Maxim Ibragimov / mbed-dev

mbed library sources. Supersedes mbed-src. Fixed broken STM32F1xx RTC on rtc_api.c

Dependents:   Nucleo_F103RB_RTC_battery_bkup_pwr_off_okay

Fork of mbed-dev by mbed official

targets/TARGET_NORDIC/TARGET_NRF5/flash_api.c@177:619788de047e, 2017-11-07 (annotated)

Committer:
maxxir
Date:
Tue Nov 07 16:46:29 2017 +0000
Revision:
177:619788de047e
Parent:
166:c97ed07ec1a8 
To fix broken RTC on Nucleo_F103RB / STM32F103 BluePill etc..;  Used direct RTC register manipulation for STM32F1xx;  rtc_read() && rtc_write()  (native rtc_init() - works good);  also added stub for non-working on STM32F1xx rtc_read_subseconds().

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 166:c97ed07ec1a8 1 /*
AnnaBridge 166:c97ed07ec1a8 2 * Copyright (c) 2017 Nordic Semiconductor ASA
AnnaBridge 166:c97ed07ec1a8 3 * All rights reserved.
AnnaBridge 166:c97ed07ec1a8 4 *
AnnaBridge 166:c97ed07ec1a8 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 166:c97ed07ec1a8 6 * are permitted provided that the following conditions are met:
AnnaBridge 166:c97ed07ec1a8 7 *
AnnaBridge 166:c97ed07ec1a8 8 * 1. Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 166:c97ed07ec1a8 9 * of conditions and the following disclaimer.
AnnaBridge 166:c97ed07ec1a8 10 *
AnnaBridge 166:c97ed07ec1a8 11 * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA
AnnaBridge 166:c97ed07ec1a8 12 * integrated circuit in a product or a software update for such product, must reproduce
AnnaBridge 166:c97ed07ec1a8 13 * the above copyright notice, this list of conditions and the following disclaimer in
AnnaBridge 166:c97ed07ec1a8 14 * the documentation and/or other materials provided with the distribution.
AnnaBridge 166:c97ed07ec1a8 15 *
AnnaBridge 166:c97ed07ec1a8 16 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be
AnnaBridge 166:c97ed07ec1a8 17 * used to endorse or promote products derived from this software without specific prior
AnnaBridge 166:c97ed07ec1a8 18 * written permission.
AnnaBridge 166:c97ed07ec1a8 19 *
AnnaBridge 166:c97ed07ec1a8 20 * 4. This software, with or without modification, must only be used with a
AnnaBridge 166:c97ed07ec1a8 21 * Nordic Semiconductor ASA integrated circuit.
AnnaBridge 166:c97ed07ec1a8 22 *
AnnaBridge 166:c97ed07ec1a8 23 * 5. Any software provided in binary or object form under this license must not be reverse
AnnaBridge 166:c97ed07ec1a8 24 * engineered, decompiled, modified and/or disassembled.
AnnaBridge 166:c97ed07ec1a8 25 *
AnnaBridge 166:c97ed07ec1a8 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 166:c97ed07ec1a8 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 166:c97ed07ec1a8 28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 166:c97ed07ec1a8 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 166:c97ed07ec1a8 30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 166:c97ed07ec1a8 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 166:c97ed07ec1a8 32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 166:c97ed07ec1a8 33 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 166:c97ed07ec1a8 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 166:c97ed07ec1a8 35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 166:c97ed07ec1a8 36 *
AnnaBridge 166:c97ed07ec1a8 37 */
AnnaBridge 166:c97ed07ec1a8 38
AnnaBridge 166:c97ed07ec1a8 39 #include "flash_api.h"
AnnaBridge 166:c97ed07ec1a8 40 #include "nrf_nvmc.h"
AnnaBridge 166:c97ed07ec1a8 41 #include "nrf_soc.h"
AnnaBridge 166:c97ed07ec1a8 42 #include "nrf_sdm.h"
AnnaBridge 166:c97ed07ec1a8 43
AnnaBridge 166:c97ed07ec1a8 44 #if DEVICE_FLASH
AnnaBridge 166:c97ed07ec1a8 45
