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 #if defined(TARGET_LIKE_MBED)
00020 
00021 #include "update-client-pal-flashiap/arm_uc_pal_flashiap_platform.h"
00022 #include "mbed.h"
00023 
00024 static FlashIAP flash;
00025 
00026 int32_t arm_uc_flashiap_init(void)
00027 {
00028     /* Workaround for https://github.com/ARMmbed/mbed-os/issues/4967
00029      * pal_init calls flash.init() before here. Second call to flash.init() will
00030      * return -1 error state. Hence we ignore the result of flash.init here.
00031      */
00032     flash.init();
00033     return 0;
00034 }
00035 
00036 int32_t arm_uc_flashiap_erase(uint32_t address, uint32_t size)
00037 {
00038     return flash.erase(address, size);
00039 }
00040 
00041 int32_t arm_uc_flashiap_program(const uint8_t* buffer, uint32_t address, uint32_t size)
00042 {
00043     uint32_t page_size = flash.get_page_size();
00044     int status = ARM_UC_FLASHIAP_FAIL;
00045 
00046     for (uint32_t i = 0; i < size; i += page_size)
00047     {
00048         status = flash.program(buffer+i, address+i, page_size);
00049         if (status != ARM_UC_FLASHIAP_SUCCESS)
00050         {
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     {
00073         return ARM_UC_FLASH_INVALID_SIZE;
00074     }
00075     else
00076     {
00077         return sector_size;
00078     }
00079 }
00080 
00081 uint32_t arm_uc_flashiap_get_flash_size(void)
00082 {
00083     return flash.get_flash_size();
00084 }
00085 
00086 uint32_t arm_uc_flashiap_get_flash_start(void)
00087 {
00088     return flash.get_flash_start();
00089 }
00090 #endif