[Upload Code]: UART2 BLE module idle + dma

README.md

@@ -53,7 +53,7 @@
 |:---------- |:--------------------- |:------------------ |
 | 2025-05-12 | 创建工程框架，配置时钟、GPIO、串口   | 使用 STM32CubeMX 初始化 |
 | 2025-05-13 | 操作系统移植完成，RTT-Viewer完成 | 设备初步调试             |
-| 2025-05-14 | 增加Shell控制台            | 增加调试接口             |
+| 2025-05-14 | 增加Shell控制台、增加串口2用于蓝牙  | 增加调试接口             |
 
 ---
 

XM01_BLE/XM-01/.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "stm32l4xx_it.h": "c",
+        "main.h": "c"
+    }
+}

XM01_BLE/XM-01/Core/Inc/dma.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.h
+  * @brief   This file contains all the function prototypes for
+  *          the dma.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DMA_H__
+#define __DMA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* DMA memory to memory transfer handles -------------------------------------*/
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_DMA_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DMA_H__ */
+

XM01_BLE/XM-01/Core/Inc/main.h

@@ -57,11 +57,16 @@ void Error_Handler(void);
 /* USER CODE END EFP */
 
 /* Private defines -----------------------------------------------------------*/
+#define BLE_TX_Pin GPIO_PIN_2
+#define BLE_TX_GPIO_Port GPIOA
+#define BLE_RX_Pin GPIO_PIN_3
+#define BLE_RX_GPIO_Port GPIOA
 #define LED_Pin GPIO_PIN_12
 #define LED_GPIO_Port GPIOB
 
 /* USER CODE BEGIN Private defines */
 
+#define RX_BUFFER_SIZE  256
 /* USER CODE END Private defines */
 
 #ifdef __cplusplus

XM01_BLE/XM-01/Core/Inc/stm32l4xx_hal_conf.h

@@ -79,7 +79,7 @@
 /*#define HAL_SWPMI_MODULE_ENABLED   */
 /*#define HAL_TIM_MODULE_ENABLED   */
 /*#define HAL_TSC_MODULE_ENABLED   */
-/*#define HAL_UART_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_WWDG_MODULE_ENABLED   */
 /*#define HAL_EXTI_MODULE_ENABLED   */

XM01_BLE/XM-01/Core/Inc/stm32l4xx_it.h

@@ -51,6 +51,8 @@ void MemManage_Handler(void);
 void BusFault_Handler(void);
 void UsageFault_Handler(void);
 void DebugMon_Handler(void);
+void DMA1_Channel6_IRQHandler(void);
+void USART2_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

XM01_BLE/XM-01/Core/Inc/usart.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    usart.h
+  * @brief   This file contains all the function prototypes for
+  *          the usart.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USART_H__
+#define __USART_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern UART_HandleTypeDef huart2;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_USART2_UART_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+extern uint8_t BLE_rx_buffer[RX_BUFFER_SIZE];
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USART_H__ */
+

XM01_BLE/XM-01/Core/Src/dma.c

@@ -0,0 +1,55 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.c
+  * @brief   This file provides code for the configuration
+  *          of all the requested memory to memory DMA transfers.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2025 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "dma.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*----------------------------------------------------------------------------*/
+/* Configure DMA                                                              */
+/*----------------------------------------------------------------------------*/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+  * Enable DMA controller clock
+  */
+void MX_DMA_Init(void)
+{
+
+  /* DMA controller clock enable */
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  /* DMA interrupt init */
+  /* DMA1_Channel6_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel6_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel6_IRQn);
+
+}
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+

XM01_BLE/XM-01/Core/Src/gpio.c

@@ -46,8 +46,8 @@ void MX_GPIO_Init(void)
 
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOH_CLK_ENABLE();
-  __HAL_RCC_GPIOB_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);

XM01_BLE/XM-01/Core/Src/main.c

@@ -18,6 +18,8 @@
 /* USER CODE END Header */
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
+#include "dma.h"
+#include "usart.h"
 #include "gpio.h"
 
