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trezor-firmware/core/embed/ble_bootloader/dfu/nrf_dfu_req_handler.h

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/**
* Copyright (c) 2016 - 2021, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**@file
*
* @defgroup sdk_nrf_dfu_req_handler Request handling
* @{
* @ingroup nrf_dfu
*/
#ifndef NRF_DFU_REQ_HANDLER_H__
#define NRF_DFU_REQ_HANDLER_H__
#include <stdint.h>
#include <stdbool.h>
#include "app_util_platform.h"
#include "nrf_dfu_flash.h"
#include "nrf_dfu_types.h"
#ifdef __cplusplus
extern "C"
{
#endif
ANON_UNIONS_ENABLE;
/**
* @brief DFU object types.
*/
typedef enum
{
NRF_DFU_OBJ_TYPE_INVALID, //!< Invalid object type.
NRF_DFU_OBJ_TYPE_COMMAND, //!< Command object.
NRF_DFU_OBJ_TYPE_DATA, //!< Data object.
} nrf_dfu_obj_type_t;
/**
* @brief DFU protocol operation.
*/
typedef enum
{
NRF_DFU_OP_PROTOCOL_VERSION = 0x00, //!< Retrieve protocol version.
NRF_DFU_OP_OBJECT_CREATE = 0x01, //!< Create selected object.
NRF_DFU_OP_RECEIPT_NOTIF_SET = 0x02, //!< Set receipt notification.
NRF_DFU_OP_CRC_GET = 0x03, //!< Request CRC of selected object.
NRF_DFU_OP_OBJECT_EXECUTE = 0x04, //!< Execute selected object.
NRF_DFU_OP_OBJECT_SELECT = 0x06, //!< Select object.
NRF_DFU_OP_MTU_GET = 0x07, //!< Retrieve MTU size.
NRF_DFU_OP_OBJECT_WRITE = 0x08, //!< Write selected object.
NRF_DFU_OP_PING = 0x09, //!< Ping.
NRF_DFU_OP_HARDWARE_VERSION = 0x0A, //!< Retrieve hardware version.
NRF_DFU_OP_FIRMWARE_VERSION = 0x0B, //!< Retrieve firmware version.
NRF_DFU_OP_ABORT = 0x0C, //!< Abort the DFU procedure.
NRF_DFU_OP_RESPONSE = 0x60, //!< Response.
NRF_DFU_OP_INVALID = 0xFF,
} nrf_dfu_op_t;
/**
* @brief DFU operation result code.
*/
typedef enum
{
NRF_DFU_RES_CODE_INVALID = 0x00, //!< Invalid opcode.
NRF_DFU_RES_CODE_SUCCESS = 0x01, //!< Operation successful.
NRF_DFU_RES_CODE_OP_CODE_NOT_SUPPORTED = 0x02, //!< Opcode not supported.
NRF_DFU_RES_CODE_INVALID_PARAMETER = 0x03, //!< Missing or invalid parameter value.
NRF_DFU_RES_CODE_INSUFFICIENT_RESOURCES = 0x04, //!< Not enough memory for the data object.
NRF_DFU_RES_CODE_INVALID_OBJECT = 0x05, //!< Data object does not match the firmware and hardware requirements, the signature is wrong, or parsing the command failed.
NRF_DFU_RES_CODE_UNSUPPORTED_TYPE = 0x07, //!< Not a valid object type for a Create request.
NRF_DFU_RES_CODE_OPERATION_NOT_PERMITTED = 0x08, //!< The state of the DFU process does not allow this operation.
NRF_DFU_RES_CODE_OPERATION_FAILED = 0x0A, //!< Operation failed.
NRF_DFU_RES_CODE_EXT_ERROR = 0x0B, //!< Extended error. The next byte of the response contains the error code of the extended error (see @ref nrf_dfu_ext_error_code_t.
NRF_DFU_ERROR_INVALID_SIGNATURE = 0x0C, //!< The provided signature is wrong.
} nrf_dfu_result_t;
typedef enum
{
NRF_DFU_FIRMWARE_TYPE_SOFTDEVICE = 0x00,
NRF_DFU_FIRMWARE_TYPE_APPLICATION = 0x01,
NRF_DFU_FIRMWARE_TYPE_BOOTLOADER = 0x02,
NRF_DFU_FIRMWARE_TYPE_UNKNOWN = 0xFF,
} nrf_dfu_firmware_type_t;
/**
* @brief @ref NRF_DFU_OP_PROTOCOL_VERSION response details.
*/
typedef struct
{
uint8_t version; //!< Protocol version.
} nrf_dfu_response_protocol_t;
/**
* @brief @ref NRF_DFU_OP_HARDWARE_VERSION response details.
*/
typedef struct
{
uint32_t part; //!< Hardware part, from FICR register.
uint32_t variant; //!< Hardware variant, from FICR register.
struct
{
uint32_t rom_size; //!< ROM size, in bytes.
uint32_t ram_size; //!< RAM size, in bytes.
uint32_t rom_page_size; //!< ROM flash page size, in bytes.
} memory;
} nrf_dfu_response_hardware_t;
/**
* @brief @ref NRF_DFU_OP_FIRMWARE_VERSION response details.
*/
typedef struct
{
nrf_dfu_firmware_type_t type; //!< Firmware type.
uint32_t version; //!< Firmware version.
uint32_t addr; //!< Firmware address in flash.
uint32_t len; //!< Firmware length in bytes.
} nrf_dfu_response_firmware_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_SELECT response details.
