使用cubemx生成的虚拟串口程序，在调试过程中，单次上电通讯正常，重新插拔后，单片机进入死循环。
初始化
#include "usb_device.h"
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_cdc.h"
#include "usbd_cdc_if.h"
USBD_HandleTypeDef hUsbDeviceFS;
void MX_USB_DEVICE_Init(void)
{
/* USER CODE BEGIN USB_DEVICE_Init_PreTreatment */
/* USER CODE END USB_DEVICE_Init_PreTreatment */
/* Init Device Library, add supported class and start the library. */
if (USBD_Init(&hUsbDeviceFS, &FS_Desc, DEVICE_FS) != USBD_OK)
{
Error_Handler();
}
if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_CDC) != USBD_OK)
{
Error_Handler();
}
if (USBD_CDC_RegisterInterface(&hUsbDeviceFS, &USBD_Interface_fops_FS) != USBD_OK)
{
Error_Handler();
}
if (USBD_Start(&hUsbDeviceFS) != USBD_OK)
{
Error_Handler();
}
}
usbd_conf.c
#include "stm32f1xx.h"
#include "stm32f1xx_hal.h"
#include "usbd_def.h"
#include "usbd_core.h"
#include "usbd_cdc.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PV */
PCD_HandleTypeDef hpcd_USB_FS;
void Error_Handler(void);
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* Private functions ---------------------------------------------------------*/
static USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status);
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
else
void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
/*******************************************************************************
LL Driver Callbacks (PCD -> USB Device Library)
*******************************************************************************/
/* MSP Init */
void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
{
if(pcdHandle->Instance==USB)
{
/* USER CODE BEGIN USB_MspInit 0 */
/* USER CODE END USB_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_USB_CLK_ENABLE();
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
/* USER CODE BEGIN USB_MspInit 1 */
/* USER CODE END USB_MspInit 1 */
}
}
void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
{
if(pcdHandle->Instance==USB)
{
/* USER CODE BEGIN USB_MspDeInit 0 */
/* USER CODE END USB_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USB_CLK_DISABLE();
/* Peripheral interrupt Deinit*/
HAL_NVIC_DisableIRQ(USB_LP_CAN1_RX0_IRQn);
/* USER CODE BEGIN USB_MspDeInit 1 */
/* USER CODE END USB_MspDeInit 1 */
}
}
/**
* @brief Setup stage callback
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup);
}
/**
* @brief Data Out stage callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint number
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#else
void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
}
/**
* @brief Data In stage callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint number
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#else
void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
}
/**
* @brief SOF callback.
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
}
/**
* @brief Reset callback.
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
if ( hpcd->Init.speed != PCD_SPEED_FULL)
{
Error_Handler();
}
/* Set Speed. */
USBD_LL_SetSpeed((USBD_HandleTypeDef*)hpcd->pData, speed);
/* Reset Device. */
USBD_LL_Reset((USBD_HandleTypeDef*)hpcd->pData);
}
/**
* @brief Suspend callback.
* When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
/* Inform USB library that core enters in suspend Mode. */
USBD_LL_Suspend((USBD_HandleTypeDef*)hpcd->pData);
/* Enter in STOP mode. */
/* USER CODE BEGIN 2 */
if (hpcd->Init.low_power_enable)
{
/* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register. */
SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
}
/* USER CODE END 2 */
}
/**
* @brief Resume callback.
* When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
/* USER CODE BEGIN 3 */
/* USER CODE END 3 */
USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData);
}
/**
* @brief ISOOUTIncomplete callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint number
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#else
void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
}
/**
* @brief ISOINIncomplete callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint number
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#else
void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
}
/**
* @brief Connect callback.
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
}
/**
* @brief Disconnect callback.
* @param hpcd: PCD handle
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
#else
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData);
}
/*******************************************************************************
LL Driver Interface (USB Device Library --> PCD)
*******************************************************************************/
/**
* @brief Initializes the low level portion of the device driver.
