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nRF51822/nordic/nrf-sdk/nrf_nvmc.h@5:984cc7e96073, 2017-12-21 (annotated)

Committer:
tridung141196
Date:
Thu Dec 21 03:40:35 2017 +0000
Revision:
5:984cc7e96073
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0:76dfa9657d9d 
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jksoft 0:76dfa9657d9d 1 /* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
jksoft 0:76dfa9657d9d 2 *
jksoft 0:76dfa9657d9d 3 * The information contained herein is confidential property of Nordic
jksoft 0:76dfa9657d9d 4 * Semiconductor ASA.Terms and conditions of usage are described in detail
jksoft 0:76dfa9657d9d 5 * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
jksoft 0:76dfa9657d9d 6 *
jksoft 0:76dfa9657d9d 7 * Licensees are granted free, non-transferable use of the information. NO
jksoft 0:76dfa9657d9d 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
jksoft 0:76dfa9657d9d 9 * the file.
jksoft 0:76dfa9657d9d 10 *
jksoft 0:76dfa9657d9d 11 * $LastChangedRevision: 17685 $
jksoft 0:76dfa9657d9d 12 */
jksoft 0:76dfa9657d9d 13
jksoft 0:76dfa9657d9d 14 /**
jksoft 0:76dfa9657d9d 15 * @file
jksoft 0:76dfa9657d9d 16 * @brief NMVC driver API.
jksoft 0:76dfa9657d9d 17 */
jksoft 0:76dfa9657d9d 18
jksoft 0:76dfa9657d9d 19 #ifndef NRF_NVMC_H__
jksoft 0:76dfa9657d9d 20 #define NRF_NVMC_H__
jksoft 0:76dfa9657d9d 21
jksoft 0:76dfa9657d9d 22 #include <stdint.h>
jksoft 0:76dfa9657d9d 23
jksoft 0:76dfa9657d9d 24
jksoft 0:76dfa9657d9d 25 /**
jksoft 0:76dfa9657d9d 26 * @defgroup nrf_nvmc Non-volatile memory controller
jksoft 0:76dfa9657d9d 27 * @{
jksoft 0:76dfa9657d9d 28 * @ingroup nrf_drivers
jksoft 0:76dfa9657d9d 29 * @brief Driver for the nRF51 NVMC peripheral.
jksoft 0:76dfa9657d9d 30 *
jksoft 0:76dfa9657d9d 31 * This driver allows writing to the non-volatile memory (NVM) regions
jksoft 0:76dfa9657d9d 32 * of the nRF51. In order to write to NVM the controller must be powered
jksoft 0:76dfa9657d9d 33 * on and the relevant page must be erased.
jksoft 0:76dfa9657d9d 34 *
jksoft 0:76dfa9657d9d 35 */
jksoft 0:76dfa9657d9d 36
jksoft 0:76dfa9657d9d 37
jksoft 0:76dfa9657d9d 38 /**
jksoft 0:76dfa9657d9d 39 * @brief Erase a page in flash. This is required before writing to any
jksoft 0:76dfa9657d9d 40 * address in the page.
jksoft 0:76dfa9657d9d 41 *
jksoft 0:76dfa9657d9d 42 * @param address Start address of the page.
jksoft 0:76dfa9657d9d 43 */
jksoft 0:76dfa9657d9d 44 void nrf_nvmc_page_erase(uint32_t address);
jksoft 0:76dfa9657d9d 45
jksoft 0:76dfa9657d9d 46
jksoft 0:76dfa9657d9d 47 /**
jksoft 0:76dfa9657d9d 48 * @brief Write a single byte to flash.
jksoft 0:76dfa9657d9d 49 *
jksoft 0:76dfa9657d9d 50 * The function reads the word containing the byte, and then
jksoft 0:76dfa9657d9d 51 * rewrites the entire word.
jksoft 0:76dfa9657d9d 52 *
jksoft 0:76dfa9657d9d 53 * @param address Address to write to.
jksoft 0:76dfa9657d9d 54 * @param value Value to write.
jksoft 0:76dfa9657d9d 55 */
jksoft 0:76dfa9657d9d 56 void nrf_nvmc_write_byte(uint32_t address , uint8_t value);
jksoft 0:76dfa9657d9d 57
jksoft 0:76dfa9657d9d 58
jksoft 0:76dfa9657d9d 59 /**
jksoft 0:76dfa9657d9d 60 * @brief Write a 32-bit word to flash.
jksoft 0:76dfa9657d9d 61 * @param address Address to write to.
jksoft 0:76dfa9657d9d 62 * @param value Value to write.
jksoft 0:76dfa9657d9d 63 */
jksoft 0:76dfa9657d9d 64 void nrf_nvmc_write_word(uint32_t address, uint32_t value);
jksoft 0:76dfa9657d9d 65
jksoft 0:76dfa9657d9d 66
jksoft 0:76dfa9657d9d 67 /**
jksoft 0:76dfa9657d9d 68 * @brief Write consecutive bytes to flash.
jksoft 0:76dfa9657d9d 69 *
jksoft 0:76dfa9657d9d 70 * @param address Address to write to.
jksoft 0:76dfa9657d9d 71 * @param src Pointer to data to copy from.
jksoft 0:76dfa9657d9d 72 * @param num_bytes Number of bytes in src to write.
jksoft 0:76dfa9657d9d 73 */
jksoft 0:76dfa9657d9d 74 void nrf_nvmc_write_bytes(uint32_t address, const uint8_t * src, uint32_t num_bytes);
jksoft 0:76dfa9657d9d 75
jksoft 0:76dfa9657d9d 76
jksoft 0:76dfa9657d9d 77 /**
jksoft 0:76dfa9657d9d 78 @ @brief Write consecutive words to flash.
jksoft 0:76dfa9657d9d 79 *
jksoft 0:76dfa9657d9d 80 * @param address Address to write to.
jksoft 0:76dfa9657d9d 81 * @param src Pointer to data to copy from.
jksoft 0:76dfa9657d9d 82 * @param num_words Number of bytes in src to write.
jksoft 0:76dfa9657d9d 83 */
jksoft 0:76dfa9657d9d 84 void nrf_nvmc_write_words(uint32_t address, const uint32_t * src, uint32_t num_words);
jksoft 0:76dfa9657d9d 85
jksoft 0:76dfa9657d9d 86
jksoft 0:76dfa9657d9d 87 #endif // NRF_NVMC_H__
jksoft 0:76dfa9657d9d 88 /** @} */
jksoft 0:76dfa9657d9d 89
jksoft 0:76dfa9657d9d 90