WO2020124849A1 - 通信设备的接口切换装置及方法 - Google Patents

通信设备的接口切换装置及方法 Download PDF

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Publication number
WO2020124849A1
WO2020124849A1 PCT/CN2019/080328 CN2019080328W WO2020124849A1 WO 2020124849 A1 WO2020124849 A1 WO 2020124849A1 CN 2019080328 W CN2019080328 W CN 2019080328W WO 2020124849 A1 WO2020124849 A1 WO 2020124849A1
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communication module
usb connector
communication
analog switch
interface
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PCT/CN2019/080328
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English (en)
French (fr)
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王运峰
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深圳市奥克多普科技有限公司
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Publication of WO2020124849A1 publication Critical patent/WO2020124849A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks

Definitions

  • the invention relates to the technical field of mobile communication, and in particular to an interface switching device and method for communication equipment.
  • McWiLL Multi-Carrier Wireless Information Local Loop
  • a multi-carrier wireless information local loop is a broadband wireless access technology.
  • an object of the present invention aims to solve one of the technical problems in the related art at least to a certain extent.
  • an object of the present invention is to provide an interface switching device and method for communication equipment, which is convenient for debugging and has more accurate data during debugging.
  • the technical scheme adopted by the present invention is: an interface switching device of a communication device, the communication device includes a USB connector and at least two communication modules, the communication module includes a first communication module and a second communication module, each The communication module is correspondingly provided with an interface.
  • the device includes a switch control module for switching and connecting different interfaces.
  • the USB connector is connected to the communication module through the switch control module.
  • the switch control module includes a first analog switch and a second analog switch
  • the USB connector is connected to the first communication module by connecting the first analog switch
  • the USB connector Connect to the second communication module by connecting the second analog switch.
  • the communication device further includes a main control communication module, and the USB connector is connected to the main control communication module by connecting the first analog switch.
  • the first communication module is an RDA communication module
  • the second communication module is a McWiLL communication module.
  • the main control communication module has a GPIO interface
  • the GPIO interface is respectively connected to the first analog switch and the second analog switch, and controls the control according to the level state of the GPIO interface Operating states of the first analog switch and the second analog switch.
  • the main control communication module uses the MSM8905 chip.
  • a method for interface switching of a communication device is applicable to the interface switching device of the communication device described above.
  • the communication device includes a USB connector and at least two communication modules.
  • the method for switching includes:
  • the USB connector Obtain the voltage of the VBUS pin of the USB connector to determine whether the voltage of the VBUS pin of the USB connector is at a high level. If not, the USB connector is connected to the first communication module, and if it is, the USB connector is connected to the second communication module.
  • the communication device further includes a main control communication module, the main control communication module includes a GPIO interface, the acquiring the VBUS pin voltage of the USB connector, and determining whether the voltage of the VBUS pin of the USB connector is a high level If not, the USB connector is connected to the first communication module. If it is, the USB connector is connected to the second communication module.
  • the main control communication module includes a GPIO interface, the acquiring the VBUS pin voltage of the USB connector, and determining whether the voltage of the VBUS pin of the USB connector is a high level If not, the USB connector is connected to the first communication module. If it is, the USB connector is connected to the second communication module.
  • the USB connector selects to connect to the first communication module through the first analog switch, and if so, determine the GPIO of the main communication module Whether the interface voltage is high, if yes, the USB connector selects to connect to the second communication module through the second analog switch, if not, the USB connector selects to connect to the main control communication module through the first analog switch.
  • An interface switching device and method for communication equipment a USB connector is connected to a communication module through a switch control module, and then a different communication module is switched to achieve a switch between the USB connector and different serial ports, and the prior art adopts manual welding Than, debugging is more convenient, and the data is more accurate when debugging.
  • FIG. 1 is a block diagram of an interface switching device of a communication device of the present invention
  • FIGS. 2(a) to 2(c) are circuit diagrams of an interface switching device of a communication device of the present invention.
  • FIG. 3 is a flowchart of a method for switching interface of a communication device according to the present invention.