 /* Private includes ----------------------------------------------------------*/
@@ -60,7 +62,7 @@ void SystemClock_Config(void);
 /* 线程入口函数 */
 static void LED_thread_entry(void *parameter)
 {
-  SEGGER_RTT_printf(0, "Thread1 started with parameter: %s\n", (char *)parameter);
+  rt_kprintf("Thread1 started with parameter: %s\n", (char *)parameter);
   while (1)
   {
     HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
@@ -98,8 +100,13 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
+  MX_DMA_Init();
+  MX_USART2_UART_Init();
   /* USER CODE BEGIN 2 */
 
+  __HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);                  // 使能串口IDLE中断
+  HAL_UART_Receive_DMA(&huart2, BLE_rx_buffer, RX_BUFFER_SIZE); // 开启串口接收DMA
+
   /* 创建线程 */
   LED_thread = rt_thread_create("LED_task",       // 线程名称
                                 LED_thread_entry, // 线程入口函数
@@ -113,6 +120,9 @@ int main(void)
     rt_thread_startup(LED_thread);
   else
     rt_kprintf("LED_thread creation failed!\n");
+
+  // rt_thread_mdelay(5000);
+  // HAL_UART_Transmit(&huart2, "Hello this my ble module wake up code", 37, 100); // 发送 数据
   /* USER CODE END 2 */
 
   /* Infinite loop */

XM01_BLE/XM-01/Core/Src/stm32l4xx_it.c

@@ -22,6 +22,7 @@
 #include "stm32l4xx_it.h"
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
+#include "usart.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -55,7 +56,8 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern DMA_HandleTypeDef hdma_usart2_rx;
+extern UART_HandleTypeDef huart2;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -143,6 +145,44 @@ void DebugMon_Handler(void)
 /* please refer to the startup file (startup_stm32l4xx.s).                    */
 /******************************************************************************/
 
+/**
+ * @brief This function handles DMA1 channel6 global interrupt.
+ */
+void DMA1_Channel6_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Channel6_IRQn 0 */
+
+  /* USER CODE END DMA1_Channel6_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_usart2_rx);
+  /* USER CODE BEGIN DMA1_Channel6_IRQn 1 */
+
+  /* USER CODE END DMA1_Channel6_IRQn 1 */
+}
+
+/**
+ * @brief This function handles USART2 global interrupt.
+ */
+void USART2_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART2_IRQn 0 */
+
+  if (__HAL_UART_GET_FLAG(&huart2, UART_FLAG_IDLE) != RESET)
+  { // 判断是否产生IDLE中断
+
+    __HAL_UART_CLEAR_IDLEFLAG(&huart2);                                               // 清除IDLE中断标志位
+    HAL_UART_DMAStop(&huart2);                                                        // 停止DMA接收
+    uint16_t received_length = RX_BUFFER_SIZE - __HAL_DMA_GET_COUNTER(huart2.hdmarx); // 计算实际接收到的数据长度
+    // 业务代码
+    HAL_UART_Transmit(&huart2, BLE_rx_buffer, received_length, 100); // 发送接收到的数据
+    HAL_UART_Receive_DMA(&huart2, BLE_rx_buffer, RX_BUFFER_SIZE);    // 开启DMA接收
+  }
+  /* USER CODE END USART2_IRQn 0 */
+  HAL_UART_IRQHandler(&huart2);
+  /* USER CODE BEGIN USART2_IRQn 1 */
+
+  /* USER CODE END USART2_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

