/**************************************************************************//**
?*?@file?????Dl645_Fft.c
?*?@brief????
?*???????????
?*?@version??V1.2
?*?@date?????2017/5/26
?*
?*?@note
?*?Copyright?（C）?REnergy?Micro-Electronics?Co.LTD.
??*--------------------------Update?History-------------------------------------
?*????????????V1.1?add?source?code?of?fnRN8302_ReadBuf
?*?2017/5/26??V1.2?correct?the?calculation?of?total?harmonic?ftemp_P
?*
?******************************************************************************/
#define??_DL645_fft_GLOBALS
#include?

const?float?Fftcoefficient[50]=					//?諧波計(jì)算時補(bǔ)償系數(shù)
{
	1.0005
	1.0027
	1.0054
	1.0087
	1.0129
	1.0175
	1.0229
	1.029
	1.0362
	1.0438
	1.0524
	1.0618
	1.0718
	1.0827
	1.0944
	1.1075
	1.121
	1.136
	1.1517
	1.1685
	1.1862
	1.2051
	1.2255
	1.2475
	1.27
	1.2942
	1.3199
	1.3468
	1.3758
	1.407
	1.4421
	1.4714
	1.5107
	1.5483
	1.5873
	1.6312
	1.6727
	1.7199
	1.77
	1.8231
	1.8797
	1.9448
	2.0074
	2.074
	2.1534
	2.2126
	2.2919
	2.3762
	2.467
	2.5639
};

void?fnRN8302_ReadBuf（u16?wRegu8?*pBuf）
{
	u8?ijtempchksum;
	PinMode_ADCS（GPIO_MODE_OUT）;
	PinMode_ADSCLK（GPIO_MODE_OUT）;
	PinMode_ADSDO（GPIO_MODE_OUT）;
	PinMode_ADSDI（GPIO_MODE_IN）;
	ENABLE_RN8302（）;//PinWrite_ADCS（0）;
	temp?=?（u8）（wReg?&?0x00ff）;
	chksum?=?temp;
	fnSpi2_WriteByte（?temp）;?//first?write?hight?Addr
	temp?=?（（u8）（wReg?>>?4））&?0xf0;
	temp?=?temp?|?0x0c?;			//BRUST?áè?μ??·?a16
	chksum?+=?temp;
	fnSpi2_WriteByte（?temp）;
????
	for（j=0;j	{
		for（i?=?3;?i?>?0;i--）
		{
			pBuf[（i+j*3-1）]?=?fnSpi2_ReadByte（）;?
			chksum?+=?pBuf[i-1];
		}
	}
	if（fnSpi2_ReadByte（）!=chksum）??
	{
		DISABLE_RN8302（）;//PinWrite_ADCS（1）;
	}
	PinWrite_ADCS（1）;
	PinWrite_ADCS（1）;
	PinWrite_ADSDO（1）;
	PinWrite_ADSCLK（1）;
}

void?fnDl645Fft_init（void）
{
	Harmonictemp.Channel=0x00;
	Harmonictemp.DataCount=0;
????Harmonictemp.StarFlag=0;
????Harmonictemp.ADSPIBusy?=?0;
????memset（&Harmonictemp0sizeof（sADE_Instantaneous_TypeDef））;
????memset（&HarmonicData0sizeof（sDl645FftHarmonicData_TypeDef））;
}


void?SampleDataModifyF（float?*piRetValue）
{
	u8?i;
	u32	Temp;
???	for（i=0;?i???	{
	???	piRetValue[i]?=?0;
	???	Temp?=?0;
	???	memcpy（（u8?*）&Temp??&（Harmonictemp.InstantaneousData[i*3]）??3）;
???		if（Temp?&0x800000）?
???		{
???			Temp?=?（0xffffff?-?Temp）?+?1;
???			piRetValue[i]?=?-（float）Temp/8388608;
???		}
???		else?piRetValue[i]?=?（float）Temp/8388608;
???	}
}

void?FFT（float?dataR[NUM_FFT]float?dataI[NUM_FFT]）
{
	int?x0x1x2x3x4x5x6xx;
	int?ijkbpL;
	float?TRTItemp;
	
