WO2013078792A1 - 智能终端协同处理器的固件更新方法和装置 - Google Patents

智能终端协同处理器的固件更新方法和装置 Download PDF

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Publication number
WO2013078792A1
WO2013078792A1 PCT/CN2012/071882 CN2012071882W WO2013078792A1 WO 2013078792 A1 WO2013078792 A1 WO 2013078792A1 CN 2012071882 W CN2012071882 W CN 2012071882W WO 2013078792 A1 WO2013078792 A1 WO 2013078792A1
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Prior art keywords
firmware
new firmware
new
system file
module
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PCT/CN2012/071882
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English (en)
French (fr)
Inventor
董金光
张义明
姚玲玲
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中兴通讯股份有限公司
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Publication of WO2013078792A1 publication Critical patent/WO2013078792A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to firmware update technology, and in particular, to a firmware update method and apparatus for a smart terminal coprocessor. Background technique
  • the existing intelligent terminal generally adopts an AP (Application Processor) + CP (Coprocessor) design mode, the AP is used to process application related events, and the CP is used to process network related events.
  • AP generally uses eMMC (embeded MutiMedia Card) + LPDDR SDRAM (Lower Power Double Data Rate Synchronous Dynamic Random Access Memory) storage framework, through UART (Universal Asynchronous Receiver/Transmitter, Universal Asynchronous Receiver/Transmitter;), USB (Universal Serial BUS), SPI (Serial Peripheral Interface) and other serial communication ports communicate with the outside.
  • CP generally uses NAND (Not AND, non-volatile) flash + LPDDR SDRAM storage framework.
  • the AP and CP of the existing intelligent terminal respectively have a USB data line, and the USB data lines of the AP and CP through the electronic switch can be led out to the USB port at different times.
  • the firmware is updated
  • the USB port is connected to the USB data cable of the AP by default to implement the firmware update of the AP.
  • the USB cable of the CP can be switched to the firmware by updating the USB port of the electronic switch to perform firmware update of the CP.
  • the smart terminal When the smart terminal is powered on, it also starts the AP first. After the AP starts, it supplies power to the CP, prompts the CP to start and loads the updated firmware, and the firmware update and loading of the CP is completed.
  • This USB hardware design is not only complicated in wiring, but also difficult to design, and requires additional additions.
  • the electronic switch is used to implement firmware update of AP and CP in stages, which has the disadvantages of high hardware cost and large system power consumption.
  • the firmware update of the CP is cumbersome, and the USB switch needs to be switched through the electronic switch to update and load the firmware of the CP.
  • This aspect further increases the difficulty of developing the follow-up products of the smart terminal, which is not conducive to improving the competitiveness of the product. And user experience. Summary of the invention
  • the purpose of the embodiments of the present invention is to provide a firmware update method and apparatus for the intelligent terminal to cooperate with the processor side, so as to solve the technical problem that the hardware design of the intelligent terminal is complicated and the CP firmware update is complicated in the prior art.
  • a firmware update method for a smart terminal coprocessor includes the following steps:
  • the firmware of the coprocessor CP is stored in the system file of the application processor AP; when the firmware of the CP needs to be updated, the AP is connected to the personal computer PC; the AP downloads the new firmware from the PC, and uses the new firmware. Update the old firmware in the above system file.
  • the AP After the AP is connected to the PC, before the AP downloads the new firmware from the PC, the AP further includes: the AP establishes a communication connection with the PC through the serial communication port.
  • the steps for the AP to download a new firmware from the PC include:
  • the AP downloads the micro-loader from the PC, and then obtains the new firmware in the PC through the micro-loader, including the new firmware of the AP and the new firmware of the CP.
  • the step of updating the old firmware in the above system file by using the above new firmware includes: the AP replaces the old firmware of the AP stored in the system file by using the new firmware of the AP, and replaces the system file with the new firmware of the CP.
  • the old firmware of the above CP stored in.
  • the AP disconnects the communication connection with the PC, establishes a communication connection with the CP, and sends a target loading program to the CP;
  • the CP receives the target loading program, and sends a loading request for loading the new firmware to the AP through the target loading program;
  • the AP After receiving the loading request, the AP sends the new firmware of the CP to the CP.
  • the above loading request includes the name and length of the new firmware to be loaded by the CP and its storage location in the AP.
