灏嶄簬闆绘(j墨)鐨勮綁(zhu菐n)閫熻(di脿o)鏁达紝鎴戝€戞槸閲囩敤鑴堝瑾�(di脿o)鍒讹紙PWM锛夎睛娉�锛屾帶鍒堕浕姗�(j墨)鐨勬檪(sh铆)鍊欙紝闆绘簮骞堕潪閫ｇ簩(x霉)鍦板悜闆绘(j墨)渚涢浕锛岃€屾槸鍦ㄤ竴鍊�(g猫)鐗瑰畾鐨勯牷鐜囦笅浠ユ柟娉㈣剤娌栫殑褰㈠紡鎻愪緵闆昏兘銆備笉鍚屽崰绌烘瘮鐨勬柟娉俊铏�(h脿o)鑳藉皪闆绘(j墨)璧峰埌瑾�(di脿o)閫熶綔鐢�锛岄€欐槸鍥�?y脿n)娈″C(j墨)瀵�(sh铆)闅涗笂鏄竴鍊�(g猫)澶ч浕鎰�锛屽畠鏈夐樆绀欒几鍏ラ浕娴佸拰闆诲绐佽畩鐨勮兘鍔�锛屽洜姝よ剤娌栬几鍏ヤ俊铏�(h脿o)琚钩鍧囧垎閰嶅埌浣滅敤鏅�(sh铆)闁撲笂锛岄€欐ǎ锛屾敼璁婂湪濮嬭兘绔疨E2鍜孭D5涓婅几鍏ユ柟娉㈢殑鍗犵┖姣斿氨鑳芥敼璁婂姞鍦�闆绘(j墨)鍏╃鐨勯浕澹撳ぇ灏忥紝寰炶€屾敼璁婁簡杞�(zhu菐n)閫�銆�

姝ら浕璺腑鐢ㄥ井铏曠悊姗�(j墨)渚嗗(sh铆)鐝�(xi脿n)鑴堝瑾�(di脿o)鍒�锛岄€氬父鐨勬柟娉曟湁鍏╃ó锛�

锛�1锛夌敤杌熶欢鏂瑰紡渚嗗(sh铆)鐝�(xi脿n)锛屽嵆閫氶亷鍩�(zh铆)琛岃粺浠跺欢鏅�(sh铆)寰挵(hu谩n)绋嬪簭浜ゆ浛鏀硅畩绔彛鏌愬€�(g猫)浜岄€�(j矛n)鍒朵綅杓稿嚭閭忚集鐙€鎱�(t脿i)渚嗙敘(ch菐n)鐢熻剤瀵(di脿o)鍒朵俊铏�(h脿o)锛岃ō(sh猫)缃笉鍚岀殑寤舵檪(sh铆)鏅�(sh铆)闁撳緱鍒颁笉鍚岀殑鍗犵┖姣斻€�

锛�2锛夌‖浠跺(sh铆)椹�(y脿n)鑷嫊(d貌ng)鐢�(ch菐n)鐢烶WM淇¤櫉(h脿o)锛屼笉鍗犵敤CPU铏曠悊鐨勬檪(sh铆)闁�銆傞€欏氨瑕佺敤鍒癆TMEGA8515L鐨勫湪PWM妯″紡涓嬬殑瑷�(j矛)鏁�(sh霉)鍣�1锛屽叿楂斿収(n猫i)瀹瑰彲鍙冭€冪浉闂�(gu膩n)鏇哥睄銆�

51鍠墖姗�(j墨)PWM绋嬪簭缍�(j墨ng)鍏�

鐢�(ch菐n)鐢熷叐鍊�(g猫)PWM锛岃姹傚叐鍊�(g猫)PWM娉㈠舰鍗犵┖閮界偤80/256锛屽叐鍊�(g猫)娉㈠舰涔嬮枔瑕侀尟(cu貌)闁嬶紝涓嶈兘鍚屾檪(sh铆)鐐洪珮闆诲钩锛侀珮闆诲钩涔嬮枔鐩稿樊48/256锛孭WM閫欏€�(g猫)鍔熻兘鍦≒IC鍠墖姗�(j墨)涓婂氨鏈�锛屼絾鏄鏋滀綘灏辫鐢�51鍠墖姗�(j墨)鐨勮┍锛屼篃鏄彲浠ョ殑锛屼絾鏄瘮杓冪殑楹荤叐銆�

