Rendering correctly in full screen and small updates
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588b14f029
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@ -42,9 +42,9 @@ extern "C" {
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#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 40)
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#elif defined CONFIG_LV_TFT_DISPLAY_CONTROLLER_ST7796S
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#define DISP_BUF_SIZE (LV_HOR_RES_MAX * LV_VER_RES_MAX/3)
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// Here is the issue that it does not draw full epaper. Insufficient buffer:
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// IMPORTANT: This will render the screen in 10 times:
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#elif defined (CONFIG_LV_EPAPER_EPDIY_DISPLAY_CONTROLLER)
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#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 38)
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#define DISP_BUF_SIZE LV_HOR_RES_MAX*(LV_VER_RES_MAX/10)
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#elif defined (CONFIG_LV_EPAPER_CALEPD_DISPLAY_CONTROLLER)
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#define DISP_BUF_SIZE (LV_HOR_RES_MAX * 90)
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@ -12,8 +12,6 @@ uint8_t temperature = 25;
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bool init = true;
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// MODE_DU: Fast monochrome | MODE_GC16 slow with 16 grayscales
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enum EpdDrawMode updateMode = MODE_DU;
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// Ideally this BUF should be width/2*height = 259200. Now set to 111600
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#define BUF_MAX 110400
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/* Display initialization routine */
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void epdiy_init(void)
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@ -43,13 +41,6 @@ void buf_copy_to_framebuffer(EpdRect image_area, const uint8_t *image_data) {
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assert(framebuffer != NULL);
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for (uint32_t i = 0; i < image_area.width * image_area.height; i++) {
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// Get out if we get the end of the buffer. Question: How to detect the end without a lenght?
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// Zero terminator check gets out before: (image_data[value_index / 2]== '\0')
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// 111684 seems to be the last element in image_data
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/* if (i / 2 > BUF_MAX) {
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printf("FOUND END incr:%d Aw:%d Ah:%d\n", i, image_area.width, image_area.height);
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break;
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} */
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uint8_t val = (i % 2) ? (image_data[i / 2] & 0xF0) >> 4
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: image_data[i / 2] & 0x0F;
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int xx = image_area.x + i % image_area.width;
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@ -90,10 +81,11 @@ void epdiy_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_ma
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printf("%x ", buf[index]);
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} */
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// Does not work for full screen update yet (Should check large of buf)
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// UNCOMMENT only one of this options
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// SAFE Option with EPDiy copy of epd_copy_to_framebuffer
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buf_copy_to_framebuffer(update_area, buf);
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//Faster mode suggested in LVGL forum (Leaves ghosting)
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//Faster mode suggested in LVGL forum (Leaves ghosting&prints bad sections / experimental) NOTE: Do NOT use in production
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//buf_area_to_framebuffer(area, buf);
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epd_hl_update_area(&hl, updateMode, temperature, update_area); //update_area
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@ -110,15 +102,6 @@ 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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// Debug
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if (init) {
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printf("Initialize *buf with white\n\n");
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for (int i=0; i<BUF_MAX; i++) {
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buf[i] = 0xff;
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}
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init = false;
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}
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// Test using RGB232
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int16_t epd_color = 255;
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if ((int16_t)color.full<250) {
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@ -24,8 +24,7 @@ void epdiy_init(void);
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/* LVGL callbacks */
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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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/* Only for monochrome displays. But we use epdiy_set_px also for epapers */
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//void epdiy_rounder(lv_disp_drv_t *disp_drv, lv_area_t *area);
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/* Sets a pixel in *buf temporary buffer that comes afterwards in flush as *image_map */
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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);
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#ifdef __cplusplus
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