SPI ISSUE

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SPI ISSUE

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chris_010
Contributor III

In my project, I use spi as slave to receive data(Interrupt mode).when I use SPI_0, every thing goes well,I can receive data normally.However when I use SPI_1 and SPI_3,I can't receive normally, but the callback shows spi data transfer end. I have checked the SPI configuration across these cases, no issues were found.What may be the cause of SPI_1 reception failure, MY code is attached.

Lpspi_Ip_AsyncTransmit(&SLAVE_EXTERNAL_DEVICE_1, Spi_0_TxSlaveBuffer, Spi_0_RxSlaveBuffer, 54, lpspi_callback_int);
Lpspi_Ip_AsyncTransmit(&SLAVE_EXTERNAL_DEVICE_2, Spi_1_TxSlaveBuffer, Spi_1_RxSlaveBuffer, 54, lpspi1_callback_int);

Spi_0_TxSlaveBuffer receive data normalyyl, but Spi_1_TxSlaveBuffer can't.

 

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%3CLINGO-SUB%20id%3D%22lingo-sub-2306582%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ESPI%E3%81%AE%E5%95%8F%E9%A1%8C%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2306582%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E7%A7%81%E3%81%AE%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E3%81%A7%E3%81%AF%E3%80%81SPI%E3%82%92%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%81%A8%E3%81%97%E3%81%A6%E4%BD%BF%E3%81%A3%E3%81%A6%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E5%8F%97%E4%BF%A1%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%EF%BC%88%E5%89%B2%E3%82%8A%E8%BE%BC%E3%81%BF%E3%83%A2%E3%83%BC%E3%83%89%EF%BC%89%E3%80%82SPI_0%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%E3%81%8C%E3%80%81%E3%81%99%E3%81%B9%E3%81%A6%E6%AD%A3%E5%B8%B8%E3%81%AB%E5%8B%95%E4%BD%9C%E3%81%97%E3%80%81%E6%AD%A3%E5%B8%B8%E3%81%AB%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E5%8F%97%E4%BF%A1%E3%81%A7%E3%81%8D%E3%81%BE%E3%81%99%E3%80%82%E3%81%97%E3%81%8B%E3%81%97%E3%80%81SPI_1%E3%81%A8SPI_3%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%99%E3%82%8B%E3%81%A8%E6%AD%A3%E5%B8%B8%E3%81%AB%E5%8F%97%E4%BF%A1%E3%81%A7%E3%81%8D%E3%81%9A%E3%80%81%E3%82%B3%E3%83%BC%E3%83%AB%E3%83%90%E3%83%83%E3%82%AF%E3%81%AB%E3%81%AFSPI%E3%83%87%E3%83%BC%E3%82%BF%E8%BB%A2%E9%80%81%E3%81%AE%E7%B5%82%E4%BA%86%E3%81%8C%E8%A1%A8%E7%A4%BA%E3%81%95%E3%82%8C%E3%81%BE%E3%81%99%E3%80%82%3CSPAN%3E%E3%81%93%E3%82%8C%E3%82%89%E3%81%AE%E3%82%B1%E3%83%BC%E3%82%B9%E3%81%A7SPI%E8%A8%AD%E5%AE%9A%E3%82%92%E7%A2%BA%E8%AA%8D%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F%E3%81%8C%E3%80%81%E5%95%8F%E9%A1%8C%E3%81%AF%E8%A6%8B%E3%81%A4%E3%81%8B%E3%82%8A%E3%81%BE%E3%81%9B%E3%82%93%E3%81%A7%E3%81%97%E3%81%9F%E3%80%82SPI_1%E3%81%AE%E5%8F%97%E4%BF%A1%E5%A4%B1%E6%95%97%E3%81%AE%E5%8E%9F%E5%9B%A0%E3%81%AF%E4%BD%95%E3%81%A7%E3%81%97%E3%82%87%E3%81%86%E3%81%8B%EF%BC%9F%E7%A7%81%E3%81%AE%E3%82%B3%E3%83%BC%E3%83%89%E3%82%92%E6%B7%BB%E4%BB%98%E3%81%97%E3%81%BE%E3%81%99%E3%80%82%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%3CSPAN%3ELpspi_Ip_AsyncTransmit(%26amp%3BSLAVE_EXTERNAL_DEVICE_1%E3%80%81Spi_0_Tx%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%83%90%E3%83%83%E3%83%95%E3%82%A1%E3%80%81Spi_0_Rx%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%83%90%E3%83%83%E3%83%95%E3%82%A1%E3%80%8154%E3%80%81lpspi_callback_int)%3B%3CBR%20%2F%3E%20Lpspi_Ip_AsyncTransmit(%26amp%3BSLAVE_EXTERNAL_DEVICE_2%E3%80%81Spi_1_Tx%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%83%90%E3%83%83%E3%83%95%E3%82%A1%E3%80%81Spi_1_Rx%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%83%90%E3%83%83%E3%83%95%E3%82%A1%E3%80%8154%E3%80%81lpspi1_callback_int)%3B%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%3CSPAN%3ESpi_0_TxSlaveBuffer%20%E3%81%AF%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E6%AD%A3%E5%B8%B8%E3%81%AB%E5%8F%97%E4%BF%A1%E3%81%97%E3%81%BE%E3%81%99%E3%81%8C%E3%80%81Spi_1_TxSlaveBuffer%20%E3%81%AF%E5%8F%97%E4%BF%A1%E3%81%A7%E3%81%8D%E3%81%BE%E3%81%9B%E3%82%93%E3%80%82%3C%2FSPAN%3E%3C%2FP%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E