NFCのトピックPN7150 NFC Controller Initialization Failed https://community.nxp.com/t5/NFC/PN7150-NFC-Controller-Initialization-Failed/m-p/688199#M2422 <HTML><HEAD></HEAD><BODY><P>I am trying to build &nbsp;nfcDemoApp application to run on imx6 based target&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">using PN7150 NFC Controller</SPAN>. I have followed NXP AN11697 document to build kernel driver and "nfcDemoApp" application as well as install the library. When I run the demo application on the target, it says "NfcService Init Failed Leaving...".</P><P>By checking the source code, I know it is due to API function call&nbsp;nativeNfcManager_doInitialize() returning non-zero value. But there is no further detailed explanation of the cause in the "Linux_NFC_API_Guide.html" file.</P><P>Can anybody tell me what might be causing non-zero return value of that API function call? How do I know whether the kernel driver or the library were correctly built and installed?</P><P></P><P>Thank you.</P><P>William</P></BODY></HTML> Wed, 14 Jun 2017 23:16:21 GMT wjzhang99 2017-06-14T23:16:21Z PN7150 NFC Controller Initialization Failed https://community.nxp.com/t5/NFC/PN7150-NFC-Controller-Initialization-Failed/m-p/688199#M2422 <HTML><HEAD></HEAD><BODY><P>I am trying to build &nbsp;nfcDemoApp application to run on imx6 based target&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">using PN7150 NFC Controller</SPAN>. I have followed NXP AN11697 document to build kernel driver and "nfcDemoApp" application as well as install the library. When I run the demo application on the target, it says "NfcService Init Failed Leaving...".</P><P>By checking the source code, I know it is due to API function call&nbsp;nativeNfcManager_doInitialize() returning non-zero value. But there is no further detailed explanation of the cause in the "Linux_NFC_API_Guide.html" file.</P><P>Can anybody tell me what might be causing non-zero return value of that API function call? How do I know whether the kernel driver or the library were correctly built and installed?</P><P></P><P>Thank you.</P><P>William</P></BODY></HTML> Wed, 14 Jun 2017 23:16:21 GMT https://community.nxp.com/t5/NFC/PN7150-NFC-Controller-Initialization-Failed/m-p/688199#M2422 wjzhang99 2017-06-14T23:16:21Z Re: PN7150 NFC Controller Initialization Failed https://community.nxp.com/t5/NFC/PN7150-NFC-Controller-Initialization-Failed/m-p/688200#M2423 <HTML><HEAD></HEAD><BODY><P>This may useful for you</P><P><A href="https://community.nxp.com/docs/DOC-331906">https://community.nxp.com/docs/DOC-331906</A>&nbsp;</P></BODY></HTML> Wed, 21 Jun 2017 02:23:50 GMT https://community.nxp.com/t5/NFC/PN7150-NFC-Controller-Initialization-Failed/m-p/688200#M2423 jimmychan 2017-06-21T02:23:50Z