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add open bootloader source code
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@caizelin
caizelin committed Oct 23, 2018
1 parent b5612cd commit aaede30
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21 changes: 21 additions & 0 deletions open_bootloader/dfu_public_key.c
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/* This file was automatically generated by nrfutil on 2018-10-19 (YY-MM-DD) at 10:31:10 */

#include "sdk_config.h"
#include "stdint.h"
#include "compiler_abstraction.h"

#if NRF_CRYPTO_BACKEND_OBERON_ENABLED
/* Oberon backend is changing endianness thus public key must be kept in RAM. */
#define _PK_CONST
#else
#define _PK_CONST const
#endif


/** @brief Public key used to verify DFU images */
__ALIGN(4) _PK_CONST uint8_t pk[64] =
{
0xb3, 0x30, 0x51, 0xfc, 0xf8, 0x30, 0x18, 0xad, 0x3c, 0x80, 0x4f, 0xc2, 0x8d, 0xe2, 0xa7, 0x2d, 0x6a, 0xab, 0x17, 0xb1, 0xb0, 0x21, 0x08, 0x3e, 0x30, 0x41, 0x2b, 0x8b, 0x14, 0x2d, 0x0a, 0x4a,
0x74, 0x5c, 0xe0, 0x57, 0xd6, 0x41, 0x25, 0x3f, 0x0e, 0xa0, 0xe9, 0xbd, 0x6b, 0xef, 0x57, 0xe1, 0x4d, 0x1b, 0xf4, 0x9e, 0x51, 0x65, 0x1e, 0x16, 0xf5, 0x5a, 0xf2, 0xd4, 0xe1, 0x0c, 0x9c, 0xcf
};
233 changes: 233 additions & 0 deletions open_bootloader/main.c
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/**
* 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.
*
*/
/** @file
*
* @defgroup bootloader_open_usb_main main.c
* @{
* @ingroup bootloader_open_usb
* @brief Bootloader project main file for Open DFU over USB.
*
*/

#include <stdint.h>
#include "boards.h"
#include "nrf_mbr.h"
#include "nrf_bootloader.h"
#include "nrf_bootloader_app_start.h"
#include "nrf_dfu.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "app_error.h"
#include "app_error_weak.h"
#include "nrf_bootloader_info.h"
#include "nrf_dfu_utils.h"
#include "led_softblink.h"
#include "app_timer.h"
#include "nrf_delay.h"
#include "nrf_clock.h"

/* Timer used to blink LED on DFU progress. */
APP_TIMER_DEF(m_dfu_progress_led_timer);

static void on_error(void)
{
NRF_LOG_FINAL_FLUSH();

#if NRF_MODULE_ENABLED(NRF_LOG_BACKEND_RTT)
// To allow the buffer to be flushed by the host.
nrf_delay_ms(100);
#endif
#ifdef NRF_DFU_DEBUG_VERSION
NRF_BREAKPOINT_COND;
#endif
NVIC_SystemReset();
}


void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
{
NRF_LOG_ERROR("app_error_handler err_code:%d %s:%d", error_code, p_file_name, line_num);
on_error();
}


void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info)
{
NRF_LOG_ERROR("Received a fault! id: 0x%08x, pc: 0x%08x, info: 0x%08x", id, pc, info);
on_error();
}


void app_error_handler_bare(uint32_t error_code)
{
NRF_LOG_ERROR("Received an error: 0x%08x!", error_code);
on_error();
}


static void dfu_progress_led_timeout_handler(void * p_context)
{
app_timer_id_t timer = (app_timer_id_t)p_context;

uint32_t err_code = app_timer_start(timer,
APP_TIMER_TICKS(DFU_LED_CONFIG_PROGRESS_BLINK_MS),
p_context);
APP_ERROR_CHECK(err_code);

bsp_board_led_invert(BSP_BOARD_LED_1);
}

/**
* @brief Function notifies certain events in DFU process.
*/
static void dfu_observer(nrf_dfu_evt_type_t evt_type)
{
static bool timer_created = false;
uint32_t err_code;

