83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "freertos/timers.h"
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#include "tusb.h"
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#include "tinyusb_types.h"
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/* CDC classification
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********************************************************************* */
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typedef enum {
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TINYUSB_CDC_DATA = 0x00,
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} cdc_data_sublcass_type_t; // CDC120 specification
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/* Note:other classification is represented in the file components\tinyusb\tinyusb\src\class\cdc\cdc.h */
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/*********************************************************************** CDC classification*/
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/* Structs
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********************************************************************* */
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typedef struct {
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tinyusb_usbdev_t usb_dev; /*!< USB device to set up */
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tusb_class_code_t cdc_class; /*!< CDC device class : Communications or Data device */
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union {
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cdc_comm_sublcass_type_t comm_subclass; /*!< Communications device subclasses: ACM, ECM, etc. */
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cdc_data_sublcass_type_t data_subclass; /*!< Data device has only one subclass.*/
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} cdc_subclass; /*!< CDC device subclass according to Class Definitions for Communications Devices the CDC v.1.20 */
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} tinyusb_config_cdc_t; /*!< Main configuration structure of a CDC device */
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typedef struct {
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tinyusb_usbdev_t usb_dev; /*!< USB device used for the instance */
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tusb_class_code_t type;
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union {
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cdc_comm_sublcass_type_t comm_subclass; /*!< Communications device subclasses: ACM, ECM, etc. */
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cdc_data_sublcass_type_t data_subclass; /*!< Data device has only one subclass.*/
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} cdc_subclass; /*!< CDC device subclass according to Class Definitions for Communications Devices the CDC v.1.20 */
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void *subclass_obj; /*!< Dynamically allocated subclass specific object */
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} esp_tusb_cdc_t;
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/*********************************************************************** Structs*/
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/* Functions
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********************************************************************* */
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/**
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* @brief Initializing CDC basic object
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* @param itf - number of a CDC object
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* @param cfg - CDC configuration structure
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*
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* @return esp_err_t ESP_OK or ESP_FAIL
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*/
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esp_err_t tinyusb_cdc_init(int itf, const tinyusb_config_cdc_t *cfg);
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/**
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* @brief De-initializing CDC. Clean its objects
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* @param itf - number of a CDC object
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* @return esp_err_t ESP_OK, ESP_ERR_INVALID_ARG, ESP_ERR_INVALID_STATE
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*
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*/
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esp_err_t tinyusb_cdc_deinit(int itf);
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/**
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* @brief Return interface of a CDC device
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*
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* @param itf_num
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* @return esp_tusb_cdc_t* pointer to the interface or (NULL) on error
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*/
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esp_tusb_cdc_t *tinyusb_cdc_get_intf(int itf_num);
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/*********************************************************************** Functions*/
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#ifdef __cplusplus
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}
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#endif
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