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stm32l4:dma: add Channel Selection defines

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Far from complete support for the channel selection systems on f0/l4,
but at least brings in the defines needed for doing this yourself.

Fixes https://github.com/libopencm3/libopencm3/issues/1001
This commit is contained in:
Karl Palsson 2018-12-30 21:03:40 +00:00
parent 7e1d3daa11
commit ad10e96811
1 changed files with 5 additions and 0 deletions
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5
include/libopencm3/stm32/l4/dma.h
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@ -34,4 +34,9 @@
#include <libopencm3/stm32/common/dma_common_l1f013.h>
/* DMA channel selection register (DMAx_CSELR) */
#define DMA_CSELR(dma_base) MMIO32((dma_base) + 0xA8)
#define DMA1_CSELR DMA_CSELR(DMA1)
#define DMA2_CSELR DMA_CSELR(DMA2)
#endif