  • the method further includes the following steps: The CP receives the new firmware sent by the AP, and loads the received new firmware into the local storage device.
  • a firmware update device for a smart terminal coprocessor includes: a firmware storage module, a new firmware download module, and a new firmware update module;
  • the firmware storage module is configured to store the firmware of the CP in the system file of the AP; the new firmware downloading module is configured to connect the AP to the personal computer PC when the firmware of the CP needs to be updated, and The above PC downloads the above new firmware; the above new firmware update module is used to update the old firmware in the above system file by using the above new firmware after the above new firmware is successfully downloaded.
  • the device further includes a communication interface establishing module and a new firmware loading module;
  • the communication interface establishing module is configured to establish a communication connection between the AP and the PC after the AP is connected to the PC;
  • the new firmware loading module is configured to obtain a new firmware of the CP from the system file of the AP, and load the new firmware of the CP into the storage device of the CP.
  • the above intelligent terminals include a smart phone and a PDA.
  • the embodiment of the present invention has the following beneficial technical effects: 1) The electronic switch is not set in the embodiment of the present invention, and the USB data line is not set on the CP, thereby simplifying the USB circuit design and reducing the motherboard wiring. Difficulty; 2) The embodiment of the present invention integrates the firmware of the CP into the system file of the AP, and changes the startup mode of the original CP to the universal serial port startup mode, so that the firmware of the CP can be updated when the firmware of the AP is updated. This can reduce the overall power consumption of the system and reduce the number of updates.
  • the embodiment of the present invention can update the firmware of the CP and the AP at the same time, thereby reducing the overall power consumption of the system and reducing the number of updates.
  • FIG. 1 is a schematic diagram showing the hardware configuration of an AP and a CP on an intelligent terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a firmware update method of a CP on a smart terminal according to a preferred embodiment of the present invention
  • FIG. 3 is a block diagram showing the structure of a firmware update apparatus of a smart terminal cooperative processor in a preferred embodiment of the present invention. detailed description
  • FIG. 1 is a schematic diagram showing the hardware configuration of an AP and a CP on an intelligent terminal according to an embodiment of the present invention.
  • the AP includes a USB data line, and can be taken out to the USB socket.
  • Storage devices are respectively installed on the AP and the CP, and the UART universal serial bus is used between the two. Data communication.
  • the eMMC storage device is used on the AP to ensure that the firmware stored on it is reliable and secure.
  • the embodiment of the present invention does not set a USB data line on the CP, and the smart terminal does not have an electronic switch, but integrates the firmware of the CP into the system file of the AP, and the system file of the AP also includes the firmware of the AP, so that Update the firmware of the AP and CP at the same time.
  • FIG. 2 is a flow chart showing a method for updating a firmware of a CP on a smart terminal in a preferred embodiment of the present invention. As shown in FIG. 2, the method of the preferred embodiment includes the following steps:
  • Step 201 Store the firmware of the CP in a system file of the AP;
  • the compiling and linking technology can be used to integrate the CP firmware into the AP's system file system.img, so that the AP's system file system.img contains both the AP firmware and the CP firmware, and the AP firmware and CP firmware are stored in the system. In the two separate storage areas of the file system.img, when the firmware is updated, the new firmware corresponding to the AP and the CP can be used to replace the old firmware in the corresponding storage area.
  • Step 202 When the firmware of the CP needs to be updated, connect the AP to the computer PC, and establish a communication connection;
  • the PC and the new firmware of the AP are stored in the PC.
  • the above AP and the above PC can establish a communication connection through a serial communication port such as USB.
  • Step 203 The AP downloads a new firmware from the PC, and updates the old firmware in the system file by using the new firmware.
  • the steps for the AP to download a new firmware from the PC include:
  • the AP downloads the micro-loader from the PC, and then obtains the new firmware in the PC through the micro-loader, including the new firmware of the AP and the new firmware of the CP.
  • the steps of the above AP for updating the old firmware in the above system file by using the above new firmware include:
  • the AP uses the new firmware of the AP to replace the above stored in the system file.
  • the old firmware of the AP and replace the old firmware of the above CP stored in the above system file with the new firmware of the above CP.
  • Step 204 After the update is completed, the AP disconnects the communication connection with the PC, establishes a communication connection with the CP, and sends a target loading program to the CP.
