stm32f10x_dma.cpp

来自「STM32 USB HID」· C++ 代码 · 共 37 行

#include"stm32f10x_rcc.h"
#include"stm32f10x_nvic.h"
#include"stm32f10x_adc.hpp"
#include"stm32f10x_dma.hpp"
//-----------------------------------------------------------------------------
unsigned short DMAToBuf[4096];
//-----------------------------------------------------------------------------
void DMA_Configuration(void)
{
	//相应时钟使能
	RCC_AHBENR_BITS[DMA1_EN]=1;

	{	//DMA
		{
			DMA1_CCR1_BITS[PL_1]=1;
			DMA1_CCR1_BITS[PL_0]=1;
	
			DMA1_CCR1_BITS[MSIZE_1]=0;
			DMA1_CCR1_BITS[MSIZE_0]=1;
			DMA1_CCR1_BITS[PSIZE_1]=0;
			DMA1_CCR1_BITS[PSIZE_0]=1;
	
			DMA1_CCR1_BITS[MINC]=1;
			DMA1_CCR1_BITS[CIRC]=0;
		}
		
		DMA1_CPAR1=ADC_ADDRESS;
		DMA1_CMAR1=(unsigned long)DMAToBuf;
		
		//DMA1_CCR1_BITS[TCIE]=1;//允许传输完成中断
		//DMA1_CCR1_BITS[EN]=1;	//通道开启*/
	}	

	//相应中断使能
	//NVIC_SETENA0|=EN_DMA1_CHN1;
}