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/* Variable declarations for DMA_1 */ int16 BubbleValueG ; uint8 DMA_1_Chan; uint8 DMA_1_TD[1]; /* DMA Configuration for DMA_1 */ #define DMA_1_BYTES_PER_BURST 2 #define DMA_1_REQUEST_PER_BURST 1 #define DMA_1_SRC_BASE (CYDEV_PERIPH_BASE) #define DMA_1_DST_BASE (CYDEV_SRAM_BASE) void dma_init() { DMA_1_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST, HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE)); DMA_1_TD[0] = CyDmaTdAllocate(); CyDmaTdSetConfiguration(DMA_1_TD[0], 2, DMA_INVALID_TD, TD_SWAP_EN | TD_INC_DST_ADR | DMA_1__TD_TERMOUT_EN); CyDmaTdSetAddress(DMA_1_TD[0], LO16((uint32)ADC_DEC_SAMP_PTR), LO16((uint32)&BubbleValueG)); CyDmaChSetInitialTd(DMA_1_Chan, DMA_1_TD[0]); CyDmaChEnable(DMA_1_Chan, 1); }
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