  • the communication equipment includes a USB connector and at least two communication modules.
  • the communication module includes a first communication module and a second communication module. Each communication module is correspondingly provided with an interface.
  • the device includes For switching the switch control modules connected to different interfaces, the USB connector is connected to the communication module through the switch control module.
  • the switch control module includes a first analog switch and a second analog switch
  • the USB connector is connected to the first communication module by connecting the first analog switch module
  • the USB connector is connected to the second communication module by connecting the second analog switch module.
  • the first communication module is an RDA communication module
  • the RDA communication module uses an RDA6625E chip
  • the second communication module is a McWiLL communication module, McWiLL communication
  • the module uses XWBP02C chip.
  • the communication device further includes a main control communication module, and the USB connector is connected to the main control communication module by connecting the first analog switch, and the main control communication module uses the MSM8905 chip.
  • the RDA communication module has a first serial port ,
  • the first serial port includes the HST_RXD pin and the HST_TXD pin
  • the main control communication module includes the GPIO interface and the USB interface
  • the GPIO interface includes the GPIO36_USB_SW_EN pin
  • the USB interface includes the USB_HS_D_P pin and the USB_HS_D_M pin
  • the McWiLL communication module includes the second serial port
  • the second serial port includes the MCWILL_USB_DP pin and the MCWILL_USB_DM pin.
  • both the first analog switch U1 and the second analog switch U2 use the SGM7228 analog switch chip, wherein the HST_TXD pin and the HST_RXD pin of the RDA communication module are respectively connected to the HSD1+ and HSD1- terminals of the first analog switch U1 Connect, the GPIO36_USB_SW_EN pin of the GPIO interface of the main control communication module is connected to the OE end of the first analog switch U1 and the OE end of the second analog switch U2 through a series second resistor R2, and the USB_HS_D_P pin and USB_HS_D_M of the USB interface of the main control communication module The pins are respectively connected to the HSD2+ terminal and the HSD2- terminal of the first analog switch U1.
  • the main control communication module, RDA communication module and McWiLL communication module are switched according to the level state of the GPIO interface of the main control communication module and the level state of the USB_VBUS_IN end of the USB connector.
  • the USB connector is connected to the data line.
  • the first analog switch U1 When the level state of the GPIO interface is low level 0 and the level state of the USB_VBUS_IN terminal of the USB connector is low level 0, the first analog switch U1 is turned on (first serial port) RDA Communication module, that is, the USB connector is connected to the RDA communication module; when the level state of the GPIO interface is low level 0, and the level state of the USB_VBUS_IN terminal of the USB connector is high level 1, the first analog switch U1 turns on the main Control communication module (USB interface), that is, the USB connector is connected to the main control communication module; when the level state of the GPIO interface is high level 1, and the level state of the USB connector USB_VBUS_IN terminal is high level 1, the second The analog switch U2 turns on (the second serial port) the McWiLL communication module, that is, the USB connector communicates with the McWiLL communication module.
  • USB interface main Control communication module
  • McWiLL communication module that is, the USB connector communicates with the McWiLL communication module.
  • the present invention also provides an interface switching method of a communication device, which is applicable to the interface switching device of the communication device according to the above embodiment.
  • the switching method includes:
  • the USB connector Obtain the voltage of the VBUS pin of the USB connector to determine whether the voltage of the VBUS pin of the USB connector is at a high level. If not, the USB connector is connected to the first communication module, and if it is, the USB connector is connected to the second communication module.
  • the communication device includes a main control communication module, an RDA communication module, and a McWiLL communication module.
  • 3 is a flowchart of a method for switching interface of a communication device according to the present invention.
  • a USB connector when a USB connector is connected to a data line, it is determined whether the VBUS voltage of the connected USB data line is 5V, and if not, the first analog switch is selected To enable the USB connector to connect to the RDA communication module through the first analog switch; if it is, it is further determined whether the voltage of the GPIO interface of the main control communication module is high, and if it is, the USB connector selects to connect to the McWiLL communication through the second analog switch Module, if not, the USB connector selects to connect to the main control communication module through the first analog switch.
  • An interface switching device and method for communication equipment a USB connector is connected to a communication module through a switch control module, and then a different communication module is switched to achieve a switch between the USB connector and different serial ports, and the prior art adopts manual welding Than, debugging is more convenient, and the data is more accurate when debugging.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Systems (AREA)

