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xiaozhengsheng
2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
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components/libraries/bootloader/dfu/nrf_dfu_trigger_usb.c Normal file
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/**
* Copyright (c) 2017 - 2020, 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.
*
*/
#include "nrf_dfu_trigger_usb.h"
#include "app_usbd.h"
#include "app_usbd_nrf_dfu_trigger.h"
#include "nrf_drv_clock.h"
#include "nrf_log_ctrl.h"
#include "nrf_gpio.h"
#include "boards.h"
#include "app_util.h"
#include "app_usbd_serial_num.h"
#define NRF_LOG_MODULE_NAME nrf_dfu_trigger_usb
#include "nrf_log.h"
NRF_LOG_MODULE_REGISTER();
#ifndef BSP_SELF_PINRESET_PIN
#error "This module is intended to be used with boards that have the GP pin shortened with the RESET pin."
#endif
/**
* @brief Enable power USB detection.
*
* Configure if the example supports USB port connection.
*/
#ifndef USBD_POWER_DETECTION
#define USBD_POWER_DETECTION true
#endif
#define DFU_FLASH_PAGE_SIZE (NRF_FICR->CODEPAGESIZE)
#define DFU_FLASH_PAGE_COUNT (NRF_FICR->CODESIZE)
// Semantic versioning string.
#define VERSION_STRING STRINGIFY(APP_VERSION_MAJOR) "." STRINGIFY(APP_VERSION_MINOR) "." STRINGIFY(APP_VERSION_PATCH) APP_VERSION_PRERELEASE APP_VERSION_METADATA
static uint8_t m_version_string[] = APP_NAME " " VERSION_STRING; ///< Human-readable version string.
static app_usbd_nrf_dfu_trigger_nordic_info_t m_dfu_info; ///< Struct with various information about the current firmware.
static void dfu_trigger_evt_handler(app_usbd_class_inst_t const * p_inst,
app_usbd_nrf_dfu_trigger_user_event_t event)
{
UNUSED_PARAMETER(p_inst);
switch (event)
{
case APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH:
NRF_LOG_INFO("DFU Detach request received. Triggering a pin reset.");
NRF_LOG_FINAL_FLUSH();
nrf_gpio_cfg_output(BSP_SELF_PINRESET_PIN);
nrf_gpio_pin_clear(BSP_SELF_PINRESET_PIN);
break;
default:
break;
}
}
APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF(m_app_dfu,
NRF_DFU_TRIGGER_USB_INTERFACE_NUM,
&m_dfu_info,
m_version_string,
dfu_trigger_evt_handler);
static void usbd_user_evt_handler(app_usbd_event_type_t event)
{
switch (event)
{
case APP_USBD_EVT_DRV_SUSPEND:
break;
case APP_USBD_EVT_DRV_RESUME:
break;
case APP_USBD_EVT_STARTED:
break;
case APP_USBD_EVT_STOPPED:
app_usbd_disable();
break;
case APP_USBD_EVT_POWER_DETECTED:
NRF_LOG_INFO("USB power detected");
if (!nrf_drv_usbd_is_enabled())
{
app_usbd_enable();
}
break;
case APP_USBD_EVT_POWER_REMOVED:
NRF_LOG_INFO("USB power removed");
app_usbd_stop();
break;
case APP_USBD_EVT_POWER_READY:
NRF_LOG_INFO("USB ready");
app_usbd_start();
break;
default:
break;
}
}
static void strings_create(void)
{
uint8_t prev_char = 'a'; // Arbitrary valid char, not '-'.
// Remove characters that are not supported in semantic version strings.
for (size_t i = strlen(APP_NAME) + 1; i < strlen((char*)m_version_string); i++)
{
if (((m_version_string[i] >= 'a') && (m_version_string[i] <= 'z'))
|| ((m_version_string[i] >= 'A') && (m_version_string[i] <= 'Z'))
|| ((m_version_string[i] >= '0') && (m_version_string[i] <= '9'))
|| (m_version_string[i] == '+')
|| (m_version_string[i] == '.')
|| (m_version_string[i] == '-'))
{
// Valid semantic version character.
}
else if (prev_char == '-')
{
m_version_string[i] = '0';
}
else
{
m_version_string[i] = '-';
}
prev_char = m_version_string[i];
}
#if !NRF_DFU_TRIGGER_USB_USB_SHARED
app_usbd_serial_num_generate();
#endif
}
#if !(APP_USBD_CONFIG_EVENT_QUEUE_ENABLE)
static void usbd_evt_handler(app_usbd_internal_evt_t const * const p_event)
{
app_usbd_event_execute(p_event);
}
#endif
ret_code_t nrf_dfu_trigger_usb_init(void)
{
ret_code_t ret;
static bool initialized = false;
if (initialized)
{
return NRF_SUCCESS;
}
m_dfu_info.wAddress = CODE_START;
m_dfu_info.wFirmwareSize = CODE_SIZE;
m_dfu_info.wVersionMajor = APP_VERSION_MAJOR;
m_dfu_info.wVersionMinor = APP_VERSION_MINOR;
m_dfu_info.wFirmwareID = APP_ID;
m_dfu_info.wFlashPageSize = DFU_FLASH_PAGE_SIZE;
m_dfu_info.wFlashSize = m_dfu_info.wFlashPageSize * DFU_FLASH_PAGE_COUNT;
strings_create();
if (!NRF_DFU_TRIGGER_USB_USB_SHARED)
{
static const app_usbd_config_t usbd_config = {
#if !(APP_USBD_CONFIG_EVENT_QUEUE_ENABLE)
.ev_handler = usbd_evt_handler,
#endif
.ev_state_proc = usbd_user_evt_handler
};
ret = nrf_drv_clock_init();
if ((ret != NRF_SUCCESS) && (ret != NRF_ERROR_MODULE_ALREADY_INITIALIZED))
{
return ret;
}
ret = app_usbd_init(&usbd_config);
if (ret != NRF_SUCCESS)
{
return ret;
}
}
app_usbd_class_inst_t const * class_dfu = app_usbd_nrf_dfu_trigger_class_inst_get(&m_app_dfu);
ret = app_usbd_class_append(class_dfu);
if (!NRF_DFU_TRIGGER_USB_USB_SHARED)
{
if (USBD_POWER_DETECTION)
{
ret = app_usbd_power_events_enable();
APP_ERROR_CHECK(ret);
}
else
{
NRF_LOG_INFO("No USB power detection enabled\r\nStarting USB now");
app_usbd_enable();
app_usbd_start();
}
}
if (ret == NRF_SUCCESS)
{
initialized = true;
}
return ret;
}