Merge pull request #5285 from mysterywolf/lvgl

[stm32][l475][f469] update lvgl

bsp/stm32/stm32f469-st-disco/.config

-# Generated by Kconfiglib (https://github.com/ulfalizer/Kconfiglib)
+#
+# Automatically generated file; DO NOT EDIT.
+# RT-Thread Configuration
+#
 
 #
 # RT-Thread Kernel
 #
 CONFIG_RT_NAME_MAX=8
+# CONFIG_RT_USING_BIG_ENDIAN is not set
 # CONFIG_RT_USING_ARCH_DATA_TYPE is not set
 # CONFIG_RT_USING_SMP is not set
 CONFIG_RT_ALIGN_SIZE=4
@@ -26,8 +30,8 @@ CONFIG_RT_TIMER_THREAD_STACK_SIZE=512
 #
 # CONFIG_RT_KSERVICE_USING_STDLIB is not set
 # CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
-# end of kservice optimization
-
+# CONFIG_RT_USING_ASM_MEMCPY is not set
+# CONFIG_RT_USING_TINY_FFS is not set
 CONFIG_RT_DEBUG=y
 CONFIG_RT_DEBUG_COLOR=y
 # CONFIG_RT_DEBUG_INIT_CONFIG is not set
@@ -50,7 +54,6 @@ CONFIG_RT_USING_EVENT=y
 CONFIG_RT_USING_MAILBOX=y
 CONFIG_RT_USING_MESSAGEQUEUE=y
 # CONFIG_RT_USING_SIGNALS is not set
-# end of Inter-Thread communication
 
 #
 # Memory Management
@@ -65,7 +68,6 @@ CONFIG_RT_USING_MEMHEAP_AS_HEAP=y
 # CONFIG_RT_USING_USERHEAP is not set
 # CONFIG_RT_USING_MEMTRACE is not set
 CONFIG_RT_USING_HEAP=y
-# end of Memory Management
 
 #
 # Kernel Device Object
@@ -77,15 +79,12 @@ CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart3"
 # CONFIG_RT_PRINTF_LONGLONG is not set
-# end of Kernel Device Object
-
 CONFIG_RT_VER_NUM=0x40004
-# end of RT-Thread Kernel
-
 CONFIG_ARCH_ARM=y
 CONFIG_RT_USING_CPU_FFS=y
 CONFIG_ARCH_ARM_CORTEX_M=y
 CONFIG_ARCH_ARM_CORTEX_M4=y
+# CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
 
 #
 # RT-Thread Components
@@ -99,7 +98,6 @@ CONFIG_RT_MAIN_THREAD_PRIORITY=10
 # C++ features
 #
 # CONFIG_RT_USING_CPLUSPLUS is not set
-# end of C++ features
 
 #
 # Command shell
@@ -119,7 +117,6 @@ CONFIG_FINSH_USING_DESCRIPTION=y
 # CONFIG_FINSH_ECHO_DISABLE_DEFAULT is not set
 # CONFIG_FINSH_USING_AUTH is not set
 CONFIG_FINSH_ARG_MAX=10
-# end of Command shell
 
 #
 # Device virtual file system
@@ -153,12 +150,9 @@ CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
 # CONFIG_RT_DFS_ELM_USE_ERASE is not set
 CONFIG_RT_DFS_ELM_REENTRANT=y
 CONFIG_RT_DFS_ELM_MUTEX_TIMEOUT=3000
-# end of elm-chan's FatFs, Generic FAT Filesystem Module
-
 CONFIG_RT_USING_DFS_DEVFS=y
 # CONFIG_RT_USING_DFS_ROMFS is not set
 # CONFIG_RT_USING_DFS_RAMFS is not set
-# end of Device virtual file system
 
 #
 # Device Drivers
@@ -204,25 +198,18 @@ CONFIG_RT_MMCSD_MAX_PARTITION=16
 #
 # Using USB
 #
+# CONFIG_RT_USING_USB is not set
 # CONFIG_RT_USING_USB_HOST is not set
 # CONFIG_RT_USING_USB_DEVICE is not set
-# end of Using USB
-# end of Device Drivers
 
