67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "epdiy_epaper.h"
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// NOTE: This needs Epdiy component https://github.com/vroland/epdiy
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// Run idf.py menuconfig-> Component Config -> E-Paper driver and select:
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// Display type: LILIGO 4.7 ED047TC1
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// Board: LILIGO T5-4.7 Epaper
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// In the same section Component Config -> ESP32 Specifics -> Enable PSRAM
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#include "parallel/ED047TC1.h"
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Ed047TC1 display;
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/*********************
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* DEFINES
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*********************/
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#define TAG "EPDIY"
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uint16_t flushcalls = 0;
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/* Display initialization routine */
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void epdiy_init(void)
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{
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printf("epdiy_init\n");
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display.init();
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display.setRotation(0);
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display.clearScreen();
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}
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/* Required by LVGL */
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void epdiy_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
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{
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++flushcalls;
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printf("epdiy_flush %d x:%d y:%d w:%d h:%d\n", flushcalls,area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area));
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// Full update
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if (lv_area_get_width(area)==display.width() && lv_area_get_height(area)==display.height()) {
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display.update();
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} else {
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// Partial update: Looks nice but should find a way to clear that area first. Mode: MODE_EPDIY_WHITE_TO_GL16
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display.updateWindow(area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area),MODE_GC16);
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}
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/* IMPORTANT!!!
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* Inform the graphics library that you are ready with the flushing */
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lv_disp_flush_ready(drv);
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}
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/* Called for each pixel */
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void epdiy_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t* buf,
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lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
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lv_color_t color, lv_opa_t opa)
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{
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// Is printing Y axis only till 40 px: And flushing too many times
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//printf("%d ", (int16_t)y); // Works and prints "Hello world"
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//printf("%d ",(int16_t)color.full); // Debug colors
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// Test using RGB232
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int16_t epd_color = EPD_WHITE;
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// Color setting use: RGB232
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if ((int16_t)color.full<250) {
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epd_color = (int16_t)color.full/3;
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}
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display.drawPixel((int16_t)x, (int16_t)y, epd_color);
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}
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