mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Realtek/TARGET_AMEBA/TARGET_MCU_RTL8195A/ota_api.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
targets/TARGET_Realtek/TARGET_AMEBA/TARGET_RTL8195A/ota_api.c@188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 181:57724642e740 1 /* mbed Microcontroller Library
AnnaBridge 181:57724642e740 2 * Copyright (c) 2013-2017 Realtek Semiconductor Corp.
AnnaBridge 181:57724642e740 3 *
AnnaBridge 181:57724642e740 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 181:57724642e740 5 * you may not use this file except in compliance with the License.
AnnaBridge 181:57724642e740 6 * You may obtain a copy of the License at
AnnaBridge 181:57724642e740 7 *
AnnaBridge 181:57724642e740 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 181:57724642e740 9 *
AnnaBridge 181:57724642e740 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 181:57724642e740 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 181:57724642e740 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 181:57724642e740 13 * See the License for the specific language governing permissions and
AnnaBridge 181:57724642e740 14 * limitations under the License.
AnnaBridge 181:57724642e740 15 */
AnnaBridge 181:57724642e740 16 #include <string.h>
AnnaBridge 181:57724642e740 17
AnnaBridge 181:57724642e740 18 #include "mbed_wait_api.h"
AnnaBridge 181:57724642e740 19
AnnaBridge 181:57724642e740 20 #include "rtl8195a.h"
AnnaBridge 181:57724642e740 21 #include "ota_api.h"
AnnaBridge 181:57724642e740 22 #include "flash_ext.h"
AnnaBridge 181:57724642e740 23
AnnaBridge 181:57724642e740 24 static flash_t flash_obj;
AnnaBridge 181:57724642e740 25
AnnaBridge 181:57724642e740 26 void OTA_ReadHeader(uint32_t addr, imginfo_t *img)
AnnaBridge 181:57724642e740 27 {
AnnaBridge 181:57724642e740 28 uint32_t epoch_hi, epoch_lo;
AnnaBridge 181:57724642e740 29
AnnaBridge 181:57724642e740 30 if (addr != OTA_REGION1_HEADER || addr != OTA_REGION2_HEADER) {
AnnaBridge 181:57724642e740 31 return;
AnnaBridge 181:57724642e740 32 }
AnnaBridge 181:57724642e740 33
AnnaBridge 181:57724642e740 34 flash_ext_read_word(&flash_obj, addr + OTA_TAG_OFS, &img->tag);
AnnaBridge 181:57724642e740 35 flash_ext_read_word(&flash_obj, addr + OTA_VER_OFS, &img->ver);
AnnaBridge 181:57724642e740 36 flash_ext_read_word(&flash_obj, addr + OTA_EPOCH_OFS, &epoch_hi);
AnnaBridge 181:57724642e740 37 flash_ext_read_word(&flash_obj, addr + OTA_EPOCH_OFS + 4, &epoch_lo);
AnnaBridge 181:57724642e740 38 img->timestamp = ((uint64_t)epoch_hi << 32) | (uint64_t) epoch_lo;
AnnaBridge 181:57724642e740 39
AnnaBridge 181:57724642e740 40 flash_ext_read_word(&flash_obj, addr + OTA_SIZE_OFS, &img->size);
AnnaBridge 181:57724642e740 41 flash_ext_stream_read(&flash_obj, addr + OTA_HASH_OFS, 32, img->hash);
AnnaBridge 181:57724642e740 42 flash_ext_stream_read(&flash_obj, addr + OTA_CAMPAIGN_OFS, 16, img->campaign);
AnnaBridge 181:57724642e740 43 flash_ext_read_word(&flash_obj, addr + OTA_CRC32_OFS, &img->crc32);
AnnaBridge 181:57724642e740 44 }
AnnaBridge 181:57724642e740 45
AnnaBridge 181:57724642e740 46 bool OTA_CheckHeader(imginfo_t *img)
AnnaBridge 181:57724642e740 47 {
AnnaBridge 181:57724642e740 48 uint8_t *msg;
AnnaBridge 181:57724642e740 49 uint32_t crc;
AnnaBridge 181:57724642e740 50
AnnaBridge 181:57724642e740 51 msg = (uint8_t *)img;
