chain40
133 lines
5.3 KiB
C
133 lines
5.3 KiB
C
/**
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* Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "usbd_dfu_trigger.h"
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#include "app_usbd.h"
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#include "app_usbd_nrf_dfu_trigger.h"
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#include "nrf_drv_clock.h"
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#include "nrf_gpio.h"
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#include "nrf_log_ctrl.h"
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#include "app_usbd_serial_num.h"
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#include "app_util.h"
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#include "nrf_bootloader_info.h"
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#include "nrf_pwr_mgmt.h"
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#define NRF_LOG_MODULE_NAME nrf_dfu_trigger_usb
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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#define DFU_FLASH_PAGE_SIZE (NRF_FICR->CODEPAGESIZE)
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#define DFU_FLASH_PAGE_COUNT (NRF_FICR->CODESIZE)
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#define APP_NAME ELITE_DEVICE_NAME
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#define APP_VERSION_STRING "1.0.0"
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static uint8_t m_version_string[] = APP_NAME " " APP_VERSION_STRING; ///< Human-readable version string.
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static app_usbd_nrf_dfu_trigger_nordic_info_t m_dfu_info; ///< Struct with various information about the current firmware.
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static void dfu_trigger_evt_handler(app_usbd_class_inst_t const *p_inst, app_usbd_nrf_dfu_trigger_user_event_t event)
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{
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UNUSED_PARAMETER(p_inst);
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ret_code_t err_code;
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switch (event)
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{
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case APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH:
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NRF_LOG_INFO("DFU Detach request received. Triggering a pin reset.");
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NRF_LOG_FINAL_FLUSH();
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{
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err_code = sd_power_gpregret_clr(0, 0xFFFFFFFF);
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APP_ERROR_CHECK(err_code);
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err_code = sd_power_gpregret_set(0, BOOTLOADER_DFU_START);
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APP_ERROR_CHECK(err_code);
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// Signal that DFU mode is to be enter to the power management module
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nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_DFU);
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}
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break;
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default:
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break;
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}
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}
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APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF(m_app_dfu,
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NRF_DFU_TRIGGER_USB_INTERFACE_NUM,
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&m_dfu_info,
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m_version_string,
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dfu_trigger_evt_handler);
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static void strings_create(void)
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{
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uint8_t prev_char = 'a'; // Arbitrary valid char, not '-'.
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// Remove characters that are not supported in semantic version strings.
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for (size_t i = strlen(APP_NAME) + 1; i < strlen((char *)m_version_string); i++)
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{
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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] == '-'))
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{
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// Valid semantic version character.
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}
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else if (prev_char == '-')
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{
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m_version_string[i] = '0';
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}
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else
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{
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m_version_string[i] = '-';
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}
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prev_char = m_version_string[i];
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}
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}
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ret_code_t nrf_dfu_trigger_usb_init(void)
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{
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m_dfu_info.wAddress = CODE_START;
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m_dfu_info.wFirmwareSize = CODE_SIZE;
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m_dfu_info.wVersionMajor = 1;
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m_dfu_info.wVersionMinor = 0;
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m_dfu_info.wFirmwareID = 0;
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m_dfu_info.wFlashPageSize = DFU_FLASH_PAGE_SIZE;
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m_dfu_info.wFlashSize = m_dfu_info.wFlashPageSize * DFU_FLASH_PAGE_COUNT;
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strings_create();
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app_usbd_class_inst_t const *class_dfu = app_usbd_nrf_dfu_trigger_class_inst_get(&m_app_dfu);
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ret_code_t ret = app_usbd_class_append(class_dfu);
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return ret;
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}
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