if (!timer_created)
{
err_code = app_timer_create(&m_dfu_progress_led_timer,
APP_TIMER_MODE_SINGLE_SHOT,
dfu_progress_led_timeout_handler);
APP_ERROR_CHECK(err_code);
timer_created = true;
}

switch (evt_type)
{
case NRF_DFU_EVT_DFU_FAILED:
case NRF_DFU_EVT_DFU_ABORTED:
err_code = led_softblink_stop();
APP_ERROR_CHECK(err_code);

err_code = app_timer_stop(m_dfu_progress_led_timer);
APP_ERROR_CHECK(err_code);

err_code = led_softblink_start(BSP_LED_1_MASK);
APP_ERROR_CHECK(err_code);

break;
case NRF_DFU_EVT_DFU_INITIALIZED:
{
bsp_board_init(BSP_INIT_LEDS);

if (!nrf_clock_lf_is_running())
{
nrf_clock_task_trigger(NRF_CLOCK_TASK_LFCLKSTART);
}
err_code = app_timer_init();
APP_ERROR_CHECK(err_code);

led_sb_init_params_t led_sb_init_param = LED_SB_INIT_DEFAULT_PARAMS(BSP_LED_1_MASK);

uint32_t ticks = APP_TIMER_TICKS(DFU_LED_CONFIG_TRANSPORT_INACTIVE_BREATH_MS);
led_sb_init_param.p_leds_port = BSP_LED_1_PORT;
led_sb_init_param.on_time_ticks = ticks;
led_sb_init_param.off_time_ticks = ticks;
led_sb_init_param.duty_cycle_max = 255;

err_code = led_softblink_init(&led_sb_init_param);
APP_ERROR_CHECK(err_code);

err_code = led_softblink_start(BSP_LED_1_MASK);
APP_ERROR_CHECK(err_code);
break;
}
case NRF_DFU_EVT_TRANSPORT_ACTIVATED:
{
uint32_t ticks = APP_TIMER_TICKS(DFU_LED_CONFIG_TRANSPORT_ACTIVE_BREATH_MS);
led_softblink_off_time_set(ticks);
led_softblink_on_time_set(ticks);
break;
}
case NRF_DFU_EVT_TRANSPORT_DEACTIVATED:
{
uint32_t ticks = APP_TIMER_TICKS(DFU_LED_CONFIG_PROGRESS_BLINK_MS);
err_code = led_softblink_stop();
APP_ERROR_CHECK(err_code);

err_code = app_timer_start(m_dfu_progress_led_timer, ticks, m_dfu_progress_led_timer);
APP_ERROR_CHECK(err_code);

break;
}
default:
break;
}
}
/**@brief Function for application main entry.
*/
int main(void)
{
uint32_t ret_val;

// Protect MBR and bootloader code from being overwritten.
ret_val = nrf_bootloader_flash_protect(0, MBR_SIZE, false);
APP_ERROR_CHECK(ret_val);
ret_val = nrf_bootloader_flash_protect(BOOTLOADER_START_ADDR, BOOTLOADER_SIZE, false);
APP_ERROR_CHECK(ret_val);

ret_val = NRF_LOG_INIT(app_timer_cnt_get);
APP_ERROR_CHECK(ret_val);
NRF_LOG_DEFAULT_BACKENDS_INIT();

NRF_LOG_INFO("Open USB bootloader started");
NRF_LOG_FLUSH();

ret_val = nrf_bootloader_init(dfu_observer);
APP_ERROR_CHECK(ret_val);

NRF_LOG_FLUSH();

// Either there was no DFU functionality enabled in this project or the DFU module detected
// no ongoing DFU operation and found a valid main application.
// Boot the main application.
nrf_bootloader_app_start();

// Should never be reached.
NRF_LOG_INFO("After main");
NRF_LOG_FLUSH();
}

/**
* @}
*/
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