請教關(guān)于stm32通過阿里云進行OTA遠程升級，如何將Bin文件下載到模塊內(nèi)

ID:585428 · 發(fā)表于 2021-8-4 16:59

你好，我通過阿里云的物聯(lián)網(wǎng)平臺完成了和4G模塊EC200T的連接，然后得到了類似于下面的一個內(nèi)容，復(fù)制這個url到瀏覽器會彈出一個bin文件的下載窗口，我要怎么做才能讓stm32將這個bin下載下來。

{
"code": "1000",
"data": {
"size": 432945,
"version": "2.0.0",
"isDiff": 1,
"url": "https://iotx-ota-pre.oss-cn-shanghai.aliyuncs.com/nopoll_0.4.4.tar.gz?Expires=1502955804&OSSAccessKeyId=XXXXXXXXXXXXXXXXXXXX&Signature=XfgJu7P6DWWejstKJgXJEH0qAKU%3D&security-token=CAISuQJ1q6Ft5B2yfSjIpK6MGsyN1Jx5jo6mVnfBglIPTvlvt5D50Tz2IHtIf3NpAusdsv03nWxT7v4flqFyTINVAEvYZJOPKGrGR0DzDbDasumZsJbo4f%2FMQBqEaXPS2MvVfJ%2BzLrf0ceusbFbpjzJ6xaCAGxypQ12iN%2B%2Fr6%2F5gdc9FcQSkL0B8ZrFsKxBltdUROFbIKP%2BpKWSKuGfLC1dysQcO1wEP4K%2BkkMqH8Uic3h%2Boy%2BgJt8H2PpHhd9NhXuV2WMzn2%2FdtJOiTknxR7ARasaBqhelc4zqA%2FPPlWgAKvkXba7aIoo01fV4jN5JXQfAU8KLO8tRjofHWmojNzBJAAPpYSSy3Rvr7m5efQrrybY1lLO6iZy%2BVio2VSZDxshI5Z3McKARWct06MWV9ABA2TTXXOi40BOxuq%2B3JGoABXC54TOlo7%2F1wTLTsCUqzzeIiXVOK8CfNOkfTucMGHkeYeCdFkm%2FkADhXAnrnGf5a4FbmKMQph2cKsr8y8UfWLC6IzvJsClXTnbJBMeuWIqo5zIynS1pm7gf%2F9N3hVc6%2BEeIk0xfl2tycsUpbL2FoaGk6BAF8hWSWYUXsv59d5Uk%3D",
"md5": "93230c3bde425a9d7984a594ac55ea1e",
"sign": "93230c3bde425a9d7984a594ac55****",
"signMethod": "MD5",
"module": "MCU",
"extData":{
"key1":"value1",
"key2":"value2",
"_package_udi":"{"ota_notice":"升級底層攝像頭驅(qū)動，解決視頻圖像模糊的問題。"}"
}
},
"id": 1626969597470,
"message": "success"
}