* @param pdev: Device handle
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
{
/* Init USB Ip. */
/* Link the driver to the stack. */
hpcd_USB_FS.pData = pdev;
pdev->pData = &hpcd_USB_FS;
hpcd_USB_FS.Instance = USB;
hpcd_USB_FS.Init.dev_endpoints = 8;
hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
hpcd_USB_FS.Init.low_power_enable = DISABLE;
hpcd_USB_FS.Init.lpm_enable = DISABLE;
hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
{
Error_Handler( );
}
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
/* Register USB PCD CallBacks */
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SOF_CB_ID, PCD_SOFCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SETUPSTAGE_CB_ID, PCD_SetupStageCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESET_CB_ID, PCD_ResetCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SUSPEND_CB_ID, PCD_SuspendCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESUME_CB_ID, PCD_ResumeCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_CONNECT_CB_ID, PCD_ConnectCallback);
HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_DISCONNECT_CB_ID, PCD_DisconnectCallback);
HAL_PCD_RegisterDataOutStageCallback(&hpcd_USB_FS, PCD_DataOutStageCallback);
HAL_PCD_RegisterDataInStageCallback(&hpcd_USB_FS, PCD_DataInStageCallback);
HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_FS, PCD_ISOOUTIncompleteCallback);
HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_FS, PCD_ISOINIncompleteCallback);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
/* USER CODE BEGIN EndPoint_Configuration */
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x00 , PCD_SNG_BUF, 0x18);
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x80 , PCD_SNG_BUF, 0x58);
/* USER CODE END EndPoint_Configuration */
/* USER CODE BEGIN EndPoint_Configuration_CDC */
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x81 , PCD_SNG_BUF, 0xC0);
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x01 , PCD_SNG_BUF, 0x110);
HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x82 , PCD_SNG_BUF, 0x100);
/* USER CODE END EndPoint_Configuration_CDC */
return USBD_OK;
}
/**
* @brief De-Initializes the low level portion of the device driver.
* @param pdev: Device handle
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_DeInit(pdev->pData);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Starts the low level portion of the device driver.
* @param pdev: Device handle
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_Start(pdev->pData);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Stops the low level portion of the device driver.
* @param pdev: Device handle
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_Stop(pdev->pData);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Opens an endpoint of the low level driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @param ep_type: Endpoint type
* @param ep_mps: Endpoint max packet size
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Closes an endpoint of the low level driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Flushes an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Sets a Stall condition on an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Clears a Stall condition on an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Returns Stall condition.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval Stall (1: Yes, 0: No)
*/
uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
PCD_HandleTypeDef *hpcd = (PCD_HandleTypeDef*) pdev->pData;
if((ep_addr & 0x80) == 0x80)
{
return hpcd->IN_ep[ep_addr & 0x7F].is_stall;
}
else
{
return hpcd->OUT_ep[ep_addr & 0x7F].is_stall;
}
}
/**
* @brief Assigns a USB address to the device.
* @param pdev: Device handle
* @param dev_addr: Device address
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Transmits data over an endpoint.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @param pbuf: Pointer to data to be sent
* @param size: Data size
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Prepares an endpoint for reception.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @param pbuf: Pointer to data to be received
* @param size: Data size
* @retval USBD status
*/
USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
{
HAL_StatusTypeDef hal_status = HAL_OK;
USBD_StatusTypeDef usb_status = USBD_OK;
hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
usb_status = USBD_Get_USB_Status(hal_status);
return usb_status;
}
/**
* @brief Returns the last transfered packet size.
* @param pdev: Device handle
* @param ep_addr: Endpoint number
* @retval Recived Data Size
*/
uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
return HAL_PCD_EP_GetRxCount((PCD_HandleTypeDef*) pdev->pData, ep_addr);
}
/**
* @brief Delays routine for the USB device library.
* @param Delay: Delay in ms
* @retval None
*/
void USBD_LL_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/**
* @brief Static single allocation.
* @param size: Size of allocated memory
* @retval None
*/
void *USBD_static_malloc(uint32_t size)
{
static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef)/4)+1];/* On 32-bit boundary */
return mem;
}
/**
* @brief Dummy memory free
* @param p: Pointer to allocated memory address
* @retval None
*/
void USBD_static_free(void *p)
{
}
/**
* @brief Software Device Connection
* @param hpcd: PCD handle
* @param state: Connection state (0: disconnected / 1: connected)
* @retval None
*/
#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
#else
void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
/* USER CODE BEGIN 6 */
if (state == 1)
{
/* Configure Low connection state. */
}
else
{
/* Configure High connection state. */
}
/* USER CODE END 6 */
}
/**
* @brief Retuns the USB status depending on the HAL status:
* @param hal_status: HAL status
* @retval USB status
*/
USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status)
{
USBD_StatusTypeDef usb_status = USBD_OK;
switch (hal_status)
{
case HAL_OK :
usb_status = USBD_OK;
break;
case HAL_ERROR :
usb_status = USBD_FAIL;
break;
case HAL_BUSY :
usb_status = USBD_BUSY;
break;
case HAL_TIMEOUT :
usb_status = USBD_FAIL;
break;
default :
usb_status = USBD_FAIL;
break;
}
return usb_status;
}
usbd_conf.h
#ifndef __USBD_CONF__H__
#define __USBD_CONF__H__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "main.h"
#include "stm32f1xx.h"
#include "stm32f1xx_hal.h"
/* USER CODE BEGIN INCLUDE */
/* USER CODE END INCLUDE */
/** @addtogroup USBD_OTG_DRIVER
* @{
*/
/** @defgroup USBD_CONF USBD_CONF
* @brief Configuration file for Usb otg low level driver.
* @{
*/
/** @defgroup USBD_CONF_Exported_Variables USBD_CONF_Exported_Variables
* @brief Public variables.
* @{
*/
/**
* @}
*/
/** @defgroup USBD_CONF_Exported_Defines USBD_CONF_Exported_Defines
* @brief Defines for configuration of the Usb device.
* @{
*/
/*---------- -----------*/
#define USBD_MAX_NUM_INTERFACES 1
/*---------- -----------*/
#define USBD_MAX_NUM_CONFIGURATION 1
/*---------- -----------*/
#define USBD_MAX_STR_DESC_SIZ 512
/*---------- -----------*/
#define USBD_DEBUG_LEVEL 0
/*---------- -----------*/
#define USBD_SELF_POWERED 1
/*---------- -----------*/
#define MAX_STATIC_ALLOC_SIZE 512
/****************************************/
/* #define for FS and HS identification */
#define DEVICE_FS 0
/**
* @}
*/
/** @defgroup USBD_CONF_Exported_Macros USBD_CONF_Exported_Macros
* @brief Aliases.
* @{
*/
/* Memory management macros */
/** Alias for memory allocation. */
#define USBD_malloc (uint32_t *)USBD_static_malloc
/** Alias for memory release. */
#define USBD_free USBD_static_free
/** Alias for memory set. */
#define USBD_memset /* Not used */
/** Alias for memory copy. */
#define USBD_memcpy /* Not used */
/** Alias for delay. */
#define USBD_Delay HAL_Delay
/* For footprint reasons and since only one allocation is handled in the HID class
driver, the malloc/free is changed into a static allocation method */
void *USBD_static_malloc(uint32_t size);
void USBD_static_free(void *p);
/* DEBUG macros */
#if (USBD_DEBUG_LEVEL > 0)
#define USBD_UsrLog(...) printf(__VA_ARGS__);\
printf("\n");
#else
#define USBD_UsrLog(...)
#endif
#if (USBD_DEBUG_LEVEL > 1)
#define USBD_ErrLog(...) printf("ERROR: ") ;\
printf(__VA_ARGS__);\
printf("\n");
#else
#define USBD_ErrLog(...)
#endif
#if (USBD_DEBUG_LEVEL > 2)
#define USBD_DbgLog(...) printf("DEBUG : ") ;\
printf(__VA_ARGS__);\
printf("\n");
#else
#define USBD_DbgLog(...)
#endif
/**
* @}
*/
/** @defgroup USBD_CONF_Exported_Types USBD_CONF_Exported_Types
* @brief Types.
* @{
*/
/**
* @}
*/
/** @defgroup USBD_CONF_Exported_FunctionsPrototype USBD_CONF_Exported_FunctionsPrototype
* @brief Declaration of public functions for Usb device.
* @{
*/
/* Exported functions -------------------------------------------------------*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __USBD_CONF__H__ */
usbd_desc.c
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"
/* USER CODE BEGIN INCLUDE */
/* USER CODE END INCLUDE */
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PV */
/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
* @{
*/
/** @addtogroup USBD_DESC
* @{
*/
/** @defgroup USBD_DESC_Private_TypesDefinitions USBD_DESC_Private_TypesDefinitions
* @brief Private types.
* @{
*/
/* USER CODE BEGIN PRIVATE_TYPES */
/* USER CODE END PRIVATE_TYPES */
/**
* @}
*/
/** @defgroup USBD_DESC_Private_Defines USBD_DESC_Private_Defines
* @brief Private defines.
* @{
*/
#define USBD_VID 1155
#define USBD_LANGID_STRING 1033
#define USBD_MANUFACTURER_STRING "STMicroelectronics"
#define USBD_PID_FS 22336
#define USBD_PRODUCT_STRING_FS "STM32 Virtual ComPort"
#define USBD_CONFIGURATION_STRING_FS "CDC Config"
#define USBD_INTERFACE_STRING_FS "CDC Interface"
/* USER CODE BEGIN PRIVATE_DEFINES */
/* USER CODE END PRIVATE_DEFINES */
/**
* @}
*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/** @defgroup USBD_DESC_Private_Macros USBD_DESC_Private_Macros
* @brief Private macros.
* @{
*/
/* USER CODE BEGIN PRIVATE_MACRO */
/* USER CODE END PRIVATE_MACRO */
/**
* @}
*/
/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
* @brief Private functions declaration.
* @{
*/
static void Get_SerialNum(void);
static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len);
/**
* @}
*/
/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
* @brief Private functions declaration for FS.
* @{
*/
uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
/**
* @}
*/
/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
* @brief Private variables.
* @{
*/
USBD_DescriptorsTypeDef FS_Desc =
{
USBD_FS_DeviceDescriptor
, USBD_FS_LangIDStrDescriptor
, USBD_FS_ManufacturerStrDescriptor
, USBD_FS_ProductStrDescriptor
, USBD_FS_SerialStrDescriptor
, USBD_FS_ConfigStrDescriptor
, USBD_FS_InterfaceStrDescriptor
};
#if defined ( __ICCARM__ ) /* IAR Compiler */
#pragma data_alignment=4
#endif /* defined ( __ICCARM__ ) */
/** USB standard device descriptor. */
__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
{
0x12, /*bLength */
USB_DESC_TYPE_DEVICE, /*bDescriptorType*/
0x00, /*bcdUSB */
0x02,
0x02, /*bDeviceClass*/
0x02, /*bDeviceSubClass*/
0x00, /*bDeviceProtocol*/
USB_MAX_EP0_SIZE, /*bMaxPacketSize*/
LOBYTE(USBD_VID), /*idVendor*/
HIBYTE(USBD_VID), /*idVendor*/
LOBYTE(USBD_PID_FS), /*idProduct*/
HIBYTE(USBD_PID_FS), /*idProduct*/
0x00, /*bcdDevice rel. 2.00*/
0x02,
USBD_IDX_MFC_STR, /*Index of manufacturer string*/
USBD_IDX_PRODUCT_STR, /*Index of product string*/
USBD_IDX_SERIAL_STR, /*Index of serial number string*/
USBD_MAX_NUM_CONFIGURATION /*bNumConfigurations*/
};
/* USB_DeviceDescriptor */
/**
* @}
*/
/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
* @brief Private variables.
* @{
*/
#if defined ( __ICCARM__ ) /* IAR Compiler */
#pragma data_alignment=4
#endif /* defined ( __ICCARM__ ) */
/** USB lang indentifier descriptor. */
__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
{
USB_LEN_LANGID_STR_DESC,
USB_DESC_TYPE_STRING,
LOBYTE(USBD_LANGID_STRING),
HIBYTE(USBD_LANGID_STRING)
};
#if defined ( __ICCARM__ ) /* IAR Compiler */
#pragma data_alignment=4
#endif /* defined ( __ICCARM__ ) */
/* Internal string descriptor. */
__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END = {
USB_SIZ_STRING_SERIAL,
USB_DESC_TYPE_STRING,
};
/**
* @}
*/
/** @defgroup USBD_DESC_Private_Functions USBD_DESC_Private_Functions
* @brief Private functions.
* @{
*/
/**
* @brief Return the device descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = sizeof(USBD_FS_DeviceDesc);
return USBD_FS_DeviceDesc;
}
/**
* @brief Return the LangID string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = sizeof(USBD_LangIDDesc);
return USBD_LangIDDesc;
}
/**
* @brief Return the product string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == 0)
{
USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Return the manufacturer string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
return USBD_StrDesc;
}
/**
* @brief Return the serial number string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
UNUSED(speed);
*length = USB_SIZ_STRING_SERIAL;
/* Update the serial number string descriptor with the data from the unique
* ID */
Get_SerialNum();
/* USER CODE BEGIN USBD_FS_SerialStrDescriptor */
/* USER CODE END USBD_FS_SerialStrDescriptor */
return (uint8_t *) USBD_StringSerial;
}
/**
* @brief Return the configuration string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Return the interface string descriptor
* @param speed : Current device speed
* @param length : Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == 0)
{
USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Create the serial number string descriptor
* @param None
* @retval None
*/
static void Get_SerialNum(void)
{
uint32_t deviceserial0, deviceserial1, deviceserial2;
deviceserial0 = *(uint32_t *) DEVICE_ID1;
deviceserial1 = *(uint32_t *) DEVICE_ID2;
deviceserial2 = *(uint32_t *) DEVICE_ID3;
deviceserial0 += deviceserial2;
if (deviceserial0 != 0)
{
IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8);
IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4);
}
}
/**
* @brief Convert Hex 32Bits value into char
* @param value: value to convert
* @param pbuf: pointer to the buffer
* @param len: buffer length
* @retval None
*/
static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len)
{
uint8_t idx = 0;
for (idx = 0; idx < len; idx++)
{
if (((value >> 28)) < 0xA)
{
pbuf[2 * idx] = (value >> 28) + '0';
}
else
{
pbuf[2 * idx] = (value >> 28) + 'A' - 10;
}
value = value << 4;
pbuf[2 * idx + 1] = 0;
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
usbd_desc.h
#ifndef __USBD_DESC__C__
#define __USBD_DESC__C__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "usbd_def.h"
/* USER CODE BEGIN INCLUDE */
/* USER CODE END INCLUDE */
/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
* @{
*/
/** @defgroup USBD_DESC USBD_DESC
* @brief Usb device descriptors module.
* @{
*/
/** @defgroup USBD_DESC_Exported_Constants USBD_DESC_Exported_Constants
* @brief Constants.
* @{
*/
#define DEVICE_ID1 (UID_BASE)
#define DEVICE_ID2 (UID_BASE + 0x4)
#define DEVICE_ID3 (UID_BASE + 0x8)
#define USB_SIZ_STRING_SERIAL 0x1A
/* USER CODE BEGIN EXPORTED_CONSTANTS */
/* USER CODE END EXPORTED_CONSTANTS */
/**
* @}
*/
/** @defgroup USBD_DESC_Exported_Defines USBD_DESC_Exported_Defines
* @brief Defines.
* @{
*/
/* USER CODE BEGIN EXPORTED_DEFINES */
/* USER CODE END EXPORTED_DEFINES */
/**
* @}
*/
/** @defgroup USBD_DESC_Exported_TypesDefinitions USBD_DESC_Exported_TypesDefinitions
* @brief Types.
* @{
*/
/* USER CODE BEGIN EXPORTED_TYPES */
/* USER CODE END EXPORTED_TYPES */
/**
* @}
*/
/** @defgroup USBD_DESC_Exported_Macros USBD_DESC_Exported_Macros
* @brief Aliases.
* @{
*/
/* USER CODE BEGIN EXPORTED_MACRO */
/* USER CODE END EXPORTED_MACRO */
/**
* @}
*/
/** @defgroup USBD_DESC_Exported_Variables USBD_DESC_Exported_Variables
* @brief Public variables.
* @{
*/
/** Descriptor for the Usb device. */
extern USBD_DescriptorsTypeDef FS_Desc;
/* USER CODE BEGIN EXPORTED_VARIABLES */
/* USER CODE END EXPORTED_VARIABLES */
/**
* @}
*/
/** @defgroup USBD_DESC_Exported_FunctionsPrototype USBD_DESC_Exported_FunctionsPrototype
* @brief Public functions declaration.
* @{
*/
/* USER CODE BEGIN EXPORTED_FUNCTIONS */
/* USER CODE END EXPORTED_FUNCTIONS */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __USBD_DESC__C__ */
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