  • Step 205 The CP receives the target loading program, and sends a loading request for loading the new firmware to the AP by using the target loading program.
  • the above loading request includes the name and length of the new firmware to be loaded by the CP and its storage location in the AP.
  • Step 206 After receiving the loading request, the AP sends the new firmware of the CP to the CP.
  • the AP After receiving the loading request, the AP queries the corresponding new firmware in the system file systemimg according to the name, length and storage location of the new firmware included in the loading request, and sends the corresponding firmware to the CP.
  • Step 207 The CP receives the new firmware sent by the AP, and loads the received new firmware into the local storage device.
  • the apparatus of the preferred embodiment of the present invention includes: a firmware storage module 1, a new firmware download module 2, and a new firmware update module 3;
  • the firmware storage module 1 is configured to store the firmware of the CP in a system file of the AP;
  • the new firmware downloading module 2 is configured to connect the AP to the personal computer PC when the firmware of the CP needs to be updated, and The AP downloads the above new firmware from the PC;
  • the new firmware update module 3 is configured to update the old firmware in the system file by using the new firmware after the new firmware is successfully downloaded.
  • the above device further includes a communication interface establishing module 4 and a new firmware loading module 5;
  • the communication interface establishing module 4 is configured to: after the AP is connected to the PC, The AP can establish a communication connection with the PC through a serial communication port such as a USB.
  • the new firmware loading module 5 is configured to obtain a new firmware of the CP from the system file of the AP, and load the new firmware of the CP into the storage device of the CP.
  • the above intelligent terminals include a smart phone and a PDA.

Abstract

