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Add old calepd version

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This commit is contained in:
Martin Fasani 2021-06-01 16:15:31 +02:00
parent 19b1ecde22
commit 18350e6fd7
2 changed files with 102 additions and 0 deletions
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66
lvgl_tft/calepd_epaper.cpp Normal file
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#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "epdiy_epaper.h"
// NOTE: This needs Epdiy component https://github.com/vroland/epdiy
// Run idf.py menuconfig-> Component Config -> E-Paper driver and select:
// Display type: LILIGO 4.7 ED047TC1
// Board: LILIGO T5-4.7 Epaper
// In the same section Component Config -> ESP32 Specifics -> Enable PSRAM
#include "parallel/ED047TC1.h"
Ed047TC1 display;
/*********************
* DEFINES
*********************/
#define TAG "EPDIY"
uint16_t flushcalls = 0;
/* Display initialization routine */
void epdiy_init(void)
{
printf("epdiy_init\n");
display.init();
display.setRotation(0);
display.clearScreen();
}
/* Required by LVGL */
void epdiy_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
{
++flushcalls;
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));
// Full update
if (lv_area_get_width(area)==display.width() && lv_area_get_height(area)==display.height()) {
display.update();
} else {
// Partial update: Looks nice but should find a way to clear that area first. Mode: MODE_EPDIY_WHITE_TO_GL16
display.updateWindow(area->x1,area->y1,lv_area_get_width(area),lv_area_get_height(area),MODE_GC16);
}
/* IMPORTANT!!!
* Inform the graphics library that you are ready with the flushing */
lv_disp_flush_ready(drv);
}
/* Called for each pixel */
void epdiy_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t* buf,
lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
lv_color_t color, lv_opa_t opa)
{
// Is printing Y axis only till 40 px: And flushing too many times
//printf("%d ", (int16_t)y); // Works and prints "Hello world"
//printf("%d ",(int16_t)color.full); // Debug colors
// Test using RGB232
int16_t epd_color = EPD_WHITE;
// Color setting use: RGB232
if ((int16_t)color.full<250) {
epd_color = (int16_t)color.full/3;
}
display.drawPixel((int16_t)x, (int16_t)y, epd_color);
}

36
lvgl_tft/calepd_epaper.h Normal file
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/**
* Display class for generic e-Paper driven by EPDiy class
*/
#ifndef CALEPD_H
#define CALEPD_H
#define EPDIY_COLUMNS (LV_HOR_RES_MAX / 8)
#ifdef __cplusplus
extern "C" {
#endif
#ifdef LV_LVGL_H_INCLUDE_SIMPLE
#include "lvgl.h"
#else
#include "lvgl/lvgl.h"
#endif
#include "sdkconfig.h"
/* Configure your display */
void epdiy_init(void);
/* LVGL callbacks */
void epdiy_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
/* Only for monochrome displays. But we use epdiy_set_px also for epapers */
//void epdiy_rounder(lv_disp_drv_t *disp_drv, lv_area_t *area);
void epdiy_set_px_cb(lv_disp_drv_t *disp_drv, uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y, lv_color_t color, lv_opa_t opa);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* EPDIY_H */