AnnaBridge 166:c97ed07ec1a8 46 int32_t flash_init(flash_t *obj)
AnnaBridge 166:c97ed07ec1a8 47 {
AnnaBridge 166:c97ed07ec1a8 48 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 49 uint8_t sd_enabled;
AnnaBridge 166:c97ed07ec1a8 50 if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
AnnaBridge 166:c97ed07ec1a8 51 return -1;
AnnaBridge 166:c97ed07ec1a8 52 }
AnnaBridge 166:c97ed07ec1a8 53 return 0;
AnnaBridge 166:c97ed07ec1a8 54 }
AnnaBridge 166:c97ed07ec1a8 55
AnnaBridge 166:c97ed07ec1a8 56 int32_t flash_free(flash_t *obj)
AnnaBridge 166:c97ed07ec1a8 57 {
AnnaBridge 166:c97ed07ec1a8 58 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 59 return 0;
AnnaBridge 166:c97ed07ec1a8 60 }
AnnaBridge 166:c97ed07ec1a8 61
AnnaBridge 166:c97ed07ec1a8 62 int32_t flash_erase_sector(flash_t *obj, uint32_t address)
AnnaBridge 166:c97ed07ec1a8 63 {
AnnaBridge 166:c97ed07ec1a8 64 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 65 uint8_t sd_enabled;
AnnaBridge 166:c97ed07ec1a8 66 if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
AnnaBridge 166:c97ed07ec1a8 67 return -1;
AnnaBridge 166:c97ed07ec1a8 68 }
AnnaBridge 166:c97ed07ec1a8 69 nrf_nvmc_page_erase(address);
AnnaBridge 166:c97ed07ec1a8 70 return 0;
AnnaBridge 166:c97ed07ec1a8 71 }
AnnaBridge 166:c97ed07ec1a8 72
AnnaBridge 166:c97ed07ec1a8 73 int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
AnnaBridge 166:c97ed07ec1a8 74 {
AnnaBridge 166:c97ed07ec1a8 75 uint8_t sd_enabled;
AnnaBridge 166:c97ed07ec1a8 76 if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
AnnaBridge 166:c97ed07ec1a8 77 return -1;
AnnaBridge 166:c97ed07ec1a8 78 }
AnnaBridge 166:c97ed07ec1a8 79 /* We will use *_words function to speed up flashing code. Word means 32bit -> 4B
AnnaBridge 166:c97ed07ec1a8 80 * or sizeof(uint32_t).
AnnaBridge 166:c97ed07ec1a8 81 */
AnnaBridge 166:c97ed07ec1a8 82 nrf_nvmc_write_words(address, (const uint32_t *) data, (size / sizeof(uint32_t)));
AnnaBridge 166:c97ed07ec1a8 83 return 0;
AnnaBridge 166:c97ed07ec1a8 84 }
AnnaBridge 166:c97ed07ec1a8 85
AnnaBridge 166:c97ed07ec1a8 86 uint32_t flash_get_size(const flash_t *obj)
AnnaBridge 166:c97ed07ec1a8 87 {
AnnaBridge 166:c97ed07ec1a8 88 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 89 /* Just count flash size. */
AnnaBridge 166:c97ed07ec1a8 90 return NRF_FICR->CODESIZE * NRF_FICR->CODEPAGESIZE;
AnnaBridge 166:c97ed07ec1a8 91 }
AnnaBridge 166:c97ed07ec1a8 92
AnnaBridge 166:c97ed07ec1a8 93 uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
AnnaBridge 166:c97ed07ec1a8 94 {
AnnaBridge 166:c97ed07ec1a8 95 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 96 /* Test if passed address is in flash space. */
AnnaBridge 166:c97ed07ec1a8 97 if (address < flash_get_size(obj)) {
AnnaBridge 166:c97ed07ec1a8 98 return NRF_FICR->CODEPAGESIZE;
AnnaBridge 166:c97ed07ec1a8 99 }
AnnaBridge 166:c97ed07ec1a8 100 /* Something goes wrong, return invalid size error code. */
AnnaBridge 166:c97ed07ec1a8 101 return MBED_FLASH_INVALID_SIZE;
AnnaBridge 166:c97ed07ec1a8 102 }
AnnaBridge 166:c97ed07ec1a8 103
AnnaBridge 166:c97ed07ec1a8 104 uint32_t flash_get_page_size(const flash_t *obj)
AnnaBridge 166:c97ed07ec1a8 105 {
AnnaBridge 166:c97ed07ec1a8 106 (void)(obj);
AnnaBridge 166:c97ed07ec1a8 107 return NRF_FICR->CODEPAGESIZE;
AnnaBridge 166:c97ed07ec1a8 108 }
AnnaBridge 166:c97ed07ec1a8 109
AnnaBridge 166:c97ed07ec1a8 110 uint32_t flash_get_start_address(const flash_t *obj)
AnnaBridge 166:c97ed07ec1a8 111 {
AnnaBridge 166:c97ed07ec1a8 112 return 0;
AnnaBridge 166:c97ed07ec1a8 113 }
AnnaBridge 166:c97ed07ec1a8 114
AnnaBridge 166:c97ed07ec1a8 115 #endif
AnnaBridge 166:c97ed07ec1a8 116
AnnaBridge 166:c97ed07ec1a8 117 /** @}*/