	/**********?following?code?invert?sequence?************/
	for?（?i=0;i	{
		x0=x1=x2=x3=x4=x5=x6=0;
		x0=i&0x01;?x1=（i/2）&0x01;?x2=（i/4）&0x01;?x3=（i/8）&0x01;x4=（i/16）&0x01;?x5=（i/32）&0x01;?x6=（i/64）&0x01;
		xx=x0*64+x1*32+x2*16+x3*8+x4*4+x5*2+x6;
		dataI[x

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????I.A....????530777??2017-09-18?16:04??RN7302\RN7302?DEMO板\原理圖及PCB\RN7302_DEMO?V1.1.PCB

????I.A....???1163264??2017-09-18?16:04??RN7302\RN7302?DEMO板\原理圖及PCB\RN7302_DEMO.Ddb

????I.A....?????99470??2017-09-18?16:04??RN7302\RN7302?DEMO板\原理圖及PCB\SCH_RN7302?Demo板?V1.1.pdf

????I.A....?????79765??2017-09-18?16:04??RN7302\RN7302?DEMO板\原理圖及PCB\SCH_RN7302_DEMO_V11.Sch

????I.A....???1182045??2017-09-18?16:04??RN7302\RN7302?DEMO板\銳能微RN7302?Demo板應(yīng)用指南V1.0.pdf

????I.A....???1512874??2017-09-18?16:04??RN7302\參考電路\RN7302三相表.zip

????I.A....????834842??2017-09-18?16:04??RN7302\應(yīng)用筆記\7302直流測試應(yīng)用筆記_V1.1.pdf

????I.A....????381727??2017-09-18?16:04??RN7302\應(yīng)用筆記\RN7302三相不平衡檢測應(yīng)用筆記V1.0.pdf

????I.A....????688765??2017-09-18?16:04??RN7302\應(yīng)用筆記\RN7302諧波分析應(yīng)用筆記V1.0.pdf

????I.A....????754254??2017-09-18?16:04??RN7302\應(yīng)用筆記\RN8302、RN7302?應(yīng)用筆記v1.1.pdf

????I.A....???2568106??2017-09-18?16:04??RN7302\應(yīng)用筆記\廣東省計(jì)量院測試報(bào)告-閃變.pdf

????I.A....????652622??2017-09-18?16:04??RN7302\應(yīng)用筆記\銳能微電壓質(zhì)量檢測模塊說明v08.pdf

????I.A....????356186??2017-09-18?16:04??RN7302\應(yīng)用筆記\銳能微電壓閃變測試環(huán)境.pdf

????I.A....??????8359??2017-09-18?16:04??RN7302\支持軟件\FFT\Dl645_Fft.c

????I.A....??????1289??2017-09-18?16:04??RN7302\支持軟件\FFT\Dl645_Fft.h

????I.A....????112640??2017-09-18?16:04??RN7302\支持軟件\FFT\FFT說明.doc

????I.A....?????15856??2017-09-18?16:04??RN7302\支持軟件\FFT\三相計(jì)量?FFT補(bǔ)償系數(shù).xlsx

????I.A....?????10985??2017-09-18?16:04??RN7302\支持軟件\RN7302?C語言計(jì)量參考程序v1.1.zip

????I.A....????265824??2017-09-18?16:04??RN7302\支持軟件\不平衡度程序.rar

????I.A....???2877309??2017-09-18?16:04??RN7302\用戶手冊\RN7302用戶手冊_V1.5.pdf

?????目錄??????????0??2017-09-18?16:04??RN7302\RN7302?DEMO板\原理圖及PCB

?????目錄??????????0??2017-09-18?16:04??RN7302\支持軟件\FFT

?????目錄??????????0??2017-09-18?16:04??RN7302\RN7302?DEMO板

?????目錄??????????0??2017-09-18?16:04??RN7302\參考電路

?????目錄??????????0??2017-09-18?16:04??RN7302\應(yīng)用筆記

?????目錄??????????0??2017-10-30?09:50??RN7302\支持軟件

?????目錄??????????0??2017-09-18?16:04??RN7302\用戶手冊

?????目錄??????????0??2017-09-25?14:06??RN7302

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?????????????14096959????????????????????28

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