From 6d2a66ee62446e3353f888082c7e71edf2d05e43 Mon Sep 17 00:00:00 2001
From: John-Mark Gurney <jmg@funkthat.com>
Date: Fri, 11 Feb 2022 17:51:12 -0800
Subject: [PATCH] add the descriptor length here..

---
 stm32/usb/usbd_customhid.h | 167 +++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 stm32/usb/usbd_customhid.h

diff --git a/stm32/usb/usbd_customhid.h b/stm32/usb/usbd_customhid.h
new file mode 100644
index 0000000..59772a8
--- /dev/null
+++ b/stm32/usb/usbd_customhid.h
@@ -0,0 +1,167 @@
+/**
+  ******************************************************************************
+  * @file    usbd_customhid.h
+  * @author  MCD Application Team
+  * @brief   header file for the usbd_customhid.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2015 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
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_CUSTOMHID_H
+#define __USB_CUSTOMHID_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include  "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+  * @{
+  */
+
+/** @defgroup USBD_CUSTOM_HID
+  * @brief This file is the Header file for USBD_customhid.c
+  * @{
+  */
+
+
+/** @defgroup USBD_CUSTOM_HID_Exported_Defines
+  * @{
+  */
+#define CUSTOM_HID_EPIN_ADDR                 0x81U
+#define CUSTOM_HID_EPIN_SIZE                 0x02U
+
+#define CUSTOM_HID_EPOUT_ADDR                0x01U
+#define CUSTOM_HID_EPOUT_SIZE                0x02U
+
+#define USB_CUSTOM_HID_CONFIG_DESC_SIZ       41U
+#define USB_CUSTOM_HID_DESC_SIZ              9U
+
+#ifndef CUSTOM_HID_HS_BINTERVAL
+#define CUSTOM_HID_HS_BINTERVAL            0x05U
+#endif /* CUSTOM_HID_HS_BINTERVAL */
+
+#ifndef CUSTOM_HID_FS_BINTERVAL
+#define CUSTOM_HID_FS_BINTERVAL            0x05U
+#endif /* CUSTOM_HID_FS_BINTERVAL */
+
+#ifndef USBD_CUSTOMHID_OUTREPORT_BUF_SIZE
+#define USBD_CUSTOMHID_OUTREPORT_BUF_SIZE  0x02U
+#endif /* USBD_CUSTOMHID_OUTREPORT_BUF_SIZE */
+#ifndef USBD_CUSTOM_HID_REPORT_DESC_SIZE
+#define USBD_CUSTOM_HID_REPORT_DESC_SIZE   163U
+#endif /* USBD_CUSTOM_HID_REPORT_DESC_SIZE */
+
+#define CUSTOM_HID_DESCRIPTOR_TYPE           0x21U
+#define CUSTOM_HID_REPORT_DESC               0x22U
+
+#define CUSTOM_HID_REQ_SET_PROTOCOL          0x0BU
+#define CUSTOM_HID_REQ_GET_PROTOCOL          0x03U
+
+#define CUSTOM_HID_REQ_SET_IDLE              0x0AU
+#define CUSTOM_HID_REQ_GET_IDLE              0x02U
+
+#define CUSTOM_HID_REQ_SET_REPORT            0x09U
+#define CUSTOM_HID_REQ_GET_REPORT            0x01U
+/**
+  * @}
+  */
+
+
+/** @defgroup USBD_CORE_Exported_TypesDefinitions
+  * @{
+  */
+typedef enum
+{
+  CUSTOM_HID_IDLE = 0U,
+  CUSTOM_HID_BUSY,
+}
+CUSTOM_HID_StateTypeDef;
+
+typedef struct _USBD_CUSTOM_HID_Itf
+{
+  uint8_t                  *pReport;
+  uint16_t                 pReportLen;
+  int8_t (* Init)(void);
+  int8_t (* DeInit)(void);
+  int8_t (* OutEvent)(uint8_t event_idx, uint8_t state);
+
+} USBD_CUSTOM_HID_ItfTypeDef;
+
+typedef struct
+{
+  uint8_t              Report_buf[USBD_CUSTOMHID_OUTREPORT_BUF_SIZE];
+  uint32_t             Protocol;
+  uint32_t             IdleState;
+  uint32_t             AltSetting;
+  uint32_t             IsReportAvailable;
+  CUSTOM_HID_StateTypeDef     state;
+}
+USBD_CUSTOM_HID_HandleTypeDef;
+/**
+  * @}
+  */
+
+
+
+/** @defgroup USBD_CORE_Exported_Macros
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_CORE_Exported_Variables
+  * @{
+  */
+
+extern USBD_ClassTypeDef  USBD_CUSTOM_HID;
+#define USBD_CUSTOM_HID_CLASS    &USBD_CUSTOM_HID
+/**
+  * @}
+  */
+
+/** @defgroup USB_CORE_Exported_Functions
+  * @{
+  */
+uint8_t USBD_CUSTOM_HID_SendReport(USBD_HandleTypeDef *pdev,
+                                   uint8_t *report,
+                                   uint16_t len);
+
+
+
+uint8_t  USBD_CUSTOM_HID_RegisterInterface(USBD_HandleTypeDef   *pdev,
+                                           USBD_CUSTOM_HID_ItfTypeDef *fops);
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __USB_CUSTOMHID_H */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/