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MeLineFollowerArray.cpp2 J/ m1 {( M% q+ E
- #include "MeLineFollowerArray.h": i. w; U4 z, L K9 ~; h1 ]
# K$ w3 D4 V. I/ K/ S4 e7 Z* f- #ifdef ME_PORT_DEFINED' X- E+ q( I3 I6 c/ a
- MeLineFollowerArray::MeLineFollowerArray(void) : MePort(0)
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- MeLineFollowerArray::MeLineFollowerArray(uint8_t port) : MePort(port)
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- _DataPin = mePort[port].s2;
0 o# _) c4 R2 y! X9 D8 M - pinMode(_DataPin, OUTPUT); 9 f m F' y D
- digitalWrite(_DataPin, HIGH);6 Q8 R4 {2 A5 t: t1 r
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- #else // ME_PORT_DEFINED1 w/ q, I3 k9 i, h
- MeLineFollowerArray::MeLineFollowerArray(uint8_t pin)# C8 g8 g* }6 A8 J5 c% T4 |
- {
; X. `" D; i( h" o1 ?8 j - _DataPin = pin;3 t1 T: R. O. F% f3 z0 f4 i0 l. Z
- pinMode(_DataPin, OUTPUT);
- n1 `% h) i' X* b4 R# F - digitalWrite(_DataPin, HIGH);
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2 c, J0 K1 {# I, D: w! ` - #endif // ME_PORT_DEFINED
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4 r- B& R4 d$ q6 J2 H% E- void MeLineFollowerArray::setpin(uint8_t pin)
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- _DataPin = pin;
3 h8 i% @! S% {" [' f - pinMode(_DataPin, OUTPUT); - x6 c: O5 H; `; J. R; h4 ?
- digitalWrite(_DataPin, HIGH);
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- #ifdef ME_PORT_DEFINED
' h6 R3 Z( H- k8 C( n7 n. Q - s2 = pin;( e* R, m; M. ^" G5 D0 D) _
- #endif
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1 J6 X* u) F( _ P9 P% e# Y" ^& J1 ~' L- uint8_t MeLineFollowerArray::getValue()2 _0 `, Z7 j5 @$ }
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- uint32_t LOW_level_read_time;1 b r+ A8 Z" h4 G7 b2 W% z' \
- uint32_t HIGH_level_read_time;# A# a9 [% h6 ~; q7 L( |8 r
- uint32_t time_out_flag;' ]/ M: D# G% p$ `) D( F& f
- uint8_t Sensor_Data[3];
- |: x: C4 D0 z R! `- F - static uint8_t old_data = 0xff;2 T' J8 f& C' B3 N
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- pinMode(_DataPin, OUTPUT);
; l. {/ W% c# R- r" p: P - digitalWrite(_DataPin, LOW);
. r c, a0 T) j. r } - delayMicroseconds(980);) \; P, {, x9 b7 j0 [$ X
- digitalWrite(_DataPin, HIGH);
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- pinMode(_DataPin, INPUT_PULLUP);
6 g: Q* z5 u0 q/ z+ G3 j$ { - delayMicroseconds(10);
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' { Z; q6 A$ }- time_out_flag = millis();
) F# S* T- }8 [9 U9 @# B5 U! Q - while(digitalRead(_DataPin) == 1 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) );
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, D: Q1 Z- O$ b8 `/ h- LOW_level_read_time = micros();
8 {& i* p& i$ a - if((millis() - time_out_flag) >= MeLineFollowerArray_Communication_Time_Out) //time out5 n4 W+ {; ?' J' @" ]: f5 L U
- {
. R+ |/ a! C/ A" X; g! ~ - return 0xff;
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- while(digitalRead(_DataPin) == 0 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) );8 z. F8 s! b- G! m0 E9 L# G
6 c* F& b/ r: X0 X( I- HIGH_level_read_time = micros();
; C" X! h) U1 R4 e- I - LOW_level_read_time = micros() - LOW_level_read_time; //read 100us LOW level
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- if((millis() - time_out_flag) >= MeLineFollowerArray_Communication_Time_Out) //time out
3 O0 u2 i( Z( Q' u5 i0 x - {
" t0 _$ s) ?* ?* Q0 r - return 0xff;
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- if( (LOW_level_read_time < 90) && (LOW_level_read_time > 110))
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" ]6 }0 Q* D+ s8 d4 y- P - return 0xff;
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' l9 }$ P' G$ a& a2 i- while(digitalRead(_DataPin) == 1 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) );4 [+ g& U4 e7 a7 M/ _ q. a: u! Y
- LOW_level_read_time = micros();3 K7 o# u2 b4 a6 i
