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- new detection mode for keyboard support - when the click or motion detection mode is selected it primarily searches for a boot mouse interface - when the key detection mode is selected it primarily searches for a boot keyboard interface -
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| /* | ||
| * Copyright (c) 2015 STMicroelectronics. | ||
| * Copyright (c) 2023 Finalmouse, LLC | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
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| /* BSPDependencies | ||
| - "stm32xxxxx_{eval}{discovery}{nucleo_144}.c" | ||
| - "stm32xxxxx_{eval}{discovery}_io.c" | ||
| - "stm32xxxxx_{eval}{discovery}{adafruit}_lcd.c" | ||
| - "stm32xxxxx_{eval}{discovery}_sdram.c" | ||
| EndBSPDependencies */ | ||
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| /* Includes ------------------------------------------------------------------*/ | ||
| #include "usbh_hid_keyboard.h" | ||
| #include "usbh_hid_parser.h" | ||
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| /** @addtogroup USBH_LIB | ||
| * @{ | ||
| */ | ||
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| /** @addtogroup USBH_CLASS | ||
| * @{ | ||
| */ | ||
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| /** @addtogroup USBH_HID_CLASS | ||
| * @{ | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD | ||
| * @brief This file includes HID Layer Handlers for USB Host HID class. | ||
| * @{ | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_TypesDefinitions | ||
| * @{ | ||
| */ | ||
| /** | ||
| * @} | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_Defines | ||
| * @{ | ||
| */ | ||
| /** | ||
| * @} | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_Macros | ||
| * @{ | ||
| */ | ||
| /** | ||
| * @} | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_FunctionPrototypes | ||
| * @{ | ||
| */ | ||
| static USBH_StatusTypeDef USBH_HID_KeyboardDecode(USBH_HandleTypeDef *phost); | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_Variables | ||
| * @{ | ||
| */ | ||
| HID_KEYBOARD_Info_TypeDef keyboard_info; | ||
| uint8_t keyboard_report_data[USBH_HID_KEYBOARD_REPORT_SIZE]; | ||
| uint8_t keyboard_rx_report_buf[USBH_HID_KEYBOARD_REPORT_SIZE]; | ||
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| /* Structures defining how to access items in a HID keyboard report */ | ||
| /* Access key 1 state. */ | ||
| static const HID_Report_ItemTypedef prop_k1 = | ||
| { | ||
| keyboard_report_data, /*data*/ | ||
| 1, /*size*/ | ||
| 0, /*shift*/ | ||
| 0, /*count (only for array items)*/ | ||
| 0, /*signed?*/ | ||
| 0, /*min value read can return*/ | ||
| 1, /*max value read can return*/ | ||
| 0, /*min value device can report*/ | ||
| 1, /*max value device can report*/ | ||
| 1 /*resolution*/ | ||
| }; | ||
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| /* Access key 2 state. */ | ||
| static const HID_Report_ItemTypedef prop_k2 = | ||
| { | ||
| keyboard_report_data, /*data*/ | ||
| 1, /*size*/ | ||
| 1, /*shift*/ | ||
| 0, /*count (only for array items)*/ | ||
| 0, /*signed?*/ | ||
| 0, /*min value read can return*/ | ||
| 1, /*max value read can return*/ | ||
| 0, /*min value device can report*/ | ||
| 1, /*max value device can report*/ | ||
| 1 /*resolution*/ | ||
| }; | ||
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| /* Access key 3 state. */ | ||
| static const HID_Report_ItemTypedef prop_k3 = | ||
| { | ||
| keyboard_report_data, /*data*/ | ||
| 1, /*size*/ | ||
| 2, /*shift*/ | ||
| 0, /*count (only for array items)*/ | ||
| 0, /*signed?*/ | ||
| 0, /*min value read can return*/ | ||
| 1, /*max value read can return*/ | ||
| 0, /*min vale device can report*/ | ||
| 1, /*max value device can report*/ | ||
| 1 /*resolution*/ | ||
| }; | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** @defgroup USBH_HID_KEYBOARD_Private_Functions | ||
| * @{ | ||
| */ | ||
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| /** | ||
| * @brief USBH_HID_KeyboardInit | ||
| * The function init the HID keyboard. | ||
| * @param phost: Host handle | ||
| * @retval USBH Status | ||
| */ | ||
| USBH_StatusTypeDef USBH_HID_KeyboardInit(USBH_HandleTypeDef *phost) | ||
| { | ||
| uint32_t i; | ||
| HID_HandleTypeDef *HID_Handle = (HID_HandleTypeDef *) phost->pActiveClass->pData; | ||
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| keyboard_info.keys[0] = 0U; | ||
| keyboard_info.keys[1] = 0U; | ||
| keyboard_info.keys[2] = 0U; | ||
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| for (i = 0U; i < sizeof(keyboard_report_data); i++) | ||
| { | ||
| keyboard_report_data[i] = 0U; | ||
| keyboard_rx_report_buf[i] = 0U; | ||
| } | ||
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| if (HID_Handle->length > sizeof(keyboard_report_data)) | ||
| { | ||
| HID_Handle->length = (uint16_t)sizeof(keyboard_report_data); | ||
| } | ||
| HID_Handle->pData = keyboard_rx_report_buf; | ||
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| if ((HID_QUEUE_SIZE * sizeof(keyboard_report_data)) > sizeof(phost->device.Data)) { | ||
| return USBH_FAIL; | ||
| } else { | ||
| USBH_HID_FifoInit(&HID_Handle->fifo, phost->device.Data, (uint16_t)(HID_QUEUE_SIZE * sizeof(keyboard_report_data))); | ||
| } | ||
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| return USBH_OK; | ||
| } | ||
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| /** | ||
| * @brief USBH_HID_GetKeyboardInfo | ||
| * The function return keyboard information. | ||
| * @param phost: Host handle | ||
| * @retval keyboard information | ||
| */ | ||
| HID_KEYBOARD_Info_TypeDef *USBH_HID_GetKeyboardInfo(USBH_HandleTypeDef *phost) | ||
| { | ||
| if (USBH_HID_KeyboardDecode(phost) == USBH_OK) | ||
| { | ||
| return &keyboard_info; | ||
| } | ||
| else | ||
| { | ||
| return NULL; | ||
| } | ||
| } | ||
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| /** | ||
| * @brief USBH_HID_KeyboardDecode | ||
| * The function decode keyboard data. | ||
| * @param phost: Host handle | ||
| * @retval USBH Status | ||
| */ | ||
| static USBH_StatusTypeDef USBH_HID_KeyboardDecode(USBH_HandleTypeDef *phost) | ||
| { | ||
| HID_HandleTypeDef *HID_Handle = (HID_HandleTypeDef *) phost->pActiveClass->pData; | ||
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| if ((HID_Handle->length == 0U) || (HID_Handle->fifo.buf == NULL)) | ||
| { | ||
| return USBH_FAIL; | ||
| } | ||
| /*Fill report */ | ||
| if (USBH_HID_FifoRead(&HID_Handle->fifo, &keyboard_report_data, HID_Handle->length) == HID_Handle->length) | ||
| { | ||
| /*Decode report */ | ||
| keyboard_info.keys[0] = (uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_k1, 0U); | ||
| keyboard_info.keys[1] = (uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_k2, 0U); | ||
| keyboard_info.keys[2] = (uint8_t)HID_ReadItem((HID_Report_ItemTypedef *) &prop_k3, 0U); | ||
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| return USBH_OK; | ||
| } | ||
| return USBH_FAIL; | ||
| } | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** | ||
| * @} | ||
| */ | ||
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| /** | ||
| * @} | ||
| */ |
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