clean up unused files
This commit is contained in:
		@@ -1,173 +0,0 @@
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/**
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		||||
 * Copyright (c) 2015 - 2017, 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.
 | 
			
		||||
 * 
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		||||
 */
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(WDT)
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#include "nrf_drv_wdt.h"
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#include "nrf_drv_common.h"
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#include "nrf_error.h"
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#include "nrf_assert.h"
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#include "nrf_wdt.h"
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#include "app_util_platform.h"
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#include <stdbool.h>
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#include <stdint.h>
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#define NRF_LOG_MODULE_NAME wdt
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#if WDT_CONFIG_LOG_ENABLED
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#define NRF_LOG_LEVEL       WDT_CONFIG_LOG_LEVEL
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#define NRF_LOG_INFO_COLOR  WDT_CONFIG_INFO_COLOR
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#define NRF_LOG_DEBUG_COLOR WDT_CONFIG_DEBUG_COLOR
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#else //WDT_CONFIG_LOG_ENABLED
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#define NRF_LOG_LEVEL       0
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#endif //WDT_CONFIG_LOG_ENABLED
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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/**@brief WDT event handler. */
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static nrf_wdt_event_handler_t m_wdt_event_handler;
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/**@brief WDT state. */
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static nrf_drv_state_t m_state;
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/**@brief WDT alloc table. */
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static uint32_t m_alloc_index;
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static const nrf_drv_wdt_config_t m_default_config = NRF_DRV_WDT_DEAFULT_CONFIG;
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/**@brief WDT interrupt handler. */
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void WDT_IRQHandler(void)
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{
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    if (nrf_wdt_int_enable_check(NRF_WDT_INT_TIMEOUT_MASK) == true)
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    {
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        nrf_wdt_event_clear(NRF_WDT_EVENT_TIMEOUT);
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        m_wdt_event_handler();
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    }
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}
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ret_code_t nrf_drv_wdt_init(nrf_drv_wdt_config_t const * p_config,
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                            nrf_wdt_event_handler_t     wdt_event_handler)
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{
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    ASSERT(wdt_event_handler != NULL);
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    ret_code_t err_code;
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    m_wdt_event_handler = wdt_event_handler;
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    if (m_state == NRF_DRV_STATE_UNINITIALIZED)
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    {
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        m_state = NRF_DRV_STATE_INITIALIZED;
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    }
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    else
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    {
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        err_code = NRF_ERROR_INVALID_STATE;
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        NRF_LOG_WARNING("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
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        return err_code;
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    }
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    if (p_config == NULL)
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    {
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        p_config = &m_default_config;
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    }
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    nrf_wdt_behaviour_set(p_config->behaviour);
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    if ((((uint64_t) p_config->reload_value * 32768) / 1000) > UINT32_MAX) // Check for overflow
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    {
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        return NRF_ERROR_INVALID_PARAM;
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    }
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    nrf_wdt_reload_value_set(((uint64_t) p_config->reload_value * 32768) / 1000);
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    nrf_drv_common_irq_enable(WDT_IRQn, p_config->interrupt_priority);
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    err_code = NRF_SUCCESS;
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    NRF_LOG_INFO("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(err_code));
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    return err_code;
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}
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void nrf_drv_wdt_enable(void)
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{
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    ASSERT(m_alloc_index != 0);
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    ASSERT(m_state == NRF_DRV_STATE_INITIALIZED);
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    nrf_wdt_int_enable(NRF_WDT_INT_TIMEOUT_MASK);
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    nrf_wdt_task_trigger(NRF_WDT_TASK_START);
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    m_state = NRF_DRV_STATE_POWERED_ON;
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    NRF_LOG_INFO("Enabled.");
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}
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void nrf_drv_wdt_feed(void)
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{
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    ASSERT(m_state == NRF_DRV_STATE_POWERED_ON);
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    for (uint32_t i = 0; i < m_alloc_index; i++)
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    {
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        nrf_wdt_reload_request_set((nrf_wdt_rr_register_t)(NRF_WDT_RR0 + i));
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    }
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}
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ret_code_t nrf_drv_wdt_channel_alloc(nrf_drv_wdt_channel_id * p_channel_id)
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{
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    ret_code_t result;
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    ASSERT(p_channel_id);
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    ASSERT(m_state == NRF_DRV_STATE_INITIALIZED);
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    CRITICAL_REGION_ENTER();
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    if (m_alloc_index < NRF_WDT_CHANNEL_NUMBER)
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    {
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        *p_channel_id = (nrf_drv_wdt_channel_id)(NRF_WDT_RR0 + m_alloc_index);
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        m_alloc_index++;
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        nrf_wdt_reload_request_enable(*p_channel_id);
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        result = NRF_SUCCESS;
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    }
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    else
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    {
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        result = NRF_ERROR_NO_MEM;
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    }
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    CRITICAL_REGION_EXIT();
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    NRF_LOG_INFO("Function: %s, error code: %s.", (uint32_t)__func__, (uint32_t)NRF_LOG_ERROR_STRING_GET(result));
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    return result;
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}
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void nrf_drv_wdt_channel_feed(nrf_drv_wdt_channel_id channel_id)
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{
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    ASSERT(m_state == NRF_DRV_STATE_POWERED_ON);
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    nrf_wdt_reload_request_set(channel_id);
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}
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#endif //NRF_MODULE_ENABLED(WDT)
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@@ -1,160 +0,0 @@
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/**
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		||||
 * Copyright (c) 2014 - 2017, Nordic Semiconductor ASA
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		||||
 * 
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		||||
 * 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.
 | 
			
