#include?“stm32f4xx.h“

#define?DAC_DHR12R1_ADDRESS?????0x40007408

u16?sinTable[tableSize];

void?sin_Generation（void）
{
	u16?n;
	for（n=0;n	{
		sinTable[n]?=?（sin（2*PI*n/tableSize）+1）*2047;	
	}	
}

void?TIM6_Configuration（void）
{
	RCC_APB1PeriphClockCmd（RCC_APB1Periph_TIM6?ENABLE）;	

?	TIM_PrescalerConfig（TIM6?0x0?TIM_PSCReloadMode_Update）;
??	TIM_SetAutoreload（TIM6?0x1）;
??	TIM_SelectOutputTrigger（TIM6?TIM_TRGOSource_Update）;
	TIM_Cmd（TIM6?ENABLE）;
}

void?GPIO_Configuration（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;

??	RCC_AHB1PeriphClockCmd（RCC_AHB1Periph_GPIOA?ENABLE）;

	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_4;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd?=?GPIO_PuPd_NOPULL;
	GPIO_Init（GPIOA?&GPIO_InitStructure）;
}

void?DAC_DMA_Configuration（void）
{
	DAC_InitTypeDef??DAC_InitStructure;	

	DMA_InitTypeDef?DMA_InitStructure;

	RCC_AHB1PeriphClockCmd（RCC_AHB1Periph_DMA1?ENABLE）;
	
	RCC_APB1PeriphClockCmd（RCC_APB1Periph_DAC?ENABLE）;

	DAC_InitStructure.DAC_Trigger?=?DAC_Trigger_T6_TRGO;
	DAC_InitStructure.DAC_WaveGeneration?=?DAC_WaveGeneration_None;
	DAC_InitStructure.DAC_OutputBuffer?=?DAC_OutputBuffer_Disable;
	DAC_Init（DAC_Channel_1?&DAC_InitStructure）;

	DMA_DeInit（DMA1_Stream5）;
	DMA_InitStructure.DMA_Channel?=?DMA_Channel_7;??
	DMA_InitStructure.DMA_PeripheralbaseAddr?=?DAC_DHR12R1_ADDRESS;
	DMA_InitStructure.DMA_Memory0baseAddr?=?（uint32_t）&sinTable;
	DMA_InitStructure.DMA_BufferSize?=?tableSize;
	DMA_InitStructure.DMA_PeripheralDataSize?=?DMA_PeripheralDataSize_HalfWord;
	DMA_InitStructure.DMA_MemoryDataSize?=?DMA_PeripheralDataSize_HalfWord;
	DMA_InitStructure.DMA_DIR?=?DMA_DIR_MemoryToPeripheral;
	DMA_InitStructure.DMA_PeripheralInc?=?DMA_PeripheralInc_Disable;
	DMA_InitStructure.DMA_MemoryInc?=?DMA_MemoryInc_Enable;
	DMA_InitStructure.DMA_Mode?=?DMA_Mode_Circular;
	DMA_InitStructure.DMA_Priority?=?DMA_Priority_High;
	DMA_InitStructure.DMA_FIFOMode?=?DMA_FIFOMode_Disable;?????????
	DMA_InitStructure.DMA_FIFOThreshold?=?DMA_FIFOThreshold_HalfFull;
	DMA_InitStructure.DMA_MemoryBurst?=?DMA_MemoryBurst_Single;
	DMA_InitStructure.DMA_PeripheralBurst?=?DMA_PeripheralBurst_Single;
	DMA_Init（DMA1_Stream5?&DMA_InitStructure）;????
	
	DMA_Cmd（DMA1_Stream5?ENABLE）;
	
	DAC_Cmd（DAC_Channel_1?ENABLE）;
	
	DAC_DMACmd（DAC_Channel_1?ENABLE）;
}?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-13?13:10??sin_cos_DAC\
?????文件??????259595??2012-07-13?13:10??sin_cos_DAC\BlankPrj.uvgui.laoyl
?????文件??????256964??2012-07-13?10:42??sin_cos_DAC\BlankPrj.uvgui_laoyl.bak
?????文件???????18614??2012-07-13?13:10??sin_cos_DAC\BlankPrj.uvopt
?????文件???????17893??2012-07-13?10:42??sin_cos_DAC\BlankPrj.uvproj
?????文件???????18628??2012-07-13?10:42??sin_cos_DAC\BlankPrj_uvopt.bak
?????文件???????22611??2012-07-05?00:22??sin_cos_DAC\BlankPrj_uvproj.bak
?????目錄???????????0??2012-07-13?13:10??sin_cos_DAC\Debug\
?????文件?????????276??2012-07-13?13:10??sin_cos_DAC\Debug\BlankPrj.plg
?????文件?????????479??2011-10-20?15:08??sin_cos_DAC\Debug\BlankPrj.sct
?????文件????????2184??2012-07-13?10:40??sin_cos_DAC\Debug\BlankPrj.tra
?????文件??????????19??2012-07-13?10:41??sin_cos_DAC\Debug\ExtDll.iex
?????目錄???????????0??2012-07-12?14:16??sin_cos_DAC\lib\
?????文件?????9654196??2011-07-26?17:34??sin_cos_DAC\lib\arm_cortexM4lf_math.lib
?????目錄???????????0??2012-07-12?14:16??sin_cos_DAC\Source\
?????文件??????240326??2011-10-04?02:48??sin_cos_DAC\Source\arm_math.h
?????文件????????2424??2012-07-13?10:19??sin_cos_DAC\Source\common.c
?????文件?????????204??2012-07-13?10:05??sin_cos_DAC\Source\common.h
?????文件?????????172??2012-07-13?13:10??sin_cos_DAC\Source\main.c
?????文件???????26908??2011-09-19?17:06??sin_cos_DAC\Source\selftest.c
?????文件????????1800??2011-09-19?17:06??sin_cos_DAC\Source\selftest.h
?????文件???????29506??2011-09-09?12:25??sin_cos_DAC\Source\startup_stm32f4xx.s
?????文件????????3914??2012-07-12?16:05??sin_cos_DAC\Source\stm32f4xx_conf.h
?????文件????????4457??2011-09-19?17:07??sin_cos_DAC\Source\stm32f4xx_it.c
?????文件????????2067??2011-09-19?17:07??sin_cos_DAC\Source\stm32f4xx_it.h
?????文件?????????918??2012-06-29?13:44??sin_cos_DAC\Source\sysdelay.c
?????文件?????????349??2012-06-29?13:46??sin_cos_DAC\Source\sysdelay.h
?????文件???????21471??2012-06-29?15:22??sin_cos_DAC\Source\system_stm32f4xx.c
?????文件????????2224??2011-09-19?17:06??sin_cos_DAC\Source\usbd_conf.h
?????文件????????8400??2011-09-19?17:06??sin_cos_DAC\Source\usbd_desc.c
?????文件????????3425??2011-09-19?17:06??sin_cos_DAC\Source\usbd_desc.h
............此處省略64個文件信息