 #
 # POSIX layer and C standard library
 #
-CONFIG_RT_USING_LIBC=y
-# CONFIG_RT_USING_PTHREADS is not set
-CONFIG_RT_USING_POSIX=y
-# CONFIG_RT_USING_POSIX_MMAP is not set
-# CONFIG_RT_USING_POSIX_TERMIOS is not set
-# CONFIG_RT_USING_POSIX_GETLINE is not set
-# CONFIG_RT_USING_POSIX_AIO is not set
+# CONFIG_RT_USING_LIBC is not set
 CONFIG_RT_LIBC_USING_TIME=y
-# CONFIG_RT_USING_MODULE is not set
 CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
-# end of POSIX layer and C standard library
+# CONFIG_RT_USING_POSIX is not set
+# CONFIG_RT_USING_PTHREADS is not set
 
 #
 # Network
@@ -232,32 +219,26 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # Socket abstraction layer
 #
 # CONFIG_RT_USING_SAL is not set
-# end of Socket abstraction layer
 
 #
 # Network interface device
 #
 # CONFIG_RT_USING_NETDEV is not set
-# end of Network interface device
 
 #
 # light weight TCP/IP stack
 #
 # CONFIG_RT_USING_LWIP is not set
-# end of light weight TCP/IP stack
 
 #
 # AT commands
 #
 # CONFIG_RT_USING_AT is not set
-# end of AT commands
-# end of Network
 
 #
 # VBUS(Virtual Software BUS)
 #
 # CONFIG_RT_USING_VBUS is not set
-# end of VBUS(Virtual Software BUS)
 
 #
 # Utilities
@@ -267,16 +248,12 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_RT_USING_UTEST is not set
 # CONFIG_RT_USING_VAR_EXPORT is not set
 # CONFIG_RT_USING_RT_LINK is not set
-# end of Utilities
-
 # CONFIG_RT_USING_LWP is not set
-# end of RT-Thread Components
 
 #
 # RT-Thread Utestcases
 #
 # CONFIG_RT_USING_UTESTCASES is not set
-# end of RT-Thread Utestcases
 
 #
 # RT-Thread online packages
@@ -311,17 +288,12 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # Marvell WiFi
 #
 # CONFIG_PKG_USING_WLANMARVELL is not set
-# end of Marvell WiFi
 
 #
 # Wiced WiFi
 #
 # CONFIG_PKG_USING_WLAN_WICED is not set
-# end of Wiced WiFi
-
 # CONFIG_PKG_USING_RW007 is not set
-# end of Wi-Fi
-
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
@@ -343,8 +315,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_JIOT-C-SDK is not set
 # CONFIG_PKG_USING_UCLOUD_IOT_SDK is not set
 # CONFIG_PKG_USING_JOYLINK is not set
-# end of IoT Cloud
-
 # CONFIG_PKG_USING_NIMBLE is not set
 # CONFIG_PKG_USING_OTA_DOWNLOADER is not set
 # CONFIG_PKG_USING_IPMSG is not set
@@ -378,7 +348,7 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_LORA_GW_DRIVER_LIB is not set
 # CONFIG_PKG_USING_LORA_PKT_SNIFFER is not set
 # CONFIG_PKG_USING_HM is not set
-# end of IoT - internet of things
+# CONFIG_PKG_USING_SMALL_MODBUS is not set
 
 #
 # security packages
@@ -388,7 +358,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_TINYCRYPT is not set
 # CONFIG_PKG_USING_TFM is not set
 # CONFIG_PKG_USING_YD_CRYPTO is not set
-# end of security packages
 
 #
 # language packages
@@ -397,22 +366,19 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_JERRYSCRIPT is not set
 # CONFIG_PKG_USING_MICROPYTHON is not set
 # CONFIG_PKG_USING_PIKASCRIPT is not set
-# end of language packages
 
 #
 # multimedia packages
 #
-# CONFIG_PKG_USING_OPENMV is not set
-# CONFIG_PKG_USING_MUPDF is not set
-# CONFIG_PKG_USING_STEMWIN is not set
 
