Merge pull request #4933 from chenyingchun0312/master

[bsp/stm32l496-st-nucleo] add usb device cdc configration

Author: BernardXiong

bsp/stm32/stm32l496-st-nucleo/README_zh.md

@@ -96,6 +96,10 @@ msh >
 
 本章节更多详细的介绍请参考 [STM32 系列 BSP 外设驱动使用教程](../docs/STM32系列BSP外设驱动使用教程.md)。
 
+
+
+5. USBD CDC使用，参考文章[STM32L496 USB CDC适配](https://club.rt-thread.org/ask/article/2959.html)
+
 ## 注意事项
 
 - 开机时如果不能打印 RT-Thread 版本信息，请重新选择 PC 端串口调试软件的串口号或将 BSP 中串口的 GPIO 速率调低

bsp/stm32/stm32l496-st-nucleo/applications/SConscript

@@ -6,12 +6,6 @@ src = Split('''
 main.c
 ''')
 
-if GetDepend(['BSP_USING_SPI_LCD']):
-    src += ['lcd_sample.c']
-
-if GetDepend(['PKG_USING_NRF24L01']):
-    src += ['nrf24l01_init.c']
-
 CPPPATH = [str(Dir('#')), cwd]
 
 group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)

bsp/stm32/stm32l496-st-nucleo/board/Kconfig

@@ -60,6 +60,11 @@ menu "On-chip Peripheral Drivers"
     config BSP_USING_ON_CHIP_FLASH
         bool "Enable on-chip FLASH"
         default n
+
+    config BSP_USING_USBD
+        bool "Enable OTGFS as USB device"
+        select RT_USING_USB_DEVICE
+        default n 
 
     source "../libraries/HAL_Drivers/Kconfig"