tft lvgl test ok

User_Code/module/software/prts/port/prts_lvgl_port.c

@@ -0,0 +1,109 @@
+#include "prts_lvgl_port.h"
+
+#include "lvgl.h"
+#include "lv_draw_sw_utils.h"
+#include "main.h"
+#include "tft.h"
+#include <stddef.h>
+#include <stdint.h>
+
+#define PRTS_LVGL_BUF_LINES  40U
+#define PRTS_DMA_BUFFER_ATTR __attribute__((section(".dma_buffer"), aligned(32)))
+
+static lv_display_t *prts_display = NULL;
+static uint8_t prts_lvgl_buf[TFT_LCD_W * PRTS_LVGL_BUF_LINES * 2U] PRTS_DMA_BUFFER_ATTR;
+
+static uint32_t prts_lvgl_tick_get(void)
+{
+    return HAL_GetTick();
+}
+
+static void prts_lvgl_flush(lv_display_t *disp, const lv_area_t *area, uint8_t *px_map)
+{
+    int32_t area_width;
+    int32_t area_height;
+    int32_t x1;
+    int32_t y1;
+    int32_t x2;
+    int32_t y2;
+    uint32_t pixel_count;
+
+    if (area->x2 < 0 || area->y2 < 0 || area->x1 >= (int32_t) TFT_LCD_W || area->y1 >= (int32_t) TFT_LCD_H)
+    {
+        lv_display_flush_ready(disp);
+        return;
+    }
+
+    area_width = lv_area_get_width(area);
+    area_height = lv_area_get_height(area);
+    if (area_width <= 0 || area_height <= 0)
+    {
+        lv_display_flush_ready(disp);
+        return;
+    }
+
+    pixel_count = (uint32_t) area_width * (uint32_t) area_height;
+    lv_draw_sw_rgb565_swap(px_map, pixel_count);
+
+    x1 = LV_MAX(area->x1, 0);
+    y1 = LV_MAX(area->y1, 0);
+    x2 = LV_MIN(area->x2, (int32_t) TFT_LCD_W - 1);
+    y2 = LV_MIN(area->y2, (int32_t) TFT_LCD_H - 1);
+
+    if (x1 == area->x1 && y1 == area->y1 && x2 == area->x2 && y2 == area->y2)
+    {
+        LCD_Address_Set((uint16_t) x1, (uint16_t) y1, (uint16_t) x2, (uint16_t) y2);
+        TFT_WriteColorData(px_map, pixel_count * 2U);
+    }
+    else
+    {
+        uint32_t visible_width = (uint32_t) (x2 - x1 + 1);
+        uint32_t row_stride = (uint32_t) area_width * 2U;
+        uint32_t row_bytes = visible_width * 2U;
+        uint8_t *row = px_map + (((uint32_t) (y1 - area->y1) * (uint32_t) area_width +
+                                  (uint32_t) (x1 - area->x1)) * 2U);
+
+        while (y1 <= y2)
+        {
+            LCD_Address_Set((uint16_t) x1, (uint16_t) y1, (uint16_t) x2, (uint16_t) y1);
+            TFT_WriteColorData(row, row_bytes);
+            row += row_stride;
+            y1++;
+        }
+    }
+
+    lv_display_flush_ready(disp);
+}
+
+bool PRTS_LVGLPortInit(void)
+{
+    if (prts_display != NULL)
+    {
+        return true;
+    }
+
+    TFT_Init();
+    if (!TFT_IsReady())
+    {
+        return false;
+    }
+
+    lv_tick_set_cb(prts_lvgl_tick_get);
+
+    prts_display = lv_display_create((int32_t) TFT_LCD_W, (int32_t) TFT_LCD_H);
+    if (prts_display == NULL)
+    {
+        return false;
+    }
+
+    lv_display_set_flush_cb(prts_display, prts_lvgl_flush);
+    lv_display_set_color_format(prts_display, LV_COLOR_FORMAT_RGB565);
+    lv_display_set_buffers(prts_display,
+                           prts_lvgl_buf,
+                           NULL,
+                           sizeof(prts_lvgl_buf),
+                           LV_DISPLAY_RENDER_MODE_PARTIAL);
+    lv_display_set_default(prts_display);
+
+    return true;
+}

User_Code/module/software/prts/port/prts_lvgl_port.h

@@ -0,0 +1,16 @@
+#ifndef PRTS_LVGL_PORT_H
+#define PRTS_LVGL_PORT_H
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool PRTS_LVGLPortInit(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif