diff options
Diffstat (limited to 'Projects/NUCLEO-WB35CE/Applications/USB_Device/HID_Standalone/USB_Device/App/usb_device.c')
| -rw-r--r-- | Projects/NUCLEO-WB35CE/Applications/USB_Device/HID_Standalone/USB_Device/App/usb_device.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/Projects/NUCLEO-WB35CE/Applications/USB_Device/HID_Standalone/USB_Device/App/usb_device.c b/Projects/NUCLEO-WB35CE/Applications/USB_Device/HID_Standalone/USB_Device/App/usb_device.c new file mode 100644 index 000000000..16b30bc21 --- /dev/null +++ b/Projects/NUCLEO-WB35CE/Applications/USB_Device/HID_Standalone/USB_Device/App/usb_device.c @@ -0,0 +1,210 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file USB_Device/HID_Standalone/USB_Device/App/usb_device.c + * @author MCD Application Team + * @brief This file implements the USB Device + ****************************************************************************** + * @attention + * + * <h2><center>© Copyright (c) 2019 STMicroelectronics. + * All rights reserved.</center></h2> + * + * This software component is licensed by ST under Ultimate Liberty license + * SLA0044, the "License"; You may not use this file except in compliance with + * the License. You may obtain a copy of the License at: + * www.st.com/SLA0044 + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ + +#include "usb_device.h" +#include "usbd_core.h" +#include "usbd_desc.h" +#include "usbd_hid.h" + +/* USER CODE BEGIN Includes */ +#include "main.h" +/* USER CODE END Includes */ + +/* USER CODE BEGIN PV */ +/* Private variables ---------------------------------------------------------*/ +__IO uint32_t remotewakeupon = 0; +uint8_t HID_Buffer[4]; +extern PCD_HandleTypeDef hpcd_USB_FS; +#define CURSOR_STEP 5 +/* USER CODE END PV */ + +/* USER CODE BEGIN PFP */ +/* Private function prototypes -----------------------------------------------*/ +static void GetPointerData(uint8_t *pbuf); +extern void SystemClockConfig_Resume(void); +void USBD_Clock_Config(void); +/* USER CODE END PFP */ + +extern void Error_Handler(void); +/* USB Device Core handle declaration. */ +USBD_HandleTypeDef hUsbDeviceFS; +extern USBD_DescriptorsTypeDef HID_Desc; + +/* + * -- Insert your variables declaration here -- + */ +/* USER CODE BEGIN 0 */ +/** + * @brief USB Clock Configuration + * @retval None + */ +void USBD_Clock_Config(void) +{ + RCC_OscInitTypeDef RCC_OscInitStruct = {0}; + RCC_CRSInitTypeDef RCC_CRSInitStruct= {0}; + + /* Enable HSI48 */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48; + RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct)!= HAL_OK) + { + Error_Handler(); + } + /*Configure the clock recovery system (CRS)**********************************/ + + /*Enable CRS Clock*/ + __HAL_RCC_CRS_CLK_ENABLE(); + + /* Default Synchro Signal division factor (not divided) */ + RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1; + + /* Set the SYNCSRC[1:0] bits according to CRS_Source value */ + RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB; + + /* HSI48 is synchronized with USB SOF at 1KHz rate */ + RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000, 1000); + RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT; + + /* Set the TRIM[5:0] to the default value */ + RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT; + + /* Start automatic synchronization */ + HAL_RCCEx_CRSConfig (&RCC_CRSInitStruct); +} +/* USER CODE END 0 */ + +/* + * -- Insert your external function declaration here -- + */ +/* USER CODE BEGIN 1 */ + +/** + * @brief Gets Pointer Data. + * @param pbuf: Pointer to report + * @retval None + */ +void GetPointerData(uint8_t * pbuf) +{ + static int8_t cnt = 0; + int8_t x = 0, y = 0; + + if (cnt++ > 0) + { + x = CURSOR_STEP; + } + else + { + x = -CURSOR_STEP; + } + pbuf[0] = 0; + pbuf[1] = x; + pbuf[2] = y; + pbuf[3] = 0; +} + +/** + * @brief GPIO EXTI Callback function + * Handle remote-wakeup through key button + * @param GPIO_Pin + * @retval None + */ +void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) +{ + if (GPIO_Pin == BUTTON_KEY1_PIN) + { + if ((((USBD_HandleTypeDef *) hpcd_USB_FS.pData)->dev_remote_wakeup == 1) && + (((USBD_HandleTypeDef *) hpcd_USB_FS.pData)->dev_state == + USBD_STATE_SUSPENDED)) + { + if ((&hpcd_USB_FS)->Init.low_power_enable) + { + HAL_ResumeTick(); + SystemClockConfig_Resume(); + } + /* Activate Remote wakeup */ + HAL_PCD_ActivateRemoteWakeup((&hpcd_USB_FS)); + + /* Remote wakeup delay */ + HAL_Delay(10); + + /* Disable Remote wakeup */ + HAL_PCD_DeActivateRemoteWakeup((&hpcd_USB_FS)); + + /* change state to configured */ + ((USBD_HandleTypeDef *) hpcd_USB_FS.pData)->dev_state = USBD_STATE_CONFIGURED; + + /* Change remote_wakeup feature to 0 */ + ((USBD_HandleTypeDef *) hpcd_USB_FS.pData)->dev_remote_wakeup = 0; + remotewakeupon = 1; + } + else if (((USBD_HandleTypeDef *) hpcd_USB_FS.pData)->dev_state == + USBD_STATE_CONFIGURED) + { + GetPointerData(HID_Buffer); + USBD_HID_SendReport(&hUsbDeviceFS, HID_Buffer, 4); + } + else + { + /* ... */ + } + } +} + +/* USER CODE END 1 */ + +/** + * Init USB device Library, add supported class and start the library + * @retval None + */ +void MX_USB_Device_Init(void) +{ + /* USER CODE BEGIN USB_Device_Init_PreTreatment */ + /* USB Clock Initialization */ + USBD_Clock_Config(); + /* USER CODE END USB_Device_Init_PreTreatment */ + + /* Init Device Library, add supported class and start the library. */ + if (USBD_Init(&hUsbDeviceFS, &HID_Desc, DEVICE_FS) != USBD_OK) { + Error_Handler(); + } + if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_HID) != USBD_OK) { + Error_Handler(); + } + if (USBD_Start(&hUsbDeviceFS) != USBD_OK) { + Error_Handler(); + } + /* USER CODE BEGIN USB_Device_Init_PostTreatment */ + + /* USER CODE END USB_Device_Init_PostTreatment */ +} + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |