227 lines
6.5 KiB
C
227 lines
6.5 KiB
C
/*
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* display.c
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*
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* Created on: 19 Apr 2020
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* Author: Chris
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*/
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#include "display.h"
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#include "tftspi.h"
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#include "tft.h"
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#define SPI_BUS TFT_VSPI_HOST
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typedef struct {
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int datetimeW;
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int datetimeA;
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int dateTimeLeft;
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int datetimeBaseline;
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int innenW;
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int aussenW;
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int locA;
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int tempW;
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int degCW;
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int tempA;
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int humW;
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int percentW;
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int humA;
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int pressW;
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int pressA;
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int hpaW;
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int datetimebarH;
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int margin;
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int borderVMargin;
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int innenBaseline;
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int aussenBaseline;
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int pressBaseline;
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int humBaseline;
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int tempBaseline;
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int unitMaxW;
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int unitW;
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int ioW;
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int unitLeft;
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int innenLeft;
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int aussenLeft;
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} layout_t;
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static layout_t layout;
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layout_t create_layout()
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{
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layout_t layout;
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int screenW = tft_width;
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int screenH = tft_height;
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layout.datetimebarH = 20; // Can be calculated too
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layout.margin = 5;
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layout.borderVMargin = 10;
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TFT_setFont(UBUNTU16_FONT, NULL);
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layout.datetimebarH = 20;
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layout.datetimeW = TFT_getStringWidth("25.12.2031 08:31");
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layout.datetimeA = TFT_getfontheight();
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layout.dateTimeLeft = (screenW - layout.datetimeW) / 2;
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layout.datetimeBaseline = (layout.datetimebarH - layout.datetimeA) / 2;
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layout.innenW = TFT_getStringWidth("Innen");
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layout.aussenW = TFT_getStringWidth("Aussen");
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layout.locA = TFT_getfontheight();
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TFT_setFont(DEJAVU18_FONT, NULL);
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layout.tempW = TFT_getStringWidth("-35.2");
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layout.degCW = TFT_getStringWidth(" C");
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layout.tempA = TFT_getfontheight();
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TFT_setFont(UBUNTU16_FONT, NULL);
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layout.humW = TFT_getStringWidth("25.2");
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layout.percentW = TFT_getStringWidth("%");
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layout.humA = TFT_getfontheight();
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layout.pressW = TFT_getStringWidth("1281");
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layout.pressA = TFT_getfontheight();
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layout.hpaW = TFT_getStringWidth("hPa");
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layout.innenBaseline = layout.datetimebarH + layout.borderVMargin;
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layout.aussenBaseline = layout.innenBaseline;
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layout.pressBaseline = screenH - layout.borderVMargin - layout.pressA;
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layout.humBaseline = layout.pressBaseline - layout.pressA - layout.margin;
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layout.tempBaseline = (layout.humBaseline - layout.humA + layout.innenBaseline) / 2
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+ 0.5*layout.tempA - 1;
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int unitMaxW = layout.degCW;
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if (layout.percentW > unitMaxW) unitMaxW = layout.percentW;
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if (layout.hpaW > unitMaxW) unitMaxW = layout.hpaW;
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layout.unitW = 2*layout.margin + unitMaxW;
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layout.ioW = (screenW - layout.unitW) / 2;
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layout.unitLeft = screenW - layout.unitW + layout.margin;
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layout.innenLeft = layout.margin;
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layout.aussenLeft = layout.innenLeft + layout.ioW;
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ESP_LOGI("main", "innen: %d x %d, aussen: %d x %d", layout.innenW,
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layout.locA, layout.aussenW, layout.locA);
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ESP_LOGI("main", "temps: %d x %d, unit: %d x %d", layout.tempW,
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layout.tempA, layout.degCW, layout.tempA);
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ESP_LOGI("main", "hum: %d x %d, unit: %d x %d", layout.humW, layout.humA,
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layout.percentW, layout.humA);
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ESP_LOGI("main", "press: %d x %d, unit: %d x %d", layout.pressW, layout.pressA,
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layout.hpaW, layout.pressA);
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ESP_LOGI("main", "Baselines - innen: %d, aussen: %d, press: %d, hum: %d, temp: %d",
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layout.innenBaseline, layout.aussenBaseline,
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layout.pressBaseline, layout.humBaseline, layout.tempBaseline);
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ESP_LOGI("main", "Width - units: %d, i/o: %d", layout.unitW, layout.ioW);
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ESP_LOGI("main", "Left - units: %d", layout.unitLeft);
