| /* |
| * Copyright (c) 2019 Jan Van Winkel <jan.van_winkel@dxplore.eu> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <lvgl.h> |
| #include "lvgl_display.h" |
| |
| void lvgl_flush_cb_mono(struct _disp_drv_t *disp_drv, |
| const lv_area_t *area, lv_color_t *color_p) |
| { |
| u16_t w = area->x2 - area->x1 + 1; |
| u16_t h = area->y2 - area->y1 + 1; |
| struct device *display_dev = (struct device *)disp_drv->user_data; |
| struct display_capabilities cap; |
| struct display_buffer_descriptor desc; |
| |
| display_get_capabilities(display_dev, &cap); |
| |
| desc.buf_size = (w * h)/8U; |
| desc.width = w; |
| desc.pitch = w; |
| desc.height = h; |
| display_write(display_dev, area->x1, area->y1, &desc, (void *) color_p); |
| if (cap.screen_info & SCREEN_INFO_DOUBLE_BUFFER) { |
| display_write(display_dev, area->x1, area->y1, &desc, |
| (void *) color_p); |
| } |
| |
| lv_disp_flush_ready(disp_drv); |
| } |
| |
| |
| void lvgl_set_px_cb_mono(struct _disp_drv_t *disp_drv, |
| u8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y, |
| lv_color_t color, lv_opa_t opa) |
| { |
| struct device *display_dev = (struct device *)disp_drv->user_data; |
| u8_t *buf_xy; |
| u8_t bit; |
| struct display_capabilities cap; |
| |
| display_get_capabilities(display_dev, &cap); |
| |
| if (cap.screen_info & SCREEN_INFO_MONO_VTILED) { |
| buf_xy = buf + x + y/8 * buf_w; |
| |
| if (cap.screen_info & SCREEN_INFO_MONO_MSB_FIRST) { |
| bit = 7 - y%8; |
| } else { |
| bit = y%8; |
| } |
| } else { |
| buf_xy = buf + x/8 + y * buf_w/8; |
| |
| if (cap.screen_info & SCREEN_INFO_MONO_MSB_FIRST) { |
| bit = 7 - x%8; |
| } else { |
| bit = x%8; |
| } |
| } |
| |
| if (cap.current_pixel_format == PIXEL_FORMAT_MONO10) { |
| if (color.full == 0) { |
| *buf_xy &= ~BIT(bit); |
| } else { |
| *buf_xy |= BIT(bit); |
| } |
| } else { |
| if (color.full == 0) { |
| *buf_xy |= BIT(bit); |
| } else { |
| *buf_xy &= ~BIT(bit); |
| } |
| } |
| } |
| |
| void lvgl_rounder_cb_mono(struct _disp_drv_t *disp_drv, |
| lv_area_t *area) |
| { |
| struct device *display_dev = (struct device *)disp_drv->user_data; |
| struct display_capabilities cap; |
| |
| display_get_capabilities(display_dev, &cap); |
| |
| if (cap.screen_info & SCREEN_INFO_MONO_VTILED) { |
| area->y1 &= ~0x7; |
| area->y2 |= 0x7; |
| } else { |
| area->x1 &= ~0x7; |
| area->x2 |= 0x7; |
| } |
| } |