[bsp]stm32f103keysking:add uart3

Author: QianJiu05

bsp/stm32/stm32f103-keysking-learning/.config

@@ -1389,6 +1389,7 @@ CONFIG_BSP_USING_GPIO=y
 CONFIG_BSP_USING_UART=y
 CONFIG_BSP_STM32_UART_V1_TX_TIMEOUT=2000
 CONFIG_BSP_USING_UART2=y
+CONFIG_BSP_USING_UART3=y
 # CONFIG_BSP_USING_UDID is not set
 # end of On-chip Peripheral Drivers
 

bsp/stm32/stm32f103-keysking-learning/README.md

@@ -41,12 +41,12 @@ Keysking学习板是B站UP主Keysking推出的一块基于ARM Cortex-M3内核的
 
 本BSP目前对外设的支持情况如下：
 
-| 板载外设     | 支持情况     | 备注      |
-| -------- |:--------:| ------- |
-| USB转串口   | 支持       | UART2   |
-| **片上外设** | **支持情况** | **备注**  |
-| GPIO     | 支持       |         |
-| UART     | 支持       | UART1,2 |
+| 板载外设     | 支持情况     | 备注          |
+| -------- |:--------:| ----------- |
+| USB转串口   | 支持       | UART2 |
+| **片上外设** | **支持情况** | **备注**      |
+| GPIO     | 支持       |             |
+| UART     | 支持       | UART2,3     |
 
 ## 使用说明
 
@@ -121,3 +121,5 @@ STM32F103C8T6的Flash在官方文档中的大小是64KB，但是其实该芯片
 维护人: 
 
 * qianjiuyuan, 邮箱:<[email protected]>
+
+

bsp/stm32/stm32f103-keysking-learning/board/CubeMX_Config/CubeMX_Config.ioc

@@ -11,19 +11,22 @@ Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SYS
 Mcu.IP3=USART2
-Mcu.IPNb=4
+Mcu.IP4=USART3
+Mcu.IPNb=5
 Mcu.Name=STM32F103C(8-B)Tx
 Mcu.Package=LQFP48
 Mcu.Pin0=PC14-OSC32_IN
 Mcu.Pin1=PC15-OSC32_OUT
+Mcu.Pin10=VP_SYS_VS_Systick
 Mcu.Pin2=PD0-OSC_IN
 Mcu.Pin3=PD1-OSC_OUT
 Mcu.Pin4=PA2
 Mcu.Pin5=PA3
-Mcu.Pin6=PA13
-Mcu.Pin7=PA14
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.PinsNb=9
+Mcu.Pin6=PB10
+Mcu.Pin7=PB11
+Mcu.Pin8=PA13
+Mcu.Pin9=PA14
+Mcu.PinsNb=11
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103C8Tx
@@ -52,6 +55,10 @@ PA3.GPIOParameters=GPIO_PuPd
 PA3.GPIO_PuPd=GPIO_PULLUP
 PA3.Mode=Asynchronous
 PA3.Signal=USART2_RX
+PB10.Mode=Asynchronous
+PB10.Signal=USART3_TX
+PB11.Mode=Asynchronous
+PB11.Signal=USART3_RX
 PC14-OSC32_IN.Mode=LSE-External-Oscillator
 PC14-OSC32_IN.Signal=RCC_OSC32_IN
 PC15-OSC32_OUT.Mode=LSE-External-Oscillator
@@ -91,7 +98,7 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 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_USART1_UART_Init-USART1-false-HAL-true,5-MX_USART3_UART_Init-USART3-false-HAL-true
 RCC.ADCFreqValue=12000000
 RCC.ADCPresc=RCC_ADCPCLK2_DIV6
 RCC.AHBFreq_Value=72000000
@@ -117,6 +124,8 @@ RCC.USBPrescaler=RCC_USBCLKSOURCE_PLL_DIV1_5
 RCC.VCOOutput2Freq_Value=8000000
 USART2.IPParameters=VirtualMode
 USART2.VirtualMode=VM_ASYNC
+USART3.IPParameters=VirtualMode
+USART3.VirtualMode=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=custom

bsp/stm32/stm32f103-keysking-learning/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c

@@ -20,7 +20,7 @@
 /* USER CODE END Header */
 
 /* Includes ------------------------------------------------------------------*/
-// #include "main.h"
+#include "main.h"
 /* USER CODE BEGIN Includes */
 #include <drv_common.h>
 /* USER CODE END Includes */
@@ -117,6 +117,33 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
 
   /* USER CODE END USART2_MspInit 1 */
   }
+  else if(huart->Instance==USART3)
+  {
+  /* USER CODE BEGIN USART3_MspInit 0 */
+
+  /* USER CODE END USART3_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_USART3_CLK_ENABLE();
+
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    /**USART3 GPIO Configuration
+    PB10     ------> USART3_TX
+    PB11     ------> USART3_RX
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_10;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_11;
+    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN USART3_MspInit 1 */
+
+  /* USER CODE END USART3_MspInit 1 */
+  }
 
 }
 
@@ -146,6 +173,24 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
 
   /* USER CODE END USART2_MspDeInit 1 */
   }
+  else if(huart->Instance==USART3)
+  {
+  /* USER CODE BEGIN USART3_MspDeInit 0 */
+
+  /* USER CODE END USART3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_USART3_CLK_DISABLE();
+
+    /**USART3 GPIO Configuration
+    PB10     ------> USART3_TX
+    PB11     ------> USART3_RX
+    */
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);
+
+  /* USER CODE BEGIN USART3_MspDeInit 1 */
+
+  /* USER CODE END USART3_MspDeInit 1 */
+  }
 
 }
 

bsp/stm32/stm32f103-keysking-learning/board/Kconfig

@@ -23,14 +23,16 @@ menu "On-chip Peripheral Drivers"
         select RT_USING_SERIAL
 
         if BSP_USING_UART
-            
             config BSP_STM32_UART_V1_TX_TIMEOUT
                 int "UART TX timeout"
                 default 2000
                 depends on RT_USING_SERIAL_V1
             config BSP_USING_UART2
                 bool "Enable UART2"
                 default y
+            config BSP_USING_UART3
+                bool "Enable UART3"
+                default y
 
             #config BSP_UART2_RX_USING_DMA
             #    bool "Enable UART2 RX DMA"

bsp/stm32/stm32f103-keysking-learning/rtconfig.h

@@ -411,6 +411,7 @@
 #define BSP_USING_UART
 #define BSP_STM32_UART_V1_TX_TIMEOUT 2000
 #define BSP_USING_UART2
+#define BSP_USING_UART3
 /* end of On-chip Peripheral Drivers */
 
 /* Board extended module Drivers */