		||||
 * 
 | 
			
		||||
 */
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		||||
/**@file
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 * @addtogroup nrf_wdt WDT HAL and driver
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 * @ingroup nrf_drivers
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 * @brief Watchdog timer (WDT) APIs.
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 * @details The WDT HAL provides basic APIs for accessing the registers of the watchdog timer.
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 * The WDT driver provides APIs on a higher level.
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 * @defgroup nrf_drv_wdt WDT driver
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 * @{
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 * @ingroup  nrf_wdt
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		||||
 *
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 * @brief    Driver for managing the watchdog timer (WDT).
 | 
			
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 */
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#ifndef NRF_DRV_WDT_H__
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#define NRF_DRV_WDT_H__
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#include <stdbool.h>
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#include <stdint.h>
 | 
			
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#include "sdk_errors.h"
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#include "nrf_wdt.h"
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#include "sdk_config.h"
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		||||
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#ifdef __cplusplus
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		||||
extern "C" {
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#endif
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		||||
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/**@brief Struct for WDT initialization. */
 | 
			
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typedef struct
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{
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    nrf_wdt_behaviour_t    behaviour;          /**< WDT behaviour when CPU in sleep/halt mode. */
 | 
			
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    uint32_t               reload_value;       /**< WDT reload value in ms. */
 | 
			
		||||
    uint8_t                interrupt_priority; /**< WDT interrupt priority */
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} nrf_drv_wdt_config_t;
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		||||
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		||||
/**@brief WDT event handler function type. */
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typedef void (*nrf_wdt_event_handler_t)(void);
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 | 
			
		||||
/**@brief WDT channel id type. */
 | 
			
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typedef nrf_wdt_rr_register_t nrf_drv_wdt_channel_id;
 | 
			
		||||
 | 
			
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#define NRF_DRV_WDT_DEAFULT_CONFIG                                       \
 | 
			
