esp-idf/components/tinyusb/additions/include/tinyusb.h

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2022-01-03 21:17:32 -05:00
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdbool.h>
2022-01-03 21:17:32 -05:00
#include "esp_err.h"
#include "tusb.h"
#include "tusb_option.h"
#include "tusb_config.h"
#include "tinyusb_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* tinyusb uses buffers with type of uint8_t[] but in our driver we are reading them as a 32-bit word */
#if (CFG_TUD_ENDPOINT0_SIZE < 4)
# define CFG_TUD_ENDPOINT0_SIZE 4
# warning "CFG_TUD_ENDPOINT0_SIZE was too low and was set to 4"
#endif
#if TUSB_OPT_DEVICE_ENABLED
# if CFG_TUD_HID
# if (CFG_TUD_HID_BUFSIZE < 4)
# define CFG_TUD_HID_BUFSIZE 4
# warning "CFG_TUD_HID_BUFSIZE was too low and was set to 4"
# endif
# endif
# if CFG_TUD_CDC
# if (CFG_TUD_CDC_EP_BUFSIZE < 4)
# define CFG_TUD_CDC_EP_BUFSIZE 4
# warning "CFG_TUD_CDC_EP_BUFSIZE was too low and was set to 4"
# endif
# endif
# if CFG_TUD_MSC
# if (CFG_TUD_MSC_BUFSIZE < 4)
# define CFG_TUD_MSC_BUFSIZE 4
# warning "CFG_TUD_MSC_BUFSIZE was too low and was set to 4"
# endif
# endif
# if CFG_TUD_MIDI
# if (CFG_TUD_MIDI_EPSIZE < 4)
# define CFG_TUD_MIDI_EPSIZE 4
# warning "CFG_TUD_MIDI_EPSIZE was too low and was set to 4"
# endif
# endif
# if CFG_TUD_CUSTOM_CLASS
# warning "Please check that the buffer is more then 4 bytes"
# endif
#endif
/**
* @brief Configuration structure of the tinyUSB core
*/
typedef struct {
union {
const tusb_desc_device_t *device_descriptor; /*!< Pointer to a device descriptor. If set to NULL, the TinyUSB device will use a default device descriptor whose values are set in Kconfig */
const tusb_desc_device_t *descriptor __attribute__((deprecated)); /*!< Alias to `device_descriptor` for backward compatibility */
};
const char **string_descriptor; /*!< Pointer to an array of string descriptors */
bool external_phy; /*!< Should USB use an external PHY */
const uint8_t *configuration_descriptor; /*!< Pointer to a configuration descriptor. If set to NULL, TinyUSB device will use a default configuration descriptor whose values are set in Kconfig */
} tinyusb_config_t;
/**
* @brief This is an all-in-one helper function, including:
* 1. USB device driver initialization
* 2. Descriptors preparation
* 3. TinyUSB stack initialization
* 4. Creates and start a task to handle usb events
*
* @note Don't change Custom descriptor, but if it has to be done,
* Suggest to define as follows in order to match the Interface Association Descriptor (IAD):
* bDeviceClass = TUSB_CLASS_MISC,
* bDeviceSubClass = MISC_SUBCLASS_COMMON,
*
* @param config tinyusb stack specific configuration
* @retval ESP_ERR_INVALID_ARG Install driver and tinyusb stack failed because of invalid argument
* @retval ESP_FAIL Install driver and tinyusb stack failed because of internal error
* @retval ESP_OK Install driver and tinyusb stack successfully
*/
esp_err_t tinyusb_driver_install(const tinyusb_config_t *config);
// TODO esp_err_t tinyusb_driver_uninstall(void); (IDF-1474)
#ifdef __cplusplus
}
#endif