esp-idf/components/esp_rom/include/esp32s2/rom/usb/usb_dfu.h

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/*
* SPDX-FileCopyrightText: 2015,2016 Intel Corporation
* SPDX-FileContributor: 2017 PHYTEC Messtechnik GmbH
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
* @brief USB Device Firmware Upgrade (DFU) public header
*
* Header follows the Device Class Specification for
* Device Firmware Upgrade Version 1.1
*/
#pragma once
#include <stdint.h>
#include <stddef.h>
#include "usb_device.h"
#ifdef __cplusplus
extern "C" {
#endif
/** DFU Class Subclass */
#define DFU_SUBCLASS 0x01
/** DFU Class runtime Protocol */
#define DFU_RT_PROTOCOL 0x01
/** DFU Class DFU mode Protocol */
#define DFU_MODE_PROTOCOL 0x02
/**
* @brief DFU Class Specific Requests
*/
#define DFU_DETACH 0x00
#define DFU_DNLOAD 0x01
#define DFU_UPLOAD 0x02
#define DFU_GETSTATUS 0x03
#define DFU_CLRSTATUS 0x04
#define DFU_GETSTATE 0x05
#define DFU_ABORT 0x06
/** DFU FUNCTIONAL descriptor type */
#define DFU_FUNC_DESC 0x21
/** DFU attributes DFU Functional Descriptor */
#define DFU_ATTR_WILL_DETACH 0x08
#define DFU_ATTR_MANIFESTATION_TOLERANT 0x04
#define DFU_ATTR_CAN_UPLOAD 0x02
#define DFU_ATTR_CAN_DNLOAD 0x01
/** DFU Specification release */
#define DFU_VERSION 0x0110
/** Run-Time Functional Descriptor */
struct dfu_runtime_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bmAttributes;
uint16_t wDetachTimeOut;
uint16_t wTransferSize;
uint16_t bcdDFUVersion;
} __packed;
/** bStatus values for the DFU_GETSTATUS response */
enum dfu_status {
statusOK,
errTARGET,
errFILE,
errWRITE,
errERASE,
errCHECK_ERASED,
errPROG,
errVERIFY,
errADDRESS,
errNOTDONE,
errFIRMWARE,
errVENDOR,
errUSB,
errPOR,
errUNKNOWN,
errSTALLEDPKT
};
/** bState values for the DFU_GETSTATUS response */
enum dfu_state {
appIDLE,
appDETACH,
dfuIDLE,
dfuDNLOAD_SYNC,
dfuDNBUSY,
dfuDNLOAD_IDLE,
dfuMANIFEST_SYNC,
dfuMANIFEST,
dfuMANIFEST_WAIT_RST,
dfuUPLOAD_IDLE,
dfuERROR,
};
/*
These callbacks are made public so the ACM driver can call them to handle the switch to DFU.
*/
int dfu_class_handle_req(struct usb_setup_packet *pSetup,
int32_t *data_len, uint8_t **data);
void dfu_status_cb(enum usb_dc_status_code status, uint8_t *param);
int usb_dfu_init(void);
int dfu_custom_handle_req(struct usb_setup_packet *pSetup,
int32_t *data_len, uint8_t **data);
typedef void(*usb_dfu_detach_routine_t)(int delay);
void usb_dfu_set_detach_cb(usb_dfu_detach_routine_t cb);
#ifdef __cplusplus
}
#endif