AnnaBridge 181:57724642e740 52 crc = crc32_get(msg, OTA_CRC32_LEN);
AnnaBridge 181:57724642e740 53 if (crc != img->crc32) {
AnnaBridge 181:57724642e740 54 return false;
AnnaBridge 181:57724642e740 55 }
AnnaBridge 181:57724642e740 56
AnnaBridge 181:57724642e740 57 if ((img->tag & OTA_TAG_CHIP_MSK) != (OTA_TAG_ID & OTA_TAG_CHIP_MSK)) {
AnnaBridge 181:57724642e740 58 return false;
AnnaBridge 181:57724642e740 59 }
AnnaBridge 181:57724642e740 60
AnnaBridge 181:57724642e740 61 return true;
AnnaBridge 181:57724642e740 62 }
AnnaBridge 181:57724642e740 63
AnnaBridge 181:57724642e740 64 void OTA_GetImageInfo(uint32_t header, imginfo_t *img)
AnnaBridge 181:57724642e740 65 {
AnnaBridge 181:57724642e740 66 OTA_ReadHeader(header, img);
AnnaBridge 181:57724642e740 67
AnnaBridge 181:57724642e740 68 if (!OTA_CheckHeader(img)) {
AnnaBridge 181:57724642e740 69 img->timestamp = 0;
AnnaBridge 181:57724642e740 70 img->valid = false;
AnnaBridge 181:57724642e740 71 }
AnnaBridge 181:57724642e740 72
AnnaBridge 181:57724642e740 73 img->valid = true;
AnnaBridge 181:57724642e740 74 }
AnnaBridge 181:57724642e740 75
AnnaBridge 181:57724642e740 76 uint32_t OTA_GetUpdateBase(void)
AnnaBridge 181:57724642e740 77 {
AnnaBridge 181:57724642e740 78 imginfo_t img1, img2;
AnnaBridge 181:57724642e740 79
AnnaBridge 181:57724642e740 80 OTA_GetImageInfo(OTA_REGION1_HEADER, &img1);
AnnaBridge 181:57724642e740 81 OTA_GetImageInfo(OTA_REGION2_HEADER, &img2);
AnnaBridge 181:57724642e740 82
AnnaBridge 181:57724642e740 83 if (img1.valid && img2.valid) {
AnnaBridge 181:57724642e740 84 if (img1.timestamp < img2.timestamp) {
AnnaBridge 181:57724642e740 85 return OTA_REGION1_BASE;
AnnaBridge 181:57724642e740 86 } else {
AnnaBridge 181:57724642e740 87 return OTA_REGION2_BASE;
AnnaBridge 181:57724642e740 88 }
AnnaBridge 181:57724642e740 89 }
AnnaBridge 181:57724642e740 90
AnnaBridge 181:57724642e740 91 if (img1.valid) {
AnnaBridge 181:57724642e740 92 return OTA_REGION2_BASE;
AnnaBridge 181:57724642e740 93 }
AnnaBridge 181:57724642e740 94
AnnaBridge 181:57724642e740 95 return OTA_REGION1_BASE;
AnnaBridge 181:57724642e740 96 }
AnnaBridge 181:57724642e740 97
AnnaBridge 181:57724642e740 98 uint32_t OTA_UpateHeader(uint32_t base, imginfo_t *img)
AnnaBridge 181:57724642e740 99 {
AnnaBridge 181:57724642e740 100 flash_ext_write_word(&flash_obj, base + OTA_TAG_OFS, img->tag);
AnnaBridge 181:57724642e740 101 flash_ext_write_word(&flash_obj, base + OTA_VER_OFS, img->ver);
AnnaBridge 181:57724642e740 102 flash_ext_write_word(&flash_obj, base + OTA_EPOCH_OFS, img->timestamp >> 32);
AnnaBridge 181:57724642e740 103 flash_ext_write_word(&flash_obj, base + OTA_EPOCH_OFS + 4, (img->timestamp << 32) >> 32);
AnnaBridge 181:57724642e740 104
AnnaBridge 181:57724642e740 105 flash_ext_write_word(&flash_obj, base + OTA_SIZE_OFS, img->size);
AnnaBridge 181:57724642e740 106 flash_ext_stream_write(&flash_obj, base + OTA_HASH_OFS, 32, img->hash);
AnnaBridge 181:57724642e740 107 flash_ext_stream_write(&flash_obj, base + OTA_CAMPAIGN_OFS, 16, img->campaign);
AnnaBridge 181:57724642e740 108 flash_ext_write_word(&flash_obj, base + OTA_CRC32_OFS, img->crc32);
AnnaBridge 181:57724642e740 109
AnnaBridge 181:57724642e740 110 return 0;
AnnaBridge 181:57724642e740 111 }
AnnaBridge 181:57724642e740 112
AnnaBridge 181:57724642e740 113 uint32_t OTA_UpdateImage(uint32_t base, uint32_t offset, uint32_t len, uint8_t *data)
