96 lines
2.9 KiB
C++
96 lines
2.9 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 "calepd_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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// SPI Generic epapers (Goodisplay/ Waveshare)
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// Select the right class for your SPI epaper: https://github.com/martinberlin/cale-idf/wiki
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//#include <gdew0583t7.h>
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#include <goodisplay/gdey027T91.h>
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EpdSpi io;
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Gdey027T91 display(io);
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/** test Display dimensions
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* Do not forget to set: menuconfig -> Components -> LVGL configuration
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* Max. Horizontal resolution 264 -> WIDTH of your epaper
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* Max. Vertical resolution 176 -> HEIGHT
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*/
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/*********************
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* DEFINES
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*********************/
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#define TAG "CalEPD"
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uint16_t flushcalls = 0;
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void delay(uint32_t period_ms) {
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vTaskDelay(pdMS_TO_TICKS(period_ms));
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}
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/* Display initialization routine */
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void calepd_init(void)
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{
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printf("calepd_init\n");
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display.init();
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display.setMonoMode(true);
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display.setRotation(3);
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// Partial update test
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/* display.fillRect(1,10, display.width(), 20, EPD_BLACK);
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display.updateWindow(1,10, display.width(), 20); */
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printf("calEPD done with SPI init\n");
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// Clear screen
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//display.update();
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}
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/* Required by LVGL */
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void calepd_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("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:
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//display.update(); // Uncomment to disable partial update
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display.updateWindow(area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area));
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//delay(10);
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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 calepd_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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// 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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// Only monochrome:All what is not white, turn black
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if (color.full<254) {
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//if (color.ch.red < 7 && color.ch.green < 7 && color.ch.blue < 7) {
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epd_color = EPD_BLACK;
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}
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display.drawPixel((int16_t)x, (int16_t)y, epd_color);
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//If not drawing anything: Debug to see if this function is called:
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//printf("set_px %d %d R:%d G:%d B:%d\n",(int16_t)x,(int16_t)y, color.ch.red, color.ch.green, color.ch.blue);
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}
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