = 0x80;
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89 k++;
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90 }
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91 }
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92 }
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93 return outputlength;
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94 }
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95
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96 void display_power_on__2_of_2__post_RGB(void)
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97 {
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98 uint8_t aTxBuffer[32];
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99 uint8_t bTxBuffer[36];
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100 uint16_t i,length;
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101
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102 for(i=0;i<32;i++)
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103 aTxBuffer[i] = 0;
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104 for(i=0;i<36;i++)
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105 bTxBuffer[i] = 0;
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106
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107 aTxBuffer[0] = ENABLE_EXTENDED_COMMANDS;
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108 aTxBuffer[1] = 0xFF;
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109 aTxBuffer[2] = 0x83;
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110 aTxBuffer[3] = 0x63;
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111 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,4);
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112 send((uint8_t*)bTxBuffer, length);
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113
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114 aTxBuffer[0] = SET_POWER;
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115 aTxBuffer[1] = 0x81;
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116 aTxBuffer[2] = 0x24;
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117 aTxBuffer[3] = 0x04;
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118 aTxBuffer[4] = 0x02;
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119 aTxBuffer[5] = 0x02;
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120 aTxBuffer[6] = 0x03;
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121 aTxBuffer[7] = 0x10;
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122 aTxBuffer[8] = 0x10;
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123 aTxBuffer[9] = 0x34;
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124 aTxBuffer[10] = 0x3C;
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125 aTxBuffer[11] = 0x3F;
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126 aTxBuffer[12] = 0x3F;
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127 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13);
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128 send((uint8_t*)bTxBuffer, length);
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129
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130 aTxBuffer[0] = SLEEP_OUT;
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131 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1);
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132 send((uint8_t*)bTxBuffer, length);
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133 HAL_Delay(5+1);
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134
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135 aTxBuffer[0] = DISPLAY_INVERSION_OFF;
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136 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1);
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137 send((uint8_t*)bTxBuffer, length);
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138
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139 aTxBuffer[0] = MEMORY_ACCESS_ONTROL;
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140 aTxBuffer[1] = 0x00;
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141 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2);
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142 send((uint8_t*)bTxBuffer, length);
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143
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144 aTxBuffer[0] = INTERFACE_PIXEL_FORMAT;
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145 aTxBuffer[1] = 0x70;
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146 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2);
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147 send((uint8_t*)bTxBuffer, length);
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148 HAL_Delay(120+20);
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149
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150 aTxBuffer[0] = SET_POWER;
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151 aTxBuffer[1] = 0x78;
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152 aTxBuffer[2] = 0x24;
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153 aTxBuffer[3] = 0x04,
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154 aTxBuffer[4] = 0x02;
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155 aTxBuffer[5] = 0x02;
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156 aTxBuffer[6] = 0x03;
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157 aTxBuffer[7] = 0x10;
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158 aTxBuffer[8] = 0x10;
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159 aTxBuffer[9] = 0x34;
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160 aTxBuffer[10] = 0x3C;
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161 aTxBuffer[11] = 0x3F;
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162 aTxBuffer[12] = 0x3F;
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163 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,13);
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164 send((uint8_t*)bTxBuffer, length);
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165
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166 aTxBuffer[0] = SET_RGB_INTERFACE_RELATED;
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167 aTxBuffer[1] = 0x01;
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168 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2);
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169 send((uint8_t*)bTxBuffer, length);
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170
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171 aTxBuffer[0] = SET_DISPLAY_WAVEFORM;
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172 aTxBuffer[1] = 0x00;
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173 aTxBuffer[2] = 0x08;
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174 aTxBuffer[3] = 0x56;
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175 aTxBuffer[4] = 0x07;
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176 aTxBuffer[5] = 0x01;
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177 aTxBuffer[6] = 0x01;
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178 aTxBuffer[7] = 0x4D;
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179 aTxBuffer[8] = 0x01;
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180 aTxBuffer[9] = 0x42;
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181 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,10);
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182 send((uint8_t*)bTxBuffer, length);
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183
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184 aTxBuffer[0] = SET_PANEL;
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185 aTxBuffer[1] = 0x0B;
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186 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,2);
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187 send((uint8_t*)bTxBuffer, length);
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188
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189 aTxBuffer[0] = SET_GAMMA_CURVE_RELATED;
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190 aTxBuffer[1] = 0x01;
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191 aTxBuffer[2] = 0x48;
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192 aTxBuffer[3] = 0x4D;
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193 aTxBuffer[4] = 0x4E;
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194 aTxBuffer[5] = 0x58;
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195 aTxBuffer[6] = 0xF6;
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196 aTxBuffer[7] = 0x0B;
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197 aTxBuffer[8] = 0x4E;
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198 aTxBuffer[9] = 0x12;
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199 aTxBuffer[10] = 0xD5;
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200 aTxBuffer[11] = 0x15;
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201 aTxBuffer[12] = 0x95;
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202 aTxBuffer[13] = 0x55;
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203 aTxBuffer[14] = 0x8E;
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204 aTxBuffer[15] = 0x11;
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205 aTxBuffer[16] = 0x01;
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206 aTxBuffer[17] = 0x48;
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207 aTxBuffer[18] = 0x4D;
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208 aTxBuffer[19] = 0x55;
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209 aTxBuffer[20] = 0x5F;
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210 aTxBuffer[21] = 0xFD;
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211 aTxBuffer[22] = 0x0A;
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212 aTxBuffer[23] = 0x4E;
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213 aTxBuffer[24] = 0x51;
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214 aTxBuffer[25] = 0xD3;
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215 aTxBuffer[26] = 0x17;
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216 aTxBuffer[27] = 0x95;
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217 aTxBuffer[28] = 0x96;
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218 aTxBuffer[29] = 0x4E;
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219 aTxBuffer[30] = 0x11;
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220 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,31);
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221 send((uint8_t*)bTxBuffer, length);
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222 HAL_Delay(5+1);
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223
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224 aTxBuffer[0] = DISPLAY_ON;
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225 length = convert8to9to8((uint8_t*)aTxBuffer,(uint8_t*)bTxBuffer,1);
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226 send((uint8_t*)bTxBuffer, length);
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227 }
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228
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229
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230 static void Display_Error_Handler(void)
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231 {
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232 while(1)
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233 {
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234 }
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235 }