99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*
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* This file is part of Adafruit for EFR32 project
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*
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* The MIT License (MIT)
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*
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* Copyright 2023 Silicon Laboratories Inc. www.silabs.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "common-hal/nvm/ByteArray.h"
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#include "supervisor/shared/stack.h"
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#include "py/runtime.h"
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#include "supervisor/shared/translate/translate.h"
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#include "nvm3_default.h"
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#include "nvm3_default_config.h"
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uint8_t nvm_array[NVM_BYTEARRAY_BUFFER_SIZE];
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STATIC bool isInitialized = false;
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#define NVM_KEY 98
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// Get length of nvm bytearray
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uint32_t common_hal_nvm_bytearray_get_length(nvm_bytearray_obj_t *self) {
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return self->len;
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}
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uint32_t nvm3_read(nvm_bytearray_obj_t *self) {
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uint32_t type;
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Ecode_t err;
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size_t len;
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if (isInitialized == false) {
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nvm3_initDefault();
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isInitialized = true;
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}
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err = nvm3_getObjectInfo(nvm3_defaultHandle, NVM_KEY, &type, &len);
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if (err != ECODE_NVM3_OK || type != NVM3_OBJECTTYPE_DATA
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|| len != NVM_BYTEARRAY_BUFFER_SIZE) {
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nvm3_deleteObject(nvm3_defaultHandle, NVM_KEY);
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nvm3_writeData(nvm3_defaultHandle, NVM_KEY, nvm_array,
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NVM_BYTEARRAY_BUFFER_SIZE);
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}
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err = nvm3_readData(nvm3_defaultHandle, NVM_KEY, nvm_array,
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NVM_BYTEARRAY_BUFFER_SIZE);
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return err;
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}
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// Write n bytes to nvm bytearray
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bool common_hal_nvm_bytearray_set_bytes(nvm_bytearray_obj_t *self,
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uint32_t start_index, uint8_t *values,
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uint32_t len) {
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Ecode_t err;
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err = nvm3_read(self);
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if (err != ECODE_NVM3_OK) {
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mp_raise_RuntimeError(translate("NVM3 read false"));
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}
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// Set bytes in buffer
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memmove(nvm_array + start_index, values, len);
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err = nvm3_writeData(nvm3_defaultHandle, NVM_KEY, nvm_array,
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NVM_BYTEARRAY_BUFFER_SIZE);
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if (err != ECODE_NVM3_OK) {
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mp_raise_RuntimeError(translate("NVM3 write false"));
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}
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return true;
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}
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// Read n bytes from nvm bytearray
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void common_hal_nvm_bytearray_get_bytes(nvm_bytearray_obj_t *self,
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uint32_t start_index,
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uint32_t len, uint8_t *values) {
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nvm3_read(self);
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memcpy(values, nvm_array + start_index, len);
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}
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