 #
-# lvgl: powerful and easy-to-use embedded GUI library
+# LVGL: powerful and easy-to-use embedded GUI library
 #
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_LVGL is not set
-# end of lvgl: powerful and easy-to-use embedded GUI library
-
+# CONFIG_PKG_USING_OPENMV is not set
+# CONFIG_PKG_USING_MUPDF is not set
+# CONFIG_PKG_USING_STEMWIN is not set
 # CONFIG_PKG_USING_WAVPLAYER is not set
 # CONFIG_PKG_USING_TJPGD is not set
 # CONFIG_PKG_USING_PDFGEN is not set
@@ -429,8 +395,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 #
 # CONFIG_PKG_USING_U8G2_OFFICIAL is not set
 # CONFIG_PKG_USING_U8G2 is not set
-# end of u8g2: a monochrome graphic library
-# end of multimedia packages
 
 #
 # tools packages
@@ -473,7 +437,7 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_MEM_SANDBOX is not set
 # CONFIG_PKG_USING_SOLAR_TERMS is not set
 # CONFIG_PKG_USING_GAN_ZHI is not set
-# end of tools packages
+# CONFIG_PKG_USING_FDT is not set
 
 #
 # system packages
@@ -486,7 +450,13 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
 # CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
 # CONFIG_PKG_USING_QFPLIB_M3 is not set
-# end of acceleration: Assembly language or algorithmic acceleration packages
+
+#
+# CMSIS: ARM Cortex-M Microcontroller Software Interface Standard
+#
+# CONFIG_PKG_USING_CMSIS_5 is not set
+# CONFIG_PKG_USING_CMSIS_5_AUX is not set
+# CONFIG_PKG_USING_CMSIS_RTOS2 is not set
 
 #
 # Micrium: Micrium software products porting for RT-Thread
@@ -497,8 +467,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_UC_CLK is not set
 # CONFIG_PKG_USING_UC_COMMON is not set
 # CONFIG_PKG_USING_UC_MODBUS is not set
-# end of Micrium: Micrium software products porting for RT-Thread
-
 # CONFIG_PKG_USING_GUIENGINE is not set
 # CONFIG_PKG_USING_PERSIMMON is not set
 # CONFIG_PKG_USING_CAIRO is not set
@@ -508,7 +476,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_FLASHDB is not set
 # CONFIG_PKG_USING_SQLITE is not set
 # CONFIG_PKG_USING_RTI is not set
-# CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
 # CONFIG_PKG_USING_LITTLEFS is not set
 # CONFIG_PKG_USING_DFS_JFFS2 is not set
@@ -533,7 +500,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_WCWIDTH is not set
 # CONFIG_PKG_USING_MCUBOOT is not set
 # CONFIG_PKG_USING_TINYUSB is not set
-# end of system packages
 
 #
 # peripheral libraries and drivers
@@ -609,7 +575,7 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_MISAKA_RGB_BLING is not set
 # CONFIG_PKG_USING_BL_MCU_SDK is not set
 # CONFIG_PKG_USING_SOFT_SERIAL is not set
-# end of peripheral libraries and drivers
+# CONFIG_PKG_USING_MB85RS16 is not set
 
 #
 # AI packages
@@ -623,7 +589,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_ULAPACK is not set
 # CONFIG_PKG_USING_QUEST is not set
 # CONFIG_PKG_USING_NAXOS is not set
-# end of AI packages
 
 #
 # miscellaneous packages
@@ -636,7 +601,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
-# end of samples: kernel and components samples
 
 #
 # entertainment: terminal games and other interesting software packages
@@ -650,8 +614,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_SNAKE is not set
 # CONFIG_PKG_USING_TETRIS is not set
 # CONFIG_PKG_USING_DONUT is not set
-# end of entertainment: terminal games and other interesting software packages
-
 # CONFIG_PKG_USING_LIBCSV is not set
 # CONFIG_PKG_USING_OPTPARSE is not set
 # CONFIG_PKG_USING_FASTLZ is not set
@@ -681,9 +643,6 @@ CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 # CONFIG_PKG_USING_MCURSES is not set
 # CONFIG_PKG_USING_COWSAY is not set
 # CONFIG_PKG_USING_TERMBOX is not set
-# end of miscellaneous packages
-# end of RT-Thread online packages
-
 CONFIG_SOC_FAMILY_STM32=y
 CONFIG_SOC_SERIES_STM32F4=y
 
@@ -696,11 +655,12 @@ CONFIG_SOC_STM32F469NI=y
 # Onboard Peripheral Drivers
 #
 # CONFIG_BSP_USING_SDRAM is not set
+# CONFIG_BSP_USING_LCD_MIPI is not set
 # CONFIG_BSP_USING_LCD_OTM8009A is not set
+# CONFIG_BSP_USING_LVGL is not set
 # CONFIG_BSP_USING_QSPI_FLASH is not set
 # CONFIG_BSP_USING_SDCARD is not set
 # CONFIG_BSP_USING_TOUCH is not set
-# end of Onboard Peripheral Drivers
 
 #
 # On-chip Peripheral Drivers
@@ -719,9 +679,7 @@ CONFIG_BSP_USING_UART3=y
 # CONFIG_BSP_USING_LTDC is not set
 # CONFIG_BSP_USING_RNG is not set
 # CONFIG_BSP_USING_UDID is not set
-# end of On-chip Peripheral Drivers
 
 #
 # Board extended module Drivers
 #
-# end of Hardware Drivers Config

bsp/stm32/stm32f469-st-disco/board/Kconfig

@@ -9,13 +9,6 @@ config SOC_STM32F469NI
 
 menu "Onboard Peripheral Drivers"
 
-    config BSP_USING_LVGL
-        bool "Enable LVGL"
-        select BSP_USING_LCD_OTM8009A
-        select BSP_USING_TOUCH
-        select PKG_USING_LVGL
-        default n
-
     config BSP_USING_SDRAM
         bool "Enable SDRAM"
         select BSP_USING_FMC
@@ -32,6 +25,13 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_LCD_MIPI
         default n
 
+    config BSP_USING_LVGL
+        bool "Enable LVGL for LCD"
+        select BSP_USING_LCD_OTM8009A
+        select BSP_USING_TOUCH
+        select PKG_USING_LVGL
+        default n
+
     config BSP_USING_QSPI_FLASH
         bool "Enable QSPI FLASH (N25Q128A qspi1)"
         select BSP_USING_QSPI

bsp/stm32/stm32f469-st-disco/board/ports/lvgl/.ignore_format.yml

-# files format check exclude path, please follow the instructions below to modify;
-# If you need to exclude an entire folder, add the folder path in dir_path;
-# If you need to exclude a file, add the path to the file in file_path.
-
-dir_path:
-- demo

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

@@ -2,18 +2,17 @@ from building import *
 import os
 
 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)
     if os.path.isfile(os.path.join(path, 'SConscript')):
-        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+        group = group + SConscript(os.path.join(d, 'SConscript'))
 
-group = DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+group += DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
 
-Return('objs')
+Return('group')

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/stm32f469-st-disco/board/ports/lvgl/demo/src/lv_demo.h

@@ -19,7 +19,7 @@ extern "C" {
 /*********************
  *      DEFINES
  *********************/
- 
+
 /**********************
  *      TYPEDEFS
  **********************/

bsp/stm32/stm32f469-st-disco/board/ports/lvgl/lv_demo.c

@@ -9,11 +9,10 @@
  */
 #include <rtthread.h>
 #include <lvgl.h>
+#include <lv_port_indev.h>
 #define DBG_TAG    "LVGL"
 #define DBG_LVL    DBG_INFO
 #include <rtdbg.h>
-#include <lcd_port.h>
-#include <lv_port_indev.h>
 
