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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51_DK/TARGET_NORDIC/TARGET_NRF5/nrf5x_lf_clk_helper.h@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
156:ff21514d8981 
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /*
AnnaBridge 156:ff21514d8981 2 * Copyright (c) 2016 Nordic Semiconductor ASA
AnnaBridge 156:ff21514d8981 3 * All rights reserved.
AnnaBridge 156:ff21514d8981 4 *
AnnaBridge 156:ff21514d8981 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 156:ff21514d8981 6 * are permitted provided that the following conditions are met:
AnnaBridge 156:ff21514d8981 7 *
AnnaBridge 156:ff21514d8981 8 * 1. Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 156:ff21514d8981 9 * of conditions and the following disclaimer.
AnnaBridge 156:ff21514d8981 10 *
AnnaBridge 156:ff21514d8981 11 * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA
AnnaBridge 156:ff21514d8981 12 * integrated circuit in a product or a software update for such product, must reproduce
AnnaBridge 156:ff21514d8981 13 * the above copyright notice, this list of conditions and the following disclaimer in
AnnaBridge 156:ff21514d8981 14 * the documentation and/or other materials provided with the distribution.
AnnaBridge 156:ff21514d8981 15 *
AnnaBridge 156:ff21514d8981 16 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be
AnnaBridge 156:ff21514d8981 17 * used to endorse or promote products derived from this software without specific prior
AnnaBridge 156:ff21514d8981 18 * written permission.
AnnaBridge 156:ff21514d8981 19 *
AnnaBridge 156:ff21514d8981 20 * 4. This software, with or without modification, must only be used with a
AnnaBridge 156:ff21514d8981 21 * Nordic Semiconductor ASA integrated circuit.
AnnaBridge 156:ff21514d8981 22 *
AnnaBridge 156:ff21514d8981 23 * 5. Any software provided in binary or object form under this license must not be reverse
AnnaBridge 156:ff21514d8981 24 * engineered, decompiled, modified and/or disassembled.
AnnaBridge 156:ff21514d8981 25 *
AnnaBridge 156:ff21514d8981 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 156:ff21514d8981 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 156:ff21514d8981 28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 156:ff21514d8981 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 156:ff21514d8981 30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 156:ff21514d8981 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 156:ff21514d8981 32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 156:ff21514d8981 33 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 156:ff21514d8981 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 156:ff21514d8981 35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 156:ff21514d8981 36 *
AnnaBridge 156:ff21514d8981 37 */
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39 #ifndef __NRF5X_LF_CLK_HELPER_H_
AnnaBridge 156:ff21514d8981 40
AnnaBridge 156:ff21514d8981 41 #ifndef MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC
AnnaBridge 156:ff21514d8981 42 #define MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC (NRF_LF_SRC_XTAL)
AnnaBridge 156:ff21514d8981 43 #warning No configuration for LF clock source. Xtal source will be used as a default configuration.
AnnaBridge 156:ff21514d8981 44 #endif
AnnaBridge 156:ff21514d8981 45
AnnaBridge 156:ff21514d8981 46
AnnaBridge 156:ff21514d8981 47
AnnaBridge 156:ff21514d8981 48 #define NRF_LF_SRC_XTAL 2
AnnaBridge 156:ff21514d8981 49 #define NRF_LF_SRC_SYNTH 3
AnnaBridge 156:ff21514d8981 50 #define NRF_LF_SRC_RC 4
AnnaBridge 156:ff21514d8981 51
AnnaBridge 156:ff21514d8981 52 #if MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_SYNTH
AnnaBridge 156:ff21514d8981 53 #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_Synth)
AnnaBridge 156:ff21514d8981 54 #elif MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_XTAL
AnnaBridge 156:ff21514d8981 55 #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_Xtal)
AnnaBridge 156:ff21514d8981 56 #elif MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_RC
AnnaBridge 156:ff21514d8981 57 #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_RC)
AnnaBridge 156:ff21514d8981 58 #else
AnnaBridge 156:ff21514d8981 59 #error Bad LFCLK configuration. Declare proper source through mbed configuration.
AnnaBridge 156:ff21514d8981 60 #endif
AnnaBridge 156:ff21514d8981 61
AnnaBridge 156:ff21514d8981 62 #undef NRF_LF_SRC_XTAL
AnnaBridge 156:ff21514d8981 63 #undef NRF_LF_SRC_SYNTH
AnnaBridge 156:ff21514d8981 64 #undef NRF_LF_SRC_RC
AnnaBridge 156:ff21514d8981 65
AnnaBridge 156:ff21514d8981 66 #endif