RC663 LPCD性能优化

[lizhihong]

我们想提升NFC LPCD性能这一点（LPCD这项功能我们断断续续调试了3年，效果都并不理想）。

我们有丰富的天线阻抗匹配调试和产品设计的经验、测试实验室以及调试设备，但是NFC内部参数配置的调优感觉仍有不足。

最近深入查看RC663手册（CLRC663.pdf）和其中描述到的AN手册（AN11783.pdf、AN11019.pdf、AN11145.pdf）发现有一个上位机软件“NXP NFC Cockpit v4.8.0”，希望能提供上位机使用手册和说明文档【1】。通过上位机测试可以方便调试优化RX接收电路从而提高LPCD性能（上位机中的一些测试项目，其实还不太理解，类似的UM10883.pdf虽然也比较完善，但是仍有一些测试内容和测试设备不明白，需要再深入理解一下）。

同时我们找到一块属于 NXP OM26630FDK套件的开发板CLEV6630B（V2.0）。经过下载上位机软件“NXP NFC Cockpit v4.8.0”安装目录下\firmware\Secondary_RC663\BootLoader_And_Nfcrdlib_SimplifiedAPI_EMVCo_Secondary.bin 到开发板CLEV6630B（V2.0），再用上位机控制测试，发现LPCD的性能非常好（稳定而且检测距离远），但是相比之下我们自己设计的板子工作效果却不尽人意（阻抗调试能保证我们设计的产品（裸板）正常读卡距离 MIFARE 卡 能达到5cm及以上，LPCD距离只有1~1.5cm）。如果想要把NFC设计在金属工装内使用，例如门锁上，则很大程度提升我们调试难度，所以需要通过一些工具辅助，达到更好的工作效果。

同时想知道 上位机软件“NXP NFC Cockpit v4.8.0”安装目录下\firmware\Secondary_RC663\BootLoader_And_Nfcrdlib_SimplifiedAPI_EMVCo_Secondary.bin 下载到开发板CLEV6630B（V2.0）可以连接上位机，而NXP Reader Library生成的 Nfcrdlib_SimplifiedAPI_EMVCo.bin 却不能连接上位机，其中缺少的这个 BootLoader 就是连接上位机的程序，这部分程序可否开源方便我们移植到我们自己的板子上【2】（例如从LPC1769移植到LPC55s69），这样方便使用我们的板子直接对RC663及其天线电路性能进行调试及性能量化。

总结我的需求：

【1】希望能提供上位机软件“NXP NFC Cockpit v4.8.0”使用手册和说明文档

【2】希望能提供与上位机软件“NXP NFC Cockpit v4.8.0” 通讯的 MCU BootLoader 部分程序的工程源码

[Kan_Li]

Hi Zhilong,

We provide app notes and training video as well for this tool , you may refer to NFC Cockpit | NXP  for details.

For source code of the bootloader, actually I don't have it either, but you may create a private ticket as shown in https://community.nxp.com/docs/DOC-329745?sr=search&searchId=4529053e-4044-4535-938d-95d54b740aac&se...  and I may help to check with our expert team.

Have a great day,
Kan

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[lizhihong]

Thanks a lot.

I will watch them first. They were not available because of prohibition by our company's network that I thought it as not available at all. Now, I have tried it successfully on my phone.

I will try my private ticket on my NXP Support link, as well.

By the way, I'm Zhihong, not Zhilong.

[Kan_Li]

Hi Zhihong,

Sorry for the typo! Looking forward to have your ticket soon.

Have a great day,
Kan

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[lizhihong]

I have just set up a private NXP support.

Please deal with it. Thanks!

[Kan_Li]

Got it! I am handling it now. 

Have a great day,
Kan

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