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avr鍠墖姗�(j墨)
闁辫畝锛�9633鏅�(sh铆)闁擄細2010-11-03 09:58:03

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銆�銆�1.7 绯荤当(t菕ng)鍫嗘＇

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銆�銆�4 蹇冨緱楂旀渻(hu矛)

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銆�?銆佽磸VRX闇�瑕佸垎閰嶇殑鍫嗘＇鐐�35鍊�(g猫)瀛楃瘈(ji茅)鍔犱笂浠诲嫏(w霉)浠ｇ⒓闇�瑕佺殑椤嶅鍫嗘＇锛屽叿楂旂殑澶у皬鍙栨焙浜庢瘡鍊�(g猫)閫�(j矛n)绋嬬敤鐨勬湰鍦拌畩閲忓��(g猫)鏁�(sh霉)銆傛瘮杓冨ソ鐨勭⒑瀹氬垎閰嶇郸浠诲嫏(w霉)鍫嗘＇澶у皬鐨勬柟娉曟槸锛氬垎閰嶅緢澶х殑鍫嗘＇锛堝70瀛楃瘈(ji茅)锛夐亱(y霉n)琛屼竴娈垫噳(y墨ng)鐢ㄧ▼搴忓悗鐪嬪爢妫у埌澶氭繁锛堝洜?y脿n)闀欳C鍟熷嫊(d貌ng)鏅�(sh铆)鎶婃墍鏈夊収(n猫i)瀛橀兘娓�0浜嗭紝閫欐ǎ寰堝鏄撶湅鍒帮級銆備笉閬庯紝鐐轰簡瀹夊叏璧疯锛岀敤绶ㄨ鍣ㄦ垨浠跨湡鍣ㄥ湪浼拌▓(j矛)鍫嗘＇鐨勯爞绔鍏ュ咕鍊�(g猫)瀛楃瘈(ji茅)鐨�0xFFFFF鍘婚(y脿n)璀夊埌搴曢仈(d谩)鍒颁簡澶氬皯瀛楃瘈(ji茅)锛岀劧鍚庡垎閰嶇郸姣旀脯(c猫)瑭︾祼(ji茅)鏋滃鍏╁��(g猫)浠ヤ笂鐨勫瓧绡�(ji茅)绲﹂�欏��(g猫)浠诲嫏(w霉)銆�

銆�?銆佽箮顣�?d貌ng)鐨勪竴鍊�(g猫)鎸囦护蹇呴爤璺宠綁(zhu菐n)鍒癊pilog锛堬級銆�

銆�銆�5 绲�(ji茅)璜�

銆�銆�AVRX鏄竴鍊�(g猫)涓嶉尟(cu貌)鐨凴TOS锛屾渶椤憲鐨勭壒榛�(di菐n)灏辨槸鍏�(n猫i)鏍稿皬锛岄�熷害蹇�锛岀法璀悗澶ф鍙渶500锝�700瀛楃瘈(ji茅)锛屼笖鍩烘湰鐨勮(di脿o)搴﹀姛鑳戒竴鍊�(g猫)涔熶笉灏�銆傜敱浜庡叾浠ｇ⒓鍏枊锛岀祼(ji茅)鍚堜笉鍚屽瀷铏�(h脿o)AVR鍠墖姗�(j墨)鐨勭壒鎬э紝鍙互鍦ㄦ鍩虹(ch菙)涓婇��(j矛n)琛岀郴绲�(t菕ng)鐨勮娓涘拰鎿�(ku貌)灞�锛屼娇涔嬭兘閬�(d谩)鍒版洿濂界殑鏁堟灉锛屾湰鏂囩偤AVR宓屽叆寮忕郴绲�(t菕ng)鐨勬噳(y墨ng)鐢ㄦ彁渚涗簡鍊熼憭銆�

鎳�(y墨ng)鐢ㄥ崁(q奴)鍩�

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銆�銆�路 绌鸿(di脿o)鎺у埗鏉�

銆�銆�路 鎵撳嵃姗�(j墨)鎺у埗鏉�

銆�銆�路 鏅鸿兘闆昏〃

銆�銆�路 鏅鸿兘鎵嬮浕绛�

銆�銆�路 LED鎺у埗灞�

銆�銆�路 閱�(y墨)鐧傝ō(sh猫)鍌�

銆�銆�路 GPS

鍏ラ杸绯诲垪--MEGA绔彛鎿嶄綔

銆�銆�AVR绔彛鏄湡姝ｇ殑闆欏悜绔彛锛屼笉鍍�51鍋介洐鍚戙�傞�欎篃鏄疉VR鐨勪竴闋�(xi脿ng)鍎�(y艒u)鍕�(sh矛)锛屽彧鏄搷浣滄檪(sh铆)澶у娉ㄦ剰DDRn灏卞彲浠ヤ簡銆傜湡姝ｉ洐鍚戠鍙ｅ湪妯℃摤鏅�(sh铆)搴忔柟闈笉濡傚伣闆欏悜鐨勬柟渚�銆�

銆�銆�DDRn PORTn PINn 瑙ｉ噵锛歯鐐虹鍙ｈ櫉(h脿o)锛欰BCDE

銆�銆�DDRn锛氭帶鍒剁鍙ｆ槸杓稿叆閭勬槸杓稿嚭锛�0鐐鸿几鍏�锛�1鐐鸿几鍑恒�傚��(g猫)浜鸿鎲舵柟娉曪細涓�姣旈浂澶ф墍浠ュ線澶栨摖锛屽嵆1鐐鸿几鍑猴紝0鐐鸿几鍏�銆�

銆�銆�PORTn锛氬緸寮曡叧杓稿嚭淇¤櫉(h脿o)锛岀暥(d膩ng)DDRn鐐�1鏅�(sh铆)锛屽彲浠ラ�氶亷PORTn锛漻绛夌鍙ｆ搷浣滆獮鍙ョ郸寮曡叧杓稿嚭璩﹀��銆�

銆�銆�PINn锛氬緸寮曡叧璁�杓稿叆淇¤櫉(h脿o)锛岀劇璜朌DRn鐐轰綍鍊硷紝閮藉彲浠ラ�氶亷x锛漃INn鐛插緱绔彛n鐨勫閮ㄩ浕骞�銆�

銆�銆�鐣�(d膩ng)寮曡叧閰嶇疆鐐鸿几鍏ユ檪(sh铆)锛岃嫢PORTxn 鐐�"1鈥�锛屼笂鎷夐浕闃诲皣浣胯兘銆傚収(n猫i)閮ㄤ笂鎷夐浕闃荤殑浣跨敤鍦ㄩ嵉鐩ゆ巸鎻忕殑鏅�(sh铆)鍊欓倓瑕佽鍒�銆�

銆�銆�绔彛鏇磋┏绱�(x矛)鍔熻兘鍙婁粙绱逛互鍙婄鍙ｇ浜屽姛鑳借珛(q菒ng)鍙冭�冩暩(sh霉)鎿�(j霉)鎵嬪唺(c猫)銆�

銆�銆�绔彛寮曡叧閰嶇疆

銆�銆�DDxn PORTxn PUD (in SFIOR) I/O 涓婃媺闆婚樆瑾槑

銆�銆�0 0 X 杓稿叆 No 楂橀樆鎱�(t脿i) (Hi-Z)

銆�銆�0 1 0 杓稿叆 Yes琚閮ㄩ浕璺媺浣庢檪(sh铆)灏囪几鍑洪浕娴�

銆�銆�0 1 1 杓稿叆 No楂橀樆鎱�(t脿i)(Hi-Z)

銆�銆�1 0 X 杓稿嚭 No杓稿嚭浣庨浕骞� ( 婕忛浕娴�)

銆�銆�1 1 X 杓稿嚭 No杓稿嚭楂橀浕骞� ( 婧愰浕娴�)

銆�銆�濡傛灉鏈夊紩鑵虫湭琚娇鐢�锛屽缓璀扮郸閫欎簺寮曡叧璩︿簣涓�鍊�(g猫)纰哄畾闆诲钩銆傛渶绨�(ji菐n)鍠殑淇濊瓑鏈敤寮曡叧鍏锋湁纰哄畾闆诲钩鐨勬柟娉曟槸浣胯兘鍏�(n猫i)閮ㄤ笂鎷夐浕闃�銆備絾瑕佹敞鎰忕殑鏄京(f霉)浣嶆檪(sh铆)涓婃媺闆婚樆灏囪绂佺敤銆傚鏋滃京(f霉)浣嶆檪(sh铆)鐨勫姛鑰椾篃鏈夊毚(y谩n)鏍艰姹傚墖寤鸿浣跨敤澶栭儴涓婃媺鎴栦笅鎷夐浕闃�銆備笉鎺ㄨ枽鐩存帴灏囨湭鐢ㄥ紩鑵宠垏VCC 鎴朑ND 閫ｆ帴锛屽洜?y脿n)妾獲妯ｅ彲鑳芥渻(hu矛)鍦ㄥ紩鑵冲伓鐒朵綔鐐鸿几鍑烘檪(sh铆)鍑虹従(xi脿n)娌栨搳闆绘祦銆�

銆�銆�涓嬮潰鎴戝�戜締鐪嬩緥瀛愶細

銆�銆�void port[_]init(void)

銆�銆�{

銆�銆�PORTA = 0x03;

銆�銆�DDRA = 0x03;

銆�銆�PORTB = 0x00;

銆�銆�DDRB = 0x01;

銆�銆�PORTC = 0x00;

銆�銆�DDRC = 0x00;

銆�銆�PORTD = 0x00;

銆�銆�DDRD = 0x00;// 寤鸿璩﹀�肩偤闆�

銆�銆�}

銆�銆�PORTA = 0x03;DDRA = 0x03;閫欏叐鍙ヤ娇PA鍙ｇ殑PA1鍜孭A0铏曚簬杓稿嚭鐙�鎱�(t脿i)锛孭A7鈥擯A2铏曚簬杓稿叆鐙�鎱�(t脿i)銆傞�欓噷鐨�0x03鍗充簩閫�(j矛n)鍒剁殑00000011锛屽緸宸﹀埌鍙冲皪(du矛)鎳�(y墨ng)浜嶱n7--Pn0鍏��(g猫)IO鍙ｃ��

銆�銆�閫氶亷璺戦Μ鐕堢▼搴忎締娣卞叆鐞嗚ВIO鍙ｇ殑鎿嶄綔锛�

銆�銆�CODE:

銆�銆�//ICC-AVR application builder : 2006-11-21 9:20:57

銆�銆�// Target : M32

銆�銆�// Crystal: 7.3728Mhz

銆�銆�#include <iom32v.h>

銆�銆�#include <macros.h>

銆�銆�void [_]delay(unsigned char n) //寤舵檪(sh铆)鍑芥暩(sh霉)瀹氱京

銆�銆�{

銆�銆�unsigned char i,j;

銆�銆�for(;n!=0;n--) //n*10ms

銆�銆�{

銆�銆�for(j=100;j!=0;j--) //100us*100=10ms

銆�銆�{

銆�銆�for(i=147;i!=0;i--) //delay 100us

銆�銆�;

銆�銆�}

銆�銆�}

銆�銆�}

銆�銆�int main(void)

銆�銆�{

銆�銆�unsigned char i,j,k; //

銆�銆�PORTA=0xFF; //PA鍙ｈō(sh猫)鐐鸿几鍑洪珮闆诲钩锛岀噲婊�

銆�銆�DDRA=0xFF; //PA鍙ｈō(sh猫)缃偤杓稿嚭

銆�銆�while(1)

銆�銆�{

銆�銆�i=1;

銆�銆�for (j=0;j<8;j++) //寰挵(hu谩n)8娆�锛屽嵆PA0~~PA7杓祦闁冧寒

銆�銆�{

銆�銆�PORTA=~i; //鍙嶇浉杓稿嚭,浣庨浕骞虫湁鏁�,灏�(du矛)鎳�(y墨ng)鐨勭噲浜�

銆�銆�for (k=0;k<10;k++) [_]delay(100); //寤舵檪(sh铆) 100*10=1绉�锛屽彲鑷瑾�(di脿o)绡�(ji茅) i=i<<1; //宸︾Щ涓�浣�,I鐨勫�煎皣鍚戜笅闈㈢殑鍒楄〃閭ｆǎ璁婂寲

銆�銆�// 0b00000001 PA0

銆�銆�// 0b00000010 PA1

銆�銆�// 0b00000100 PA2

銆�銆�// 0b00001000 PA3

銆�銆�// 0b00010000 PA4

銆�銆�// 0b00100000 PA5

銆�銆�// 0b01000000 PA6

銆�銆�// 0b10000000 PA7

銆�銆�}

銆�銆�}

銆�銆�}[Copy to clipboard]

銆�銆�鍏朵粬IO鍙ｆ搷浣滄寚浠わ細

銆�銆�void main(void)

銆�銆�{

銆�銆�PORTA=0xff;

