/**************************************************************************************??????????????????????????????????????????????????????????????????????
*名稱：PWM調試程序

*時間：2013年3月8日
*作者：huangcheng
*說明：要求PWM6H輸出40%占空比方波，PWM7H輸出60%占空比方波，PWM6L和PWM7L始終為高（CS240決定）
*其他：如有能力，要求PWM6H與PWM7H輸出180°移相???????????????
***************************************************************************************/
//“文件包含“處理
#include?“p33FJ64GS610.h“

#define?BIT7????0x0080
#define?IGBTEN_ON?PORTD=LATD&（~BIT7）

//配置文件
_FOSCSEL（FNOSC_FRC）?????????//初始振蕩器源選擇：000=FRC振蕩器
_FOSC（FCKSM_CSECMD?&?OSCIOFNC_ON）?//時鐘切換模式：01=使能時鐘切換，禁止故障保護時鐘監視器
??????????????????????????????????//OSC2引腳功能位（XT和HS模式除外）：0=OSC2為通用數字I/O引腳
_FWDT（FWDTEN_OFF）????????//看門狗定時器使能:0=通過用戶軟件使能/?禁止看門狗定時器
_FPOR（FPWRT_PWR128）??????//上電復位定時器值選擇位:111=PWRT=128ms???????????????????????????????????
_FICD（ICS_PGD1?&?JTAGEN_OFF）?//ICD通信通道選擇使能位：11=在PGEC1和PGED1上進行通信
?????????????????????????????//JTAG使能位：0=禁止JTAG

void?init_PWM（void）;

//main主函數
int?main（）
{
??/********?Configure?Oscillator?to?operate?the?device?at?39.6288Mhz（MIPS）
	?????????????????Fosc=?Fin*M/（N1*N2）?Fcy=Fosc/2
?	?????????Fosc=?7.3728*（43）/（2*2）=79.2576Mhz?for?Fosc?Fcy?=?40Mhz?*********/

	/*?Configure?PLL?prescaler?PLL?postscaler?PLL?divisor?*/
	PLLFBD=41;?				/*?M=PLLFBD+2=43?*/
	CLKDIVbits.PLLPOST=0;???/*?N2=PLLPOST+2=2?*/
	CLKDIVbits.PLLPRE=0;????/*?N1=PLLPRE+2=2?*/

????__builtin_write_OSCCONH（0x01）;			/*?快速RC振蕩器（FRC）→帶PLL的快速RC振蕩器（FRC）?*/
????__builtin_write_OSCCONL（0x01）;??		/*?Enable?Switch?*/
??????
	//?Wait?for?Clock?switch?to?occur
????while（OSCCONbits.COSC?!=?0b001）;		/*?Wait?for?new?Oscillator?to?become?FRC?with?PLL?*/??
????while（OSCCONbits.LOCK?!=?1）;			/*?Wait?for?Pll?to?Lock?*/


??/****************?Setup?the?ADC?and?PWM?clock?for?117.9648MHz
	?????????????????????????????????N=APSTSCLR=1
	??????????????（（Posc?*?16）?/?APSTSCLR?）?=?（7.3728?*?16）?/?1?=?117.9648MHz
	??????????????????????????PWM?resolution?is?1.0596ns.??????????????????****************/
	ACLKCONbits.FRCSEL?=?1;		/*?為附屬PLL?選擇FRC時鐘?*/
	ACLKCONbits.SELACLK?=?1;	/*?附屬振蕩器為附屬時鐘分頻器提供源時鐘，Auxiliary?Oscillator?provides?clock?source?for?PWM?&?ADC?*/
	ACLKCONbits.APSTSCLR?=?7;		/*?附屬時鐘輸出1分頻，Divide?Auxiliary?clock?by?1?*/
	ACLKCONbits.ENAPLL?=?1;			/*?使能APLL?*/
	
	while（ACLKCONbits.APLLCK?!=?1）;			/*?Wait?for?Auxiliary?PLL?to?Lock?*/


/************************??????IO端口設定??????*********************************/
????ADPCFG|=0xFFFF;?????????????????????
	ADPCFG2|=0x00FF;?????//所有模擬口?都設為數字IO口

????//PWM模塊IO初始
	PORTD=LATD|0x2038;
????PORTD=LATD&0xFF7F;
	TRISD&=0xdf47;???????//IGBTEN初始為低，配置為輸出引腳pwm6H、6L、7H、7L配置為輸出引腳，初始高電平
????
????init_PWM（）;
????
????while（1）;?????????????????????			/*?Infinite?Loop?*/
}

void?init_PWM（）
{

????PTPER=47188;???????????????????????/*?PTPER?=?（（1?/?20kHz）?/?1.0596ns）?=?47188?where?20kHz?
					???????????????????is?the?desired?switching?frequency?and?1.0596ns?is?PWM?resolution.?*/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-03-09?11:36??PWM_dspic\
?????文件??????288753??2013-03-09?11:31??PWM_dspic\6KWDCDC-pic.cof
?????文件????????5208??2013-03-09?11:31??PWM_dspic\6KWDCDC-pic.hex
?????文件??????133889??2013-03-09?11:31??PWM_dspic\6KWDCDC-pic.map
?????文件????????1186??2013-03-09?11:35??PWM_dspic\6KWDCDC-pic.mcp
?????文件????????1939??2013-03-09?11:35??PWM_dspic\6KWDCDC-pic.mcs
?????文件?????1911296??2013-03-09?11:35??PWM_dspic\6KWDCDC-pic.mcw
?????文件????????4567??2013-07-19?16:28??PWM_dspic\main.c
?????文件??????256219??2013-03-09?11:31??PWM_dspic\main.o
?????文件???????74557??2012-09-11?15:54??PWM_dspic\p33FJ64GS610.gld
?????文件??????430347??2012-09-11?15:54??PWM_dspic\p33FJ64GS610.h
?????文件??????????59??2013-03-11?08:25??PWM_dspic\備注.txt
?????文件????????4554??2013-07-19?16:27??PWM_dspic\程序稿.txt