[bsp][stm32] add rtc and iwdg bsp support

bsp/stm32/stm32l432-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
@@ -123,10 +123,11 @@ 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
+CONFIG_RT_USING_WDT=y
 # CONFIG_RT_USING_AUDIO is not set
 
 #
@@ -143,7 +144,7 @@ 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
 
 #
@@ -199,6 +200,7 @@ CONFIG_RT_USING_PIN=y
 #
 # CONFIG_PKG_USING_PAHOMQTT is not set
 # CONFIG_PKG_USING_WEBCLIENT is not set
+# CONFIG_PKG_USING_WEBNET is not set
 # CONFIG_PKG_USING_MONGOOSE is not set
 # CONFIG_PKG_USING_WEBTERMINAL is not set
 # CONFIG_PKG_USING_CJSON is not set
@@ -220,6 +222,7 @@ CONFIG_RT_USING_PIN=y
 # Wiced WiFi
 #
 # CONFIG_PKG_USING_WLAN_WICED is not set
+# CONFIG_PKG_USING_RW007 is not set
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
@@ -233,6 +236,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_GAGENT_CLOUD is not set
 # CONFIG_PKG_USING_ALI_IOTKIT is not set
 # CONFIG_PKG_USING_AZURE is not set
+# CONFIG_PKG_USING_TENCENT_IOTKIT is not set
+# CONFIG_PKG_USING_NIMBLE is not set
 
 #
 # security packages
@@ -264,6 +269,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_RDB is not set
 # CONFIG_PKG_USING_QRCODE is not set
 # CONFIG_PKG_USING_ULOG_EASYFLASH is not set
+# CONFIG_PKG_USING_ADBD is not set
 
 #
 # system packages
@@ -280,6 +286,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_LITTLEVGL2RTT 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
 
 #
 # peripheral libraries and drivers
@@ -293,6 +300,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_U8G2 is not set
 # CONFIG_PKG_USING_BUTTON is not set
 # CONFIG_PKG_USING_MPU6XXX is not set
+# CONFIG_PKG_USING_PCF8574 is not set
+# CONFIG_PKG_USING_KENDRYTE_SDK is not set
 
 #
 # miscellaneous packages
@@ -307,10 +316,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_ZLIB is not set
 # CONFIG_PKG_USING_DSTR is not set
 # CONFIG_PKG_USING_TINYFRAME is not set
-
-#
-# sample package
-#
+# CONFIG_PKG_USING_KENDRYTE_DEMO is not set
 
 #
 # samples: kernel and components samples
@@ -319,11 +325,10 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
-
-#
-# example package: hello
-#
+# CONFIG_PKG_USING_PERIPHERAL_SAMPLES_V020 is not set
+# CONFIG_PKG_USING_PERIPHERAL_SAMPLES_LATEST_VERSION is not set
 # CONFIG_PKG_USING_HELLO is not set
+# CONFIG_PKG_USING_VI is not set
 CONFIG_SOC_FAMILY_STM32=y
 CONFIG_SOC_SERIES_STM32L4=y
 
@@ -344,6 +349,8 @@ 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_ONCHIP_RTC is not set
+# CONFIG_BSP_USING_WDT is not set
 
 #
 # Board extended module Drivers

bsp/stm32/stm32l432-st-nucleo/README.md

-# NUCLEO32-L432 开发板的 BSP 说明
+# NUCLEO32-L432 开发板 BSP 说明
 
 ## 简介
 
@@ -43,10 +43,10 @@
 | UART              |     支持     | UART2                             |
 | SPI               |   暂不支持   | SPI1 即将支持                            |
 | I2C               |   暂不支持   | 软件 I2C 即将支持                      |
-| RTC               |   暂不支持   | 即将支持                              |
+| RTC               |   支持      |                                     |
 | PWM               |   暂不支持   | 即将支持                              |
 | USB Device        |   暂不支持   | 即将支持                             |
-| IWG               |   暂不支持   | 即将支持                              |
+| IWG               |   支持      | 独立看门狗，未开启窗口模式              |
 | **扩展模块**      | **支持情况** | **备注**                              |
 
 

bsp/stm32/stm32l432-st-nucleo/board/CubeMX_Config/.mxproject

@@ -5,9 +5,9 @@ SourcePath=D:/rtt/rt-thread/bsp/stm32/stm32l432-st-nucleo/board/CubeMX_Config/Sr
 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/CMSIS/Device/ST/STM32L4xx/Include/stm32l432xx.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_iwdg.h;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_iwdg.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;Drivers/CMSIS/Device/ST/STM32L4xx/Include/stm32l432xx.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/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_iwdg.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:/rtt/rt-thread/bsp/stm32/stm32l432-st-nucleo/board/CubeMX_Config//MDK-ARM/startup_stm32l432xx.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/stm32l432-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc

@@ -2,23 +2,28 @@
 File.Version=6
 KeepUserPlacement=true
 Mcu.Family=STM32L4
-Mcu.IP0=NVIC
-Mcu.IP1=RCC
-Mcu.IP2=SYS
-Mcu.IP3=USART2
-Mcu.IPNb=4
+Mcu.IP0=IWDG
+Mcu.IP1=NVIC
+Mcu.IP2=RCC
+Mcu.IP3=RTC
+Mcu.IP4=SYS
+Mcu.IP5=USART2
+Mcu.IPNb=6
 Mcu.Name=STM32L432K(B-C)Ux
 Mcu.Package=UFQFPN32
 Mcu.Pin0=PC14-OSC32_IN (PC14)
 Mcu.Pin1=PC15-OSC32_OUT (PC15)
+Mcu.Pin10=VP_RTC_VS_RTC_Calendar
+Mcu.Pin11=VP_SYS_VS_Systick
 Mcu.Pin2=PA0
 Mcu.Pin3=PA2
 Mcu.Pin4=PA13 (JTMS-SWDIO)
 Mcu.Pin5=PA14 (JTCK-SWCLK)
 Mcu.Pin6=PA15 (JTDI)
 Mcu.Pin7=PB3 (JTDO-TRACESWO)
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.PinsNb=9
+Mcu.Pin8=VP_IWDG_VS_IWDG
+Mcu.Pin9=VP_RTC_VS_RTC_Activate
+Mcu.PinsNb=12
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32L432KCUx
@@ -106,7 +111,7 @@ 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_IWDG_Init-IWDG-false-HAL-true,5-MX_RTC_Init-RTC-false-HAL-true
 RCC.48CLKFreq_Value=24000000
 RCC.AHBFreq_Value=32000000
 RCC.APB1Freq_Value=32000000
@@ -124,7 +129,7 @@ RCC.HSI_VALUE=16000000
 RCC.I2C1Freq_Value=32000000
 RCC.I2C2Freq_Value=16000000
 RCC.I2C3Freq_Value=32000000
-RCC.IPParameters=48CLKFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI16_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,LCDFreq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIMFreq_Value,LPUART1Freq_Value,LPUARTFreq_Value,LSCOPinFreq_Value,LSI_VALUE,MCO1PinFreq_Value,MCOPinFreq_Value,MSI_VALUE,PLLCLKFreq_Value,PLLMUL,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PWRFreq_Value,RTCFreq_Value,RTCHSEDivFreq_Value,SAI1Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIMFreq_Value,TimerFreq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value,WatchDogFreq_Value
+RCC.IPParameters=48CLKFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI16_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,LCDFreq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPTIMFreq_Value,LPUART1Freq_Value,LPUARTFreq_Value,LSCOPinFreq_Value,LSI_VALUE,MCO1PinFreq_Value,MCOPinFreq_Value,MSI_VALUE,PLLCLKFreq_Value,PLLMUL,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSAI1PoutputFreq_Value,PLLSAI1QoutputFreq_Value,PLLSAI1RoutputFreq_Value,PWRFreq_Value,RTCClockSelection,RTCFreq_Value,RTCHSEDivFreq_Value,SAI1Freq_Value,SWPMI1Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIMFreq_Value,TimerFreq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAI1OutputFreq_Value,WatchDogFreq_Value
 RCC.LCDFreq_Value=37000
 RCC.LPTIM1Freq_Value=32000000
 RCC.LPTIM2Freq_Value=32000000
@@ -146,7 +151,8 @@ RCC.PLLSAI1PoutputFreq_Value=4571428.571428572
 RCC.PLLSAI1QoutputFreq_Value=16000000
 RCC.PLLSAI1RoutputFreq_Value=16000000
 RCC.PWRFreq_Value=32000000
-RCC.RTCFreq_Value=32000
+RCC.RTCClockSelection=RCC_RTCCLKSOURCE_LSE
+RCC.RTCFreq_Value=32768
 RCC.RTCHSEDivFreq_Value=4000000
 RCC.SAI1Freq_Value=4571428.571428572
 RCC.SWPMI1Freq_Value=32000000
@@ -163,6 +169,12 @@ RCC.VCOSAI1OutputFreq_Value=32000000
 RCC.WatchDogFreq_Value=32000
 USART2.IPParameters=VirtualMode-Asynchronous
 USART2.VirtualMode-Asynchronous=VM_ASYNC
+VP_IWDG_VS_IWDG.Mode=IWDG_Activate
+VP_IWDG_VS_IWDG.Signal=IWDG_VS_IWDG
+VP_RTC_VS_RTC_Activate.Mode=RTC_Enabled
+VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
+VP_RTC_VS_RTC_Calendar.Mode=RTC_Calendar
+VP_RTC_VS_RTC_Calendar.Signal=RTC_VS_RTC_Calendar
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=NUCLEO-L432KC

bsp/stm32/stm32l432-st-nucleo/board/CubeMX_Config/Inc/stm32l4xx_hal_conf.h

@@ -67,7 +67,7 @@
 /*#define HAL_HASH_MODULE_ENABLED   */
 /*#define HAL_I2S_MODULE_ENABLED   */
 /*#define HAL_IRDA_MODULE_ENABLED   */
-/*#define HAL_IWDG_MODULE_ENABLED   */
+#define HAL_IWDG_MODULE_ENABLED
 /*#define HAL_LTDC_MODULE_ENABLED   */
 /*#define HAL_LCD_MODULE_ENABLED   */
 /*#define HAL_LPTIM_MODULE_ENABLED   */
@@ -80,7 +80,7 @@
 /*#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/stm32l432-st-nucleo/board/CubeMX_Config/Src/main.c