 #ifndef LV_THREAD_STACK_SIZE
 #define LV_THREAD_STACK_SIZE 4096

bsp/stm32/stm32f469-st-disco/project.uvprojx

@@ -333,9 +333,9 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls />
-              <Define>USE_HAL_DRIVER, STM32F469xx, RT_USING_ARM_LIBC, __RTTHREAD__, __CLK_TCK=RT_TICK_PER_SECOND</Define>
+              <Define>USE_HAL_DRIVER, STM32F469xx, __RTTHREAD__, __CLK_TCK=RT_TICK_PER_SECOND</Define>
               <Undefine />
-              <IncludePath>applications;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\components\dfs\include;..\..\..\components\dfs\filesystems\devfs;..\..\..\components\dfs\filesystems\elmfat;..\..\..\components\finsh;.;..\..\..\include;..\..\..\components\libc\compilers\armlibc;..\..\..\components\libc\compilers\common;..\..\..\components\libc\compilers\common\nogcc;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include;..\..\..\examples\utest\testcases\kernel</IncludePath>
+              <IncludePath>applications;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\components\dfs\include;..\..\..\components\dfs\filesystems\devfs;..\..\..\components\dfs\filesystems\elmfat;..\..\..\components\finsh;.;..\..\..\include;..\..\..\components\libc\compilers\common;..\..\..\components\libc\compilers\common\nogcc;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include;..\..\..\examples\utest\testcases\kernel</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -418,16 +418,16 @@
           </Files>
           <Files>
             <File>
-              <FileName>cpuport.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\libcpu\arm\cortex-m4\cpuport.c</FilePath>
+              <FileName>context_rvds.S</FileName>
+              <FileType>2</FileType>
+              <FilePath>..\..\..\libcpu\arm\cortex-m4\context_rvds.S</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>context_rvds.S</FileName>
-              <FileType>2</FileType>
-              <FilePath>..\..\..\libcpu\arm\cortex-m4\context_rvds.S</FilePath>
+              <FileName>cpuport.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\libcpu\arm\cortex-m4\cpuport.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -491,51 +491,51 @@
           </Files>
           <Files>
             <File>
-              <FileName>ringblk_buf.c</FileName>
+              <FileName>pipe.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\ringblk_buf.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\pipe.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>dataqueue.c</FileName>
+              <FileName>workqueue.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\dataqueue.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\workqueue.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>waitqueue.c</FileName>
+              <FileName>completion.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\waitqueue.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\completion.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>pipe.c</FileName>
+              <FileName>ringbuffer.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\pipe.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\ringbuffer.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>ringbuffer.c</FileName>
+              <FileName>dataqueue.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\ringbuffer.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\dataqueue.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>workqueue.c</FileName>
+              <FileName>ringblk_buf.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\workqueue.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\ringblk_buf.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>completion.c</FileName>
+              <FileName>waitqueue.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\completion.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\waitqueue.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -588,23 +588,9 @@
           <GroupName>Filesystem</GroupName>
           <Files>
             <File>
-              <FileName>dfs_posix.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_posix.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs_poll.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_poll.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs_file.c</FileName>
+              <FileName>dfs_fs.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_file.c</FilePath>
+              <FilePath>..\..\..\components\dfs\src\dfs_fs.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -616,16 +602,9 @@
           </Files>
           <Files>
             <File>
-              <FileName>dfs_fs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_fs.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs_select.c</FileName>
+              <FileName>dfs_file.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_select.c</FilePath>
+              <FilePath>..\..\..\components\dfs\src\dfs_file.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -637,23 +616,23 @@
           </Files>
           <Files>
             <File>
-              <FileName>ffunicode.c</FileName>
+              <FileName>ff.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ffunicode.c</FilePath>
+              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ff.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>ff.c</FileName>
+              <FileName>dfs_elm.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ff.c</FilePath>
+              <FilePath>..\..\..\components\dfs\filesystems\elmfat\dfs_elm.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>dfs_elm.c</FileName>
+              <FileName>ffunicode.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\dfs_elm.c</FilePath>
+              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ffunicode.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -673,13 +652,6 @@
               <FilePath>..\..\..\components\finsh\msh.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>msh_file.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\finsh\msh_file.c</FilePath>
-            </File>
-          </Files>
           <Files>
             <File>
               <FileName>cmd.c</FileName>
@@ -692,16 +664,23 @@
           <GroupName>Kernel</GroupName>
           <Files>
             <File>
-              <FileName>kservice.c</FileName>
+              <FileName>timer.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\kservice.c</FilePath>
+              <FilePath>..\..\..\src\timer.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>idle.c</FileName>
+              <FileName>mempool.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\idle.c</FilePath>
+              <FilePath>..\..\..\src\mempool.c</FilePath>
+            </File>
+          </Files>
+          <Files>
+            <File>
+              <FileName>components.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\src\components.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -734,23 +713,9 @@
           </Files>
           <Files>
             <File>
-              <FileName>object.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\src\object.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>ipc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\src\ipc.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>components.c</FileName>
+              <FileName>idle.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\components.c</FilePath>
+              <FilePath>..\..\..\src\idle.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -760,13 +725,6 @@
               <FilePath>..\..\..\src\device.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>mempool.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\src\mempool.c</FilePath>
-            </File>
-          </Files>
           <Files>
             <File>
               <FileName>clock.c</FileName>
@@ -776,63 +734,28 @@
           </Files>
           <Files>
             <File>
-              <FileName>timer.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\src\timer.c</FilePath>
-            </File>
-          </Files>
-        </Group>
-        <Group>
-          <GroupName>libc</GroupName>
-          <Files>
-            <File>
-              <FileName>stdio.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\armlibc\stdio.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>mem_std.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\armlibc\mem_std.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>syscalls.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\armlibc\syscalls.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>libc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\armlibc\libc.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>delay.c</FileName>
+              <FileName>object.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\common\delay.c</FilePath>
+              <FilePath>..\..\..\src\object.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>unistd.c</FileName>
+              <FileName>kservice.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\common\unistd.c</FilePath>
+              <FilePath>..\..\..\src\kservice.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>stdlib.c</FileName>
+              <FileName>ipc.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\libc\compilers\common\stdlib.c</FilePath>
+              <FilePath>..\..\..\src\ipc.c</FilePath>
             </File>
           </Files>
+        </Group>
+        <Group>
+          <GroupName>libc</GroupName>
           <Files>
             <File>
               <FileName>time.c</FileName>

