添加片上外设驱动选项

bsp/stm32/stm32l476-st-nucleo/.config

@@ -62,7 +62,7 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=256
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart2"
-CONFIG_RT_VER_NUM=0x40000
+CONFIG_RT_VER_NUM=0x40001
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_ARM_CORTEX_M=y
 CONFIG_ARCH_ARM_CORTEX_M4=y
@@ -112,6 +112,7 @@ CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 CONFIG_RT_USING_SERIAL=y
 CONFIG_RT_SERIAL_USING_DMA=y
+CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_CAN is not set
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
@@ -123,7 +124,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_MTD is not set
 # CONFIG_RT_USING_PM is not set
-# CONFIG_RT_USING_RTC is not set
+CONFIG_RT_USING_RTC=y
+# CONFIG_RT_USING_SOFT_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
@@ -143,7 +145,7 @@ CONFIG_RT_USING_PIN=y
 #
 # POSIX layer and C standard library
 #
-# CONFIG_RT_USING_LIBC is not set
+CONFIG_RT_USING_LIBC=y
 # CONFIG_RT_USING_PTHREADS is not set
 
 #
@@ -341,6 +343,11 @@ CONFIG_BSP_USING_STLINK_TO_USART=y
 CONFIG_BSP_USING_GPIO=y
 CONFIG_BSP_USING_UART=y
 CONFIG_BSP_USING_UART2=y
+# CONFIG_BSP_UART2_RX_USING_DMA is not set
+# CONFIG_BSP_USING_I2C1 is not set
+# CONFIG_BSP_USING_I2C2 is not set
+# CONFIG_BSP_USING_I2C3 is not set
+# CONFIG_BSP_USING_ONCHIP_RTC is not set
 
 #
 # Board extended module Drivers

bsp/stm32/stm32l476-st-nucleo/README.md

@@ -41,6 +41,8 @@
 | **片上外设**      | **支持情况** | **备注**                              |
 | GPIO              |     支持     |          |
 | UART              |     支持     | UART2    |
+| IIC               |     支持     | 软件模拟 |
+| RTC               |     支持     | LSE 时钟源|
 | **扩展模块**      | **支持情况** | **备注** |
 
 ## 使用说明

bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/.mxproject

 [PreviousGenFiles]
-HeaderPath=E:/GitHub/rt-thread/bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Inc
+HeaderPath=D:/VariousProject/rt-thread/bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Inc
 HeaderFiles=stm32l4xx_it.h;stm32l4xx_hal_conf.h;main.h;
-SourcePath=E:/GitHub/rt-thread/bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Src
+SourcePath=D:/VariousProject/rt-thread/bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Src
 SourceFiles=stm32l4xx_it.c;stm32l4xx_hal_msp.c;main.c;
 
 [PreviousLibFiles]
-LibFiles=Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_def.h;Drivers/STM32L4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ramfunc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_cortex.h;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_def.h;Drivers/STM32L4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ramfunc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_cortex.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/stm32l476xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/stm32l4xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/system_stm32l4xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Source/Templates/system_stm32l4xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
+LibFiles=Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rtc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rtc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_def.h;Drivers/STM32L4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ramfunc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_cortex.h;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rtc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rtc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_tim_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_uart_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_def.h;Drivers/STM32L4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_i2c_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_rcc_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_flash_ramfunc.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_gpio_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_pwr_ex.h;Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_cortex.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/stm32l476xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/stm32l4xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Include/system_stm32l4xx.h;Drivers/CMSIS/Device/ST/STM32L4xx/Source/Templates/system_stm32l4xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
 
 [PreviousUsedKeilFiles]
-SourceFiles=..\Src\main.c;..\Src\stm32l4xx_it.c;..\Src\stm32l4xx_hal_msp.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;../\Src/system_stm32l4xx.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;../\Src/system_stm32l4xx.c;../Drivers/CMSIS/Device/ST/STM32L4xx/Source/Templates/system_stm32l4xx.c;null;
+SourceFiles=..\Src\main.c;..\Src\stm32l4xx_it.c;..\Src\stm32l4xx_hal_msp.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;../\Src/system_stm32l4xx.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rtc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c;../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c;../\Src/system_stm32l4xx.c;../Drivers/CMSIS/Device/ST/STM32L4xx/Source/Templates/system_stm32l4xx.c;D:/VariousProject/rt-thread/bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config//MDK-ARM/startup_stm32l476xx.s;
 HeaderPath=..\Drivers\STM32L4xx_HAL_Driver\Inc;..\Drivers\STM32L4xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32L4xx\Include;..\Drivers\CMSIS\Include;..\Inc;
 

bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc

@@ -4,9 +4,10 @@ KeepUserPlacement=false
 Mcu.Family=STM32L4
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
-Mcu.IP2=SYS
-Mcu.IP3=USART2
-Mcu.IPNb=4
+Mcu.IP2=RTC
+Mcu.IP3=SYS
+Mcu.IP4=USART2
+Mcu.IPNb=5
 Mcu.Name=STM32L476R(C-E-G)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC14-OSC32_IN (PC14)
@@ -15,8 +16,9 @@ Mcu.Pin2=PA2
 Mcu.Pin3=PA3
 Mcu.Pin4=PA13 (JTMS-SWDIO)
 Mcu.Pin5=PA14 (JTCK-SWCLK)
-Mcu.Pin6=VP_SYS_VS_Systick
-Mcu.PinsNb=7
+Mcu.Pin6=VP_RTC_VS_RTC_Activate
+Mcu.Pin7=VP_SYS_VS_Systick
+Mcu.PinsNb=8
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32L476RGTx
@@ -79,7 +81,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_USART2_UART_Init-USART2-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_USART2_UART_Init-USART2-false-HAL-true,4-MX_RTC_Init-RTC-false-HAL-true
 RCC.ADCFreq_Value=64000000
 RCC.AHBFreq_Value=80000000
 RCC.APB1Freq_Value=80000000
@@ -96,7 +98,8 @@ RCC.HSI_VALUE=16000000
 RCC.I2C1Freq_Value=80000000
 RCC.I2C2Freq_Value=80000000
 RCC.I2C3Freq_Value=80000000
-RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,DFSDMFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSI_VALUE,MCO1PinFreq_Value,MSI_VALUE,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PLLSAI2PoutputFreq_Value,PLLSAI2RoutputFreq_Value,PLLSourceVirtual,PWRFreq_Value,RNGFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMCFreq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value,VCOSAI2OutputFreq_Value
+RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,DFSDMFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,LCDFreq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSI_VALUE,MCO1PinFreq_Value,MSI_VALUE,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PLLSAI2PoutputFreq_Value,PLLSAI2RoutputFreq_Value,PLLSourceVirtual,PWRFreq_Value,RNGFreq_Value,RTCClockSelection,RTCFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMCFreq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value,VCOSAI2OutputFreq_Value
+RCC.LCDFreq_Value=32768
 RCC.LPTIM1Freq_Value=80000000
 RCC.LPTIM2Freq_Value=80000000
 RCC.LPUART1Freq_Value=80000000
@@ -116,6 +119,8 @@ RCC.PLLSAI2RoutputFreq_Value=64000000
 RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSI
 RCC.PWRFreq_Value=80000000
 RCC.RNGFreq_Value=64000000
+RCC.RTCClockSelection=RCC_RTCCLKSOURCE_LSE
+RCC.RTCFreq_Value=32768
 RCC.SAI1Freq_Value=18285714.285714287
 RCC.SAI2Freq_Value=18285714.285714287
 RCC.SDMMCFreq_Value=64000000
@@ -134,6 +139,8 @@ RCC.VCOSAI1OutputFreq_Value=128000000
 RCC.VCOSAI2OutputFreq_Value=128000000
 USART2.IPParameters=VirtualMode-Asynchronous
 USART2.VirtualMode-Asynchronous=VM_ASYNC
+VP_RTC_VS_RTC_Activate.Mode=RTC_Enabled
+VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=custom

bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Inc/stm32l4xx_hal_conf.h

@@ -79,7 +79,7 @@
 /*#define HAL_QSPI_MODULE_ENABLED   */
 /*#define HAL_QSPI_MODULE_ENABLED   */
 /*#define HAL_RNG_MODULE_ENABLED   */
-/*#define HAL_RTC_MODULE_ENABLED   */
+#define HAL_RTC_MODULE_ENABLED
 /*#define HAL_SAI_MODULE_ENABLED   */
 /*#define HAL_SD_MODULE_ENABLED   */
 /*#define HAL_SMBUS_MODULE_ENABLED   */

bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Src/main.c

@@ -62,6 +62,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+RTC_HandleTypeDef hrtc;
+
 UART_HandleTypeDef huart2;
 
 /* USER CODE BEGIN PV */
@@ -73,6 +75,7 @@ UART_HandleTypeDef huart2;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART2_UART_Init(void);
+static void MX_RTC_Init(void);
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
 
