| /** |
| * Copyright (c) 2017 - 2018, 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 "nordic_common.h" |
| |
| #if NRF_MODULE_ENABLED(APP_USBD_NRF_DFU_TRIGGER) |
| #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 "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 |
| |
| #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; |
| } |
| |
| #endif /* NRF_MODULE_ENABLED(APP_USBD_NRF_DFU_TRIGGER) */ |
| |