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TARGET_NRF51_DK/TOOLCHAIN_GCC_ARM/nrf5x_lf_clk_helper.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 171:3a7713b1edbc | 1 | /* |
AnnaBridge | 171:3a7713b1edbc | 2 | * Copyright (c) 2016 Nordic Semiconductor ASA |
AnnaBridge | 171:3a7713b1edbc | 3 | * All rights reserved. |
AnnaBridge | 171:3a7713b1edbc | 4 | * |
AnnaBridge | 171:3a7713b1edbc | 5 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 171:3a7713b1edbc | 6 | * are permitted provided that the following conditions are met: |
AnnaBridge | 171:3a7713b1edbc | 7 | * |
AnnaBridge | 171:3a7713b1edbc | 8 | * 1. Redistributions of source code must retain the above copyright notice, this list |
AnnaBridge | 171:3a7713b1edbc | 9 | * of conditions and the following disclaimer. |
AnnaBridge | 171:3a7713b1edbc | 10 | * |
AnnaBridge | 171:3a7713b1edbc | 11 | * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA |
AnnaBridge | 171:3a7713b1edbc | 12 | * integrated circuit in a product or a software update for such product, must reproduce |
AnnaBridge | 171:3a7713b1edbc | 13 | * the above copyright notice, this list of conditions and the following disclaimer in |
AnnaBridge | 171:3a7713b1edbc | 14 | * the documentation and/or other materials provided with the distribution. |
AnnaBridge | 171:3a7713b1edbc | 15 | * |
AnnaBridge | 171:3a7713b1edbc | 16 | * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be |
AnnaBridge | 171:3a7713b1edbc | 17 | * used to endorse or promote products derived from this software without specific prior |
AnnaBridge | 171:3a7713b1edbc | 18 | * written permission. |
AnnaBridge | 171:3a7713b1edbc | 19 | * |
AnnaBridge | 171:3a7713b1edbc | 20 | * 4. This software, with or without modification, must only be used with a |
AnnaBridge | 171:3a7713b1edbc | 21 | * Nordic Semiconductor ASA integrated circuit. |
AnnaBridge | 171:3a7713b1edbc | 22 | * |
AnnaBridge | 171:3a7713b1edbc | 23 | * 5. Any software provided in binary or object form under this license must not be reverse |
AnnaBridge | 171:3a7713b1edbc | 24 | * engineered, decompiled, modified and/or disassembled. |
AnnaBridge | 171:3a7713b1edbc | 25 | * |
AnnaBridge | 171:3a7713b1edbc | 26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
AnnaBridge | 171:3a7713b1edbc | 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
AnnaBridge | 171:3a7713b1edbc | 28 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 171:3a7713b1edbc | 29 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
AnnaBridge | 171:3a7713b1edbc | 30 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
AnnaBridge | 171:3a7713b1edbc | 31 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
AnnaBridge | 171:3a7713b1edbc | 32 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
AnnaBridge | 171:3a7713b1edbc | 33 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
AnnaBridge | 171:3a7713b1edbc | 34 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
AnnaBridge | 171:3a7713b1edbc | 35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 171:3a7713b1edbc | 36 | * |
AnnaBridge | 171:3a7713b1edbc | 37 | */ |
AnnaBridge | 171:3a7713b1edbc | 38 | |
AnnaBridge | 171:3a7713b1edbc | 39 | #ifndef __NRF5X_LF_CLK_HELPER_H_ |
AnnaBridge | 171:3a7713b1edbc | 40 | |
AnnaBridge | 171:3a7713b1edbc | 41 | #ifndef MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC |
AnnaBridge | 171:3a7713b1edbc | 42 | #define MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC (NRF_LF_SRC_XTAL) |
AnnaBridge | 171:3a7713b1edbc | 43 | #warning No configuration for LF clock source. Xtal source will be used as a default configuration. |
AnnaBridge | 171:3a7713b1edbc | 44 | #endif |
AnnaBridge | 171:3a7713b1edbc | 45 | |
AnnaBridge | 171:3a7713b1edbc | 46 | #define DEFAULT_LFCLK_CONF_ACCURACY NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM |
AnnaBridge | 171:3a7713b1edbc | 47 | |
AnnaBridge | 171:3a7713b1edbc | 48 | #ifdef NRF52 |
AnnaBridge | 171:3a7713b1edbc | 49 | #define MAX_LFCLK_CONF_RC_CTIV 32 |
AnnaBridge | 171:3a7713b1edbc | 50 | #else |
AnnaBridge | 171:3a7713b1edbc | 51 | #define MAX_LFCLK_CONF_RC_CTIV 64 |
AnnaBridge | 171:3a7713b1edbc | 52 | #endif |
AnnaBridge | 171:3a7713b1edbc | 53 | |