AnnaBridge 181:57724642e740 114 {
AnnaBridge 181:57724642e740 115 uint32_t addr, start, end, count, shift;
AnnaBridge 181:57724642e740 116 uint8_t *pdata = data;
AnnaBridge 181:57724642e740 117 uint8_t buf[FLASH_SECTOR_SIZE];
AnnaBridge 181:57724642e740 118
AnnaBridge 181:57724642e740 119 start = base + offset;
AnnaBridge 181:57724642e740 120 end = start + len;
AnnaBridge 181:57724642e740 121
AnnaBridge 181:57724642e740 122 if (data == NULL ||
AnnaBridge 181:57724642e740 123 base != OTA_REGION1_BASE || base != OTA_REGION2_BASE ||
AnnaBridge 181:57724642e740 124 start > FLASH_TOP || end > FLASH_TOP) {
AnnaBridge 181:57724642e740 125 return 0;
AnnaBridge 181:57724642e740 126 }
AnnaBridge 181:57724642e740 127
AnnaBridge 181:57724642e740 128 addr = start & FLASH_SECTOR_MASK;
AnnaBridge 181:57724642e740 129 if (addr != start) {
AnnaBridge 181:57724642e740 130 shift = start - addr;
AnnaBridge 181:57724642e740 131 count = MIN(FLASH_SECTOR_SIZE - shift, len);
AnnaBridge 181:57724642e740 132 flash_ext_stream_read(&flash_obj, addr, shift, buf);
AnnaBridge 181:57724642e740 133 memcpy((void *)(buf + shift), (void *)pdata, count);
AnnaBridge 181:57724642e740 134
AnnaBridge 181:57724642e740 135 flash_ext_erase_sector(&flash_obj, addr);
AnnaBridge 181:57724642e740 136 flash_ext_stream_write(&flash_obj, addr, FLASH_SECTOR_SIZE, buf);
AnnaBridge 181:57724642e740 137 addr += FLASH_SECTOR_SIZE;
AnnaBridge 181:57724642e740 138 pdata += count;
AnnaBridge 181:57724642e740 139 }
AnnaBridge 181:57724642e740 140
AnnaBridge 181:57724642e740 141 while (addr < end) {
AnnaBridge 181:57724642e740 142 count = MIN(FLASH_SECTOR_SIZE, end - addr);
AnnaBridge 181:57724642e740 143 flash_ext_erase_sector(&flash_obj, addr);
AnnaBridge 181:57724642e740 144 flash_ext_stream_write(&flash_obj, addr, count, pdata);
AnnaBridge 181:57724642e740 145 addr += FLASH_SECTOR_SIZE;
AnnaBridge 181:57724642e740 146 pdata += count;
AnnaBridge 181:57724642e740 147 }
AnnaBridge 181:57724642e740 148 return len;
AnnaBridge 181:57724642e740 149 }
AnnaBridge 181:57724642e740 150
AnnaBridge 181:57724642e740 151 uint32_t OTA_ReadImage(uint32_t base, uint32_t offset, uint32_t len, uint8_t *data)
AnnaBridge 181:57724642e740 152 {
AnnaBridge 181:57724642e740 153 uint32_t start, end;
AnnaBridge 181:57724642e740 154
AnnaBridge 181:57724642e740 155 start = base + offset;
AnnaBridge 181:57724642e740 156 end = start + len;
AnnaBridge 181:57724642e740 157
AnnaBridge 181:57724642e740 158 if (data == NULL ||
AnnaBridge 181:57724642e740 159 base != OTA_REGION1_BASE || base != OTA_REGION2_BASE ||
AnnaBridge 181:57724642e740 160 start > FLASH_TOP || end > FLASH_TOP) {
AnnaBridge 181:57724642e740 161 return 0;
AnnaBridge 181:57724642e740 162 }
AnnaBridge 181:57724642e740 163
AnnaBridge 181:57724642e740 164 return flash_ext_stream_read(&flash_obj, start, len, data);
AnnaBridge 181:57724642e740 165 }
AnnaBridge 181:57724642e740 166
AnnaBridge 181:57724642e740 167 void OTA_ResetTarget(void)
AnnaBridge 181:57724642e740 168 {
AnnaBridge 181:57724642e740 169 __RTK_CTRL_WRITE32(0x14, 0x00000021);
AnnaBridge 188:bcfe06ba3d64 170 wait_ms(1000);
AnnaBridge 181:57724642e740 171
AnnaBridge 181:57724642e740 172 NVIC_SystemReset();
AnnaBridge 181:57724642e740 173
AnnaBridge 181:57724642e740 174 // not reached
AnnaBridge 181:57724642e740 175 while (1);
AnnaBridge 181:57724642e740 176 }