本发明实施例公开了一种智能终端协同处理器的固件更新方法和装置,上述方法包括以下步骤:将协同处理器CP的固件存储在应用处理器AP的系统文件中;当上述CP的固件需要更新时,将上述AP与个人计算机PC相连;上述AP从上述PC下载新版固件,并利用上述新版固件更新上述系统文件中的旧版固件。本发明实施例不再设置电子切换开关,简化了USB电路设计,降低了主板布线难度,此外本发明实施例可一次性同时对CP和AP的固件进行更新,降低了系统整体功耗,减少了更新次数。

Description

智能终端协同处理器的固件更新方法和装置 技术领域
本发明涉及固件更新技术, 尤其涉及一种智能终端协同处理器的固件 更新方法和装置。 背景技术
现有智能终端一般采用 AP ( Application Processor, 应用处理器) +CP ( Coprocessor, 协同处理器)的设计模式, AP用于处理应用相关事件, CP 用于处理网络相关事件。 AP—般采用 eMMC ( embeded MutiMedia Card, 嵌入式多媒体卡) +LPDDR SDRAM ( Lower Power Double Data Rate Synchronous Dynamic Random Access Memory , 低电压双倍速率同步动态随 机存取存储器) 的存储框架, 通过 UART ( Universal Asynchronous Receiver/Transmitter, 通用异步接收 /发送器;)、 USB ( Universal Serial BUS, 通用串行总线)、 SPI ( Serial Peripheral Interface, 串行外围设备 )等串行通 信端口与外部通信。 CP—般采用 NAND( Not AND,非易失性 )闪存 +LPDDR SDRAM的存储框架。
在 USB硬件设计上, 现有智能终端的 AP和 CP分别具有一个 USB数 据线, 通过电子切换开关 AP和 CP的 USB数据线可在不同时刻被引出至 USB插口。 固件更新时, USB插口默认与 AP的 USB数据线连接, 实现 AP的固件更新, 更新完毕后, 通过控制电子切换开关 USB插口可切换至 CP的 USB数据线, 从而进行 CP的固件更新。 智能终端开机时, 也是先启 动 AP, AP启动后给 CP供电, 促使 CP启动并加载更新后的固件, 至此 CP的固件更新、 加载完毕。
这种 USB硬件设计不仅布线复杂、 设计难度大, 而且还需要额外增加 电子切换开关, 用于分阶段实现 AP和 CP的固件更新, 存在硬件成本高、 系统功耗大的缺点。 另外, CP的固件更新繁瑣, 需要通过电子切换开关切 换 USB插口, 方能对 CP的固件进行更新和加载, 这一方面又加大了智能 终端后续产品的开发难度, 不利于提高产品竟争力和用户体验。 发明内容
本发明实施例的目的在于, 提供一种智能终端协同处理器侧的固件更 新方法和装置, 以解决现有技术中智能终端硬件设计复杂、 CP固件更新繁 瑣的技术问题。
本发明实施例通过以下技术方案解决上述技术问题:
一种智能终端协同处理器的固件更新方法, 包括以下步驟:
将协同处理器 CP的固件存储在应用处理器 AP的系统文件中; 当上述 CP的固件需要更新时, 将上述 AP与个人计算机 PC相连; 上述 AP从上述 PC下载新版固件, 并利用上述新版固件更新上述系统 文件中的旧版固件。
将上述 AP与上述 PC相连后, 上述 AP从所述 PC下载新版固件前, 还包括: 上述 AP通过串行通信端口与上述 PC建立通信连接。
上述 AP从上述 PC下载新版固件步驟具体包括:
上述 AP从上述 PC下载微型加载程序, 然后通过上述微型加载程序获 取上述 PC中的新版固件,包括上述 AP的新版固件及上述 CP的新版固件。
利用上述新版固件更新上述系统文件中的旧版固件步驟具体包括: 上述 AP利用上述 AP 的新版固件, 替换上述系统文件中存储的上述 AP的旧版固件, 并利用上述 CP的新版固件, 替换上述系统文件中存储的 上述 CP的旧版固件。
利用上述新版固件更新上述系统文件中的旧版固件之后, 还包括以下 加载上述 CP的新版固件的步驟: 上述 AP断开与上述 PC的通信连接, 与上述 CP建立通信连接, 并向 上述 CP发送目标加载程序;
上述 CP接收上述目标加载程序, 并通过上述目标加载程序向上述 AP 发送加载新版固件的加载请求;
上述 AP收到上述加载请求后, 将上述 CP的新版固件发送到上述 CP 上。
上述加载请求中包括上述 CP要加载的新版固件的名称、长度及其在上 述 AP中的存储位置。
上述 AP将上述 CP的新版固件发送到上述 CP后, 还包括以下步驟: 上述 CP接收上述 AP发来的新版固件, 并将收到的新版固件加载至本 地的存储设备中。
本发明实施例还采用以下技术方案:
一种智能终端协同处理器的固件更新装置, 包括: 固件存储模块、 新 版固件下载模块和新版固件更新模块;