@@ -45,6 +45,10 @@
 /* USER CODE END Includes */
 
 /* Private variables ---------------------------------------------------------*/
+IWDG_HandleTypeDef hiwdg;
+
+RTC_HandleTypeDef hrtc;
+
 UART_HandleTypeDef huart2;
 
 /* USER CODE BEGIN PV */
@@ -56,6 +60,8 @@ UART_HandleTypeDef huart2;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART2_UART_Init(void);
+static void MX_IWDG_Init(void);
+static void MX_RTC_Init(void);
 
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
@@ -96,6 +102,8 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART2_UART_Init();
+  MX_IWDG_Init();
+  MX_RTC_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -133,8 +141,10 @@ void SystemClock_Config(void)
 
     /**Initializes the CPU, AHB and APB busses clocks 
     */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE|RCC_OSCILLATORTYPE_MSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_LSE
+                              |RCC_OSCILLATORTYPE_MSI;
   RCC_OscInitStruct.LSEState = RCC_LSE_ON;
+  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
   RCC_OscInitStruct.MSIState = RCC_MSI_ON;
   RCC_OscInitStruct.MSICalibrationValue = 0;
   RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
@@ -164,8 +174,9 @@ void SystemClock_Config(void)
     _Error_Handler(__FILE__, __LINE__);
   }
 
-  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(__FILE__, __LINE__);
@@ -194,6 +205,75 @@ void SystemClock_Config(void)
   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
 }
 
+/* IWDG init function */
+static void MX_IWDG_Init(void)
+{
+
+  hiwdg.Instance = IWDG;
+  hiwdg.Init.Prescaler = IWDG_PRESCALER_4;
+  hiwdg.Init.Window = 4095;
+  hiwdg.Init.Reload = 4095;
+  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+}
+
+/* RTC init function */
+static void MX_RTC_Init(void)
+{
+
+  /* USER CODE BEGIN RTC_Init 0 */
+
+  /* USER CODE END RTC_Init 0 */
+
+  RTC_TimeTypeDef sTime;
+  RTC_DateTypeDef sDate;
+
+  /* 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(__FILE__, __LINE__);
+  }
+
+    /**Initialize RTC and set the Time and Date 
+    */
+  sTime.Hours = 0x0;
+  sTime.Minutes = 0x0;
+  sTime.Seconds = 0x0;
+  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+  sDate.WeekDay = RTC_WEEKDAY_MONDAY;
+  sDate.Month = RTC_MONTH_JANUARY;
+  sDate.Date = 0x1;
+  sDate.Year = 0x0;
+
+  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+}
+
 /* USART2 init function */
 static void MX_USART2_UART_Init(void)
 {

bsp/stm32/stm32l432-st-nucleo/board/CubeMX_Config/Src/stm32l4xx_hal_msp.c

@@ -77,6 +77,40 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+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 */
+  }
+
+}
+
+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 */
+  }
+
+}
+
 void HAL_UART_MspInit(UART_HandleTypeDef* huart)
 {
 

bsp/stm32/stm32l432-st-nucleo/board/Kconfig

@@ -36,6 +36,17 @@ menu "On-chip Peripheral Drivers"
         endif
     
 
+    config BSP_USING_ONCHIP_RTC
+        bool "Enable RTC"
+        select RT_USING_RTC
+        select RT_USING_LIBC
+        default n
+
+    config BSP_USING_WDT
+        bool "Enable Watchdog Timer"
+        select RT_USING_WDT
+        default n
+
 endmenu
 
 menu "Board extended module Drivers"

bsp/stm32/stm32l432-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
@@ -79,6 +79,8 @@
 #define RT_USING_SERIAL
 #define RT_SERIAL_USING_DMA
 #define RT_USING_PIN
+#define RT_USING_RTC
+#define RT_USING_WDT
 
 /* Using WiFi */
 
@@ -88,6 +90,7 @@
 
 /* POSIX layer and C standard library */
 
+#define RT_USING_LIBC
 
 /* Network */
 
@@ -149,13 +152,8 @@
 /* miscellaneous packages */
 
 
-/* sample package */
-
 /* samples: kernel and components samples */
 
-
-/* example package: hello */
-
 #define SOC_FAMILY_STM32
 #define SOC_SERIES_STM32L4