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@@ -259,7 +259,7 @@ extern "C" {
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#define SPI5_TX_DMA_INSTANCE DMA2_Stream6
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#define SPI5_TX_DMA_CHANNEL DMA_CHANNEL_7
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#define SPI5_TX_DMA_IRQ DMA2_Stream6_IRQn
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-#elif defined(BSP_UART6_TX_USING_DMA) && !defined(BSP_USING_SDIO)
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+#elif defined(BSP_UART6_TX_USING_DMA) && !defined(BSP_USING_SDIO) && !defined(UART6_TX_DMA_INSTANCE)
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#define UART6_DMA_TX_IRQHandler DMA2_Stream6_IRQHandler
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#define UART6_TX_DMA_RCC RCC_AHB1ENR_DMA2EN
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#define UART6_TX_DMA_INSTANCE DMA2_Stream6
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