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							- /**
 
-  * Copyright (c) 2014 - 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 "app_util_platform.h"
 
- #include "ser_app_hal.h"
 
- #include "nrf.h"
 
- #include "nrf_gpio.h"
 
- #include "nrf_soc.h"
 
- #include "nrf_delay.h"
 
- #include "nrf_nvmc.h"
 
- #include "boards.h"
 
- #include "ser_phy.h"
 
- #include "ser_phy_config_app.h"
 
- #include "nrf_drv_clock.h"
 
- #define SOFTDEVICE_EVT_IRQ      SD_EVT_IRQn         /**< SoftDevice Event IRQ number. Used for both protocol events and SoC events. */
 
- #define FLASH_WRITE_MAX_LENGTH  ((uint16_t)NRF_FICR->CODEPAGESIZE)
 
- #define BLE_FLASH_PAGE_SIZE     ((uint16_t)NRF_FICR->CODEPAGESIZE)  /**< Size of one flash page. */
 
- static ser_app_hal_flash_op_done_handler_t m_flash_op_handler;
 
- uint32_t ser_app_hal_hw_init(ser_app_hal_flash_op_done_handler_t handler)
 
- {
 
-     nrf_gpio_cfg_output(CONN_CHIP_RESET_PIN_NO);
 
-     if (NRF_SUCCESS != nrf_drv_clock_init())
 
-     {
 
-         return NRF_ERROR_INTERNAL;
 
-     }
 
-     nrf_drv_clock_lfclk_request(NULL);
 
-     nrf_drv_clock_hfclk_request(NULL);
 
-     while (false == nrf_drv_clock_hfclk_is_running());
 
-     while (false == nrf_drv_clock_lfclk_is_running());
 
-     m_flash_op_handler = handler;
 
-     return NRF_SUCCESS;
 
- }
 
- void ser_app_hal_delay(uint32_t ms)
 
- {
 
-     nrf_delay_ms(ms);
 
- }
 
- void ser_app_hal_nrf_reset_pin_clear()
 
- {
 
-     nrf_gpio_pin_clear(CONN_CHIP_RESET_PIN_NO);
 
- }
 
- void ser_app_hal_nrf_reset_pin_set()
 
- {
 
-     nrf_gpio_pin_set(CONN_CHIP_RESET_PIN_NO);
 
- }
 
- void ser_app_hal_nrf_evt_irq_priority_set()
 
- {
 
-     NVIC_SetPriority(SOFTDEVICE_EVT_IRQ, APP_IRQ_PRIORITY_LOWEST);
 
- }
 
- void ser_app_hal_nrf_evt_pending()
 
- {
 
-     NVIC_SetPendingIRQ(SOFTDEVICE_EVT_IRQ);
 
- }
 
- uint32_t sd_ppi_channel_enable_get(uint32_t * p_channel_enable)
 
- {
 
-     *p_channel_enable = NRF_PPI->CHEN;
 
-     return NRF_SUCCESS;
 
- }
 
- uint32_t sd_ppi_channel_enable_set(uint32_t channel_enable_set_msk)
 
- {
 
-     NRF_PPI->CHEN = channel_enable_set_msk;
 
-     return NRF_SUCCESS;
 
- }
 
- uint32_t sd_ppi_channel_assign(uint8_t               channel_num,
 
-                                const volatile void * evt_endpoint,
 
-                                const volatile void * task_endpoint)
 
- {
 
-     NRF_PPI->CH[channel_num].TEP = (uint32_t)task_endpoint;
 
-     NRF_PPI->CH[channel_num].EEP = (uint32_t)evt_endpoint;
 
-     return NRF_SUCCESS;
 
- }
 
- /**
 
-  * @brief Check if given address is in device FLASH range.
 
-  *
 
-  * @param[in] ptr Address to check.
 
-  * @retval true  Given address is located in FLASH.
 
-  * @retval false Given address is not located in FLASH.
 
-  */
 
- __STATIC_INLINE bool addr_is_in_FLASH(void const * const ptr)
 
- {
 
-     return ((((uintptr_t)ptr) & 0xFF000000u) == 0x00000000u);
 
- }
 
- uint32_t sd_flash_page_erase(uint32_t page_number)
 
- {
 
-     uint32_t * p_page = (uint32_t *)(BLE_FLASH_PAGE_SIZE * page_number);
 
-     if (!addr_is_in_FLASH(p_page))
 
-     {
 
-         return NRF_ERROR_INVALID_ADDR;
 
-     }
 
-     nrf_nvmc_page_erase((uint32_t) p_page);
 
-     m_flash_op_handler(true);
 
-     return NRF_SUCCESS;
 
- }
 
- uint32_t sd_flash_write(uint32_t * const p_dst, uint32_t const * const p_src, uint32_t size)
 
- {
 
-     if (size > FLASH_WRITE_MAX_LENGTH)
 
-     {
 
-         return NRF_ERROR_INVALID_LENGTH;
 
-     }
 
-     if (!addr_is_in_FLASH(p_dst))
 
-     {
 
-         return NRF_ERROR_INVALID_ADDR;
 
-     }
 
-     nrf_nvmc_write_words((uint32_t) p_dst, p_src, size);
 
-     m_flash_op_handler(true);
 
-     return NRF_SUCCESS;
 
- }
 
 
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