I have configured 2 SPIs in DMA and I need to get callback for both SPIs (HAL_SPI_TxCpltCallback). I am able to get callback when tried individually, but simultaneously used its causes build error. Error[Li006]: duplicate definitions .

[JohnsAby]

Build Error

Error[Li006]: duplicate definitions for "HAL_SPI_TxCpltCallback";

void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi)
{
 HAL_GPIO_WritePin(SPIx_NSS_Port, SPIx_NSS_Pin, GPIO_PIN_SET);
}

I use the same in both files ?

any way ? please help

[KnarfB]

Use one callback only and an if statement in the beginning to find out which hspi is calling.

hth

KnarfB

[JohnsAby]

Thanks KnarfB for the fast response. It worked.