From b6e2d2a9d3acd89cdace2a535cfb183bce66fe58 Mon Sep 17 00:00:00 2001 From: Manuel Odendahl Date: Tue, 8 Jan 2013 16:43:38 +0100 Subject: Set DCNTR before starting DMA transfer. I am not sure why this would work for most DMA transfers but I ran into trouble when doing SDIO DMA. Signed-off-by: Manuel Odendahl --- libmaple/stm32f1/include/series/dma.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'libmaple/stm32f1/include/series') diff --git a/libmaple/stm32f1/include/series/dma.h b/libmaple/stm32f1/include/series/dma.h index 3b19e2b..bedb602 100644 --- a/libmaple/stm32f1/include/series/dma.h +++ b/libmaple/stm32f1/include/series/dma.h @@ -145,6 +145,16 @@ typedef struct dma_tube_reg_map { /* Interrupt status register */ +#define DMA_ISR_TEIF_BIT 3 +#define DMA_ISR_HTIF_BIT 2 +#define DMA_ISR_TCIF_BIT 1 +#define DMA_ISR_GIF_BIT 0 + +#define DMA_ISR_TEIF (1 << DMA_ISR_TEIF_BIT) +#define DMA_ISR_HTIF (1 << DMA_ISR_HTIF_BIT) +#define DMA_ISR_TCID (1 << DMA_ISR_TCIF_BIT) +#define DMA_ISR_GIF (1 << DMA_ISR_GIF_BIT) + #define DMA_ISR_TEIF7_BIT 27 #define DMA_ISR_HTIF7_BIT 26 #define DMA_ISR_TCIF7_BIT 25 -- cgit v1.2.3