38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
#include "st7302_lvgl_impl.h"
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#include "config.h"
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void _st7302_lv_impl_rounder(lv_disp_drv_t *disp_drv, lv_area_t *area) {
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st7302_t *lcd = disp_drv->user_data;
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area->x1 = (area->x1 / 2) * 2;
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area->x2 = (area->x2 / 2) * 2 + 1;
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area->y1 = (area->y1 / 12) * 12;
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area->y2 = (area->y2 / 12) * 12 + 11;
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}
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void _st7302_lv_impl_set_px(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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st7302_t *lcd = disp_drv->user_data;
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uint16_t byte_index = (buf_w / 2 * 3) * (y / 12) + (x / 2) * 3 + ((y % 12) / 4);
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uint8_t bit_index = (3 - (y % 4)) * 2 + (x % 2);
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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 _st7302_lv_impl_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p) {
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st7302_t *lcd = disp_drv->user_data;
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uint8_t column_start = 20 + CONFIG_DISPLAY_OFFSET_X + area->y1 / 12;
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uint8_t column_end = 20 + CONFIG_DISPLAY_OFFSET_X + area->y2 / 12;
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uint8_t row_start = CONFIG_DISPLAY_OFFSET_Y + area->x1 / 2;
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uint8_t row_end = CONFIG_DISPLAY_OFFSET_Y + area->x2 / 2;
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st7302_upload(lcd, column_start, column_end, row_start, row_end, (uint8_t *)color_p);
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lv_disp_flush_ready(disp_drv);
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} |