Merge pull request #2448 from misonyo/pwm

[bsp/stm32f411]add pwm driver
2026-03-28 10:12:09 +08:00 · 2019-03-14 13:03:27 +08:00
parent 8c230ba16a c135b34b9d
commit 0876c25a4e
16 changed files with 533 additions and 928 deletions
--- a/bsp/es32f0654/project.uvoptx
+++ b/bsp/es32f0654/project.uvoptx
@@ -77,7 +77,7 @@
        <tvExpOptDlg>0</tvExpOptDlg>
        <IsCurrentTarget>1</IsCurrentTarget>
      </OPTFL>
-      <CpuCode>0</CpuCode>
+      <CpuCode>255</CpuCode>
      <DebugOpt>
        <uSim>0</uSim>
        <uTrg>1</uTrg>
@@ -101,6 +101,8 @@
        <sRunDeb>0</sRunDeb>
        <sLrtime>0</sLrtime>
        <bEvRecOn>1</bEvRecOn>
+        <bSchkAxf>0</bSchkAxf>
+        <bTchkAxf>0</bTchkAxf>
        <nTsel>3</nTsel>
        <sDll></sDll>
        <sDllPa></sDllPa>
@@ -112,9 +114,14 @@
        <tDlgDll></tDlgDll>
        <tDlgPa></tDlgPa>
        <tIfile></tIfile>
-        <pMon>Segger\JL2CM3.dll</pMon>
+        <pMon>BIN\CMSIS_AGDI.dll</pMon>
      </DebugOpt>
      <TargetDriverDllRegistry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>CMSIS_AGDI</Key>
+          <Name>-X"" -O206 -S0 -C0 -P00 -TO18 -TC10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0ES32F065x.FLM -FS00 -FL040000 -FP0($$Device:ES32F0654LT$Flash\ES32F065x.FLM)</Name>
+        </SetRegEntry>
        <SetRegEntry>
          <Number>0</Number>
          <Key>JL2CM3</Key>
@@ -165,6 +172,10 @@
      <pszMrule></pszMrule>
      <pSingCmds></pSingCmds>
      <pMultCmds></pMultCmds>
+      <pMisraNamep></pMisraNamep>
+      <pszMrulep></pszMrulep>
+      <pSingCmdsp></pSingCmdsp>
+      <pMultCmdsp></pMultCmdsp>
    </TargetOption>
  </Target>

