spider-bot/fw/nrf52/nrf5_sdk/components/libraries/bsp/bsp_nfc.c

85 lines
3.3 KiB
C

/**
* Copyright (c) 2015 - 2019, 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 "bsp_nfc.h"
#include "bsp.h"
#include "nrf.h"
#include "app_util_platform.h"
#ifndef BSP_SIMPLE
#define BTN_ACTION_SLEEP BSP_BUTTON_ACTION_RELEASE /**< Button action used to put the application into sleep mode. */
ret_code_t bsp_nfc_btn_init(uint32_t sleep_button)
{
uint32_t err_code = bsp_event_to_button_action_assign(sleep_button,
BTN_ACTION_SLEEP,
BSP_EVENT_SLEEP);
return err_code;
}
ret_code_t bsp_nfc_btn_deinit(uint32_t sleep_button)
{
uint32_t err_code = bsp_event_to_button_action_assign(sleep_button,
BTN_ACTION_SLEEP,
BSP_EVENT_DEFAULT);
return err_code;
}
ret_code_t bsp_nfc_sleep_mode_prepare(void)
{
#if defined(NFCT_PRESENT)
// Check if peripheral is not used.
CRITICAL_REGION_ENTER();
#ifdef NRF52832_XXAA
if ((*(uint32_t *)0x40005410 & 0x07) == 0)
#else
if ((NRF_NFCT->NFCTAGSTATE & NFCT_NFCTAGSTATE_NFCTAGSTATE_Msk)
== NFCT_NFCTAGSTATE_NFCTAGSTATE_Disabled)
#endif // NRF52832_XXAA
{
NRF_NFCT->TASKS_SENSE = 1;
}
CRITICAL_REGION_EXIT();
return NRF_SUCCESS;
#else
return NRF_ERROR_NOT_SUPPORTED;
#endif
}
#endif //BSP_SIMPLE