XM01_BLE/XM-01/Core/Src/usart.c

@@ -0,0 +1,154 @@
+/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * @file    usart.c
+ * @brief   This file provides code for the configuration
+ *          of the USART instances.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2025 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "usart.h"
+
+/* USER CODE BEGIN 0 */
+
+uint8_t BLE_rx_buffer[RX_BUFFER_SIZE] = {0}; // DMA搬运目标缓存
+/* USER CODE END 0 */
+
+UART_HandleTypeDef huart2;
+DMA_HandleTypeDef hdma_usart2_rx;
+
+/* USART2 init function */
+
+void MX_USART2_UART_Init(void)
+{
+
+  /* USER CODE BEGIN USART2_Init 0 */
+
+  /* USER CODE END USART2_Init 0 */
+
+  /* USER CODE BEGIN USART2_Init 1 */
+
+  /* USER CODE END USART2_Init 1 */
+  huart2.Instance = USART2;
+  huart2.Init.BaudRate = 115200;
+  huart2.Init.WordLength = UART_WORDLENGTH_8B;
+  huart2.Init.StopBits = UART_STOPBITS_1;
+  huart2.Init.Parity = UART_PARITY_NONE;
+  huart2.Init.Mode = UART_MODE_TX_RX;
+  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+  huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+  if (HAL_UART_Init(&huart2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN USART2_Init 2 */
+
+  /* USER CODE END USART2_Init 2 */
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef *uartHandle)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  if (uartHandle->Instance == USART2)
+  {
+    /* USER CODE BEGIN USART2_MspInit 0 */
+
+    /* USER CODE END USART2_MspInit 0 */
+
+    /** Initializes the peripherals clock
+     */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
+    PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* USART2 clock enable */
+    __HAL_RCC_USART2_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**USART2 GPIO Configuration
+    PA2     ------> USART2_TX
+    PA3     ------> USART2_RX
+    */
+    GPIO_InitStruct.Pin = BLE_TX_Pin | BLE_RX_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    /* USART2 DMA Init */
+    /* USART2_RX Init */
+    hdma_usart2_rx.Instance = DMA1_Channel6;
+    hdma_usart2_rx.Init.Request = DMA_REQUEST_2;
+    hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+    hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+    hdma_usart2_rx.Init.Mode = DMA_CIRCULAR;
+    hdma_usart2_rx.Init.Priority = DMA_PRIORITY_LOW;
+    if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(uartHandle, hdmarx, hdma_usart2_rx);
+
+    /* USART2 interrupt Init */
+    HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(USART2_IRQn);
+    /* USER CODE BEGIN USART2_MspInit 1 */
+
+    /* USER CODE END USART2_MspInit 1 */
+  }
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef *uartHandle)
+{
+
+  if (uartHandle->Instance == USART2)
+  {
+    /* USER CODE BEGIN USART2_MspDeInit 0 */
+
+    /* USER CODE END USART2_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_USART2_CLK_DISABLE();
+
+    /**USART2 GPIO Configuration
+    PA2     ------> USART2_TX
+    PA3     ------> USART2_RX
+    */
+    HAL_GPIO_DeInit(GPIOA, BLE_TX_Pin | BLE_RX_Pin);
+
+    /* USART2 DMA DeInit */
+    HAL_DMA_DeInit(uartHandle->hdmarx);
+
+    /* USART2 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(USART2_IRQn);
+    /* USER CODE BEGIN USART2_MspDeInit 1 */
+
+    /* USER CODE END USART2_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */

XM01_BLE/XM-01/MDK-ARM/XM-01.uvoptx

@@ -351,6 +351,30 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
+      <PathWithFileName>../Core/Src/dma.c</PathWithFileName>
+      <FilenameWithoutPath>dma.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
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+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>../Core/Src/usart.c</PathWithFileName>
+      <FilenameWithoutPath>usart.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
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@@ -358,7 +382,7 @@
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@@ -378,7 +402,7 @@
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@@ -402,7 +426,7 @@
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@@ -414,7 +438,7 @@
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@@ -426,7 +450,7 @@
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@@ -438,7 +462,7 @@
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@@ -450,7 +474,7 @@
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@@ -462,7 +486,7 @@
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+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c</PathWithFileName>
+      <FilenameWithoutPath>stm32l4xx_hal_uart_ex.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
@@ -566,7 +614,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>21</FileNumber>
+      <FileNumber>25</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -586,7 +634,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <FileNumber>26</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -598,7 +646,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <FileNumber>27</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -626,7 +674,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>7</GroupNumber>
-      <FileNumber>52</FileNumber>
+      <FileNumber>56</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -638,7 +686,7 @@
     </File>
     <File>
       <GroupNumber>7</GroupNumber>
-      <FileNumber>53</FileNumber>
+      <FileNumber>57</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -650,7 +698,7 @@
     </File>
     <File>
       <GroupNumber>7</GroupNumber>
-      <FileNumber>54</FileNumber>
+      <FileNumber>58</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -662,7 +710,7 @@
     </File>
     <File>
       <GroupNumber>7</GroupNumber>
-      <FileNumber>55</FileNumber>
+      <FileNumber>59</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -674,7 +722,7 @@
     </File>
     <File>
       <GroupNumber>7</GroupNumber>
-      <FileNumber>56</FileNumber>
+      <FileNumber>60</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -694,7 +742,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>8</GroupNumber>
-      <FileNumber>57</FileNumber>
+      <FileNumber>61</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -706,7 +754,7 @@
     </File>
     <File>
       <GroupNumber>8</GroupNumber>
-      <FileNumber>58</FileNumber>
+      <FileNumber>62</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -726,7 +774,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>59</FileNumber>
+      <FileNumber>63</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -738,7 +786,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>60</FileNumber>
+      <FileNumber>64</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -750,7 +798,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>61</FileNumber>
+      <FileNumber>65</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -762,7 +810,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>62</FileNumber>
+      <FileNumber>66</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -774,7 +822,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>63</FileNumber>
+      <FileNumber>67</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -786,7 +834,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>64</FileNumber>
+      <FileNumber>68</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -798,7 +846,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>65</FileNumber>
+      <FileNumber>69</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -810,7 +858,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>66</FileNumber>
+      <FileNumber>70</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -822,7 +870,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>67</FileNumber>
+      <FileNumber>71</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -834,7 +882,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>68</FileNumber>
+      <FileNumber>72</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -846,7 +894,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>69</FileNumber>
+      <FileNumber>73</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -858,7 +906,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>70</FileNumber>
+      <FileNumber>74</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -870,7 +918,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>71</FileNumber>
+      <FileNumber>75</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -882,7 +930,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>72</FileNumber>
+      <FileNumber>76</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -894,7 +942,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>73</FileNumber>
+      <FileNumber>77</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -906,7 +954,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>74</FileNumber>
+      <FileNumber>78</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -918,7 +966,7 @@
     </File>
     <File>
       <GroupNumber>9</GroupNumber>
-      <FileNumber>75</FileNumber>
+      <FileNumber>79</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>

XM01_BLE/XM-01/MDK-ARM/XM-01.uvprojx

@@ -402,6 +402,118 @@
               <FileType>1</FileType>
               <FilePath>../Core/Src/gpio.c</FilePath>
             </File>
+            <File>
+              <FileName>dma.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Core/Src/dma.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
+            <File>
+              <FileName>usart.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Core/Src/usart.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
             <File>
               <FileName>stm32l4xx_it.c</FileName>
               <FileType>1</FileType>
@@ -492,6 +604,118 @@
               <FileType>1</FileType>
               <FilePath>../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_exti.c</FilePath>
             </File>
+            <File>
+              <FileName>stm32l4xx_hal_uart.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
+            <File>
+              <FileName>stm32l4xx_hal_uart_ex.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
           </Files>
         </Group>
         <Group>

XM01_BLE/XM-01/XM-01.ioc

@@ -2,25 +2,40 @@
 CAD.formats=[]
 CAD.pinconfig=Dual
 CAD.provider=
+Dma.Request0=USART2_RX
+Dma.RequestsNb=1
+Dma.USART2_RX.0.Direction=DMA_PERIPH_TO_MEMORY
+Dma.USART2_RX.0.Instance=DMA1_Channel6
+Dma.USART2_RX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
+Dma.USART2_RX.0.MemInc=DMA_MINC_ENABLE
+Dma.USART2_RX.0.Mode=DMA_CIRCULAR
+Dma.USART2_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+Dma.USART2_RX.0.PeriphInc=DMA_PINC_DISABLE
+Dma.USART2_RX.0.Priority=DMA_PRIORITY_LOW
+Dma.USART2_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
 Mcu.CPN=STM32L431CCT6
 Mcu.Family=STM32L4
-Mcu.IP0=NVIC
+Mcu.IP0=DMA
-Mcu.IP1=RCC
+Mcu.IP1=NVIC
-Mcu.IP2=SYS
+Mcu.IP2=RCC
-Mcu.IPNb=3
+Mcu.IP3=SYS
+Mcu.IP4=USART2
+Mcu.IPNb=5
 Mcu.Name=STM32L431C(B-C)Tx
 Mcu.Package=LQFP48
 Mcu.Pin0=PH0-OSC_IN (PH0)
 Mcu.Pin1=PH1-OSC_OUT (PH1)
-Mcu.Pin2=PB12
+Mcu.Pin2=PA2
-Mcu.Pin3=PA13 (JTMS-SWDIO)
+Mcu.Pin3=PA3
-Mcu.Pin4=PA14 (JTCK-SWCLK)
+Mcu.Pin4=PB12
-Mcu.Pin5=VP_SYS_VS_Systick
+Mcu.Pin5=PA13 (JTMS-SWDIO)
-Mcu.Pin6=VP_RealThread.X-CUBE-RT-Thread_Nano_VS_RTOSJjRTAaThread_4.1.1_4.1.1
+Mcu.Pin6=PA14 (JTCK-SWCLK)
-Mcu.PinsNb=7
+Mcu.Pin7=VP_SYS_VS_Systick
+Mcu.Pin8=VP_RealThread.X-CUBE-RT-Thread_Nano_VS_RTOSJjRTAaThread_4.1.1_4.1.1
+Mcu.PinsNb=9
 Mcu.ThirdParty0=RealThread.X-CUBE-RT-Thread_Nano.4.1.1
 Mcu.ThirdPartyNb=1
 Mcu.UserConstants=
@@ -28,6 +43,7 @@ Mcu.UserName=STM32L431CCTx
 MxCube.Version=6.14.1
 MxDb.Version=DB.6.0.141
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
+NVIC.DMA1_Channel6_IRQn=true\:0\:0\:false\:false\:true\:true\:false\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:false\:false\:false\:false\:false
@@ -40,11 +56,20 @@ NVIC.SavedPendsvIrqHandlerGenerated=true
 NVIC.SavedSvcallIrqHandlerGenerated=true
 NVIC.SavedSystickIrqHandlerGenerated=true
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:false\:false\:false\:true\:false
+NVIC.USART2_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 PA13\ (JTMS-SWDIO).Mode=Serial_Wire
 PA13\ (JTMS-SWDIO).Signal=SYS_JTMS-SWDIO
 PA14\ (JTCK-SWCLK).Mode=Serial_Wire
 PA14\ (JTCK-SWCLK).Signal=SYS_JTCK-SWCLK
+PA2.GPIOParameters=GPIO_Label
+PA2.GPIO_Label=BLE_TX
+PA2.Mode=Asynchronous
+PA2.Signal=USART2_TX
+PA3.GPIOParameters=GPIO_Label
+PA3.GPIO_Label=BLE_RX
+PA3.Mode=Asynchronous
+PA3.Signal=USART2_RX
 PB12.GPIOParameters=GPIO_Speed,PinState,GPIO_PuPd,GPIO_Label
 PB12.GPIO_Label=LED
 PB12.GPIO_PuPd=GPIO_NOPULL
@@ -88,7 +113,7 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_USART2_UART_Init-USART2-false-HAL-true
 RCC.ADCFreq_Value=16000000
 RCC.AHBFreq_Value=80000000
 RCC.APB1Freq_Value=80000000
@@ -146,6 +171,8 @@ RealThread.X-CUBE-RT-Thread_Nano.4.1.1.RT_USING_HEAP=1
 RealThread.X-CUBE-RT-Thread_Nano.4.1.1.RT_USING_SMALL_MEM=1
 RealThread.X-CUBE-RT-Thread_Nano.4.1.1.RT_USING_SMALL_MEM_AS_HEAP=1
 RealThread.X-CUBE-RT-Thread_Nano.4.1.1_SwParameter=RTAaThreadCcRTOSJjshell\:true;RTAaThreadCcRTOSJjlibcpu\:true;RTAaThreadCcRTOSJjkernel\:true;
+USART2.IPParameters=VirtualMode-Asynchronous
+USART2.VirtualMode-Asynchronous=VM_ASYNC
 VP_RealThread.X-CUBE-RT-Thread_Nano_VS_RTOSJjRTAaThread_4.1.1_4.1.1.Mode=RTOSJjRTAaThread
 VP_RealThread.X-CUBE-RT-Thread_Nano_VS_RTOSJjRTAaThread_4.1.1_4.1.1.Signal=RealThread.X-CUBE-RT-Thread_Nano_VS_RTOSJjRTAaThread_4.1.1_4.1.1
 VP_SYS_VS_Systick.Mode=SysTick