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    {                                                                    \
 | 
			
		||||
        .behaviour          = (nrf_wdt_behaviour_t)WDT_CONFIG_BEHAVIOUR, \
 | 
			
		||||
        .reload_value       = WDT_CONFIG_RELOAD_VALUE,                   \
 | 
			
		||||
        .interrupt_priority = WDT_CONFIG_IRQ_PRIORITY,                   \
 | 
			
		||||
    }
 | 
			
		||||
/**
 | 
			
		||||
 * @brief This function initializes watchdog.
 | 
			
		||||
 *
 | 
			
		||||
 * @param[in] p_config          Initial configuration. Default configuration used if NULL.
 | 
			
		||||
 * @param[in] wdt_event_handler specifies event handler provided by user.
 | 
			
		||||
 *
 | 
			
		||||
 * @note Function asserts if wdt_event_handler is NULL.
 | 
			
		||||
 *
 | 
			
		||||
 * @return    NRF_SUCCESS on success, otherwise an error code.
 | 
			
		||||
 */
 | 
			
		||||
ret_code_t nrf_drv_wdt_init(nrf_drv_wdt_config_t const * p_config,
 | 
			
		||||
                            nrf_wdt_event_handler_t     wdt_event_handler);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief This function allocate watchdog channel.
 | 
			
		||||
 *
 | 
			
		||||
 * @note This function can not be called after nrf_drv_wdt_start(void).
 | 
			
		||||
 *
 | 
			
		||||
 * @param[out] p_channel_id      ID of granted channel.
 | 
			
		||||
 *
 | 
			
		||||
 * @return    NRF_SUCCESS on success, otherwise an error code.
 | 
			
		||||
 */
 | 
			
		||||
ret_code_t nrf_drv_wdt_channel_alloc(nrf_drv_wdt_channel_id * p_channel_id);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief This function starts watchdog.
 | 
			
		||||
 *
 | 
			
		||||
 * @note After calling this function the watchdog is started, so the user needs to feed all allocated
 | 
			
		||||
 *       watchdog channels to avoid reset. At least one watchdog channel has to be allocated.
 | 
			
		||||
 */
 | 
			
		||||
void nrf_drv_wdt_enable(void);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief This function feeds the watchdog.
 | 
			
		||||
 *
 | 
			
		||||
 * @details Function feeds all allocated watchdog channels.
 | 
			
		||||
 */
 | 
			
		||||
void nrf_drv_wdt_feed(void);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief This function feeds the invidual watchdog channel.
 | 
			
		||||
 *
 | 
			
		||||
 * @param[in] channel_id      ID of watchdog channel.
 | 
			
		||||
 */
 | 
			
		||||
void nrf_drv_wdt_channel_feed(nrf_drv_wdt_channel_id channel_id);
 | 
			
		||||
 | 
			
		||||
/**@brief Function for returning a requested task address for the wdt driver module.
 | 
			
		||||
 *
 | 
			
		||||
 * @param[in]  task                One of the peripheral tasks.
 | 
			
		||||
 *
 | 
			
		||||
 * @retval     Task address.
 | 
			
		||||
 */
 | 
			
		||||
__STATIC_INLINE uint32_t nrf_drv_wdt_ppi_task_addr(nrf_wdt_task_t task)
 | 
			
		||||
{
 | 
			
		||||
    return nrf_wdt_task_address_get(task);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**@brief Function for returning a requested event address for the wdt driver module.
 | 
			
		||||
 *
 | 
			
		||||
 * @param[in]  event               One of the peripheral events.
 | 
			
		||||
 *
 | 
			
		||||
 * @retval     Event address
 | 
			
		||||
 */
 | 
			
		||||
__STATIC_INLINE uint32_t nrf_drv_wdt_ppi_event_addr(nrf_wdt_event_t event)
 | 
			
		||||
{
 | 
			
		||||
    return nrf_wdt_event_address_get(event);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#ifdef __cplusplus
 | 
			
		||||
}
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/** @} */
 | 
			
		||||
@@ -1,60 +0,0 @@
 | 
			
		||||
/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
 | 
			
		||||
 *
 | 
			
		||||
 * The information contained herein is property of Nordic Semiconductor ASA.
 | 
			
