CC2540/2541蓝牙低功耗开发套件用户指南

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CC2540/2541开发指南 CC2540/2541是Texas Instruments（TI）公司推出的Bluetooth Low Energy（BLE）解决方案，主要应用于物联网（IoT）、wearable设备、智能家居等领域。CC2540/2541开发指南是TI公司提供的官方开发文档，旨在帮助开发者快速掌握CC2540/2541的开发和应用。 1. 引言 CC2540/2541是BLE解决方案的核心组件，支持BLE 4.0/4.1/4.2/5.0规范，具有低功耗、高可靠性和高安全性的特点。CC2540/2541开发指南为开发者提供了详细的开发指南、使用手册和示例代码，帮助开发者快速掌握CC2540/2541的开发和应用。 2. 参考文献 CC2540/2541开发指南提供了详细的参考文献，包括CC2540/2541的技术规格书、应用手册、示例代码等。开发者可以根据需要查阅相关文献，了解CC2540/2541的技术细节和应用场景。 3. 开发环境 CC2540/2541开发指南建议开发者使用TI公司提供的开发套件，包括CC2540DK-MINI和CC2541DK-MINI两个版本。开发者可以根据需要选择合适的开发套件，开始CC2540/2541的开发和应用。 4. 系统要求 CC2540/2541开发指南建议开发者使用Windows XP或更高版本的操作系统，安装相应的驱动程序和开发工具。开发者需要确保系统环境的稳定性和可靠性，以确保CC2540/2541的正常工作。 5. 入门指南 CC2540/2541开发指南提供了详细的入门指南，帮助开发者快速掌握CC2540/2541的开发和应用。开发者可以按照指南的步骤，安装驱动程序、配置开发环境、编写示例代码等。 6. 使用BTool CC2540/2541开发指南提供了详细的BTool使用指南，帮助开发者快速掌握BTool的使用和应用。BTool是TI公司提供的BLE开发工具，支持BLE设备的开发、测试和调试。 7. Keyfob Demo Profiles CC2540/2541开发指南提供了详细的Keyfob Demo Profiles，帮助开发者快速掌握Keyfob的开发和应用。Keyfob是TI公司提供的BLE Demo Profile，支持BLE设备的开发和测试。 8. 小结 CC2540/2541开发指南是TI公司提供的官方开发文档，旨在帮助开发者快速掌握CC2540/2541的开发和应用。开发者可以根据需要查阅相关文献，了解CC2540/2541的技术细节和应用场景。

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Figure 8 Win7 PC, Finding Device Manager

A list of all hardware devices should appear. Under the section “Ports (COM & LPT)”, the device “TI

CC2540 Low-Power RF to USB CDC Serial Port” should appear. Next to the name should be the port

number (for example, the CC2540USB Dongle uses COM8 in Figure 9).

Figure 9 Win7 PC, Connected Ports List

Take note of this port number, as it will be needed in order to use BTool. You may close the device

manager at this point.

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4. Using BTool

BTool is a PC Application that allows a user to form a connection between two BLE devices. BTool works

by communicating with the CC2540, acting as a network processor, by means of HCI vendor specific

commands. The USB Dongle software (when running the HostTestRelease project) and driver create a

virtual serial port over the USB interface. BTool, running on the PC, communicates with the USB Dongle

through this virtual serial port.

More information on the network processor configuration and the HostTestRelease project can be found

in the Texas Instruments Bluetooth® Low Energy Software Developer’s Guide [3]. More information on the

HCI interface, as well as details on the HCI vendor specific commands that are used by the CC2540/41, can

be found in the TI BLE Vendor Specific HCI Reference Guide [4].

For this section, a PC running windows 7 has been used, but the procedures are essentially the same for

other windows version, such as XP.

4.1 Starting the Application

To start the application go into your programs by choosing Start > Programs > Texas Instruments > BLE-

CC254x-1.3 > BTool. On Start-up you should be able to set the Serial Port Settings. Set the “Port” value to

the COM port earlier noted in Section 3.2. For the other settings, use the default values as shown in

Figure 10. Press “OK” to connect to the CC2540 USB Dongle.

Figure 10 BTool, Serial Port settings

When connected you should see the screen presented in Figure 11. The screen indicates that you now

have a serial port connection to the CC2540 USB Dongle. The screen is divided up into a few sections: the

left sidebar contains information on the CC2540 USB Dongle status. The left side of the sub-window

contains a log of all messages sent from the PC to the CC2540 USB Dongle and received by the PC from

the CC2540 USB Dongle. The right side of the sub-window contains a GUI for control of the CC2540 USB

Dongle.

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