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annotate esp/update_lcd_block.h @ 19:6960c172f1a9

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update py, pnpm, etc
author drewp@bigasterisk.com
date Mon, 26 Aug 2024 16:17:21 -0700
parents 47795c3121f1
children
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7
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1 #include <string>
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2
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3 #include "esphome.h"
8
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4 // some from esphome; other code from
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5 // https://github.com/lvgl/lvgl_esp32_drivers/blob/master/lvgl_tft/ili9481.c
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6 // #include "esphome/components/ili9xxx/ili9xxx_display.h"
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7
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8 static const char *const TAG = "ili9481direct";
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9
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10 namespace esphome {
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11 namespace ili9xxx {
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12
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13 /* MIPI DCS Type1 */
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14 #define ILI9481_CMD_NOP 0x00
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15 #define ILI9481_CMD_SOFTWARE_RESET 0x01
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16 #define ILI9481_CMD_READ_DISP_POWER_MODE 0x0A
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17 #define ILI9481_CMD_READ_DISP_MADCTRL 0x0B // bits 7:3 only
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18 #define ILI9481_CMD_READ_DISP_PIXEL_FORMAT 0x0C
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19 #define ILI9481_CMD_READ_DISP_IMAGE_MODE 0x0D
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20 #define ILI9481_CMD_READ_DISP_SIGNAL_MODE 0x0E
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21 #define ILI9481_CMD_READ_DISP_SELF_DIAGNOSTIC 0x0F // bits 7:6 only
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22 #define ILI9481_CMD_ENTER_SLEEP_MODE 0x10
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23 #define ILI9481_CMD_SLEEP_OUT 0x11
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24 #define ILI9481_CMD_PARTIAL_MODE_ON 0x12
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25 #define ILI9481_CMD_NORMAL_DISP_MODE_ON 0x13
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26 #define ILI9481_CMD_DISP_INVERSION_OFF 0x20
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27 #define ILI9481_CMD_DISP_INVERSION_ON 0x21
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28 #define ILI9481_CMD_DISPLAY_OFF 0x28
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29 #define ILI9481_CMD_DISPLAY_ON 0x29
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30 #define ILI9481_CMD_COLUMN_ADDRESS_SET 0x2A
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31 #define ILI9481_CMD_PAGE_ADDRESS_SET 0x2B
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32 #define ILI9481_CMD_MEMORY_WRITE 0x2C
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33 #define ILI9481_CMD_MEMORY_READ 0x2E
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34 #define ILI9481_CMD_PARTIAL_AREA 0x30
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35 #define ILI9481_CMD_VERT_SCROLL_DEFINITION 0x33
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36 #define ILI9481_CMD_TEARING_EFFECT_LINE_OFF 0x34
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37 #define ILI9481_CMD_TEARING_EFFECT_LINE_ON 0x35
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38 #define ILI9481_CMD_MEMORY_ACCESS_CONTROL 0x36 // bits 7:3,1:0 only
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39 #define ILI9481_CMD_VERT_SCROLL_START_ADDRESS 0x37
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40 #define ILI9481_CMD_IDLE_MODE_OFF 0x38
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41 #define ILI9481_CMD_IDLE_MODE_ON 0x39
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42 #define ILI9481_CMD_COLMOD_PIXEL_FORMAT_SET 0x3A
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43 #define ILI9481_CMD_WRITE_MEMORY_CONTINUE 0x3C
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44 #define ILI9481_CMD_READ_MEMORY_CONTINUE 0x3E
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45 #define ILI9481_CMD_SET_TEAR_SCANLINE 0x44
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46 #define ILI9481_CMD_GET_SCANLINE 0x45
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47
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48 #define ILI9481_DDB_START 0xA1
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49 #define ILI9481_DDB_CONTINUE 0xA8
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50
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51 /* other */
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52 #define ILI9481_CMD_ACCESS_PROTECT 0xB0
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53 #define ILI9481_CMD_LOW_POWER_CONTROL 0xB1
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54 #define ILI9481_CMD_FRAME_MEMORY_ACCESS 0xB3
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55 #define ILI9481_CMD_DISPLAY_MODE 0xB4
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56 #define ILI9481_CMD_DEVICE_CODE 0xBF
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57
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58 #define ILI9481_CMD_PANEL_DRIVE 0xC0
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59 #define ILI9481_CMD_DISP_TIMING_NORMAL 0xC1
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60 #define ILI9481_CMD_DISP_TIMING_PARTIAL 0xC2
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61 #define ILI9481_CMD_DISP_TIMING_IDLE 0xC3
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62 #define ILI9481_CMD_FRAME_RATE 0xC5
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63 #define ILI9481_CMD_INTERFACE_CONTROL 0xC6
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64 #define ILI9481_CMD_GAMMA_SETTING 0xC8
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65
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66 #define ILI9481_CMD_POWER_SETTING 0xD0
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67 #define ILI9481_CMD_VCOM_CONTROL 0xD1
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68 #define ILI9481_CMD_POWER_CONTROL_NORMAL 0xD2
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69 #define ILI9481_CMD_POWER_CONTROL_IDEL 0xD3
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70 #define ILI9481_CMD_POWER_CONTROL_PARTIAL 0xD4
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71
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72 #define ILI9481_CMD_NVMEM_WRITE 0xE0
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73 #define ILI9481_CMD_NVMEM_PROTECTION_KEY 0xE1
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74 #define ILI9481_CMD_NVMEM_STATUS_READ 0xE2
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75 #define ILI9481_CMD_NVMEM_PROTECTION 0xE3
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76
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77 typedef struct {
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78 uint8_t cmd;
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79 uint8_t data[16];
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80 uint8_t databytes; // No of data in data; bit 7 = delay after set; 0xFF = end
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81 // of cmds.