銆�銆�DDRA=0xff; //杓稿嚭 妯″紡 锛孖O鍙ｄ笂鎷夐浕闃绘湁鏁�锛�1鐐鸿几鍑猴紝0鐐鸿几鍏�銆�

銆�銆�PORTA=0xf0; //绛�

銆�銆�浠ヤ笅涓夋鎸囦护鍙皪(du矛)鎿嶄綔绗﹁櫉(h脿o)鍙抽倞鐨勬暩(sh霉)瀛椾綅鏄竴鐨勪綅鎿嶄綔銆�

銆�銆�PORTA&=~0x70; //娓呴浂 0x70鐐� 01110000 锛屽嵆鎶�*涓変綅娓呴浂锛屽叾浣欐暩(sh霉)浣嶄笉璁�銆�

銆�銆�PORTA|=0x77; //缃竴 0x77鐐� 01110111 锛屽嵆鎶�*210鍏綅娓呴浂锛屽叾浣欐暩(sh霉)浣嶄笉璁�銆�

銆�銆�PORTA^=0x70; //缈昏綁(zhu菐n) 0x70鐐� 01110000锛屽嵆*涓変綅锛屽鏋滄槸闆惰畩鎴�1锛屾槸涓�璁婃垚0銆�

銆�銆�(P & 0x80)==0x80; //鎸変綅鑸� 鍒ゆ柗p鐨勭涓冧綅鏄惁鏄竴,鏄墖鎴愮珛

銆�銆�}

銆�銆�闂�(gu膩n)浜�1<<x鐨勮鏄�锛岀恫(w菐ng)涓婄殑绋嬪簭涓稉(j墨ng)甯告渻(hu矛)鐪嬪埌1<<ADIF椤炰技鐨勮獮鍙ワ紝鏂版墜寰堥洠鐪嬫槑鐧芥槸浠�涔堟剰鎬�锛屾垜閫欓噷绨�(ji菐n)鍠鏄庝竴涓嬶細

銆�銆�ADIF鏄竴鍊�(g猫)瀵勫瓨鍣ㄨ畩閲�锛屽彲浠ュ牚绋辨暩(sh霉)瀛�4锛� 璺熸墜鍐�(c猫)涓殑瀹氱京锛屽寘鍚姱鐗囬牠鏂囦欢鐨勫畾缇╂槸涓�妯ｇ殑銆�

銆�銆�(1<<ADIF) =(1<<4)=0b00010000

銆�銆�ADCSR=(1<<ADIF); //鍙槸ADIF浣� =1,鍏朵粬=0

銆�銆�ADCSR|=(1<<ADIF); //鍙槸ADIF浣� =1,鍏朵粬涓嶈畩

銆�銆�ADCSR&=~(1<<ADIF); //鍙槸ADIF浣� =0,鍏朵粬涓嶈畩

銆�銆�while(ADCSR&(1<<ADIF)) ; //绛夊緟ADIF浣嶇偤0锛屾墠閫�鍑哄惊鐠�(hu谩n)锛屽煼(zh铆)琛屼笅涓�姝�

銆�銆�while(1)

銆�銆�{

銆�銆�while(ADCSR&(1<<ADIF)) ; //绛夊緟ADIF浣嶇偤0锛屾墠閫�鍑哄惊鐠�(hu谩n)锛屽煼(zh铆)琛屼笅涓�姝�

銆�銆�{

銆�銆�绋嬪簭......

銆�銆�}

銆�銆�}

銆�銆�瀵�(sh铆)韪愬嚭鐪熺煡锛氬彧鐪嬮�欐ǎ鐨勮鏄庢槸寰堟灟鐕ョ殑锛屽緸瀵�(sh铆)韪愪腑鍘诲(xu茅)缈�(x铆)鏈�(hu矛)鏄洿濂界殑閫斿緫锛屾妸閫欎簺浠ｇ⒓閮藉鍒板柈鐗囨(j墨)閲�锛屼竴姝ヤ竴姝ヨ(di脿o)瑭﹂亱(y霉n)琛�锛岀湅鐪嬪悇鍊�(g猫)绔彛浠ュ強瀵勫瓨鍣ㄧ殑鏁堟灉锛屼篃閸涚反绋嬪簭瑾�(di脿o)瑭﹁兘鍔�锛屽拰妯傝�屼笉鐐哄憿锛�

缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�162542鍊�(g猫)