--- a/bsp/es32f0654/project.uvprojx
+++ b/bsp/es32f0654/project.uvprojx
@@ -7,11 +7,12 @@
      <TargetName>rt-thread</TargetName>
      <ToolsetNumber>0x4</ToolsetNumber>
      <ToolsetName>ARM-ADS</ToolsetName>
+      <uAC6>0</uAC6>
      <TargetOption>
        <TargetCommonOption>
          <Device>ES32F0654LT</Device>
          <Vendor>Eastsoft</Vendor>
-          <PackID>Eastsoft.ES32_DFP.1.0.1</PackID>
+          <PackID>Eastsoft.ES32_DFP.1.0.2</PackID>
          <PackURL>http://www.essemi.com</PackURL>
          <Cpu>IRAM(0x20000000,0x00008000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ELITTLE</Cpu>
          <FlashUtilSpec />
@@ -365,7 +366,7 @@
            <ScatterFile />
            <IncludeLibs />
            <IncludeLibsPath />
-            <Misc> --keep *.o(.rti_fn.*)   --keep *.o(FSymTab)</Misc>
+            <Misc />
            <LinkerInputFile />
            <DisabledWarnings />
          </LDads>
--- a/bsp/es32f0654/template.uvoptx
+++ b/bsp/es32f0654/template.uvoptx
@@ -77,7 +77,7 @@
        <tvExpOptDlg>0</tvExpOptDlg>
        <IsCurrentTarget>1</IsCurrentTarget>
      </OPTFL>
-      <CpuCode>0</CpuCode>
+      <CpuCode>255</CpuCode>
      <DebugOpt>
        <uSim>0</uSim>
        <uTrg>1</uTrg>
@@ -101,6 +101,8 @@
        <sRunDeb>0</sRunDeb>
        <sLrtime>0</sLrtime>
        <bEvRecOn>1</bEvRecOn>
+        <bSchkAxf>0</bSchkAxf>
+        <bTchkAxf>0</bTchkAxf>
        <nTsel>3</nTsel>
        <sDll></sDll>
        <sDllPa></sDllPa>
@@ -112,9 +114,14 @@
        <tDlgDll></tDlgDll>
        <tDlgPa></tDlgPa>
        <tIfile></tIfile>
-        <pMon>Segger\JL2CM3.dll</pMon>
+        <pMon>BIN\CMSIS_AGDI.dll</pMon>
      </DebugOpt>
      <TargetDriverDllRegistry>
+        <SetRegEntry>
+          <Number>0</Number>
+          <Key>CMSIS_AGDI</Key>
+          <Name>-X"" -O206 -S0 -C0 -P00 -TO18 -TC10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0ES32F065x.FLM -FS00 -FL040000 -FP0($$Device:ES32F0654LT$Flash\ES32F065x.FLM)</Name>
+        </SetRegEntry>
        <SetRegEntry>
          <Number>0</Number>
          <Key>JL2CM3</Key>
@@ -165,6 +172,10 @@
      <pszMrule></pszMrule>
      <pSingCmds></pSingCmds>
      <pMultCmds></pMultCmds>
+      <pMisraNamep></pMisraNamep>
+      <pszMrulep></pszMrulep>
+      <pSingCmdsp></pSingCmdsp>
+      <pMultCmdsp></pMultCmdsp>
    </TargetOption>
  </Target>

--- a/bsp/es32f0654/template.uvprojx
+++ b/bsp/es32f0654/template.uvprojx
@@ -10,11 +10,12 @@
      <TargetName>rt-thread</TargetName>
      <ToolsetNumber>0x4</ToolsetNumber>
      <ToolsetName>ARM-ADS</ToolsetName>
+      <uAC6>0</uAC6>
      <TargetOption>
        <TargetCommonOption>
          <Device>ES32F0654LT</Device>
          <Vendor>Eastsoft</Vendor>
-          <PackID>Eastsoft.ES32_DFP.1.0.1</PackID>
+          <PackID>Eastsoft.ES32_DFP.1.0.2</PackID>
          <PackURL>http://www.essemi.com</PackURL>
          <Cpu>IRAM(0x20000000,0x00008000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ELITTLE</Cpu>
          <FlashUtilSpec></FlashUtilSpec>
--- a/bsp/stm32/stm32f411-st-nucleo/.config
+++ b/bsp/stm32/stm32f411-st-nucleo/.config
@@ -63,7 +63,7 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 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
@@ -113,6 +113,7 @@ CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 CONFIG_RT_USING_SERIAL=y
 # CONFIG_RT_SERIAL_USING_DMA is not set
+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
@@ -129,6 +130,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
+# CONFIG_RT_USING_SENSOR is not set

 #
 # Using WiFi
@@ -313,6 +315,7 @@ 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
+# CONFIG_PKG_USING_KENDRYTE_DEMO is not set

 #
 # samples: kernel and components samples
@@ -322,6 +325,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES 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_STM32F4=y

@@ -340,6 +344,8 @@ CONFIG_SOC_STM32F411RE=y
 CONFIG_BSP_USING_GPIO=y
 CONFIG_BSP_USING_UART=y
 CONFIG_BSP_USING_UART2=y
+# CONFIG_BSP_USING_I2C1 is not set
+# CONFIG_BSP_USING_PWM is not set
 # CONFIG_BSP_USING_ON_CHIP_FLASH is not set