上述固件存储模块, 用于将 CP的固件存储在 AP的系统文件中; 上述新版固件下载模块, 用于在上述 CP 的固件需要更新时, 将上述 AP与个人计算机 PC相连, 并通过上述 AP从上述 PC下载上述新版固件; 上述新版固件更新模块, 用于在上述新版固件下载成功后, 利用上述 新版固件更新上述系统文件中的旧版固件。
上述装置还包括通信接口建立模块、 新版固件加载模块;
上述通信接口建立模块, 用于在上述 AP 与上述 PC相连后, 使上述 AP与上述 PC建立通信连接;
上述新版固件加载模块, 用于从上述 AP的系统文件中获取上述 CP的 新版固件, 并将上述 CP的新版固件加载至上述 CP的存储设备中。
上述智能终端包括智能手机、 掌上电脑 PDA。 与现有技术相比, 本发明实施例具有如下有益技术效果: 1 )本发明实 施例不再设置电子切换开关, CP上也不设置 USB数据线,从而简化了 USB 电路设计, 降低了主板布线难度; 2 )本发明实施例将 CP的固件集成在 AP 的系统文件中, 将原有 CP的启动模式修改为通用串口启动模式,从而在更 新 AP的固件时,就能对 CP的固件进行更新,由此可以降低系统整体功耗, 减少更新次数。
此外, 本发明实施例可一次性同时对 CP和 AP的固件进行更新, 降低 了系统整体功耗, 减少了更新次数。 附图说明
此处所说明的附图用来提供对本发明的进一步理解, 构成本发明的一 部分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发 明的不当限定。 在附图中:
图 1是本发明实施例中智能终端上的 AP和 CP的硬件构成示意图; 图 2是本发明优选实施例中智能终端上的 CP的固件更新方法流程示意 图;
图 3是本发明优选实施例中智能终端协同处理器的固件更新装置的模 块结构示意图。 具体实施方式
为了使本发明所要解决的技术问题、 技术方案及有益效果更加清楚、 明白, 以下结合附图和实施例, 对本发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例仅用以解释本发明, 并不用于限定本发明。
图 1是本发明实施例中智能终端上的 AP和 CP的硬件构成示意图。 如 图 1所示,本发明实施例中,只有 AP包含 USB数据线,并可以引出至 USB 插口。 AP和 CP上分别设有存储设备, 二者之间通过 UART通用串行总线 进行数据通信。 AP上采用的是 eMMC存储设备, 从而可以保证其上存储 的固件可靠、 安全。 本发明实施例在 CP上未设置 USB数据线, 并且智能 终端不带有电子切换开关, 而是将 CP的固件集成在 AP的系统文件中, AP 的系统文件中还包含 AP的固件, 从而可以一次性同时更新 AP和 CP的固 件。
图 2是本发明优选实施例中智能终端上的 CP的固件更新方法流程示意 图。 如图 2所示, 本优选实施例的方法包括以下步驟:
步驟 201 : 将 CP的固件存储在 AP的系统文件中;
通过编译、 链接技术可以实现将 CP 的固件集成至 AP 的系统文件 system. img中,从而 AP的系统文件 system. img中就同时包含 AP固件及 CP 固件, 并且 AP固件、 CP固件分别存储在系统文件 system.img的两个独立 的存储区中, 待固件更新时, 便可用 AP和 CP对应的新版固件分别替换对 应的存储区中的旧版固件。
步驟 202: 当上述 CP的固件需要更新时, 将上述 AP与计算机 PC相 连, 并建立通信连接;
上述 PC中存储有上述 CP及上述 AP的新版固件。 上述 AP与上述 PC 可以通过 USB等串行通信端口建立通信连接。
步驟 203: 上述 AP从上述 PC下载新版固件, 并利用上述新版固件更 新上述系统文件中的旧版固件;
上述 AP从上述 PC下载新版固件步驟具体包括:
上述 AP从上述 PC下载微型加载程序, 然后通过上述微型加载程序获 取上述 PC中的新版固件,包括上述 AP的新版固件及上述 CP的新版固件。
上述 AP 利用上述新版固件更新上述系统文件中的旧版固件步驟具体 包括:
上述 AP利用上述 AP 的新版固件, 替换上述系统文件中存储的上述 AP的旧版固件, 并利用上述 CP的新版固件, 替换上述系统文件中存储的 上述 CP的旧版固件。
步驟 204: 更新完成后, 上述 AP断开与上述 PC的通信连接, 与上述 CP建立通信连接, 并向上述 CP发送目标加载程序。
步驟 205: 上述 CP接收上述目标加载程序, 并通过上述目标加载程序 向上述 AP发送加载新版固件的加载请求;
上述加载请求中包括上述 CP要加载的新版固件的名称、长度及其在上 述 AP中的存储位置。
步驟 206: 上述 AP收到上述加载请求后, 将上述 CP的新版固件发送 到上述 CP上;
上述 AP收到上述加载请求后,根据上述加载请求所包含的新版固件的 名称、 长度及存储位置, 在系统文件 systemimg中查询相应的新版固件, 并将其发送给上述 CP。