bsp/stm32/stm32f469-st-disco/rtconfig.h

 #ifndef RT_CONFIG_H__
 #define RT_CONFIG_H__
 
-/* Generated by Kconfiglib (https://github.com/ulfalizer/Kconfiglib) */
+/* Automatically generated file; DO NOT EDIT. */
+/* RT-Thread Configuration */
 
 /* RT-Thread Kernel */
 
@@ -21,7 +22,6 @@
 
 /* kservice optimization */
 
-/* end of kservice optimization */
 #define RT_DEBUG
 #define RT_DEBUG_COLOR
 
@@ -32,7 +32,6 @@
 #define RT_USING_EVENT
 #define RT_USING_MAILBOX
 #define RT_USING_MESSAGEQUEUE
-/* end of Inter-Thread communication */
 
 /* Memory Management */
 
@@ -41,7 +40,6 @@
 #define RT_USING_MEMHEAP_AUTO_BINDING
 #define RT_USING_MEMHEAP_AS_HEAP
 #define RT_USING_HEAP
-/* end of Memory Management */
 
 /* Kernel Device Object */
 
@@ -49,9 +47,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart3"
-/* end of Kernel Device Object */
 #define RT_VER_NUM 0x40004
-/* end of RT-Thread Kernel */
 #define ARCH_ARM
 #define RT_USING_CPU_FFS
 #define ARCH_ARM_CORTEX_M
@@ -66,7 +62,6 @@
 
 /* C++ features */
 
-/* end of C++ features */
 
 /* Command shell */
 
@@ -83,7 +78,6 @@
 #define MSH_USING_BUILT_IN_COMMANDS
 #define FINSH_USING_DESCRIPTION
 #define FINSH_ARG_MAX 10
-/* end of Command shell */
 
 /* Device virtual file system */
 
@@ -107,9 +101,7 @@
 #define RT_DFS_ELM_MAX_SECTOR_SIZE 512
 #define RT_DFS_ELM_REENTRANT
 #define RT_DFS_ELM_MUTEX_TIMEOUT 3000
-/* end of elm-chan's FatFs, Generic FAT Filesystem Module */
 #define RT_USING_DFS_DEVFS
-/* end of Device virtual file system */
 
 /* Device Drivers */
 
@@ -130,48 +122,34 @@
 
 /* Using USB */
 
-/* end of Using USB */
-/* end of Device Drivers */
 
 /* POSIX layer and C standard library */
 
-#define RT_USING_LIBC
-#define RT_USING_POSIX
 #define RT_LIBC_USING_TIME
 #define RT_LIBC_DEFAULT_TIMEZONE 8
-/* end of POSIX layer and C standard library */
 
