101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "soc/soc_caps.h"
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#if SOC_USB_OTG_SUPPORTED
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#include "Stream.h"
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#include "sdkconfig.h"
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#if CONFIG_TINYUSB_VENDOR_ENABLED
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#include "esp_event.h"
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ESP_EVENT_DECLARE_BASE(ARDUINO_USB_VENDOR_EVENTS);
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#define REQUEST_STAGE_SETUP 0
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#define REQUEST_STAGE_DATA 1
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#define REQUEST_STAGE_ACK 2
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#define REQUEST_TYPE_STANDARD 0
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#define REQUEST_TYPE_CLASS 1
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#define REQUEST_TYPE_VENDOR 2
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#define REQUEST_TYPE_INVALID 3
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#define REQUEST_RECIPIENT_DEVICE 0
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#define REQUEST_RECIPIENT_INTERFACE 1
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#define REQUEST_RECIPIENT_ENDPOINT 2
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#define REQUEST_RECIPIENT_OTHER 3
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#define REQUEST_DIRECTION_OUT 0
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#define REQUEST_DIRECTION_IN 1
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typedef struct __attribute__((packed)) {
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struct __attribute__((packed)) {
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uint8_t bmRequestRecipient : 5;
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uint8_t bmRequestType : 2;
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uint8_t bmRequestDirection : 1;
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};
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uint8_t bRequest;
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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} arduino_usb_control_request_t;
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typedef enum {
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ARDUINO_USB_VENDOR_ANY_EVENT = ESP_EVENT_ANY_ID,
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ARDUINO_USB_VENDOR_DATA_EVENT,
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ARDUINO_USB_VENDOR_MAX_EVENT,
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} arduino_usb_vendor_event_t;
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typedef union {
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struct {
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uint16_t len;
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} data;
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} arduino_usb_vendor_event_data_t;
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typedef bool (*arduino_usb_vendor_control_request_handler_t)(uint8_t rhport, uint8_t stage, arduino_usb_control_request_t const *request);
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class USBVendor : public Stream {
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private:
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uint8_t itf;
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arduino_usb_vendor_control_request_handler_t cb;
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public:
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USBVendor(uint16_t endpoint_size = 0);
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void begin(void);
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void end(void);
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size_t setRxBufferSize(size_t);
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bool mounted(void);
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size_t write(const uint8_t *buffer, size_t len);
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size_t write(uint8_t);
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int available(void);
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int peek(void);
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int read(void);
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size_t read(uint8_t *buffer, size_t size);
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void flush(void);
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void onEvent(esp_event_handler_t callback);
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void onEvent(arduino_usb_vendor_event_t event, esp_event_handler_t callback);
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void onRequest(arduino_usb_vendor_control_request_handler_t handler);
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bool sendResponse(uint8_t rhport, arduino_usb_control_request_t const *request, void *data = NULL, size_t len = 0);
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bool _onRequest(uint8_t rhport, uint8_t stage, arduino_usb_control_request_t const *request);
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void _onRX(const uint8_t *buffer, size_t len);
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};
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#endif /* CONFIG_TINYUSB_VENDOR_ENABLED */
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#endif /* SOC_USB_OTG_SUPPORTED */
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