topic Re: The CAN module cannot trigger receiving and sending interrupts with MCAL concfg in S32K https://community.nxp.com/t5/S32K/The-CAN-module-cannot-trigger-receiving-and-sending-interrupts/m-p/1342156#M12136 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/97124">@ananan</a>&nbsp;,</P> <P>&nbsp;</P> <P>Could you please check if you&nbsp; have connected your board with other CAN Node (which can send back the ACK for this frame). If the Peripheral does not receive the ACK in the bus, so the TX interrupt will not be triggered.</P> <P>&nbsp;</P> <P>Best regards,</P> <P>Hung</P> Fri, 17 Sep 2021 10:46:43 GMT hungnguyenphi 2021-09-17T10:46:43Z The CAN module cannot trigger receiving and sending interrupts with MCAL concfg https://community.nxp.com/t5/S32K/The-CAN-module-cannot-trigger-receiving-and-sending-interrupts/m-p/1341616#M12120 <P><SPAN>Eb Tresos configures the CAN module. CAN Rx Processing Type and CAN Tx Processing Type* are interrupt modes. Can_Write() is used to send data, but no interrupt is triggered，The specific configuration and code are shown in the figure</SPAN></P><P><SPAN>init</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ananan_0-1631798579885.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/156306i4B075565FC13F0CA/image-size/medium?v=v2&amp;px=400" role="button" title="ananan_0-1631798579885.png" alt="ananan_0-1631798579885.png" /></span></P><P>send</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ananan_1-1631798663512.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/156307i82DB750A9C25583F/image-size/medium?v=v2&amp;px=400" role="button" title="ananan_1-1631798663512.png" alt="ananan_1-1631798663512.png" /></span></P><P><SPAN>For the first time, eReturnValue returns OK. For the second time, eReturnValue returns PENDING. The code inside Can_Write says MB is not empty.</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ananan_2-1631798878623.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/156308iA785DEC183E7EB35/image-size/medium?v=v2&amp;px=400" role="button" title="ananan_2-1631798878623.png" alt="ananan_2-1631798878623.png" /></span></P><P>&nbsp;</P> Thu, 16 Sep 2021 13:29:12 GMT https://community.nxp.com/t5/S32K/The-CAN-module-cannot-trigger-receiving-and-sending-interrupts/m-p/1341616#M12120 ananan 2021-09-16T13:29:12Z Re: The CAN module cannot trigger receiving and sending interrupts with MCAL concfg https://community.nxp.com/t5/S32K/The-CAN-module-cannot-trigger-receiving-and-sending-interrupts/m-p/1342156#M12136 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/97124">@ananan</a>&nbsp;,</P> <P>&nbsp;</P> <P>Could you please check if you&nbsp; have connected your board with other CAN Node (which can send back the ACK for this frame). If the Peripheral does not receive the ACK in the bus, so the TX interrupt will not be triggered.</P> <P>&nbsp;</P> <P>Best regards,</P> <P>Hung</P> Fri, 17 Sep 2021 10:46:43 GMT https://community.nxp.com/t5/S32K/The-CAN-module-cannot-trigger-receiving-and-sending-interrupts/m-p/1342156#M12136 hungnguyenphi 2021-09-17T10:46:43Z