 /* Network */
 
 /* Socket abstraction layer */
 
-/* end of Socket abstraction layer */
 
 /* Network interface device */
 
-/* end of Network interface device */
 
 /* light weight TCP/IP stack */
 
-/* end of light weight TCP/IP stack */
 
 /* AT commands */
 
-/* end of AT commands */
-/* end of Network */
 
 /* VBUS(Virtual Software BUS) */
 
-/* end of VBUS(Virtual Software BUS) */
 
 /* Utilities */
 
-/* end of Utilities */
-/* end of RT-Thread Components */
 
 /* RT-Thread Utestcases */
 
-/* end of RT-Thread Utestcases */
 
 /* RT-Thread online packages */
 
@@ -182,72 +160,54 @@
 
 /* Marvell WiFi */
 
-/* end of Marvell WiFi */
 
 /* Wiced WiFi */
 
-/* end of Wiced WiFi */
-/* end of Wi-Fi */
 
 /* IoT Cloud */
 
-/* end of IoT Cloud */
-/* end of IoT - internet of things */
 
 /* security packages */
 
-/* end of security packages */
 
 /* language packages */
 
-/* end of language packages */
 
 /* multimedia packages */
 
+/* LVGL: powerful and easy-to-use embedded GUI library */
 
-/* lvgl: powerful and easy-to-use embedded GUI library */
-
-/* end of lvgl: powerful and easy-to-use embedded GUI library */
 
 /* u8g2: a monochrome graphic library */
 
-/* end of u8g2: a monochrome graphic library */
-/* end of multimedia packages */
 
 /* tools packages */
 
-/* end of tools packages */
 
 /* system packages */
 
 /* acceleration: Assembly language or algorithmic acceleration packages */
 
-/* end of acceleration: Assembly language or algorithmic acceleration packages */
+
+/* CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
+
 
 /* Micrium: Micrium software products porting for RT-Thread */
 
-/* end of Micrium: Micrium software products porting for RT-Thread */
-/* end of system packages */
 
 /* peripheral libraries and drivers */
 
-/* end of peripheral libraries and drivers */
 
 /* AI packages */
 
-/* end of AI packages */
 
 /* miscellaneous packages */
 
 /* samples: kernel and components samples */
 
-/* end of samples: kernel and components samples */
 
 /* entertainment: terminal games and other interesting software packages */
 
-/* end of entertainment: terminal games and other interesting software packages */
-/* end of miscellaneous packages */
-/* end of RT-Thread online packages */
 #define SOC_FAMILY_STM32
 #define SOC_SERIES_STM32F4
 
@@ -257,17 +217,14 @@
 
 /* Onboard Peripheral Drivers */
 
-/* end of Onboard Peripheral Drivers */
 
 /* On-chip Peripheral Drivers */
 
 #define BSP_USING_GPIO
 #define BSP_USING_UART
 #define BSP_USING_UART3
-/* end of On-chip Peripheral Drivers */
 
 /* Board extended module Drivers */
 
-/* end of Hardware Drivers Config */
 
 #endif

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/SConscript

 from building import *
+import os
 
 cwd = GetCurrentDir()
-
+group = []
 src = Glob('*.c')
 CPPPATH = [cwd]
 
-group = DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
+list = os.listdir(cwd)
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        group = group + SConscript(os.path.join(d, 'SConscript'))
+
+group += DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
 Return('group')

bsp/stm32/stm32l475-atk-pandora/board/ports/lvgl/demo/SConscript

+from building import *
+import os
+
+cwd = GetCurrentDir()
+group = []
+src = Glob('*.c')
+CPPPATH = [cwd]
+
+list = os.listdir(cwd)
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        group = group + SConscript(os.path.join(d, 'SConscript'))
+
+group += DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
+Return('group')

