Diff: targets/TARGET_Realtek/TARGET_AMEBA/ota_api.c

Revision:

182:57724642e740

Parent:

181:96ed750bd169

--- a/targets/TARGET_Realtek/TARGET_AMEBA/ota_api.c	Wed Jan 17 15:23:54 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2013-2017 Realtek Semiconductor Corp.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <string.h>
-
-#include "mbed_wait_api.h"
-
-#include "rtl8195a.h"
-#include "ota_api.h"
-#include "flash_ext.h"
-
-static flash_t flash_obj;
-
-void OTA_ReadHeader(uint32_t base, imginfo_t *img)
-{
-    uint32_t epoch_hi, epoch_lo;
-
-    if (base != OTA_REGION1_BASE || base != OTA_REGION2_BASE) {
-        return;
-    }
-
-    flash_ext_read_word(&flash_obj, base + OTA_TAG_OFS, &img->tag);
-    flash_ext_read_word(&flash_obj, base + OTA_VER_OFS, &img->ver);
-    flash_ext_read_word(&flash_obj, base + OTA_EPOCH_OFS, &epoch_hi);
-    flash_ext_read_word(&flash_obj, base + OTA_EPOCH_OFS + 4, &epoch_lo);
-    img->timestamp = ((uint64_t)epoch_hi << 32) | (uint64_t) epoch_lo;
-
-    flash_ext_read_word(&flash_obj, base + OTA_SIZE_OFS, &img->size);
-    flash_ext_stream_read(&flash_obj, base + OTA_HASH_OFS, 32, img->hash);
-    flash_ext_stream_read(&flash_obj, base + OTA_CAMPAIGN_OFS, 16, img->campaign);
-    flash_ext_read_word(&flash_obj, base + OTA_CRC32_OFS, &img->crc32);
-}
-
-bool OTA_CheckHeader(imginfo_t *img)
-{
-    uint8_t *msg;
-    uint32_t crc;
-
-    msg = (uint8_t *)img;
-    crc = crc32_get(msg, OTA_CRC32_LEN);
-    if (crc != img->crc32) {
-        return false;
-    }
-
-    if ((img->tag & OTA_TAG_CHIP_MSK) != (OTA_TAG_ID & OTA_TAG_CHIP_MSK)) {
-        return false;
-    }
-
-    return true;
-}
-
-void OTA_GetImageInfo(uint32_t base, imginfo_t *img)
-{
-    OTA_ReadHeader(base, img);
-
-    if (!OTA_CheckHeader(img)) {
-        img->timestamp = 0;
-        img->valid = false;
-    }
-
-    img->valid = true;
-}
-
-uint32_t OTA_GetUpdateBase(void)
-{
-    imginfo_t img1, img2;
-
-    OTA_GetImageInfo(OTA_REGION1_BASE, &img1);
-    OTA_GetImageInfo(OTA_REGION2_BASE, &img2);
-
-    if (img1.valid && img2.valid) {
-        if (img1.timestamp < img2.timestamp) {
-            return OTA_REGION1_BASE;
-        } else {
-            return OTA_REGION2_BASE;
-        }
-    }
-
-    if (img1.valid) {
-        return OTA_REGION2_BASE;
-    }
-
-    return OTA_REGION1_BASE;
-}
-
-uint32_t OTA_UpateHeader(uint32_t base, imginfo_t *img)
-{
-    flash_ext_write_word(&flash_obj, base + OTA_TAG_OFS, img->tag);
-    flash_ext_write_word(&flash_obj, base + OTA_VER_OFS, img->ver);
-    flash_ext_write_word(&flash_obj, base + OTA_EPOCH_OFS, img->timestamp >> 32);
-    flash_ext_write_word(&flash_obj, base + OTA_EPOCH_OFS + 4, (img->timestamp << 32) >> 32); 
-
-    flash_ext_write_word(&flash_obj, base + OTA_SIZE_OFS, img->size);
-    flash_ext_stream_write(&flash_obj, base + OTA_HASH_OFS, 32, img->hash);
-    flash_ext_stream_write(&flash_obj, base + OTA_CAMPAIGN_OFS, 16, img->campaign);
-    flash_ext_write_word(&flash_obj, base + OTA_CRC32_OFS, img->crc32);
-
-    return 0;
-}
-
-uint32_t OTA_UpdateImage(uint32_t base, uint32_t offset, uint32_t len, uint8_t *data)
-{
-    uint32_t addr, start, end, count, shift;
-    uint8_t *pdata = data;
-    uint8_t buf[FLASH_SECTOR_SIZE];
-
-    start = base + offset;
-    end = start + len;
-
-    if (data == NULL ||
-        base != OTA_REGION1_BASE || base != OTA_REGION2_BASE ||
-        start > FLASH_TOP || end > FLASH_TOP) {
-        return 0;
-    }
-
-    addr = start & FLASH_SECTOR_MASK;
-    if (addr != start) {
-        shift = start - addr;
-        count = MIN(FLASH_SECTOR_SIZE - shift, len);
-        flash_ext_stream_read(&flash_obj, addr, shift, buf);
-        memcpy((void *)(buf + shift), (void *)pdata, count);
-
-        flash_ext_erase_sector(&flash_obj, addr);
-        flash_ext_stream_write(&flash_obj, addr, FLASH_SECTOR_SIZE, buf);
-        addr += FLASH_SECTOR_SIZE;
-        pdata += count;
-    }
-
-    while (addr < end) {
-        count = MIN(FLASH_SECTOR_SIZE, end - addr);
-        flash_ext_erase_sector(&flash_obj, addr);
-        flash_ext_stream_write(&flash_obj, addr, count, pdata);
-        addr += FLASH_SECTOR_SIZE;
-        pdata += count;
-    }
-    return len;
-}
-
-uint32_t OTA_ReadImage(uint32_t base, uint32_t offset, uint32_t len, uint8_t *data)
-{
-    uint32_t start, end;
-
-    start = base + offset;
-    end = start + len;
-
-    if (data == NULL ||
-        base != OTA_REGION1_BASE || base != OTA_REGION2_BASE ||
-        start > FLASH_TOP || end > FLASH_TOP) {
-        return 0;
-    }
-
-    return flash_ext_stream_read(&flash_obj, start, len, data);
-}
-
-void OTA_ResetTarget(void)
-{
-    __RTK_CTRL_WRITE32(0x14, 0x00000021);
-    wait(1);
-
-    NVIC_SystemReset();
-
-    // not reached
-    while (1);
-}