Files
arduino-esp32/libraries/USB/src/USBVendor.h
Me No Dev c45cff5f83 Implement USB HID Device Support for ESP32-S2 (#5538)
* Add support and example for USB HID Devices
* Add support and example for USB Vendor
2021-08-23 17:27:34 +03:00

95 lines
3.0 KiB
C++

// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed 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.
#pragma once
#include "Stream.h"
#include "sdkconfig.h"
#if CONFIG_TINYUSB_VENDOR_ENABLED
#include "esp_event.h"
ESP_EVENT_DECLARE_BASE(ARDUINO_USB_VENDOR_EVENTS);
#define REQUEST_STAGE_SETUP 0
#define REQUEST_STAGE_DATA 1
#define REQUEST_STAGE_ACK 2
#define REQUEST_TYPE_STANDARD 0
#define REQUEST_TYPE_CLASS 1
#define REQUEST_TYPE_VENDOR 2
#define REQUEST_TYPE_INVALID 3
#define REQUEST_RECIPIENT_DEVICE 0
#define REQUEST_RECIPIENT_INTERFACE 1
#define REQUEST_RECIPIENT_ENDPOINT 2
#define REQUEST_RECIPIENT_OTHER 3
#define REQUEST_DIRECTION_OUT 0
#define REQUEST_DIRECTION_IN 1
typedef struct __attribute__ ((packed)) {
struct __attribute__ ((packed)) {
uint8_t bmRequestRecipient : 5;
uint8_t bmRequestType : 2;
uint8_t bmRequestDirection : 1;
};
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} arduino_usb_control_request_t;
typedef enum {
ARDUINO_USB_VENDOR_ANY_EVENT = ESP_EVENT_ANY_ID,
ARDUINO_USB_VENDOR_DATA_EVENT,
ARDUINO_USB_VENDOR_MAX_EVENT,
} arduino_usb_vendor_event_t;
typedef union {
struct {
uint16_t len;
} data;
} arduino_usb_vendor_event_data_t;
typedef bool (*arduino_usb_vendor_control_request_handler_t)(uint8_t rhport, uint8_t stage, arduino_usb_control_request_t const * request);
class USBVendor: public Stream {
private:
uint8_t itf;
arduino_usb_vendor_control_request_handler_t cb;
public:
USBVendor(uint8_t endpoint_size=64);
void begin(void);
void end(void);
size_t setRxBufferSize(size_t);
bool mounted(void);
size_t write(const uint8_t* buffer, size_t len);
size_t write(uint8_t);
int available(void);
int peek(void);
int read(void);
size_t read(uint8_t *buffer, size_t size);
void flush(void);
void onEvent(esp_event_handler_t callback);
void onEvent(arduino_usb_vendor_event_t event, esp_event_handler_t callback);
void onRequest(arduino_usb_vendor_control_request_handler_t handler);
bool sendResponse(uint8_t rhport, arduino_usb_control_request_t const * request, void * data=NULL, size_t len=0);
bool _onRequest(uint8_t rhport, uint8_t stage, arduino_usb_control_request_t const * request);
void _onRX(const uint8_t* buffer, size_t len);
};
#endif /* CONFIG_TINYUSB_VENDOR_ENABLED */