		||||
 * Terms and conditions of usage are described in detail in NORDIC
 | 
			
		||||
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 | 
			
		||||
 *
 | 
			
		||||
 * Licensees are granted free, non-transferable use of the information. NO
 | 
			
		||||
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 | 
			
		||||
 * the file.
 | 
			
		||||
 *
 | 
			
		||||
 */
 | 
			
		||||
#ifndef HARFAULT_H__
 | 
			
		||||
#define HARFAULT_H__
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <stddef.h>
 | 
			
		||||
/**
 | 
			
		||||
 * @defgroup hardfault_default HardFault exception
 | 
			
		||||
 * @{
 | 
			
		||||
 * @brief Default HardFault exception implementation.
 | 
			
		||||
 * @ingroup app_common
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief Contents of the stack.
 | 
			
		||||
 *
 | 
			
		||||
 * This structure is used to re-create the stack layout after a HardFault exception was raised.
 | 
			
		||||
 */
 | 
			
		||||
typedef struct HardFault_stack
 | 
			
		||||
{
 | 
			
		||||
    uint32_t r0;  ///< R0 register.
 | 
			
		||||
    uint32_t r1;  ///< R1 register.
 | 
			
		||||
    uint32_t r2;  ///< R2 register.
 | 
			
		||||
    uint32_t r3;  ///< R3 register.
 | 
			
		||||
    uint32_t r12; ///< R12 register.
 | 
			
		||||
    uint32_t lr;  ///< Link register.
 | 
			
		||||
    uint32_t pc;  ///< Program counter.
 | 
			
		||||
    uint32_t psr; ///< Program status register.
 | 
			
		||||
}HardFault_stack_t;
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief Function for processing HardFault exceptions.
 | 
			
		||||
 *
 | 
			
		||||
 * An application that needs to process HardFault exceptions should provide an implementation of this function.
 | 
			
		||||
 * It will be called from the HardFault handler.
 | 
			
		||||
 * If no implementation is provided, the library uses a default one, which just restarts the MCU.
 | 
			
		||||
 *
 | 
			
		||||
 * @note If the DEBUG_NRF macro is defined, the software breakpoint is set just before the call 
 | 
			
		||||
 *       to this function.
 | 
			
		||||
 *
 | 
			
		||||
 * @param p_stack Pointer to the stack bottom.
 | 
			
		||||
 *                This pointer might be NULL if the HardFault was called when the main stack was
 | 
			
		||||
 *                the active stack and a stack overrun is detected.
 | 
			
		||||
 *                In such a situation, the stack pointer is reinitialized to the default position,
 | 
			
		||||
 *                and the stack content is lost.
 | 
			
		||||
 */
 | 
			
		||||
void HardFault_process(HardFault_stack_t *p_stack);
 | 
			
		||||
 | 
			
		||||
/** @} */
 | 
			
		||||
#endif /* HARFAULT_H__ */
 | 
			
		||||
 | 
			
		||||
@@ -1,47 +0,0 @@
 | 
			
		||||
/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
 | 
			
		||||
 *
 | 
			
		||||
 * The information contained herein is property of Nordic Semiconductor ASA.
 | 
			
		||||
 * Terms and conditions of usage are described in detail in NORDIC
 | 
			
		||||
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 | 
			
		||||
 *
 | 
			
		||||
 * Licensees are granted free, non-transferable use of the information. NO
 | 
			
		||||
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 | 
			
		||||
 * the file.
 | 
			
		||||
 *
 | 
			
		||||
 */
 | 
			
		||||
#include "hardfault.h"
 | 
			
		||||
#include "nrf.h"
 | 
			
		||||
#include "compiler_abstraction.h"
 | 
			
		||||
#include "nordic_common.h"
 | 
			
		||||
#ifdef SOFTDEVICE_PRESENT
 | 
			
		||||
#include "nrf_soc.h"
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#if defined(DEBUG_NRF)
 | 
			
