/** * @file main.c * @brief * * Copyright (c) 2021 Bouffalolab team * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * */ #include "hal_usb.h" #include "usbd_core.h" #include "usbd_hid.h" #define USBD_VID 0xffff #define USBD_PID 0xffff #define USBD_MAX_POWER 100 #define USBD_LANGID_STRING 1033 #define HID_INT_EP 0x81 #define HID_INT_EP_SIZE 8 #define HID_INT_EP_INTERVAL 10 #define USB_HID_CONFIG_DESC_SIZ 34 #define HID_KEYBOARD_REPORT_DESC_SIZE 63 USB_DESC_SECTION const uint8_t hid_descriptor[] = { USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0002, 0x01), USB_CONFIG_DESCRIPTOR_INIT(USB_HID_CONFIG_DESC_SIZ, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER), /************** Descriptor of Joystick Mouse interface ****************/ /* 09 */ 0x09, /* bLength: Interface Descriptor size */ USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */ 0x00, /* bInterfaceNumber: Number of Interface */ 0x00, /* bAlternateSetting: Alternate setting */ 0x01, /* bNumEndpoints */ 0x03, /* bInterfaceClass: HID */ 0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */ 0x01, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */ 0, /* iInterface: Index of string descriptor */ /******************** Descriptor of Joystick Mouse HID ********************/ /* 18 */ 0x09, /* bLength: HID Descriptor size */ HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */ 0x11, /* bcdHID: HID Class Spec release number */ 0x01, 0x00, /* bCountryCode: Hardware target country */ 0x01, /* bNumDescriptors: Number of HID class descriptors to follow */ 0x22, /* bDescriptorType */ HID_KEYBOARD_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */ 0x00, /******************** Descriptor of Mouse endpoint ********************/ /* 27 */ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */ HID_INT_EP, /* bEndpointAddress: Endpoint Address (IN) */ 0x03, /* bmAttributes: Interrupt endpoint */ HID_INT_EP_SIZE, /* wMaxPacketSize: 4 Byte max */ 0x00, HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */ /* 34 */ /////////////////////////////////////// /// string0 descriptor /////////////////////////////////////// USB_LANGID_INIT(USBD_LANGID_STRING), /////////////////////////////////////// /// string1 descriptor /////////////////////////////////////// 0x12, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ 'B', 0x00, /* wcChar0 */ 'o', 0x00, /* wcChar1 */ 'u', 0x00, /* wcChar2 */ 'f', 0x00, /* wcChar3 */ 'f', 0x00, /* wcChar4 */ 'a', 0x00, /* wcChar5 */ 'l', 0x00, /* wcChar6 */ 'o', 0x00, /* wcChar7 */ /////////////////////////////////////// /// string2 descriptor /////////////////////////////////////// 0x26, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ 'B', 0x00, /* wcChar0 */ 'o', 0x00, /* wcChar1 */ 'u', 0x00, /* wcChar2 */ 'f', 0x00, /* wcChar3 */ 'f', 0x00, /* wcChar4 */ 'a', 0x00, /* wcChar5 */ 'l', 0x00, /* wcChar6 */ 'o', 0x00, /* wcChar7 */ ' ', 0x00, /* wcChar8 */ 'H', 0x00, /* wcChar9 */ 'I', 0x00, /* wcChar10 */ 'D', 0x00, /* wcChar11 */ ' ', 0x00, /* wcChar12 */ 'M', 0x00, /* wcChar13 */ 'O', 0x00, /* wcChar14 */ 'U', 0x00, /* wcChar15 */ 'S', 0x00, /* wcChar16 */ 'E', 0x00, /* wcChar17 */ /////////////////////////////////////// /// string3 descriptor /////////////////////////////////////// 0x16, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ '2', 0x00, /* wcChar0 */ '0', 0x00, /* wcChar1 */ '2', 0x00, /* wcChar2 */ '1', 0x00, /* wcChar3 */ '0', 0x00, /* wcChar4 */ '3', 0x00, /* wcChar5 */ '1', 0x00, /* wcChar6 */ '0', 0x00, /* wcChar7 */ '0', 0x00, /* wcChar8 */ '0', 0x00, /* wcChar9 */ #ifdef CONFIG_USB_HS /////////////////////////////////////// /// device qualifier descriptor /////////////////////////////////////// 0x0a, USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, #endif 0x00 }; /* USB HID device Configuration Descriptor */ static uint8_t hid_desc[9] __ALIGN_END = { /* 18 */ 0x09, /* bLength: HID Descriptor size */ HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */ 0x11, /* bcdHID: HID Class Spec release number */ 0x01, 0x00, /* bCountryCode: Hardware target country */ 0x01, /* bNumDescriptors: Number of HID class descriptors to follow */ 0x22, /* bDescriptorType */ HID_KEYBOARD_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */ 0x00, }; static const uint8_t hid_keyboard_report_desc[HID_KEYBOARD_REPORT_DESC_SIZE] = { 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x06, // USAGE (Keyboard) 0xa1, 0x01, // COLLECTION (Application) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl) 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x75, 0x01, // REPORT_SIZE (1) 0x95, 0x08, // REPORT_COUNT (8) 0x81, 0x02, // INPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x08, // REPORT_SIZE (8) 0x81, 0x03, // INPUT (Cnst,Var,Abs) 0x95, 0x05, // REPORT_COUNT (5) 0x75, 0x01, // REPORT_SIZE (1) 0x05, 0x08, // USAGE_PAGE (LEDs) 0x19, 0x01, // USAGE_MINIMUM (Num Lock) 0x29, 0x05, // USAGE_MAXIMUM (Kana) 0x91, 0x02, // OUTPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x03, // REPORT_SIZE (3) 0x91, 0x03, // OUTPUT (Cnst,Var,Abs) 0x95, 0x06, // REPORT_COUNT (6) 0x75, 0x08, // REPORT_SIZE (8) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0xFF, // LOGICAL_MAXIMUM (255) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated)) 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application) 0x81, 0x00, // INPUT (Data,Ary,Abs) 0xc0 // END_COLLECTION }; struct device *usb_fs; static usbd_class_t hid_class; static usbd_interface_t hid_intf; void usbd_hid_int_callback(uint8_t ep) { uint8_t sendbuffer[8] = { 0x00, 0x00, HID_KEY_A, 0x00, 0x00, 0x00, 0x00, 0x00 }; //A usbd_ep_write(HID_INT_EP, sendbuffer, 8, NULL); //MSG("A\r\n"); } static usbd_endpoint_t hid_in_ep = { .ep_cb = usbd_hid_int_callback, .ep_addr = 0x81 }; extern struct device *usb_dc_init(void); int main(void) { bflb_platform_init(0); usbd_desc_register(hid_descriptor); usbd_hid_add_interface(&hid_class, &hid_intf); usbd_interface_add_endpoint(&hid_intf, &hid_in_ep); usbd_hid_report_descriptor_register(0, hid_keyboard_report_desc, HID_KEYBOARD_REPORT_DESC_SIZE); usb_fs = usb_dc_init(); if (usb_fs) { device_control(usb_fs, DEVICE_CTRL_SET_INT, (void *)(USB_EP1_DATA_IN_IT)); } while (!usb_device_is_configured()) { } while (1) { } }