Abstract

本发明公开了一种通信设备的接口切换装置，所述通信设备包括USB连接器和至少两个通讯模块，所述通讯模块包括第一通讯模块和第二通讯模块，每个通讯模块对应设置有接口，所述装置包括用于切换连接不同接口的开关控制模块，所述USB连接器通过所述开关控制模块与所述通讯模块连接。本发明还公开了一种通信设备的接口切换方法。本发明涉及移动通信技术领域，一种通信设备的接口切换装置及方法，USB连接器通过开关控制模块与通讯模块连接，进而切换连接不同通讯模块，实现USB连接器与不同串口之间的切换，与现有技术采用手工焊接相比，调试更加方便，且调试时数据更加精确。

Description

通信设备的接口切换装置及方法
技术领域
本发明涉及移动通信技术领域，尤其涉及一种通信设备的接口切换装置及方法。
背景技术
McWiLL：Multi-Carrier Wireless Information Local Loop，多载波无线信息本地环路，是一种宽带无线接入技术。
通常的手机、智能穿戴、车载移动终端等设备都是采用单通讯模块的设计，而对于一些涉及两个通讯模块甚至三个通讯模块的移动终端，由于多个通讯模块的控制接口不止一种，在研发阶段，如果需要调试，常规的电路主板涉及并不能兼容USB接口和不同串口之间的相互切换，现有的做法是在电路主板上预留出接口测试点，采用手工焊接的方式从串口测试点飞线的方式连接串口，但这种方式在调试时获取的各项数据会出现偏差，且每调试一块电路主板都需要手动焊接，不方便。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的一个目的是提供一种通信设备的接口切换装置及方法，方便调试，调试时数据更加精确。
本发明所采用的技术方案是：一种通信设备的接口切换装置，所述通信设备包括USB连接器和至少两个通讯模块，所述通讯模块包括第一通讯模块和第二通讯模块，每个通讯模块对应设置有接口，所述装置包括用于切换连接不同接口的开关控制模块，所述USB连接器通过所述开关控制模块与所述通讯模块连接。
作为上述方案的进一步改进，所述开关控制模块包括第一模拟开关和第二模拟开关，所述USB连接器通过连接所述第一模拟开关与所述第一通讯模块连接，所述USB连接器通过连接所述第二模拟开关与所述第二通讯模块连接。
作为上述方案的进一步改进，所述通信设备还包括主控通讯模块，所述USB连接器通过连接所述第一模拟开关与所述主控通讯模块连接。
作为上述方案的进一步改进，所述第一通讯模块为RDA通讯模块，所述第二通讯模块为McWiLL通讯模块。
作为上述方案的进一步改进，所述主控通讯模块具有GPIO接口，所述GPIO接口分别与所述第一模拟开关和所述第二模拟开关连接，根据所述GPIO接口的电平状态控制所述第一模拟开关和所述第二模拟开关的运行状态。
作为上述方案的进一步改进，所述主控通讯模块采用MSM8905芯片。
一种通信设备的接口切换方法，适用如上述的通信设备的接口切换装置，所述通信设备包括USB连接器和至少两个通讯模块，所述切换方法包括：
获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器连接第一通讯模块，若是，则USB连接器连接第二通讯模块。
作为上述方案的进一步改进，所述通信设备还包括主控通讯模块，所述主控通讯模块包括GPIO接口，所述获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器连接第一通讯模块，若是，则USB连接器连接第二通讯模块具体包括：
获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器通过第一模拟开关选择连接第一通讯模块，若是，则判断主控通讯模块的GPIO接口电压是否为高电平，若是，则USB连接器通过第二模拟开关选择连接第二通讯模块，若否，则USB连接器通过第一模拟开关选择连接主控通讯模块。
本发明的有益效果是：
一种通信设备的接口切换装置及方法，USB连接器通过开关控制模块与通讯模块连接，进而切换连接不同通讯模块，实现USB连接器与不同串口之间的切换，与现有技术采用手工焊接相比，调试更加方便，且调试时数据更加精确。
附图说明
下面结合附图对本发明的具体实施方式作进一步说明：
图1是本发明一种通信设备的接口切换装置模块框图；
图2（a）至图2（c）是本发明一种通信设备的接口切换装置电路图；
图3是本发明一种通信设备的接口切换方法流程图。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
实施例一
一种通信设备的接口切换装置，通信设备包括USB连接器和至少两个通讯模块，其中，通讯模块包括第一通讯模块和第二通讯模块，每个通讯模块对应设置有接口，该装置包括用于切换连接不同接口的开关控制模块，USB连接器通过开关控制模块与通讯模块连接。
图1是本发明一种通信设备的接口切换装置模块框图，参照图1，开关控制模块包括第一模拟开关和第二模拟开关，USB连接器通过连接第一模拟开关模块与第一通讯模块连接，USB连接器通过连接第二模拟开关模块与第二通讯模块连接，本实施例中，第一通讯模块为RDA通讯模块，RDA通讯模块采用RDA6625E芯片，第二通讯模块为McWiLL通讯模块，McWiLL通讯模块采用XWBP02C芯片。
本实施例中，通信设备还包括主控通讯模块，USB连接器通过连接第一模拟开关与主控通讯模块连接，主控通讯模块采用MSM8905芯片。
图2（a）至图2（c）是本发明一种通信设备的接口切换装置电路图，参照图2（a）、图2（b）和图2（c），RDA通讯模块具有第一串口，第一串口包括HST_RXD引脚和HST_TXD引脚，主控通讯模块包括GPIO接口和USB接口，GPIO接口包括GPIO36_USB_SW_EN引脚，USB接口包括USB_HS_D_P引脚和USB_HS_D_M引脚，McWiLL通讯模块包括第二串口，第二串口包括MCWILL_USB_DP引脚和MCWILL_USB_DM引脚。本实施例中，第一模拟开关U1和第二模拟开关U2均采用SGM7228模拟开关芯片，其中，RDA通讯模块的HST_TXD引脚和HST_RXD引脚分别与第一模拟开关U1的HSD1+端和HSD1-端连接，主控通讯模块GPIO接口的GPIO36_USB_SW_EN引脚通过串联第二电阻R2与第一模拟开关U1的OE端、第二模拟开关U2的OE端连接，主控通讯模块USB接口的USB_HS_D_P引脚和USB_HS_D_M引脚分别与第一模拟开关U1的HSD2+端和HSD2-端连接。
表1各通讯模块判断条件对应表：
GPIO_USB_SW_EN USB_VBUS_IN USB_DP USB_DM
0 0 HST_RXD HST_TXD
0 1 USB_HS_D_P USB_HS_D_M
1 0 NC NC
1 1 MCWILL_USB_DP MCWILL_USB_DM
参照表1，根据主控通讯模块GPIO接口的电平状态和USB连接器USB_VBUS_IN端的电平状态切换接通主控通讯模块、RDA通讯模块和McWiLL通讯模块。USB连接器接入数据线，当GPIO接口的电平状态为低电平0、且USB连接器USB_VBUS_IN端的电平状态为低电平0时，第一模拟开关U1接通（第一串口）RDA通讯模块，即USB连接器与RDA通讯模块连通；当GPIO接口的电平状态为低电平0、且USB连接器USB_VBUS_IN端的电平状态为高电平1时，第一模拟开关U1接通主控通讯模块（USB接口），即USB连接器与主控通讯模块连通；当GPIO接口的电平状态为高电平1、且USB连接器USB_VBUS_IN端的电平状态为高电平1时，第二模拟开关U2接通（第二串口）McWiLL通讯模块，即USB连接器与McWiLL通讯模块连通。
实施例三
本发明还提供了一种通信设备的接口切换方法，适用于如上述实施例的通信设备的接口切换装置，切换方法包括：
获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器连接第一通讯模块，若是，则USB连接器连接第二通讯模块。
本实施例中，通信设备包括主控通讯模块、RDA通讯模块和McWiLL通讯模块。图3是本发明一种通信设备的接口切换方法流程图，参照图3，USB连接器接入数据线时，判断接入USB数据线VBUS电压是否为5V，若否，则选择第一模拟开关，使USB连接器通过第一模拟开关选择连接RDA通讯模块；若是，则进一步判断主控通讯模块的GPIO接口电压是否为高电平，若是，则USB连接器通过第二模拟开关选择连接McWiLL通讯模块，若否，则USB连接器通过第一模拟开关选择连接主控通讯模块。
一种通信设备的接口切换装置及方法，USB连接器通过开关控制模块与通讯模块连接，进而切换连接不同通讯模块，实现USB连接器与不同串口之间的切换，与现有技术采用手工焊接相比，调试更加方便，且调试时数据更加精确。
以上是对本发明的较佳实施进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (8)

