?//?TI?File?$Revision:?/main/3?$
//?Checkin?$Date:?November?6?2008???13:40:52?$
//###########################################################################
//
//?FILE:	DSP2802x_Adc.c
//
//?title:	DSP2802x?ADC?Initialization?&?Support?Functions.
//
//###########################################################################
//?$TI?Release:?2802x?Header?Files?V1.00?$
//?$Release?Date:?November?10?2008?$
//###########################################################################

#include?“DSP2802x_Device.h“?????//?DSP2802x?Headerfile?Include?File
#include?“DSP2802x_Examples.h“???//?DSP2802x?Examples?Include?File

#define?ADC_usDELAY??5000L

//---------------------------------------------------------------------------
//?InitAdc:
//---------------------------------------------------------------------------
//?This?function?initializes?ADC?to?a?known?state.
//
//?NOTE:?ADC?INIT?IS?DIFFERENT?ON?2802x?DEVICES?COMPARED?TO?OTHER?28X?DEVICES
//
void?InitAdc（void）
{
????extern?void?DSP28x_usDelay（Uint32?Count）;

????//?*IMPORTANT*
	//?The?Device_cal?function?which?copies?the?ADC?calibration?values?from?TI?reserved
	//?OTP?into?the?ADCREFSEL?and?ADCOFFTRIM?registers?occurs?automatically?in?the
	//?Boot?ROM.?If?the?boot?ROM?code?is?bypassed?during?the?debug?process?the
	//?following?function?MUST?be?called?for?the?ADC?to?function?according
	//?to?specification.?The?clocks?to?the?ADC?MUST?be?enabled?before?calling?this
	//?function.
	//?See?the?device?data?manual?and/or?the?ADC?Reference
	//?Manual?for?more?information.

	????EALLOW;
		SysCtrlRegs.PCLKCR0.bit.ADCENCLK?=?1;
		（*Device_cal）（）;
		EDIS;

????//?To?powerup?the?ADC?the?ADCENCLK?bit?should?be?set?first?to?enable
????//?clocks?followed?by?powering?up?the?bandgap?reference?circuitry?and?ADC?core.
????//?Before?the?first?conversion?is?performed?a?5ms?delay?must?be?observed
	//?after?power?up?to?give?all?analog?circuits?time?to?power?up?and?settle

????//?Please?note?that?for?the?delay?function?below?to?operate?correctly?the
	//?CPU_RATE?define?statement?in?the?DSP2802x_Examples.h?file?must
	//?contain?the?correct?CPU?clock?period?in?nanoseconds.
	EALLOW;
	AdcRegs.ADCCTL1.bit.ADCBGPWD??=?1;		//?Power?ADC?BG
	AdcRegs.ADCCTL1.bit.ADCREFPWD?=?1;		//?Power?reference
	AdcRegs.ADCCTL1.bit.ADCPWDN???=?1;		//?Power?ADC
	AdcRegs.ADCCTL1.bit.ADCENABLE?=?1;		//?Enable?ADC
	AdcRegs.ADCCTL1.bit.ADCREFSEL?=?0;		//?Select?interal?BG
	EDIS;

????DELAY_US（ADC_usDELAY）;?????????//?Delay?before?converting?ADC?channels
}

void?InitAdcAio（）
{

???EALLOW;

/*?Configure?ADC?pins?using?AIO?regs*/
//?This?specifies?which?of?the?possible?AIO?pins?will?be?Analog?input?pins.
//?NOTE:?AIO1357-9111315?are?analog?inputs?in?all?AIOMUX1?configurations.
//?Comment?out?other?unwanted?lines.

????GpioCtrlRegs.AIOMUX1.bit.AIO2?=?2;????//?Configure?AIO2?for?A2?（analog?input）?operation
????GpioCtrlRegs.AIOMUX1.bit.AIO4?=?2;????//?C

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

?????文件???????7668??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\source\DSP2802x_GlobalVariableDefs.c

?????文件??????15170??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Adc.h

?????文件???????1159??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_BootVars.h

?????文件???????2922??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Comp.h

?????文件???????5682??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_CpuTimers.h

?????文件???????2823??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_DevEmu.h

?????文件???????4741??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Device.h

?????文件???????5671??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_ECap.h

?????文件??????22533??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_EPwm.h

?????文件??????13256??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Gpio.h

?????文件???????7050??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_I2c.h

?????文件???????3150??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_NmiIntrupt.h

?????文件???????5884??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_PieCtrl.h

?????文件???????6269??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_PieVect.h

?????文件???????7858??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Sci.h

?????文件???????6183??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_Spi.h

?????文件??????15522??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_SysCtrl.h

?????文件???????1888??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\include\DSP2802x_XIntrupt.h

?????文件???????4731??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\gel\DSP2802x_Peripheral.gel

?????文件???????5859??2008-11-10?11:09??03.?Examples?of?Program\DSP2802x_headers\cmd\DSP2802x_Headers_nonBIOS.cmd

?????文件???????3409??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\cc_build_Debug.log

?????文件???????1237??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Debug.lkf

?????文件???????7197??2008-12-31?14:55??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.c

?????文件???????8497??2009-01-12?10:11??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.paf2

?????文件???????2045??2009-01-12?10:04??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.pjt

?????文件???????6953??2009-01-12?10:11??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.sbl

?????文件???????3072??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.CS_\FILE.CDX

?????文件???????1302??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.CS_\FILE.DBF

?????文件???????2444??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.CS_\FILE.FPT

?????文件?????186368??2009-01-05?16:27??03.?Examples?of?Program\DSP2802x_examples\gpio_toggle\Example_2802xGpioToggle.CS_\SYMBOL.CDX

............此處省略81個文件信息