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

+#include <lvgl.h>
+#include "lv_demo_calendar.h"
+#include <drv_lcd.h>
+
+static void event_handler(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    lv_obj_t * obj = lv_event_get_current_target(e);
+
+    if(code == LV_EVENT_VALUE_CHANGED) {
+        lv_calendar_date_t date;
+        if(lv_calendar_get_pressed_date(obj, &date)) {
+            LV_LOG_USER("Clicked date: %02d.%02d.%d", date.day, date.month, date.year);
+        }
+    }
+}
+
+void lv_demo_calendar(void)
+{
+    lv_obj_t  * calendar = lv_calendar_create(lv_scr_act());
+    lv_obj_set_size(calendar, LCD_W, LCD_H);
+    lv_obj_align(calendar, LV_ALIGN_CENTER, 0, 0);
+    lv_obj_add_event_cb(calendar, event_handler, LV_EVENT_ALL, NULL);
+
+    lv_calendar_set_today_date(calendar, 2021, 02, 23);
+    lv_calendar_set_showed_date(calendar, 2021, 02);
+
+    /*Highlight a few days*/
+    static lv_calendar_date_t highlighted_days[3];       /*Only its pointer will be saved so should be static*/
+    highlighted_days[0].year = 2021;
+    highlighted_days[0].month = 02;
+    highlighted_days[0].day = 6;
+
+    highlighted_days[1].year = 2021;
+    highlighted_days[1].month = 02;
+    highlighted_days[1].day = 11;
+
+    highlighted_days[2].year = 2022;
+    highlighted_days[2].month = 02;
+    highlighted_days[2].day = 22;
+
+    lv_calendar_set_highlighted_dates(calendar, highlighted_days, 3);
+
+#if LV_USE_CALENDAR_HEADER_DROPDOWN
+    lv_calendar_header_dropdown_create(calendar);
+#elif LV_USE_CALENDAR_HEADER_ARROW
+    lv_calendar_header_arrow_create(calendar);
+#endif
+    lv_calendar_set_showed_date(calendar, 2021, 10);
+}

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

+#ifndef __LV_DEMO_CALENDAR_H__
+#define __LV_DEMO_CALENDAR_H__
+
+void lv_demo_calendar(void);
+
+#endif

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_demo.c

@@ -9,11 +9,11 @@
  */
 #include <rtthread.h>
 #include <lvgl.h>
+#include <lv_port_indev.h>
+#include <lv_demo_calendar.h>
 #define DBG_TAG    "LVGL"
 #define DBG_LVL    DBG_INFO
 #include <rtdbg.h>
-#include <drv_lcd.h>
-#include <lv_port_indev.h>
 
 #ifndef LV_THREAD_STACK_SIZE
 #define LV_THREAD_STACK_SIZE 4096
@@ -23,60 +23,13 @@
 #define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX*2/3)
 #endif
 
-static void event_handler(lv_event_t * e)
-{
-    lv_event_code_t code = lv_event_get_code(e);
-    lv_obj_t * obj = lv_event_get_current_target(e);
-
-    if(code == LV_EVENT_VALUE_CHANGED) {
-        lv_calendar_date_t date;
-        if(lv_calendar_get_pressed_date(obj, &date)) {
-            LV_LOG_USER("Clicked date: %02d.%02d.%d", date.day, date.month, date.year);
-        }
-    }
-}
-
-void lv_example_calendar_1(void)
-{
-    lv_obj_t  * calendar = lv_calendar_create(lv_scr_act());
-    lv_obj_set_size(calendar, LCD_W, LCD_H);
-    lv_obj_align(calendar, LV_ALIGN_CENTER, 0, 0);
-    lv_obj_add_event_cb(calendar, event_handler, LV_EVENT_ALL, NULL);
-
-    lv_calendar_set_today_date(calendar, 2021, 02, 23);
-    lv_calendar_set_showed_date(calendar, 2021, 02);
-
-    /*Highlight a few days*/
-    static lv_calendar_date_t highlighted_days[3];       /*Only its pointer will be saved so should be static*/
-    highlighted_days[0].year = 2021;
-    highlighted_days[0].month = 02;
-    highlighted_days[0].day = 6;
-
-    highlighted_days[1].year = 2021;
-    highlighted_days[1].month = 02;
-    highlighted_days[1].day = 11;
-
-    highlighted_days[2].year = 2022;
-    highlighted_days[2].month = 02;
-    highlighted_days[2].day = 22;
-
-    lv_calendar_set_highlighted_dates(calendar, highlighted_days, 3);
-
-#if LV_USE_CALENDAR_HEADER_DROPDOWN
-    lv_calendar_header_dropdown_create(calendar);
-#elif LV_USE_CALENDAR_HEADER_ARROW
-    lv_calendar_header_arrow_create(calendar);
-#endif
-    lv_calendar_set_showed_date(calendar, 2021, 10);
-}
-
 static void lvgl_thread(void *parameter)
 {
     /*assign buttons to coordinates*/
     const lv_point_t points_array[] =  {{200,35},{0,0},{70,35},{0,0}};
     lv_indev_set_button_points(button_indev, points_array);
 
-    lv_example_calendar_1();
+    lv_demo_calendar();
 
     while(1)
     {

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.*/