- HIGH_level_read_time = micros() - HIGH_level_read_time; //read 50us HIGH level& M% q1 V j. n! U7 E2 p) Z' Q) l
( r. x) j. i# r, ]8 ?- if((millis() - time_out_flag) >= MeLineFollowerArray_Communication_Time_Out) //time out e6 B% ~3 N; l- C+ w
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- return 0xff;
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1 O7 |: F- S6 {' [4 j5 y- if( (HIGH_level_read_time < 5) && (HIGH_level_read_time > 55))5 u2 N3 w5 h0 D/ L1 ^
- {
9 f6 Y# M; o1 u5 B - return 0xff;. C/ {- I: h$ \
- }
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" \9 B9 I! _4 P3 o+ F! A- for(uint8_t k=0; k<3; k++)' y& u& Y* j' y( G* I2 O5 q+ U- ~
- {
: h% `# v0 d1 ?7 \( q- v# S - Sensor_Data[k] = 0x00;
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- for(uint8_t i=0;i<8;i++)) ]( H" y6 p# R# m6 }. H
- {
9 ?& g" E1 c4 m2 k7 N8 r - while(digitalRead(_DataPin) == 0 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) ); //read 50us LOW level
0 ^& \) \0 O: x5 ^ - HIGH_level_read_time = micros();
5 B* N* G7 R9 a$ ?$ q - LOW_level_read_time = micros() - LOW_level_read_time;/ I" ~+ V5 \9 U6 a/ t3 s8 l+ [
" X5 t+ ^7 g! b' B7 B0 F6 C1 M- if( (LOW_level_read_time < 5) && (LOW_level_read_time > 55) )
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- return 0xff;
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y1 v# C q/ {* e2 y ^) q. c" M- while(digitalRead(_DataPin) == 1 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) );
, y0 P6 L; t S" E+ O - LOW_level_read_time = micros();
: Z/ x; C9 F( d - HIGH_level_read_time = micros() - HIGH_level_read_time; //read HIGH level
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, V1 r7 H1 ~( n! C8 {- if(HIGH_level_read_time > 50 && HIGH_level_read_time < 100) //bit 1& y% K" J0 S0 Y3 }
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- Sensor_Data[k] |= (0x80 >> i);# l& S2 B3 H& }; `" P' H
- }
" x9 F) e3 S- {1 X* j& N; { I - else if(HIGH_level_read_time >= 100)
; O- ?# I* d- M8 k - {
1 y h3 G% E$ w; o - return 0xff;4 c! m( A* j4 u4 }
- }
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5 C+ P I1 T5 b* L) v- if((millis() - time_out_flag) >= MeLineFollowerArray_Communication_Time_Out)
/ Z# D7 K1 E6 v0 y7 j$ [9 B - {
: ?0 ~1 w! o5 [5 V - return 0xff;2 l, o2 E' p' a6 X6 g
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- }
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- while(digitalRead(_DataPin) == 0 && ((millis() - time_out_flag) < MeLineFollowerArray_Communication_Time_Out) ); //read 50us LOW level V. E- r# k5 f- |! i. q
- HIGH_level_read_time = micros();& O- e9 J; e- p0 \$ C9 W* M5 Q
- LOW_level_read_time = micros() - LOW_level_read_time;
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) @" j# c/ K; A: S# t5 A- if( (LOW_level_read_time < 5) && (LOW_level_read_time > 55) )9 o! Z# R+ C+ c& l0 c+ [; ]
- {
/ I- |3 M* t, b' C0 S - return 0xff;6 u2 G; ~- J+ t9 \: F* P
- }
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- pinMode(_DataPin, OUTPUT);
" X4 J3 k( f2 A) b8 s1 s, k - digitalWrite(_DataPin, HIGH);
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- if( (Sensor_Data[2] == (uint8_t)(Sensor_Data[1] - Sensor_Data[0])) && (Sensor_Data[1] == (uint8_t)(~(uint8_t)Sensor_Data[0])))
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8 l, I* |$ s6 J9 z - old_data = Sensor_Data[0];8 H; O, D! ^& V. |# _! o
- return Sensor_Data[0];% i j) ]7 J: B+ z
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- else
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8 j1 s0 Q* }& }: @9 g3 x* N - return old_data;
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$ \3 D+ Q8 v' C- h) Z2 [+ } - }
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複製代碼
' J* ^; Z! p5 }: f9 Y+ r+ s$ x ]MeLineFollowerArray.h
MeLineFollowerArray.h
(731 Bytes, 下載次數: 10, 售價: 100 個銅錢)
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