步驟 207: 上述 CP接收上述 AP发来的新版固件, 并将收到的新版固 件加载至本地的存储设备中。
图 3是本发明优选实施例中智能终端协同处理器的固件更新装置的模 块结构示意图。 如图 3 所示, 本发明优选实施例的装置包括: 固件存储模 块 1、 新版固件下载模块 2和新版固件更新模块 3; 其中,
上述固件存储模块 1 , 用于将 CP的固件存储在 AP的系统文件中; 上述新版固件下载模块 2, 用于在上述 CP的固件需要更新时, 将上述 AP与个人计算机 PC相连, 并通过上述 AP从上述 PC下载上述新版固件; 上述新版固件更新模块 3 , 用于在上述新版固件下载成功后, 利用上述 新版固件更新上述系统文件中的旧版固件。
上述装置还包括通信接口建立模块 4和新版固件加载模块 5;
上述通信接口建立模块 4, 用于在上述 AP与上述 PC相连后, 使上述 AP可以通过 USB等串行通信端口与上述 PC建立通信连接。
上述新版固件加载模块 5 , 用于从上述 AP的系统文件中获取上述 CP 的新版固件, 并将上述 CP的新版固件加载至上述 CP的存储设备中。
上述智能终端包括智能手机、 掌上电脑 PDA。
上述说明示出并描述了本发明的优选实施例, 但如前所述, 应当理解 本发明并非局限于本文所披露的形式, 不应看作是对其他实施例的排除, 而可用于各种其他组合、 修改和环境, 并能够在本文所述发明构想范围内, 通过上述教导或相关领域的技术或知识进行改动。 而本领域人员所进行的 改动和变化不脱离本发明的精神和范围, 则都应在本发明所附权利要求的 保护范围内。

Claims

权利要求书
1、 一种智能终端协同处理器的固件更新方法, 其特征在于, 所述方法 包括以下步驟:
将协同处理器 CP的固件存储在应用处理器 AP的系统文件中; 当所述 CP的固件需要更新时, 将所述 AP与个人计算机 PC相连; 所述 AP从所述 PC下载新版固件, 并利用所述新版固件更新所述系统 文件中的旧版固件。
2、 根据权利要求 1所述的方法, 其特征在于, 将所述 AP与所述 PC 相连后, 所述 AP从所述 PC下载新版固件前, 还包括: 所述 AP通过串行 通信端口与所述 pc建立通信连接。
3、 根据权利要求 1所述的方法, 其特征在于, 所述 AP从所述 PC下 载新版固件步驟具体包括:
所述 AP从所述 PC下载微型加载程序, 然后通过所述微型加载程序获 取所述 PC中的新版固件,包括所述 AP的新版固件及所述 CP的新版固件。
4、 根据权利要求 1所述的方法, 其特征在于, 利用所述新版固件更新 所述系统文件中的旧版固件步驟具体包括:
所述 AP利用所述 AP 的新版固件, 替换所述系统文件中存储的所述 AP的旧版固件, 并利用所述 CP的新版固件, 替换所述系统文件中存储的 所述 CP的旧版固件。
5、 根据权利要求 1至 4任一所述的方法, 其特征在于, 利用所述新版 固件更新所述系统文件中的旧版固件之后,还包括以下加载所述 CP的新版 固件的步驟:
所述 AP断开与所述 PC的通信连接, 与所述 CP建立通信连接, 并向 所述 CP发送目标加载程序;
所述 CP接收所述目标加载程序, 并通过所述目标加载程序向所述 AP 发送加载新版固件的加载请求;
所述 AP收到所述加载请求后, 将所述 CP的新版固件发送到所述 CP 上。
6、 根据权利要求 5所述的方法, 其特征在于, 所述加载请求中包括所 述 CP要加载的新版固件的名称、 长度及其在所述 AP中的存储位置。
7、 根据权利要求 5所述的方法, 其特征在于, 所述 AP将所述 CP的 新版固件发送到所述 CP后, 还包括以下步驟:
所述 CP接收所述 AP发来的新版固件, 并将收到的新版固件加载至本 地的存储设备中。
8、 一种智能终端协同处理器的固件更新装置, 其特征在于, 所述装置 包括: 固件存储模块、 新版固件下载模块和新版固件更新模块;
所述固件存储模块, 用于将 CP的固件存储在 AP的系统文件中; 所述新版固件下载模块, 用于在所述 CP 的固件需要更新时, 将所述
AP与个人计算机 PC相连, 并通过所述 AP从所述 PC下载所述新版固件; 所述新版固件更新模块, 用于在所述新版固件下载成功后, 利用所述 新版固件更新所述系统文件中的旧版固件。
9、 根据权利要求 8所述的装置, 其特征在于, 所述装置还包括通信接 口建立模块、 新版固件加载模块;
所述通信接口建立模块, 用于在所述 AP与所述 PC相连后, 使所述 AP与所述 PC建立通信连接;
所述新版固件加载模块, 用于从所述 AP的系统文件中获取所述 CP的 新版固件, 并将所述 CP的新版固件加载至所述 CP的存储设备中。
10、 根据权利要求 8或 9所述的装置, 其特征在于, 所述智能终端包 括智能手机、 掌上电脑 PDA。
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