AnnaBridge | 171:3a7713b1edbc | 54 | #define MAX_LFCLK_CONF_RC_TEMP_CTIV 33 |
AnnaBridge | 171:3a7713b1edbc | 55 | |
AnnaBridge | 171:3a7713b1edbc | 56 | #define DEFAULT_LFCLK_CONF_RC_CTIV 16 // Check temperature every 16 * 250ms. |
AnnaBridge | 171:3a7713b1edbc | 57 | #define DEFAULT_LFCLK_CONF_RC_TEMP_CTIV 1 // Only calibrate if temperature has changed. |
AnnaBridge | 171:3a7713b1edbc | 58 | |
AnnaBridge | 171:3a7713b1edbc | 59 | |
AnnaBridge | 171:3a7713b1edbc | 60 | #define NRF_LF_SRC_XTAL 2 |
AnnaBridge | 171:3a7713b1edbc | 61 | #define NRF_LF_SRC_SYNTH 3 |
AnnaBridge | 171:3a7713b1edbc | 62 | #define NRF_LF_SRC_RC 4 |
AnnaBridge | 171:3a7713b1edbc | 63 | |
AnnaBridge | 171:3a7713b1edbc | 64 | #if MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_SYNTH |
AnnaBridge | 171:3a7713b1edbc | 65 | #define NRF_SDH_CLOCK_LF_SRC NRF_CLOCK_LF_SRC_SYNTH |
AnnaBridge | 171:3a7713b1edbc | 66 | #define NRF_SDH_CLOCK_LF_RC_CTIV 0 // Must be 0 if source is not NRF_CLOCK_LF_SRC_RC. |
AnnaBridge | 171:3a7713b1edbc | 67 | #define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV 0 // Must be 0 if source is not NRF_CLOCK_LF_SRC_RC. |
AnnaBridge | 171:3a7713b1edbc | 68 | #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_Synth) |
AnnaBridge | 171:3a7713b1edbc | 69 | #elif MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_XTAL |
AnnaBridge | 171:3a7713b1edbc | 70 | #define NRF_SDH_CLOCK_LF_SRC NRF_CLOCK_LF_SRC_XTAL |
AnnaBridge | 171:3a7713b1edbc | 71 | #define NRF_SDH_CLOCK_LF_RC_CTIV 0 // Must be 0 if source is not NRF_CLOCK_LF_SRC_RC. |
AnnaBridge | 171:3a7713b1edbc | 72 | #define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV 0 // Must be 0 if source is not NRF_CLOCK_LF_SRC_RC. |
AnnaBridge | 171:3a7713b1edbc | 73 | #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_Xtal) |
AnnaBridge | 171:3a7713b1edbc | 74 | #elif MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC == NRF_LF_SRC_RC |
AnnaBridge | 171:3a7713b1edbc | 75 | #define NRF_SDH_CLOCK_LF_SRC NRF_CLOCK_LF_SRC_RC |
AnnaBridge | 171:3a7713b1edbc | 76 | |
AnnaBridge | 171:3a7713b1edbc | 77 | #ifdef MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_TIMER_INTERVAL |
AnnaBridge | 171:3a7713b1edbc | 78 | #define NRF_SDH_CLOCK_LF_RC_CTIV MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_TIMER_INTERVAL |
AnnaBridge | 171:3a7713b1edbc | 79 | #else |
AnnaBridge | 171:3a7713b1edbc | 80 | #define NRF_SDH_CLOCK_LF_RC_CTIV DEFAULT_LFCLK_CONF_RC_CTIV |
AnnaBridge | 171:3a7713b1edbc | 81 | #endif |
AnnaBridge | 171:3a7713b1edbc | 82 | |
AnnaBridge | 171:3a7713b1edbc | 83 | #ifdef MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_MODE_CONFIG |
AnnaBridge | 171:3a7713b1edbc | 84 | #define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV MBED_CONF_NORDIC_NRF_LF_CLOCK_CALIB_MODE_CONFIG |
AnnaBridge | 171:3a7713b1edbc | 85 | #else |
AnnaBridge | 171:3a7713b1edbc | 86 | #define NRF_SDH_CLOCK_LF_RC_TEMP_CTIV DEFAULT_LFCLK_CONF_RC_TEMP_CTIV |
AnnaBridge | 171:3a7713b1edbc | 87 | #endif |
AnnaBridge | 171:3a7713b1edbc | 88 | |
AnnaBridge | 171:3a7713b1edbc | 89 | #if (NRF_SDH_CLOCK_LF_RC_CTIV < 1) || (NRF_SDH_CLOCK_LF_RC_CTIV > MAX_LFCLK_CONF_RC_CTIV) |
AnnaBridge | 171:3a7713b1edbc | 90 | #error Calibration timer interval out of range! |
AnnaBridge | 171:3a7713b1edbc | 91 | #endif |
AnnaBridge | 171:3a7713b1edbc | 92 | |
AnnaBridge | 171:3a7713b1edbc | 93 | #if (NRF_SDH_CLOCK_LF_RC_TEMP_CTIV < 0 ) || (NRF_SDH_CLOCK_LF_RC_TEMP_CTIV > 33) |
AnnaBridge | 171:3a7713b1edbc | 94 | #error Number/mode of LF RC calibration intervals out of range! |
AnnaBridge | 171:3a7713b1edbc | 95 | #endif |
AnnaBridge | 171:3a7713b1edbc | 96 | |
AnnaBridge | 171:3a7713b1edbc | 97 | #define CLOCK_LFCLKSRC_SRC_TO_USE (CLOCK_LFCLKSRC_SRC_RC) |
AnnaBridge | 171:3a7713b1edbc | 98 | #else |
AnnaBridge | 171:3a7713b1edbc | 99 | #error Bad LFCLK configuration. Declare proper source through mbed configuration. |
AnnaBridge | 171:3a7713b1edbc | 100 | #endif |
AnnaBridge | 171:3a7713b1edbc | 101 | |
AnnaBridge | 171:3a7713b1edbc | 102 | #undef NRF_LF_SRC_XTAL |
AnnaBridge | 171:3a7713b1edbc | 103 | #undef NRF_LF_SRC_SYNTH |
AnnaBridge | 171:3a7713b1edbc | 104 | #undef NRF_LF_SRC_RC |
AnnaBridge | 171:3a7713b1edbc | 105 | |
AnnaBridge | 171:3a7713b1edbc | 106 | #endif |