*/
typedef struct
{
uint32_t offset; //!< Current offset.
uint32_t crc; //!< Current CRC.
uint32_t max_size; //!< Maximum size of selected object.
} nrf_dfu_response_select_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_CREATE response details.
*/
typedef struct
{
uint32_t offset; //!< Current offset
uint32_t crc; //!< Current CRC.
} nrf_dfu_response_create_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_WRITE response details.
*/
typedef struct
{
uint32_t offset; //!< Used only when packet receipt notification is used.
uint32_t crc; //!< Used only when packet receipt notification is used.
} nrf_dfu_response_write_t;
/**
* @brief @ref NRF_DFU_OP_CRC_GET response details.
*/
typedef struct
{
uint32_t offset; //!< Current offset.
uint32_t crc; //!< Current CRC.
} nrf_dfu_response_crc_t;
/**
* @brief @ref NRF_DFU_OP_PING response details.
*/
typedef struct
{
uint8_t id; //!< The received ID which is echoed back.
} nrf_dfu_response_ping_t;
/**
* @brief @ref NRF_DFU_OP_MTU_GET response details.
*/
typedef struct
{
uint16_t size; //!< The MTU size as specified by the local transport.
} nrf_dfu_response_mtu_t;
/**
* @brief DFU response message.
*/
typedef struct
{
nrf_dfu_op_t request; //!< Requested operation.
nrf_dfu_result_t result; //!< Result of the operation.
union
{
nrf_dfu_response_protocol_t protocol; //!< Protocol version response.
nrf_dfu_response_hardware_t hardware; //!< Hardware version response.
nrf_dfu_response_firmware_t firmware; //!< Firmware version response.
nrf_dfu_response_select_t select; //!< Select object response..
nrf_dfu_response_create_t create; //!< Create object response..
nrf_dfu_response_write_t write; //!< Write object response.
nrf_dfu_response_crc_t crc; //!< CRC response.
nrf_dfu_response_ping_t ping; //!< Ping response.
nrf_dfu_response_mtu_t mtu; //!< MTU response.
};
} nrf_dfu_response_t;
/**
* @brief @ref NRF_DFU_OP_FIRMWARE_VERSION request details.
*/
typedef struct
{
uint8_t image_number; //!< Index of the firmware.
} nrf_dfu_request_firmware_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_SELECT request details.
*/
typedef struct
{
uint32_t object_type; //!< Object type. See @ref nrf_dfu_obj_type_t.
} nrf_dfu_request_select_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_CREATE request details.
*/
typedef struct
{
uint32_t object_type; //!< Object type. See @ref nrf_dfu_obj_type_t.
uint32_t object_size; //!< Object size in bytes.
} nrf_dfu_request_create_t;
/**
* @brief @ref NRF_DFU_OP_OBJECT_WRITE request details.
*/
typedef struct
{
uint8_t const * p_data; //!< Data.
uint16_t len; //!< Length of data in @ref nrf_dfu_request_write_t::p_data.
} nrf_dfu_request_write_t;
/**
* @brief @ref NRF_DFU_OP_PING request details.
*/
typedef struct
{
uint8_t id; //!< Ping ID that will be returned in response.
} nrf_dfu_request_ping_t;
/**
* @brief @ref NRF_DFU_OP_MTU_GET request details.
*/
typedef struct
{
uint16_t size; //!< Transport MTU size in bytes.
} nrf_dfu_request_mtu_t;
/**
* @brief @ref NRF_DFU_OP_RECEIPT_NOTIF_SET request details.
*/
typedef struct
{
uint32_t target; //!< Target PRN.
} nrf_dfu_request_prn_t;
typedef void (*nrf_dfu_response_callback_t)(nrf_dfu_response_t * p_res, void * p_context);
/**
*@brief DFU request.
*/
typedef struct
{
nrf_dfu_op_t request; //!< Requested operation.
void * p_context;
struct
{
nrf_dfu_response_callback_t response; //!< Callback to call to send the response.
nrf_dfu_flash_callback_t write;
} callback;
union
{
nrf_dfu_request_firmware_t firmware; //!< Firmware version request.
nrf_dfu_request_select_t select; //!< Select object request.
nrf_dfu_request_create_t create; //!< Create object request.
nrf_dfu_request_write_t write; //!< Write object request.
nrf_dfu_request_ping_t ping; //!< Ping.
nrf_dfu_request_mtu_t mtu; //!< MTU size request.
nrf_dfu_request_prn_t prn; //!< Set receipt notification request.
};
} nrf_dfu_request_t;
/**@brief Function for initializing the request handling module.
*
* @param observer Callback function for receiving notifications.
*
* @retval NRF_SUCCESS If the operation was successful.
* @retval NRF_ERROR_INTERNAL If the init packet in flash is not valid.
* @retval NRF_ERROR_INVALID_PARAM If observer is not provided.
*/
ret_code_t nrf_dfu_req_handler_init(nrf_dfu_observer_t observer);
/**@brief Function for scheduling processing of a DFU request.
*
* Requests are processed asynchronously by the scheduler.
*
* @param[in] p_req Request to be handled. The response callback must be non-null.
*
* @retval NRF_SUCCESS If the command request was executed successfully.
* @retval NRF_ERROR_NO_MEM If the scheduler ran out of memory.
* @retval NRF_ERROR_INVALID_PARAM If the response callback is NULL.
*/
ret_code_t nrf_dfu_req_handler_on_req(nrf_dfu_request_t * p_req);
ANON_UNIONS_DISABLE;
#ifdef __cplusplus
}
#endif
#endif // NRF_DFU_REQ_HANDLER_H__
/** @} */