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return layout;
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}
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void display_data(int32_t temp_raw, uint32_t pressure_raw, uint32_t humidity_raw,
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int32_t temp2_raw, uint32_t pressure2_raw, uint32_t humidity2_raw)
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{
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// Calc temperature pre and post comma values
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int32_t temp_pre = temp_raw / 100;
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int32_t temp_post = (abs(temp_raw) % 100) / 10;
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char temp_str[12];
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sprintf(temp_str, "% 2.2d,%.1d", temp_pre, temp_post);
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int32_t temp2_pre = temp2_raw / 100;
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int32_t temp2_post = (abs(temp2_raw) % 100) / 10;
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char temp2_str[12];
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sprintf(temp2_str, "% 2.2d,%.1d", temp2_pre, temp2_post);
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// Calc humidity pre and post comma values
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uint32_t humid_pre = humidity_raw / 1024;
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uint32_t humid_post = (humidity_raw - humid_pre*1024) * 10 / 1024;
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char humid_str[12];
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sprintf(humid_str, "%2.2d,%.1d", humid_pre, humid_post);
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uint32_t humid2_pre = humidity2_raw / 1024;
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uint32_t humid2_post = (humidity2_raw - humid2_pre*1024) * 10 / 1024;
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char humid2_str[12];
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sprintf(humid2_str, "%2.2d,%.1d", humid2_pre, humid2_post);
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// Calc pressure values
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uint32_t press = pressure_raw / 100;
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char press_str[12];
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sprintf(press_str, "%d", press);
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uint32_t press2 = pressure2_raw / 100;
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char press2_str[12];
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sprintf(press2_str, "%d", press2);
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TFT_setFont(UBUNTU16_FONT, NULL);
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TFT_fillScreen(TFT_BLACK);
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tft_fg = TFT_WHITE;
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TFT_print("25.12.2031 08:31", layout.dateTimeLeft, layout.datetimeBaseline);
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TFT_drawFastHLine(0, 20, 160, TFT_WHITE);
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TFT_print("Innen", layout.innenLeft, layout.innenBaseline);
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TFT_print("Aussen", layout.aussenLeft, layout.aussenBaseline);
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TFT_setFont(DEJAVU18_FONT, NULL);
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tft_fg = TFT_RED;
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TFT_print(temp_str, layout.innenLeft, layout.tempBaseline);
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tft_fg = TFT_YELLOW;
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TFT_print(temp2_str, layout.aussenLeft, layout.tempBaseline);
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tft_fg = TFT_WHITE;
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TFT_print(" C", layout.unitLeft, layout.tempBaseline);
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TFT_drawCircle(layout.unitLeft+3, layout.tempBaseline+3, 3, TFT_WHITE);
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TFT_setFont(UBUNTU16_FONT, NULL);
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TFT_print(humid_str, layout.innenLeft, layout.humBaseline);
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TFT_print(humid2_str, layout.aussenLeft, layout.humBaseline);
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TFT_print("%", layout.unitLeft, layout.humBaseline);
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TFT_print(press_str, layout.innenLeft, layout.pressBaseline);
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TFT_print(press2_str, layout.aussenLeft, layout.pressBaseline);
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TFT_print("hPa", layout.unitLeft, layout.pressBaseline);
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}
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esp_err_t init_display()
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{
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tft_max_rdclock = 4000000;
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TFT_PinsInit();
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spi_lobo_device_handle_t spi;
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spi_lobo_bus_config_t buscfg={
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.miso_io_num=PIN_NUM_MISO,
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.mosi_io_num=PIN_NUM_MOSI,
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.sclk_io_num=PIN_NUM_CLK,
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.quadwp_io_num=-1,
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.quadhd_io_num=-1,
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.max_transfer_sz = 6*1024,
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};
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spi_lobo_device_interface_config_t devcfg={
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.clock_speed_hz=8000000,
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.mode=0,
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.spics_io_num=-1,
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.spics_ext_io_num=PIN_NUM_CS,
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.flags=LB_SPI_DEVICE_HALFDUPLEX,
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};
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esp_err_t ret;
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ret=spi_lobo_bus_add_device(SPI_BUS, &buscfg, &devcfg, &spi);
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if (ret != ESP_OK)
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{
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return ret;
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}
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tft_disp_spi = spi;
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TFT_display_init();
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tft_max_rdclock = find_rd_speed();
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spi_lobo_set_speed(spi, DEFAULT_SPI_CLOCK);
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tft_font_rotate = 0;
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tft_text_wrap = 0;
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tft_font_transparent = 0;
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tft_font_forceFixed = 0;
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tft_gray_scale = 0;
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TFT_setGammaCurve(DEFAULT_GAMMA_CURVE);
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TFT_setRotation(LANDSCAPE_FLIP);
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TFT_setFont(DEFAULT_FONT, NULL);
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TFT_resetclipwin();
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tft_image_debug = 0;
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layout = create_layout();
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return ESP_OK;
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}
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