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82 } lcd_init_cmd_t;
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83
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84 lcd_init_cmd_t ili_init_cmds[] = {
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85 {ILI9481_CMD_SLEEP_OUT, {0x00}, 0x80},
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86
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87 // {ILI9481_CMD_POWER_SETTING, {0x07, 0x42, 0x18}, 3}, // from lvgl code
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88 {ILI9481_CMD_POWER_SETTING, {0x07, 0x41, 0x1D}, 3}, // from esphome code
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89
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90 // {ILI9481_CMD_VCOM_CONTROL, {0x00, 0x07, 0x10}, 3}, // from lvgl code
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91 {ILI9481_CMD_VCOM_CONTROL, {0x00, 0x1c, 0x1f}, 3}, // from esphome code
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92
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93 // {ILI9481_CMD_POWER_CONTROL_NORMAL, {0x01, 0x02}, 2}, // from lvgl code
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94 {ILI9481_CMD_POWER_CONTROL_NORMAL, {0x01, 0x11}, 2}, // from esphome code
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95
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96 {ILI9481_CMD_PANEL_DRIVE, {0x10, 0x3B, 0x00, 0x02, 0x11}, 5},
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97 {ILI9481_CMD_FRAME_RATE, {0x03}, 1},
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98 {ILI9481_CMD_FRAME_MEMORY_ACCESS, {0x0, 0x0, 0x0, 0x0}, 4},
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99 //{ILI9481_CMD_DISP_TIMING_NORMAL, {0x10, 0x10, 0x22}, 3},
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100 {ILI9481_CMD_GAMMA_SETTING,
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101 {0x00, 0x32, 0x36, 0x45, 0x06, 0x16, 0x37, 0x75, 0x77, 0x54, 0x0C, 0x00},
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102 12},
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103
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104 #define ILI9481_ADDR_PAGE_ADDR_ORDER_B_TO_T 0x80
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105 #define ILI9481_ADDR_COL_ADDR_ORDER_R_TO_L 0x40
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106 #define ILI9481_ADDR_PAGE_COLUMN_ORDER_REVERSE 0x20
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107 #define ILI9481_ADDR_LCD_REFRESH_BOT_TO_TOP 0x10
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108 #define ILI9481_ADDR_BGR_ORDER 0x08
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109 #define ILI9481_ADDR_HFLIP 0x02
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110 #define ILI9481_ADDR_VFLIP 0x01
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111
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112 {ILI9481_CMD_MEMORY_ACCESS_CONTROL,
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113 {ILI9481_ADDR_BGR_ORDER |
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114 ILI9481_ADDR_HFLIP |
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115 0},
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116 1},
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117
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118 {ILI9481_CMD_COLMOD_PIXEL_FORMAT_SET, {0x66}, 1},
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119 // {ILI9481_CMD_COLMOD_PIXEL_FORMAT_SET, {0x55}, 1},
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120
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121 {ILI9481_CMD_DISP_INVERSION_ON, {}, 0x80},
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122 {ILI9481_CMD_NORMAL_DISP_MODE_ON, {}, 0x80},
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123 {ILI9481_CMD_DISPLAY_ON, {}, 0x80},
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124 {0, {0}, 0xff},
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125 };
7
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126
8
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127 class ILI9481Direct
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128 : public Component,
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129 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
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130 spi::CLOCK_PHASE_LEADING,
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131 // spi::DATA_RATE_40MHZ
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132 spi::DATA_RATE_10MHZ> {
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133 public:
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134 ILI9481Direct(esphome::spi::SPIComponent *spi) { spi_ = spi; }
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135 esphome::spi::SPIComponent *spi_;
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136 int width_ = 320;
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137 int height_ = 480;
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138 esp32::ESP32InternalGPIOPin *reset_pin_;
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139 esp32::ESP32InternalGPIOPin *dc_pin_;
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140 esp32::ESP32InternalGPIOPin *cs_pin_;
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141
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142 void setup() override {
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143 this->setup_pins_();
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144 this->init_lcd_();
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145 }
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146 void loop() override {}
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147
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148 void setup_pins_() {
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149 dc_pin_ = new esp32::ESP32InternalGPIOPin();
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150 dc_pin_->set_pin(::GPIO_NUM_22);
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151 dc_pin_->set_inverted(false);
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152 dc_pin_->set_drive_strength(::GPIO_DRIVE_CAP_2);
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153 dc_pin_->set_flags(gpio::Flags::FLAG_OUTPUT);
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154
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155 dc_pin_->setup(); // OUTPUT
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156 dc_pin_->digital_write(false);
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157
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158 reset_pin_ = new esp32::ESP32InternalGPIOPin();
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159 reset_pin_->set_pin(::GPIO_NUM_25);
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160 reset_pin_->set_inverted(false);
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161 reset_pin_->set_drive_strength(::GPIO_DRIVE_CAP_2);
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162 reset_pin_->set_flags(gpio::Flags::FLAG_OUTPUT);
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163
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164 reset_pin_->setup(); // OUTPUT
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165 reset_pin_->digital_write(true);
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166
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167 cs_pin_ = new esp32::ESP32InternalGPIOPin();
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168 cs_pin_->set_pin(::GPIO_NUM_27);
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169 cs_pin_->set_inverted(false);
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170 cs_pin_->set_drive_strength(::GPIO_DRIVE_CAP_2);
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171 cs_pin_->set_flags(gpio::Flags::FLAG_OUTPUT);
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172
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173 set_cs_pin(cs_pin_);
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174 set_spi_parent(spi_);
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175 spi_setup();
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176 reset_();
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177 }
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178
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179 void init_lcd_() {
