147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-11-24 Rbb666 The first version
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*/
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#include <lvgl.h>
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#include "hal_data.h"
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#if DLG_LVGL_USE_GPU_RA6M3
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#include "drv_g2d.h"
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#endif
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#ifdef PKG_USING_ILI9341
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#include "lcd_ili9341.h"
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#else
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#include "lcd_port.h"
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#endif
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#define COLOR_BUFFER (LV_HOR_RES_MAX * LV_VER_RES_MAX / 4)
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/*A static or global variable to store the buffers*/
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static lv_disp_draw_buf_t disp_buf;
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/*Descriptor of a display driver*/
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static lv_disp_drv_t disp_drv;
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static struct rt_device_graphic_info info;
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/*Static or global buffer(s). The second buffer is optional*/
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// 0x1FFE0000 0x20040000
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lv_color_t buf_1[COLOR_BUFFER];
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#if !DLG_LVGL_USE_GPU_RA6M3
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static void color_to16_maybe(lv_color16_t *dst, lv_color_t *src)
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{
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#if (LV_COLOR_DEPTH == 16)
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dst->full = src->full;
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#else
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dst->ch.blue = src->ch.blue;
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dst->ch.green = src->ch.green;
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dst->ch.red = src->ch.red;
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#endif
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}
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#endif
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void _ra_port_display_callback(display_callback_args_t *p_args)
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{
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/* TFT-Callback */
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}
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static void disp_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
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{
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#ifdef PKG_USING_ILI9341
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lcd_fill_array_spi(area->x1, area->y1, area->x2, area->y2, color_p);
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#elif DLG_LVGL_USE_GPU_RA6M3
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lv_port_gpu_blit(area->x1, area->y1, color_p, area);
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#else
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int x1, x2, y1, y2;
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x1 = area->x1;
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x2 = area->x2;
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y1 = area->y1;
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y2 = area->y2;
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/*Return if the area is out the screen*/
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if (x2 < 0)
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return;
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if (y2 < 0)
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return;
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if (x1 > info.width - 1)
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return;
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if (y1 > info.height - 1)
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return;
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/*Truncate the area to the screen*/
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int32_t act_x1 = x1 < 0 ? 0 : x1;
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int32_t act_y1 = y1 < 0 ? 0 : y1;
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int32_t act_x2 = x2 > info.width - 1 ? info.width - 1 : x2;
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int32_t act_y2 = y2 > info.height - 1 ? info.height - 1 : y2;
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uint32_t x;
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uint32_t y;
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long int location = 0;
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/* color_p is a buffer pointer; the buffer is provided by LVGL */
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lv_color16_t *fbp16 = (lv_color16_t *)info.framebuffer;
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for (y = act_y1; y <= act_y2; y++)
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{
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for (x = act_x1; x <= act_x2; x++)
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{
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location = (x) + (y) * info.width;
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color_to16_maybe(&fbp16[location], color_p);
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color_p++;
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}
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color_p += x2 - act_x2;
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}
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#endif
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lv_disp_flush_ready(disp_drv);
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}
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void lv_port_disp_init(void)
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{
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#ifdef PKG_USING_ILI9341
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spi_lcd_init(20);
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#else
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static rt_device_t device;
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/* LCD Device Init */
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device = rt_device_find("lcd");
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RT_ASSERT(device != RT_NULL);
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if (rt_device_open(device, RT_DEVICE_OFLAG_RDWR) == RT_EOK)
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{
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rt_device_control(device, RTGRAPHIC_CTRL_GET_INFO, &info);
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}
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RT_ASSERT(info.bits_per_pixel == 8 || info.bits_per_pixel == 16 ||
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info.bits_per_pixel == 24 || info.bits_per_pixel == 32);
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#endif
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/*Initialize `disp_buf` with the buffer(s). With only one buffer use NULL instead buf_2 */
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lv_disp_draw_buf_init(&disp_buf, buf_1, NULL, COLOR_BUFFER);
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lv_disp_drv_init(&disp_drv); /*Basic initialization*/
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/*Set the resolution of the display*/
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disp_drv.hor_res = LV_HOR_RES_MAX;
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disp_drv.ver_res = LV_VER_RES_MAX;
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/*Set a display buffer*/
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disp_drv.draw_buf = &disp_buf;
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/*Used to copy the buffer's content to the display*/
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disp_drv.flush_cb = disp_flush;
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#if DLG_LVGL_USE_GPU_RA6M3
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/* Initialize GPU module */
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G2d_Drv_HWInit();
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#endif /* LV_PORT_DISP_GPU_EN */
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/*Finally register the driver*/
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lv_disp_drv_register(&disp_drv);
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}
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