.\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrfx_twis_enable (referred from main.o).https://devzone.nordicsemi.com/f/nordic-q-a/48358/_build-nrf52832_xxaa-axf-error-l6218e-undefined-symbol-nrfx_twis_enable-referred-from-main-oHi, I try to implement the nrf52832 as the TWI slave but get the following error messages: I have added the nrf.twis.c to the project, included in the main application and did the configuration like this. Do I still miss anything? Thanksen-USTelligent Community 13Thu, 13 Jun 2019 00:50:48 GMTRE: .\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrfx_twis_enable (referred from main.o).https://devzone.nordicsemi.com/thread/192522?ContentTypeID=1Thu, 13 Jun 2019 00:50:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a44071e6-b84b-4bfe-9a31-05fc1c0025cfDuncan Xu<p>Thank you.</p><div style="clear:both;"></div>RE: .\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrfx_twis_enable (referred from main.o).https://devzone.nordicsemi.com/thread/192235?ContentTypeID=1Wed, 12 Jun 2019 07:49:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d1ef349-2271-473f-b13f-c1d0ac6320b7J&#248;rgen Holmefjord<p>Good to hear! You can find some details in the documentation:&nbsp;<a title="Migration guide for nrfx drivers" href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.3.0/nrfx_migration_user_guide.html?cp=5_1_2_5">Migration guide for nrfx drivers</a></p><div style="clear:both;"></div>RE: .\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrfx_twis_enable (referred from main.o).https://devzone.nordicsemi.com/thread/192184?ContentTypeID=1Wed, 12 Jun 2019 01:06:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bd9cf788-1605-429e-8bb0-4251c387a76bDuncan Xu<p>Great. Problem solved. Thank you very much, Jorgen.</p> <p>Would you mind talking a little bit about the legacy layer? I don&#39;t find much information about it.</p> <p>Thanks,</p> <p>Duncan&nbsp;</p><div style="clear:both;"></div>RE: .\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrfx_twis_enable (referred from main.o).https://devzone.nordicsemi.com/thread/192021?ContentTypeID=1Tue, 11 Jun 2019 11:18:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ade5821d-855b-4d30-b1c2-3e14e1378153J&#248;rgen Holmefjord<p>Hi,</p> <p>Do you have the symbol TWIS_ENABLED defined in your sdk_config.h file? If this is defined&nbsp;as 0, you will see this error, as the nrfx configs are overwritten by the legacy layer. Please remove/comment out this define if you have it in your file.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>