arm_uc_pal_flashiap_mbed.cpp

00001 // ----------------------------------------------------------------------------
00002 // Copyright 2016-2017 ARM Ltd.
00003 //
00004 // SPDX-License-Identifier: Apache-2.0
00005 //
00006 // Licensed under the Apache License, Version 2.0 (the "License");
00007 // you may not use this file except in compliance with the License.
00008 // You may obtain a copy of the License at
00009 //
00010 //     http://www.apache.org/licenses/LICENSE-2.0
00011 //
00012 // Unless required by applicable law or agreed to in writing, software
00013 // distributed under the License is distributed on an "AS IS" BASIS,
00014 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015 // See the License for the specific language governing permissions and
00016 // limitations under the License.
00017 // ----------------------------------------------------------------------------
00018 
00019 #include "arm_uc_config.h"
00020 #if defined(ARM_UC_FEATURE_PAL_FLASHIAP) && (ARM_UC_FEATURE_PAL_FLASHIAP == 1)
00021 #if defined(TARGET_LIKE_MBED)
00022 
00023 #include "update-client-pal-flashiap/arm_uc_pal_flashiap_platform.h"
00024 #include "mbed.h"
00025 
00026 SingletonPtr<FlashIAP> flash;
00027 
00028 int32_t arm_uc_flashiap_init(void)
00029 {
00030     /* Workaround for https://github.com/ARMmbed/mbed-os/issues/4967
00031      * pal_init calls flash.init() before here. Second call to flash.init() will
00032      * return -1 error state. Hence we ignore the result of flash.init here.
00033      */
00034     flash->init();
00035     return 0;
00036 }
00037 
00038 int32_t arm_uc_flashiap_erase(uint32_t address, uint32_t size)
00039 {
00040     return flash->erase(address, size);
00041 }
00042 
00043 int32_t arm_uc_flashiap_program(const uint8_t *buffer, uint32_t address, uint32_t size)
00044 {
00045     uint32_t page_size = flash->get_page_size();
00046     int status = ARM_UC_FLASHIAP_FAIL;
00047 
00048     for (uint32_t i = 0; i < size; i += page_size) {
00049         status = flash->program(buffer + i, address + i, page_size);
00050         if (status != ARM_UC_FLASHIAP_SUCCESS) {
00051             break;
00052         }
00053     }
00054 
00055     return status;
00056 }
00057 
00058 int32_t arm_uc_flashiap_read(uint8_t *buffer, uint32_t address, uint32_t size)
00059 {
00060     return flash->read(buffer, address, size);
00061 }
00062 
00063 uint32_t arm_uc_flashiap_get_page_size(void)
00064 {
00065     return flash->get_page_size();
00066 }
00067 
00068 uint32_t arm_uc_flashiap_get_sector_size(uint32_t address)
00069 {
00070     uint32_t sector_size = flash->get_sector_size(address);
00071     if (sector_size == ARM_UC_FLASH_INVALID_SIZE || sector_size == 0) {
00072         return ARM_UC_FLASH_INVALID_SIZE;
00073     } else {
00074         return sector_size;
00075     }
00076 }
00077 
00078 uint32_t arm_uc_flashiap_get_flash_size(void)
00079 {
00080     return flash->get_flash_size();
00081 }
00082 
00083 uint32_t arm_uc_flashiap_get_flash_start(void)
00084 {
00085     return flash->get_flash_start();
00086 }
00087 
00088 #endif /* TARGET_LIKE_MBED */
00089 #endif /* ARM_UC_FEATURE_PAL_FLASHIAP */