 #
--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/.mxproject
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/.mxproject
@@ -1,7 +1,7 @@
 [PreviousGenFiles]
-HeaderPath=D:/repository/BspFramework/rt-thread/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc
+HeaderPath=D:/repository/rt-thread-rtt/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc
 HeaderFiles=stm32f4xx_it.h;stm32f4xx_hal_conf.h;main.h;
-SourcePath=D:/repository/BspFramework/rt-thread/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src
+SourcePath=D:/repository/rt-thread-rtt/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src
 SourceFiles=stm32f4xx_it.c;stm32f4xx_hal_msp.c;main.c;

 [PreviousLibFiles]
--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/CubeMX_Config.ioc
@@ -5,28 +5,34 @@ Mcu.Family=STM32F4
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SYS
-Mcu.IP3=USART2
-Mcu.IPNb=4
+Mcu.IP3=TIM3
+Mcu.IP4=USART2
+Mcu.IPNb=5
 Mcu.Name=STM32F411R(C-E)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC13-ANTI_TAMP
 Mcu.Pin1=PC14-OSC32_IN
-Mcu.Pin10=PB3
-Mcu.Pin11=VP_SYS_VS_Systick
+Mcu.Pin10=PB0
+Mcu.Pin11=PB1
+Mcu.Pin12=PA13
+Mcu.Pin13=PA14
+Mcu.Pin14=PB3
+Mcu.Pin15=VP_SYS_VS_Systick
+Mcu.Pin16=VP_TIM3_VS_ClockSourceINT
 Mcu.Pin2=PC15-OSC32_OUT
 Mcu.Pin3=PH0 - OSC_IN
 Mcu.Pin4=PH1 - OSC_OUT
 Mcu.Pin5=PA2
 Mcu.Pin6=PA3
 Mcu.Pin7=PA5
-Mcu.Pin8=PA13
-Mcu.Pin9=PA14
-Mcu.PinsNb=12
+Mcu.Pin8=PA6
+Mcu.Pin9=PA7
+Mcu.PinsNb=17
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F411RETx
-MxCube.Version=5.0.0
-MxDb.Version=DB.5.0.0
+MxCube.Version=5.0.1
+MxDb.Version=DB.5.0.1
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:true
@@ -55,6 +61,10 @@ PA5.GPIOParameters=GPIO_Label
 PA5.GPIO_Label=LD2 [Green Led]
 PA5.Locked=true
 PA5.Signal=GPIO_Output
+PA6.Signal=S_TIM3_CH1
+PA7.Signal=S_TIM3_CH2
+PB0.Signal=S_TIM3_CH3
+PB1.Signal=S_TIM3_CH4
 PB3.GPIOParameters=GPIO_Label
 PB3.GPIO_Label=SWO
 PB3.Locked=true
@@ -90,8 +100,8 @@ ProjectManager.BackupPrevious=false
 ProjectManager.CompilerOptimize=6
 ProjectManager.ComputerToolchain=false
 ProjectManager.CoupleFile=false
-ProjectManager.CustomerFirmwarePackage=..\\..\\..\\..\\..\\..\\..\\..\\board\\stm32cubefx-repo\\STM32Cube_FW_F4_V1.11.0
-ProjectManager.DefaultFWLocation=false
+ProjectManager.CustomerFirmwarePackage=
+ProjectManager.DefaultFWLocation=true
 ProjectManager.DeletePrevious=true
 ProjectManager.DeviceId=STM32F411RETx
 ProjectManager.FirmwarePackage=STM32Cube FW_F4 V1.23.0
@@ -111,7 +121,7 @@ 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_TIM3_Init-TIM3-false-HAL-true
 RCC.48MHZClocksFreq_Value=42000000
 RCC.AHBFreq_Value=84000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -147,9 +157,24 @@ RCC.VCOOutputFreq_Value=168000000
 RCC.VcooutputI2S=48000000
 SH.GPXTI13.0=GPIO_EXTI13
 SH.GPXTI13.ConfNb=1
+SH.S_TIM3_CH1.0=TIM3_CH1,PWM Generation1 CH1
+SH.S_TIM3_CH1.ConfNb=1
+SH.S_TIM3_CH2.0=TIM3_CH2,PWM Generation2 CH2
+SH.S_TIM3_CH2.ConfNb=1
+SH.S_TIM3_CH3.0=TIM3_CH3,PWM Generation3 CH3
+SH.S_TIM3_CH3.ConfNb=1
+SH.S_TIM3_CH4.0=TIM3_CH4,PWM Generation4 CH4
+SH.S_TIM3_CH4.ConfNb=1
+TIM3.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
+TIM3.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
+TIM3.Channel-PWM\ Generation3\ CH3=TIM_CHANNEL_3
+TIM3.Channel-PWM\ Generation4\ CH4=TIM_CHANNEL_4
+TIM3.IPParameters=Channel-PWM Generation1 CH1,Channel-PWM Generation2 CH2,Channel-PWM Generation3 CH3,Channel-PWM Generation4 CH4
 USART2.IPParameters=VirtualMode
 USART2.VirtualMode=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+VP_TIM3_VS_ClockSourceINT.Mode=Internal
+VP_TIM3_VS_ClockSourceINT.Signal=TIM3_VS_ClockSourceINT
 board=NUCLEO-F411RE
 boardIOC=true
--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc/main.h
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc/main.h
@@ -70,6 +70,8 @@ extern "C" {

