mirror of https://github.com/ARMmbed/mbed-os.git
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2019, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "flash_api.h"
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#include "cyhal_flash.h"
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#if DEVICE_FLASH
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t flash_init(flash_t *obj)
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{
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if (CY_RSLT_SUCCESS != cyhal_flash_init(&(obj->flash))) {
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return -1;
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}
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cyhal_flash_get_info(&(obj->flash), &(obj->info));
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return 0;
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}
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int32_t flash_free(flash_t *obj)
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{
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cyhal_flash_free(&(obj->flash));
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return 0;
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}
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int32_t flash_erase_sector(flash_t *obj, uint32_t address)
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{
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return CY_RSLT_SUCCESS == cyhal_flash_erase(&(obj->flash), address) ? 0 : -1;
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}
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int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size)
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{
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return CY_RSLT_SUCCESS == cyhal_flash_read(&(obj->flash), address, data, size) ? 0 : -1;
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}
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int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
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{
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MBED_ASSERT(0 == (address % obj->info.blocks[0].page_size));
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MBED_ASSERT(0 == (size % obj->info.blocks[0].page_size));
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for (uint32_t offset = 0; offset < size; offset += obj->info.blocks[0].page_size) {
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if (CY_RSLT_SUCCESS != cyhal_flash_program(&(obj->flash), address + offset, (const uint32_t *)(data + offset))) {
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return -1;
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}
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}
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return 0;
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}
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uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
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{
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if (address < obj->info.blocks[0].start_address || address >= obj->info.blocks[0].start_address + obj->info.blocks[0].size) {
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return MBED_FLASH_INVALID_SIZE;
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}
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return obj->info.blocks[0].sector_size;
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}
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uint32_t flash_get_page_size(const flash_t *obj)
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{
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return obj->info.blocks[0].page_size;
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}
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uint32_t flash_get_start_address(const flash_t *obj)
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{
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return obj->info.blocks[0].start_address;
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}
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uint32_t flash_get_size(const flash_t *obj)
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{
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return obj->info.blocks[0].size;
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}
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uint8_t flash_get_erase_value(const flash_t *obj)
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{
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return obj->info.blocks[0].erase_value;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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