鍙互鐢ㄥ畾鏅�(sh铆)鍣═0渚嗘帶鍒堕牷鐜�锛屽畾鏅�(sh铆)鍣═1渚嗘帶鍒跺崰绌烘瘮锛氬ぇ鑷寸殑鐨勭法绋嬫€濊矾鏄€欐ǎ鐨勶細T0瀹氭檪(sh铆)鍣ㄤ腑鏂锋槸璁撲竴鍊�(g猫)I0鍙ｈ几鍑洪珮闆诲钩锛屽湪閫欏€�(g猫)瀹氭檪(sh铆)鍣═0鐨勪腑鏂风暥(d膩ng)涓捣鍕�(d貌ng)瀹氭檪(sh铆)鍣═1锛岃€岄€欏€�(g猫)T1鏄畵IO鍙ｈ几鍑轰綆闆诲钩锛岄€欐ǎ鏀硅畩瀹氭檪(sh铆)鍣═0鐨勫垵鍊煎氨鍙互鏀硅畩闋荤巼锛屾敼璁婂畾鏅�(sh铆)鍣═1鐨勫垵鍊煎氨鍙互鏀硅畩鍗犵┖姣�銆�

*绋嬪簭鎬濊矾瑾槑锛�*

**

*闂�(gu膩n)浜庨牷鐜囧拰鍗犵┖姣旂殑纰哄畾锛屽皪浜�12M鏅舵尟锛屽亣瀹歅WM杓稿嚭闋荤巼鐐�1KHZ锛岄€欐ǎ瀹氭檪(sh铆)涓柗娆℃暩(sh霉)*

*瑷�(sh猫)瀹氱偤C=10锛屽嵆0.01MS涓柗涓€娆�锛屽墖TH0=FF锛孴L0=F6;鐢变簬瑷�(sh猫)瀹氫腑鏂锋檪(sh铆)闁撶偤0.01ms锛岄€欐ǎ*

*鍙互瑷�(sh猫)瀹氬崰绌烘瘮鍙緸1-100璁婂寲銆傚嵆0.01ms*100=1ms*

******************************************************************************/#include銆奟EGX51.H銆�

#defineucharunsignedchar

/*****************************************************************************

*TH0鍜孴L0鏄▓(j矛)鏁�(sh霉)鍣�0鐨勯珮8浣嶅拰浣�8浣嶈▓(j矛)鏁�(sh霉)鍣�锛岃▓(j矛)绠楄睛娉曪細TL0=锛�65536-C锛�%256;*

*TH0=锛�65536-C锛�/256锛屽叾涓瑿鐐烘墍瑕佽▓(j矛)鏁�(sh霉)鐨勬鏁�(sh霉)鍗冲闀锋檪(sh铆)闁撶敘(ch菐n)鐢熶竴娆′腑鏂凤紱TMOD鏄▓(j矛)鏁�(sh霉)鍣�**宸ヤ綔妯″紡閬告搰锛�0X01琛ㄧず閬哥敤妯″紡1锛屽畠鏈�16浣嶈▓(j矛)鏁�(sh霉)鍣�锛屾渶澶ц▓(j矛)鏁�(sh霉)鑴堟矕鐐�65536锛屾渶闀锋檪(sh铆)*

*闁撶偤1ms*65536=65.536ms*

******************************************************************************/#defineV_TH00XFF#defineV_TL00XF6#defineV_TMOD0X01

voidinit_sys锛坴oid锛�;/*绯荤当(t菕ng)鍒濆鍖栧嚱鏁�(sh霉)*/voidDelay5Ms锛坴oid锛�;

unsignedcharZKB1锛孼KB2;

voidmain锛坴oid锛�

{

init_sys锛堬級;

ZKB1=40;/*鍗犵┖姣斿垵濮嬪€艰ō(sh猫)瀹�*/ZKB2=70;/*鍗犵┖姣斿垵濮嬪€艰ō(sh猫)瀹�*/while锛�1锛�

{

if锛�锛丳1_1锛�//濡傛灉鎸変簡+閸碉紝澧炲姞鍗犵┖姣�

{

Delay5Ms锛堬級;if锛�锛丳1_1锛�

{

ZKB1++;

ZKB2=100-ZKB1;

}

}

if锛堬紒P1_2锛�//濡傛灉鎸変簡-閸�锛屾笡灏戝崰绌烘瘮

{

Delay5Ms锛堬級;if锛�锛丳1_2锛�

{

ZKB1--;