  1. 一种通信设备的接口切换装置，所述通信设备包括USB连接器和至少两个通讯模块，其特征在于，所述通讯模块包括第一通讯模块和第二通讯模块，每个通讯模块对应设置有接口，所述装置包括用于切换连接不同接口的开关控制模块，所述USB连接器通过所述开关控制模块与所述通讯模块连接。
  2. 根据权利要求1所述的通信设备的接口切换装置，其特征在于，所述开关控制模块包括第一模拟开关和第二模拟开关，所述USB连接器通过连接所述第一模拟开关与所述第一通讯模块连接，所述USB连接器通过连接所述第二模拟开关与所述第二通讯模块连接。
  3. 根据权利要求2所述的一种通信设备的接口切换装置，其特征在于，所述通信设备还包括主控通讯模块，所述USB连接器通过连接所述第一模拟开关与所述主控通讯模块连接。
  4. 根据权利要求2或3所述的一种通信设备的接口切换装置，其特征在于，所述第一通讯模块为RDA通讯模块，所述第二通讯模块为McWiLL通讯模块。
  5. 根据权利要求4所述的一种通信设备的接口切换装置，其特征在于，所述主控通讯模块具有GPIO接口，所述GPIO接口分别与所述第一模拟开关和所述第二模拟开关连接，根据所述GPIO接口的电平状态控制所述第一模拟开关和所述第二模拟开关的运行状态。
  6. 根据权利要求3所述的一种通信设备的接口切换装置，其特征在于，所述主控通讯模块采用MSM8905芯片。
  7. 一种通信设备的接口切换方法，适用如权利要求1至6任一项所述的通信设备的接口切换装置，所述通信设备包括USB连接器和至少两个通讯模块，其特征在于，其包括：
    获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器连接第一通讯模块，若是，则USB连接器连接第二通讯模块。
  8. 根据权利要求7所述的一种通信设备的接口切换方法，其特征在于，所述通信设备还包括主控通讯模块，所述主控通讯模块包括GPIO接口，所述获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器连接第一通讯模块，若是，则USB连接器连接第二通讯模块具体包括：
    获取USB连接器VBUS脚电压，判断USB连接器VBUS脚电压是否为高电平，若否，则USB连接器通过第一模拟开关选择连接第一通讯模块，若是，则判断主控通讯模块的GPIO接口电压是否为高电平，若是，则USB连接器通过第二模拟开关选择连接第二通讯模块，若否，则USB连接器通过第一模拟开关选择连接主控通讯模块。
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