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Dependencies: nrf51-sdk
Fork of nRF51822 by
Diff: nordic-sdk/components/drivers_nrf/hal/nrf_nvmc.c
- Revision:
- 381:c997e9717fb7
- Parent:
- 380:2261d409921e
- Child:
- 382:0d827746052f
--- a/nordic-sdk/components/drivers_nrf/hal/nrf_nvmc.c Mon Jul 06 10:21:02 2015 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,135 +0,0 @@
-/*
- * Copyright (c) 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 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 other
- * contributors to this software may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
- *
- */
-
-/**
- *@file
- *@brief NMVC driver implementation
- */
-
-#include "stdbool.h"
-#include "nrf.h"
-#include "nrf_nvmc.h"
-
-
-void nrf_nvmc_page_erase(uint32_t address)
-{
- // Enable erase.
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Een;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-
- // Erase the page
- NRF_NVMC->ERASEPAGE = address;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-}
-
-
-void nrf_nvmc_write_byte(uint32_t address, uint8_t value)
-{
- uint32_t byte_shift = address & (uint32_t)0x03;
- uint32_t address32 = address & ~byte_shift; // Address to the word this byte is in.
- uint32_t value32 = (*(uint32_t*)address32 & ~((uint32_t)0xFF << (byte_shift << (uint32_t)3)));
- value32 = value32 + ((uint32_t)value << (byte_shift << 3));
-
- // Enable write.
- NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-
- *(uint32_t*)address32 = value32;
- while(NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-
- NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos);
- {
- }
-}
-
-void nrf_nvmc_write_word(uint32_t address, uint32_t value)
-{
- // Enable write.
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
- }
-
- *(uint32_t*)address = value;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
- }
-
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-}
-
-void nrf_nvmc_write_bytes(uint32_t address, const uint8_t * src, uint32_t num_bytes)
-{
- uint32_t i;
- for(i=0;i<num_bytes;i++)
- {
- nrf_nvmc_write_byte(address+i,src[i]);
- }
-}
-
-void nrf_nvmc_write_words(uint32_t address, const uint32_t * src, uint32_t num_words)
-{
- uint32_t i;
-
- // Enable write.
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-
- for(i=0;i<num_words;i++)
- {
- ((uint32_t*)address)[i] = src[i];
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
- }
-
- NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
- while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
- {
- }
-}