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180 command(ILI9481_CMD_SOFTWARE_RESET);
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181 delay(150);
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182
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183 uint16_t cmd = 0;
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184 while (ili_init_cmds[cmd].databytes != 0xff) {
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185 command(ili_init_cmds[cmd].cmd);
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186 {
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187 start_data_();
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188 write_array(ili_init_cmds[cmd].data,
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189 ili_init_cmds[cmd].databytes & 0x1F);
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190 end_data_();
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191 }
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192 if (ili_init_cmds[cmd].databytes & 0x80) {
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193 delay(150);
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194 }
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195 cmd++;
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196 }
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197 ESP_LOGI(TAG, "done init cmds");
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198 }
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199
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200 void blit(uint16_t xp, uint16_t yp, uint16_t w, uint16_t h,
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201 const unsigned char *&buf) {
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202 set_addr_window_(xp, yp, xp + w - 1, yp + h - 1);
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203
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204 this->command(ILI9481_CMD_MEMORY_WRITE);
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205 {
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206 this->start_data_();
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207 this->write_array(buf, static_cast<size_t>(h * w * 3));
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208 this->end_data_();
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209 }
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210 }
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211
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212 void set_addr_window_(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) {
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213 command(ILI9481_CMD_COLUMN_ADDRESS_SET);
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214 {
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215 start_data_();
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216 write_byte(x1 >> 8);
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217 write_byte(x1 & 0xFF);
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218 write_byte(x2 >> 8);
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219 write_byte(x2 & 0xFF);
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220 end_data_();
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221 }
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222 command(ILI9481_CMD_PAGE_ADDRESS_SET);
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223 {
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224 start_data_();
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225 write_byte(y1 >> 8);
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226 write_byte(y1 & 0xFF);
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227 write_byte(y2 >> 8);
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228 write_byte(y2 & 0xFF);
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229 end_data_();
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230 }
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231 }
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232 void command(uint8_t value) {
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233 this->start_command_();
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234 this->write_byte(value);
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235 this->end_command_();
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236 }
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237
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238 void start_command_() {
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239 this->dc_pin_->digital_write(false);
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240 this->enable();
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241 }
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242 void end_command_() { this->disable(); }
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243
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244 void start_data_() {
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245 this->dc_pin_->digital_write(true);
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246 this->enable();
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247 }
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248 void end_data_() { this->disable(); }
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249
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250 void reset_() {
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251 if (this->reset_pin_ != nullptr) {
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252 this->reset_pin_->digital_write(false);
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253 delay(20);
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254 this->reset_pin_->digital_write(true);
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255 delay(20);
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256 }
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257 }
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258 };
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259
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260 void update_lcd_block(ILI9481Direct *lcd, std::string &x) {
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261 #if 0
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262 std::string localPayload = x;
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263 const unsigned char *buf = reinterpret_cast<const unsigned char*>(localPayload.data());
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264 #else
8
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265 const unsigned char *buf = reinterpret_cast<const unsigned char *>(x.data());
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266 #endif
8
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267
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268 uint16_t seq, xp, yp, w, h;
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269 #define readu16() \
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270 (static_cast<const uint16_t>(*(buf++)) | \
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271 (static_cast<const uint16_t>(*(buf++)) << 8))
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272 seq = readu16();
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273 xp = readu16();
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274 yp = readu16();
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275 w = readu16();
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276 h = readu16();
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277 char seqDia[] = " ";
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278 seqDia[seq % 10] = '%';
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279 ESP_LOGD("dbg",
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280 "seq=%hu%s xp=%hu, yp=%hu, w=%hu, h=%hu, full payload=%d bytes", seq,
b46679798c51 mv esp code to this repo. still trying to get correct refreshes
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281 seqDia, xp, yp, w, h, x.size());
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282
8
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283 lcd->blit(xp, yp, w, h, buf);
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284 }
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285 } // namespace ili9xxx
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286 } // namespace esphome