46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#include "user_lvgl_disp.h"
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void _epd_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, lv_color_t color, lv_opa_t opa) {
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depg0213_epd_t *epd = disp_drv->user_data;
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uint16_t byte_index;
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uint8_t bit_index;
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byte_index = x + (y / 8) * buf_w;
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bit_index = 7 - (y & 7);
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if(color.full) {
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buf[byte_index] |= 1U << bit_index;
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}
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else {
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buf[byte_index] &= ~(1U << bit_index);
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}
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}
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void _epd_rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area) {
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depg0213_epd_t *epd = disp_drv->user_data;
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if(epd->direction == DEPG0213_HORIZONTAL || epd->direction == DEPG0213_HORIZONTAL_INVERSE) {
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area->y1 = (area->y1 / 8) * 8;
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area->y2 = (area->y2 / 8) * 8 + 7;
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}
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else { // Vertical mode
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area->x1 = (area->x1 / 8) * 8;
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area->x2 = (area->x2 / 8) * 8 + 7;
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}
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}
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void _epd_flush_cb(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p) {
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depg0213_epd_t *epd = disp_drv->user_data;
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if(depg0213_epd_load(epd, color_p, NULL, area->x1, area->x2, area->y1, area->y2) != DEPG0213_OK) {
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return;
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}
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if(lv_disp_flush_is_last(disp_drv)) {
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if(depg0213_epd_update(epd) != DEPG0213_OK) return;
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}
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lv_disp_flush_ready(disp_drv);
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} |