ZKB2=100-ZKB1;

}

}

/*灏嶅崰绌烘瘮鍊奸檺瀹氳寖鍦�*/if锛圸KB1銆�99锛塟KB1=1;if锛圸KB1銆�1锛塟KB1=99;

}

}

/******************************************************

*鍑芥暩(sh霉)鍔熻兘锛氬皪绯荤当(t菕ng)閫�(j矛n)琛屽垵濮嬪寲锛屽寘鎷畾鏅�(sh铆)鍣ㄥ垵濮嬪寲鍜岃畩閲忓垵濮嬪寲*/voidinit_sys锛坴oid锛�/*绯荤当(t菕ng)鍒濆鍖栧嚱鏁�(sh霉)*/

{

/*瀹氭檪(sh铆)鍣ㄥ垵濮嬪寲*/TMOD=鈥淰鈥漘TMOD;TH0=V_TH0;TL0=V_TL0;TR0=1;ET0=1;EA=鈥�1鈥�;

}

//寤舵檪(sh铆)

voidDelay5Ms锛坴oid锛�

{

unsignedintTempCyc=1000;while锛圱empCyc--锛�;

}

/*涓柗鍑芥暩(sh霉)*/

voidTImer0锛坴oid锛塱nterrupt1using2

{

staTIcucharclick=鈥�0鈥�;/*涓柗娆℃暩(sh霉)瑷�(j矛)鏁�(sh霉)鍣ㄨ畩閲�*/

TH0=V_TH0;/*鎭㈠京(f霉)瀹氭檪(sh铆)鍣ㄥ垵濮嬪€�*/TL0=V_TL0;++click;

if锛坈lick銆�=100锛塩lick=鈥�0鈥�;

if锛坈lick銆�=ZKB1锛�/*鐣�(d膩ng)灏忎簬鍗犵┖姣斿€兼檪(sh铆)杓稿嚭浣庨浕骞筹紝楂樹簬鏅�(sh铆)鏄珮闆诲钩锛屽緸鑰屽(sh铆)鐝�(xi脿n)鍗犵┖姣旂殑瑾�(di脿o)鏁�*/P1_3=0;

else

P1_3=1;

if锛坈lick銆�=ZKB2锛塒1_4=0;else

P1_4=1;

}銆�

1.涓嬮潰鏄疉VR鐨勭▼搴�锛�51鐢�(ch菐n)鐢烶WM娉㈤夯鐓�锛屽彲浠ョ敤AVR銆備富瑕佹槸瑷�(sh猫)缃瓨鏀剧殑TOP鍊硷紙OCR1A鐨勫€硷級锛岀劧鍚庝綘瑕佸澶х殑鍗犵┖姣斿啀瑷�(sh猫)缃甇CR1B鐨勫€�锛岃嚦浜庢寔绾�(x霉)鏅�(sh铆)闁撳氨鏇寸啊鍠簡锛屼綘瑕佺敘(ch菐n)鐢熷涔�锛屽氨瑾�(di脿o)鐢ㄦ鍑芥暩(sh霉)灏卞彲浠ヤ簡銆�

2.鐢�(ch菐n)鐢熸柟娉㈢殑闋荤巼瑷�(j矛)绠楀叕寮忥紙KHZ锛塮=fclk锛堟櫠鎸級/{*N锛�1+OCRNA锛墋N锛氫唬琛ㄥ垎闋诲洜瀛�

鏍规摎(j霉)浣犺鐨勭敘(ch菐n)鐢熸柟娉㈢殑闋荤巼锛屽氨鑳界畻鍑篛CRNA鐨勫€硷紝灏卞彲浠ヤ簡锛�

/***************鍦∣CR1B锛圥D4锛変笂鍙脯鍒�100HZ鐨凱WM娉�***********************/

/***************鍦∣CR1A锛圥D5锛変笂鍙脯鍒�50HZ鐨勬柟娉�************************/

#include銆奿om16v.h銆�

#include銆妋acros.h銆媣oidPWM锛堬級

{

DDRD=0X30;//瑷�(sh猫)缃甇C1B锛圥D4锛夊拰OC1A锛圥D5锛夌偤杓稿嚭TCCR1A=0X63;TCCR1B=0X1B;

OCR1A=7;//寰楀埌10KHZ鐨凱WM娉�

OCR1B=5;//寰楀埌2ms锛�1810/5锛夌殑楂橀浕骞虫檪(sh铆)闁�

}