diff options
Diffstat (limited to 'lib/efm32/common/dma_common.c')
| -rw-r--r-- | lib/efm32/common/dma_common.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/efm32/common/dma_common.c b/lib/efm32/common/dma_common.c index e6967bfe..e6a18ced 100644 --- a/lib/efm32/common/dma_common.c +++ b/lib/efm32/common/dma_common.c @@ -1,3 +1,6 @@ +/** @addtogroup dma_file DMA peripheral API + * @ingroup peripheral_apis + */ /* * This file is part of the libopencm3 project. * @@ -19,6 +22,8 @@ #include <libopencm3/efm32/dma.h> +/**@{*/ + #define CHANNEL_SUPPORT_LOOP(ch) (((ch) == DMA_CH0) || ((ch) == DMA_CH1)) /** @@ -563,8 +568,8 @@ static inline uint32_t dma_calc_end_from_start(uint32_t start, uint8_t inc, * descriptor * @param[in] ch Channel (use DMA_CHx) * @param[in] src_start Source data start address - * @param[in] this function use dma_desc_set_count() and dma_desc_set_src_inc() - * set value to calculate the src data end address from @a src_start + * this function uses @ref dma_calc_end_from_start to calculate the + * src data end address from @a src_start * @note dma_desc_set_count() should be called first. * @note dma_desc_set_src_inc() should be called first. */ @@ -586,9 +591,8 @@ void dma_desc_set_src_address(uint32_t desc_base, enum dma_ch ch, * descriptor * @param[in] ch Channel (use DMA_CHx) * @param[in] dest_start Destination data start address - * @param[in] this function use dma_desc_set_count() and - * dma_desc_set_dest_inc() set value to calculate the dest data end - * address from @a dest_start + * this function uses @ref dma_calc_end_from_start to calculate the + * dest data end address from @a dest_start * @note dma_desc_set_count() should be called first. * @note dma_desc_set_dest_inc() should be called first. */ @@ -619,3 +623,5 @@ void dma_desc_set_mode(uint32_t desc_base, enum dma_ch ch, enum dma_mode mode) cfg |= DMA_DESC_CH_CFG_CYCLE_CTRL(mode); DMA_DESC_CHx_CFG(desc_base, ch) = cfg; } + +/**@}*/
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