update lvgl

bsp/stm32/stm32f469-st-disco/board/ports/lvgl/SConscript

@@ -5,9 +5,8 @@ cwd = GetCurrentDir()
 group = []
 src = Glob('*.c')
 CPPPATH = [cwd]
-
 CPPDEFINES = ['STM32F4']
-objs = []
+
 list = os.listdir(cwd)
 for d in list:
     path = os.path.join(cwd, d)

bsp/stm32/stm32f469-st-disco/board/ports/lvgl/demo/SConscript

@@ -4,7 +4,7 @@ from building import *
 
 cwd = GetCurrentDir()
 src = Glob('*.c') + Glob('*.cpp')
-print("hello, world")
+
 path =  [cwd]
 path += [cwd + '/src']
 

bsp/stm32/stm32l475-atk-pandora/board/ports/lcd/drv_lcd.c

@@ -9,6 +9,7 @@
  * 2018-09-18    balanceTWK         add sleep mode function
  * 2018-09-27    ZYLX               optimized display speed
  * 2021-10-17    Meco Man           add lcd_fill_array()
+ * 2021-10-17    Meco Man           fix the bug of lcd_fill_array()
  */
 
 #include <rtdevice.h>
@@ -24,7 +25,7 @@
 #define LCD_PWR_PIN           GET_PIN(B, 7)
 #define LCD_DC_PIN            GET_PIN(B, 4)
 #define LCD_RES_PIN           GET_PIN(B, 6)
-#define LCD_CLEAR_SEND_NUMBER 5760
+#define LCD_CLEAR_SEND_NUMBER 5760 /* 240*240/10 */
 
 rt_uint16_t BACK_COLOR = WHITE, FORE_COLOR = BLACK;
 
@@ -117,6 +118,7 @@ static void lcd_gpio_init(void)
     rt_pin_write(LCD_PWR_PIN, PIN_LOW);
 
     rt_pin_write(LCD_RES_PIN, PIN_LOW);
+
     //wait at least 100ms for reset
     rt_thread_delay(RT_TICK_PER_SECOND / 10);
     rt_pin_write(LCD_RES_PIN, PIN_HIGH);
@@ -204,8 +206,6 @@ static int rt_hw_lcd_init(void)
     /* wait for power stability */
     rt_thread_mdelay(100);
 
-    lcd_clear(WHITE);
-
     /* display on */
     rt_pin_write(LCD_PWR_PIN, PIN_HIGH);
     lcd_write_cmd(0x29);
@@ -298,7 +298,6 @@ void lcd_clear(rt_uint16_t color)
     data[1] = color;
     lcd_address_set(0, 0, LCD_W - 1, LCD_H - 1);
 
-    /* 5760 = 240*240/20 */
     buf = rt_malloc(LCD_CLEAR_SEND_NUMBER);
     if (buf)
     {
@@ -442,37 +441,9 @@ void lcd_fill_array(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end,
     rt_uint32_t size = 0, size_remain = 0;
 
     size = (x_end - x_start + 1) * (y_end - y_start + 1) * 2;
-
-    if (size > LCD_CLEAR_SEND_NUMBER)
-    {
-        /* the number of remaining to be filled */
-        size_remain = size - LCD_CLEAR_SEND_NUMBER;
-        size = LCD_CLEAR_SEND_NUMBER;
-    }
-
     lcd_address_set(x_start, y_start, x_end, y_end);
-
-    /* fast fill */
-    while (1)
-    {
-        rt_pin_write(LCD_DC_PIN, PIN_HIGH);
-        rt_spi_send(spi_dev_lcd, pcolor, size);
-
-        /* Fill completed */
-        if (size_remain == 0)
-            break;
-
-        /* calculate the number of fill next time */
-        if (size_remain > LCD_CLEAR_SEND_NUMBER)
-        {
-            size_remain = size_remain - LCD_CLEAR_SEND_NUMBER;
-        }
-        else
-        {
-            size = size_remain;
-            size_remain = 0;
-        }
-    }
+    rt_pin_write(LCD_DC_PIN, PIN_HIGH);
+    rt_spi_send(spi_dev_lcd, pcolor, size);
 }
 
 /**

bsp/stm32/stm32l475-atk-pandora/board/ports/lvgl/lv_conf.h

@@ -12,6 +12,7 @@
 #define LV_CONF_H
 
 #define LV_COLOR_16_SWAP 1
+#define LV_COLOR_DEPTH 16
 #define LV_USE_PERF_MONITOR 1
 
 #endif

bsp/stm32/stm32l475-atk-pandora/board/ports/lvgl/lv_port_disp.c

@@ -11,17 +11,18 @@
 #include <drv_lcd.h>
 
 #define MY_DISP_HOR_RES LCD_W
-#define DISP_BUFFER_LINES 10
+#define DISP_BUFFER_LINES 70
 
 /*A static or global variable to store the buffers*/
 static lv_disp_draw_buf_t disp_buf;
 
+/*Descriptor of a display driver*/
+static lv_disp_drv_t disp_drv;
+
 /*Static or global buffer(s). The second buffer is optional*/
 static lv_color_t buf_1[MY_DISP_HOR_RES * DISP_BUFFER_LINES];
 static lv_color_t buf_2[MY_DISP_HOR_RES * DISP_BUFFER_LINES];
 
-static lv_disp_drv_t disp_drv;  /*Descriptor of a display driver*/
-
 /*Flush the content of the internal buffer the specific area on the display
  *You can use DMA or any hardware acceleration to do this operation in the background but
  *'lv_disp_flush_ready()' has to be called when finished.*/