@@ -112,6 +115,7 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART2_UART_Init();
+  MX_RTC_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -139,9 +143,14 @@ void SystemClock_Config(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
+  /**Configure LSE Drive Capability 
+  */
+  HAL_PWR_EnableBkUpAccess();
+  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
   /**Initializes the CPU, AHB and APB busses clocks 
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSE;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
   RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
@@ -168,8 +177,9 @@ void SystemClock_Config(void)
   {
     Error_Handler();
   }
-  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USART2;
   PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
+  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
   {
     Error_Handler();
@@ -182,6 +192,41 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief RTC Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_RTC_Init(void)
+{
+
+  /* USER CODE BEGIN RTC_Init 0 */
+
+  /* USER CODE END RTC_Init 0 */
+
+  /* USER CODE BEGIN RTC_Init 1 */
+
+  /* USER CODE END RTC_Init 1 */
+  /**Initialize RTC Only 
+  */
+  hrtc.Instance = RTC;
+  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
+  hrtc.Init.AsynchPrediv = 127;
+  hrtc.Init.SynchPrediv = 255;
+  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
+  hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
+  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+  if (HAL_RTC_Init(&hrtc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN RTC_Init 2 */
+
+  /* USER CODE END RTC_Init 2 */
+
+}
+
 /**
   * @brief USART2 Initialization Function
   * @param None

bsp/stm32/stm32l476-st-nucleo/board/CubeMX_Config/Src/stm32l4xx_hal_msp.c

@@ -97,6 +97,53 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief RTC MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hrtc: RTC handle pointer
+* @retval None
+*/
+void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
+{
+
+  if(hrtc->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspInit 0 */
+
+  /* USER CODE END RTC_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_RTC_ENABLE();
+  /* USER CODE BEGIN RTC_MspInit 1 */
+
+  /* USER CODE END RTC_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief RTC MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hrtc: RTC handle pointer
+* @retval None
+*/
+
+void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
+{
+
+  if(hrtc->Instance==RTC)
+  {
+  /* USER CODE BEGIN RTC_MspDeInit 0 */
+
+  /* USER CODE END RTC_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_RTC_DISABLE();
+  /* USER CODE BEGIN RTC_MspDeInit 1 */
+
+  /* USER CODE END RTC_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example

bsp/stm32/stm32l476-st-nucleo/board/Kconfig

@@ -35,7 +35,64 @@ menu "On-chip Peripheral Drivers"
                 depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
                 default n
         endif
+        
+    menuconfig BSP_USING_I2C1
+        bool "Enable I2C1 BUS (software simulation)"
+        default n
+        select RT_USING_I2C
+        select RT_USING_I2C_BITOPS
+        select RT_USING_PIN
+        if BSP_USING_I2C1
+            config BSP_I2C1_SCL_PIN
+                int "i2c1 scl pin number"
+                range 1 176
+                default 22
+            config BSP_I2C1_SDA_PIN
+                int "I2C1 sda pin number"
+                range 1 176
+                default 23
+        endif
 
+    menuconfig BSP_USING_I2C2
+        bool "Enable I2C2 BUS (software simulation)"
+        default n
+        select RT_USING_I2C
+        select RT_USING_I2C_BITOPS
+        select RT_USING_PIN
+        if BSP_USING_I2C2
+            config BSP_I2C2_SCL_PIN
+                int "i2c2 scl pin number"
+                range 1 176
+                default 26
+            config BSP_I2C2_SDA_PIN
+                int "I2C2 sda pin number"
+                range 1 176
+                default 27
+        endif
+
+    menuconfig BSP_USING_I2C3
+        bool "Enable I2C3 BUS (software simulation)"
+        default n
+        select RT_USING_I2CS
+        select RT_USING_I2C_BITOPS
+        select RT_USING_PIN
+        if BSP_USING_I2C3
+            config BSP_I2C3_SCL_PIN
+                int "i2c3 scl pin number"
+                range 1 176
+                default 32
+            config BSP_I2C3_SDA_PIN
+                int "I2C3 sda pin number"
+                range 1 176
+                default 33
+        endif
+        
+    config BSP_USING_ONCHIP_RTC
+        bool "Enable RTC"
+        select RT_USING_RTC
+        select RT_USING_LIBC
+        default n
+        
 endmenu
 
 menu "Board extended module Drivers"

bsp/stm32/stm32l476-st-nucleo/board/board.c

@@ -16,6 +16,10 @@ void SystemClock_Config(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
+  /**Configure LSE Drive Capability 
+  */
+  HAL_PWR_EnableBkUpAccess();
+  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
   /**Initializes the CPU, AHB and APB busses clocks 
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;

bsp/stm32/stm32l476-st-nucleo/rtconfig.h

@@ -38,7 +38,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 256
 #define RT_CONSOLE_DEVICE_NAME "uart2"
-#define RT_VER_NUM 0x40000
+#define RT_VER_NUM 0x40001
 #define ARCH_ARM
 #define ARCH_ARM_CORTEX_M
 #define ARCH_ARM_CORTEX_M4
@@ -78,7 +78,9 @@
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
 #define RT_SERIAL_USING_DMA
+#define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
+#define RT_USING_RTC
 
 /* Using WiFi */
 
@@ -88,6 +90,7 @@
 
 /* POSIX layer and C standard library */
 
+#define RT_USING_LIBC
 
 /* Network */