		||||
/**
 | 
			
		||||
 * @brief Pointer to the last received stack pointer.
 | 
			
		||||
 *
 | 
			
		||||
 * This pointer is set in the debug version of the HardFault handler.
 | 
			
		||||
 * It helps to debug HardFault reasons.
 | 
			
		||||
 */
 | 
			
		||||
volatile HardFault_stack_t *HardFault_p_stack;
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
/*lint -save -e14 */
 | 
			
		||||
__WEAK void HardFault_process(HardFault_stack_t *p_stack)
 | 
			
		||||
{
 | 
			
		||||
    // Restart the system by default
 | 
			
		||||
    NVIC_SystemReset();
 | 
			
		||||
}
 | 
			
		||||
/*lint -restore */
 | 
			
		||||
 | 
			
		||||
void HardFault_c_handler( uint32_t *p_stack_address )
 | 
			
		||||
{
 | 
			
		||||
#if defined(DEBUG_NRF)
 | 
			
		||||
    HardFault_p_stack = (HardFault_stack_t*)p_stack_address;
 | 
			
		||||
    /* Generate breakpoint if debugger is connected */
 | 
			
		||||
    __BKPT(0);
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
    HardFault_process((HardFault_stack_t*)p_stack_address);
 | 
			
		||||
}
 | 
			
		||||
@@ -1,49 +0,0 @@
 | 
			
		||||
/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
 | 
			
		||||
 *
 | 
			
		||||
 * The information contained herein is property of Nordic Semiconductor ASA.
 | 
			
		||||
 * Terms and conditions of usage are described in detail in NORDIC
 | 
			
		||||
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 | 
			
		||||
 *
 | 
			
		||||
 * Licensees are granted free, non-transferable use of the information. NO
 | 
			
		||||
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 | 
			
		||||
 * the file.
 | 
			
		||||
 *
 | 
			
		||||
 */
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
 | 
			
		||||
void HardFault_Handler(void) __attribute__(( naked ));
 | 
			
		||||
 | 
			
		||||
void HardFault_Handler(void)
 | 
			
		||||
{
 | 
			
		||||
    __asm volatile(
 | 
			
		||||
    "   ldr r3, =HardFault_c_handler            \n"
 | 
			
		||||
    "   tst lr, #4                              \n"
 | 
			
		||||
 | 
			
		||||
    /* PSP is quite simple and does not require additional handler */
 | 
			
		||||
    "   itt ne                                  \n"
 | 
			
		||||
    "   mrsne r0, psp                           \n"
 | 
			
		||||
    /* Jump to the handler, do not store LR - returning from handler just exits exception */
 | 
			
		||||
    "   bxne  r3                                \n"
 | 
			
		||||
 | 
			
		||||
    /* Processing MSP requires stack checking */
 | 
			
		||||
    "   mrs r0, msp                             \n"
 | 
			
		||||
 | 
			
		||||
    "   ldr   r1, =__StackTop                   \n"
 | 
			
		||||
    "   ldr   r2, =__StackLimit                 \n"
 | 
			
		||||
 | 
			
		||||
    /* MSP is in the range of <__StackTop, __StackLimit) */
 | 
			
		||||
    "   cmp   r0, r1                            \n"
 | 
			
		||||
    "   bhi   HardFault_MoveSP                  \n"
 | 
			
		||||
    "   cmp   r0, r2                            \n"
 | 
			
		||||
    "   bhi   HardFault_Handler_Continue        \n"
 | 
			
		||||
 | 
			
		||||
    "HardFault_MoveSP:                          \n"
 | 
			
		||||
    "   mov   sp, r1                            \n"
 | 
			
		||||
    "   mov   r0, #0                            \n"
 | 
			
		||||
 | 
			
		||||
    "HardFault_Handler_Continue:                \n"
 | 
			
		||||
    "   bx r3                                   \n"
 | 
			
		||||
 | 
			
		||||
    "   .align                                  \n"
 | 
			
		||||
    );
 | 
			
		||||
}
 | 
			
		||||
		Reference in New Issue
	
	Block a user