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您好, tl-notify-ecap-test.zip 中 void ECAPIsr(void* param)程序中: value = value / 156; 其中156是怎么确定的?
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void ECAPIsr(void* param)9 \. f6 w$ Z, ~1 ^" R9 D
{
% n5 [3 Y: p$ m5 E' m unsigned int intFlag;. Z3 l# ~* X& n& {; a
int valueUpdated = 0;
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intFlag = ECAPIntStatus(SOC_ECAP_REGS, ECAP_CNTOVF_INT3 b* b0 E$ {# s
| ECAP_CEVT1_INT
" V/ ]' M8 P. X+ A- R5 d | ECAP_CEVT2_INT" M' a2 J9 g- G: R5 k% [
| ECAP_CEVT3_INT9 n8 o3 G/ d1 X( P
| ECAP_CEVT4_INT);* L( i* ~9 l% p5 s9 j& U
! J$ N+ S; T# Q" g. g" | ECAPIntStatusClear(SOC_ECAP_REGS, intFlag);; A3 A% t' J& t# j3 t
//IntEventClear(SYS_INT_ECAP_CHANNEL);
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if(intFlag & ECAP_CEVT1_INT)
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// value = ECAPTimeStampRead(SOC_ECAP_REGS, ECAP_CAPTURE_EVENT_1);; S* e& c' P! Z6 C, n4 U3 \
// valueUpdated = 1;
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if(intFlag & ECAP_CEVT2_INT)
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/ I3 A! H2 W0 l: `& e4 O value = ECAPTimeStampRead(SOC_ECAP_REGS, ECAP_CAPTURE_EVENT_2);
6 ?% }* {( s6 B& k4 M+ h1 f valueUpdated = 1;* [ M& ?* J+ y9 L7 j
}
' F+ x1 n1 u" S* G k& [# s: } if(intFlag & ECAP_CEVT3_INT)
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( {. s" Y& i% F% I# }// value = ECAPTimeStampRead(SOC_ECAP_REGS, ECAP_CAPTURE_EVENT_3);
8 B/ h5 s2 ~2 S& G% v8 l// valueUpdated = 1;
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if(intFlag & ECAP_CEVT4_INT)# z3 A0 n3 R$ s
{
) u% z$ G# E$ O! j g+ g4 `# d value = ECAPTimeStampRead(SOC_ECAP_REGS, ECAP_CAPTURE_EVENT_4);
5 r+ X# ^5 z& T) C6 g valueUpdated = 1;3 V3 D! {+ S, R0 {$ R
}
- o3 M: }$ m! d, o( z7 J: ~& s4 F if(intFlag & ECAP_CNTOVF_INT)0 p, ^0 o: S, N) r5 b( U
{
' S/ \( u- u7 N1 x2 j ECAPCounterConfig(SOC_ECAP_REGS, 0xffffffff - 228000000);
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- [+ H; h& x2 \" g, V ECAPIntStatusClear(SOC_ECAP_REGS, ECAP_GLOBAL_INT);7 B- a2 E9 b$ ^4 Z8 e3 s
* E4 w- z2 n9 q) W" p7 ?) Q if (valueUpdated)* k. x5 T2 q% M, T( H' h
value = value / 156;# K+ Q8 K1 p- w! J
}
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