 /* USER CODE END EM */

+void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
+
 /* Exported functions prototypes ---------------------------------------------*/
 void Error_Handler(void);

--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc/stm32f4xx_hal_conf.h
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Inc/stm32f4xx_hal_conf.h
@@ -74,7 +74,7 @@
 /* #define HAL_SD_MODULE_ENABLED   */
 /* #define HAL_MMC_MODULE_ENABLED   */
 /* #define HAL_SPI_MODULE_ENABLED   */
-/* #define HAL_TIM_MODULE_ENABLED   */
+#define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED
 /* #define HAL_USART_MODULE_ENABLED   */
 /* #define HAL_IRDA_MODULE_ENABLED   */
--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src/main.c
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src/main.c
@@ -62,6 +62,8 @@
 /* USER CODE END PM */

 /* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim3;
+
 UART_HandleTypeDef huart2;

 /* USER CODE BEGIN PV */
@@ -72,6 +74,7 @@ UART_HandleTypeDef huart2;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART2_UART_Init(void);
+static void MX_TIM3_Init(void);
 /* USER CODE BEGIN PFP */

 /* USER CODE END PFP */
@@ -110,6 +113,7 @@ int main(void)
  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART2_UART_Init();
+  MX_TIM3_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */
@@ -167,6 +171,76 @@ void SystemClock_Config(void)
  }
 }

+/**
+  * @brief TIM3 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM3_Init(void)
+{
+
+  /* USER CODE BEGIN TIM3_Init 0 */
+
+  /* USER CODE END TIM3_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+  TIM_OC_InitTypeDef sConfigOC = {0};
+
+  /* USER CODE BEGIN TIM3_Init 1 */
+
+  /* USER CODE END TIM3_Init 1 */
+  htim3.Instance = TIM3;
+  htim3.Init.Prescaler = 0;
+  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim3.Init.Period = 0;
+  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sConfigOC.OCMode = TIM_OCMODE_PWM1;
+  sConfigOC.Pulse = 0;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM3_Init 2 */
+
+  /* USER CODE END TIM3_Init 2 */
+  HAL_TIM_MspPostInit(&htim3);
+
+}
+
 /**
  * @brief USART2 Initialization Function
  * @param None
--- a/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c
+++ b/bsp/stm32/stm32f411-st-nucleo/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c
@@ -78,7 +78,9 @@
 /* USER CODE BEGIN 0 */

