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bl_mcu_sdk/examples/usb/usb_hid_mouse/main.c

265 lines
9.3 KiB
C

/**
* @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 "bflb_platform.h"
#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_MOUSE_REPORT_DESC_SIZE 74
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 */
0x02, /* 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_MOUSE_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_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
0x00,
};
static const uint8_t hid_mouse_report_desc[HID_MOUSE_REPORT_DESC_SIZE] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xA1, 0x01, // COLLECTION (Application)
0x09, 0x01, // USAGE (Pointer)
0xA1, 0x00, // COLLECTION (Physical)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x03, // REPORT_COUNT (3)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x01, // INPUT (Cnst,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x38,
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7F, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x03, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xC0, 0x09,
0x3c, 0x05,
0xff, 0x09,
0x01, 0x15,
0x00, 0x25,
0x01, 0x75,
0x01, 0x95,
0x02, 0xb1,
0x22, 0x75,
0x06, 0x95,
0x01, 0xb1,
0x01, 0xc0 // END_COLLECTION
};
/* 鼠标报文结构体 */
struct hid_mouse {
uint8_t buttons;
int8_t x;
int8_t y;
int8_t wheel;
};
struct device *usb_fs;
static usbd_class_t hid_class;
static usbd_interface_t hid_intf;
struct hid_mouse mouse_cfg;
void usbd_hid_int_callback(uint8_t ep)
{
mouse_cfg.x += 10;
mouse_cfg.y = 0;
usbd_ep_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4, 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_mouse_report_desc, HID_MOUSE_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));
}
mouse_cfg.buttons = 0;
mouse_cfg.wheel = 0;
mouse_cfg.x = 0;
mouse_cfg.y = 0;
while (!usb_device_is_configured()) {
}
while (1) {
}
}