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samples: circular_dma: fix DMA config for nucleo_c031c6

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The circular DMA sample incorrectly configured channel 3 for the
NUCLEO-C031C6 board, but this MCU has only 3 channels (0 - 2).
Fixed by changing to channel 2.

Signed-off-by: Richard Skriwanek <richy@fnc.at>
This commit is contained in:
Richard Skriwanek 2025-05-25 13:52:01 +02:00 • committed by Fabio Baltieri
commit 870703fe85
1 changed files with 1 additions and 1 deletions
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samples/boards/st/uart/circular_dma/boards/nucleo_c031c6.overlay
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@ -6,7 +6,7 @@
&usart2 { &usart2 {
dmas = <&dmamux1 0 53 (STM32_DMA_PERIPH_TX)>, dmas = <&dmamux1 0 53 (STM32_DMA_PERIPH_TX)>,
<&dmamux1 3 52 (STM32_DMA_PERIPH_RX | STM32_DMA_MEM_8BITS | STM32_DMA_MODE_CYCLIC)>; <&dmamux1 2 52 (STM32_DMA_PERIPH_RX | STM32_DMA_MEM_8BITS | STM32_DMA_MODE_CYCLIC)>;
dma-names = "tx", "rx"; dma-names = "tx", "rx";
fifo-enable; fifo-enable;
}; };