 /* USER CODE END 0 */
-/**
+                        
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
+                    /**
  * Initializes the Global MSP.
  */
 void HAL_MspInit(void)
@@ -99,6 +101,91 @@ void HAL_MspInit(void)
  /* USER CODE END MspInit 1 */
 }

+/**
+* @brief TIM_Base MSP Initialization
+* This function configures the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+
+  if(htim_base->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspInit 0 */
+
+  /* USER CODE END TIM3_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM3_CLK_ENABLE();
+  /* USER CODE BEGIN TIM3_MspInit 1 */
+
+  /* USER CODE END TIM3_MspInit 1 */
+  }
+
+}
+
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(htim->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspPostInit 0 */
+
+  /* USER CODE END TIM3_MspPostInit 0 */
+  
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    /**TIM3 GPIO Configuration    
+    PA6     ------> TIM3_CH1
+    PA7     ------> TIM3_CH2
+    PB0     ------> TIM3_CH3
+    PB1     ------> TIM3_CH4 
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN TIM3_MspPostInit 1 */
+
+  /* USER CODE END TIM3_MspPostInit 1 */
+  }
+
+}
+/**
+* @brief TIM_Base MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+
+  if(htim_base->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspDeInit 0 */
+
+  /* USER CODE END TIM3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM3_CLK_DISABLE();
+  /* USER CODE BEGIN TIM3_MspDeInit 1 */
+
+  /* USER CODE END TIM3_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example
--- a/bsp/stm32/stm32f411-st-nucleo/board/Kconfig
+++ b/bsp/stm32/stm32f411-st-nucleo/board/Kconfig
@@ -31,6 +31,50 @@ menu "On-chip Peripheral Drivers"
                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 0 80
+                default 30
+            config BSP_I2C1_SDA_PIN
+                int "I2C1 sda pin number"
+                range 0 80
+                default 31
+        endif
+
+    menuconfig BSP_USING_PWM
+        bool "Enable pwm"
+        default n
+        select RT_USING_PWM
+        if BSP_USING_PWM
+        menuconfig BSP_USING_PWM3
+            bool "Enable timer3 output pwm"
+            default n
+            if BSP_USING_PWM3
+                config BSP_USING_PWM3_CH1
+                    bool "Enable PWM3 channel1 (PA6)"
+                    default n
+
+                config BSP_USING_PWM3_CH2
+                    bool "Enable PWM3 channel2 (PA7)"
+                    default n
+
+                config BSP_USING_PWM3_CH3
+                    bool "Enable PWM3 channel3 (PB0)"
+                    default n
+
+                config BSP_USING_PWM3_CH4
+                    bool "Enable PWM3 channel4 (PB1)"
+                    default n
+            endif
+        endif
+
    config BSP_USING_ON_CHIP_FLASH
        bool "Enable on-chip FLASH"
        default n
--- a/bsp/stm32/stm32f411-st-nucleo/board/board.c
+++ b/bsp/stm32/stm32f411-st-nucleo/board/board.c
@@ -21,9 +21,8 @@ void SystemClock_Config(void)
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /**Initializes the CPU, AHB and APB busses clocks 
  */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
-  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 4;
--- a/bsp/stm32/stm32f411-st-nucleo/project.uvoptx
+++ b/bsp/stm32/stm32f411-st-nucleo/project.uvoptx
--- a/bsp/stm32/stm32f411-st-nucleo/project.uvprojx
+++ b/bsp/stm32/stm32f411-st-nucleo/project.uvprojx
--- a/bsp/stm32/stm32f411-st-nucleo/rtconfig.h
+++ b/bsp/stm32/stm32f411-st-nucleo/rtconfig.h
@@ -39,7 +39,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #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
@@ -78,6 +78,7 @@
 #define RT_USING_DEVICE_IPC
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
+#define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN

 /* Using WiFi */