diff options
| -rw-r--r-- | libmaple/dma.c | 2 | ||||
| -rw-r--r-- | libmaple/dma.h | 7 |
2 files changed, 5 insertions, 4 deletions
diff --git a/libmaple/dma.c b/libmaple/dma.c index 57baa13..ff978de 100644 --- a/libmaple/dma.c +++ b/libmaple/dma.c @@ -48,6 +48,7 @@ static dma_dev dma1 = { { .handler = NULL, .irq_line = NVIC_DMA_CH6 }, { .handler = NULL, .irq_line = NVIC_DMA_CH7 }} }; +/** DMA1 device */ dma_dev *DMA1 = &dma1; #ifdef STM32_HIGH_DENSITY @@ -60,6 +61,7 @@ static dma_dev dma2 = { { .handler = NULL, .irq_line = NVIC_DMA2_CH_4_5 }, { .handler = NULL, .irq_line = NVIC_DMA2_CH_4_5 }} /* !@#$ */ }; +/** DMA2 device */ dma_dev *DMA2 = &dma2; #endif diff --git a/libmaple/dma.h b/libmaple/dma.h index 7c380d0..e724e98 100644 --- a/libmaple/dma.h +++ b/libmaple/dma.h @@ -269,8 +269,9 @@ typedef struct dma_reg_map { /** Encapsulates state related to a DMA channel interrupt. */ typedef struct dma_handler_config { - void (*handler)(void); - nvic_irq_num irq_line; + void (*handler)(void); /**< User-specified channel interrupt + handler */ + nvic_irq_num irq_line; /**< Channel's NVIC interrupt number */ } dma_handler_config; /** DMA device type */ @@ -280,10 +281,8 @@ typedef struct dma_dev { dma_handler_config handlers[]; /**< IRQ handlers and NVIC numbers. */ } dma_dev; -/** DMA1 device */ extern dma_dev *DMA1; #ifdef STM32_HIGH_DENSITY -/** DMA2 device */ extern dma_dev *DMA2; #endif |