arduino编译的时候出现expected ',' or ';' before 'void' Arduino验证错误提示:ino:32:8: error:...
\u5355\u7247\u673aarduino\u7684\u95ee\u9898\uff1aexpected primary-expression before ')' token\u4f60\u7684\u7a0b\u5e8f\u95ee\u9898\u6bd4\u8f83\u591a\uff0c\u5e94\u8be5\u662f\u4e0d\u592a\u719f\u6089\u8f6f\u4ef6\uff0c\u6211\u5148\u8bf4\u51e0\u4e2a\u95ee\u9898\uff1a
1\u3001\u5f00\u5934\u7684\u5b8f\u5b9a\u4e49
#define startVoice;
#define startredsensor;
\u662f\u505a\u4ec0\u4e48\u7528\u7684\uff0c\u4f60\u6ca1\u6709\u5b9a\u4e49\u5b8c\u6210
2\u3001\u4f60\u7684loop\uff08\uff09\u7a0b\u5e8f\u5230\u54ea\u513f\u622a\u81f3\uff0c\u4f60\u5c11\u4e86\u4e24\u4e2a\u62ec\u53f7
3\u3001startVoice()\u7a0b\u5e8f\u7528\u5230\u7684S\u548cIntervalTime\u4e24\u4e2a\u53d8\u91cf\u53ea\u5728loop\uff08\uff09\u5faa\u73af\u4e2d\u58f0\u660e\u8fc7\uff0c\u4f46\u8981\u60f3\u5728\u7a0b\u5e8f\u95f4\u8c03\u7528\uff0c\u53d8\u91cf\u5fc5\u987b\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u4e5f\u5c31\u662f\u8bf4S\u548cIntervalTime\u7684\u5b9a\u4e49\u5fc5\u987b\u653e\u5728setup\uff08\uff09\u524d
4\u3001 if(s<80){startultr();}
if(s>110){startultr();}
\u8fd9\u4e24\u53e5\u91cc\u7684s\u5e94\u8be5\u662f\u4f60\u5199\u9519\u4e86\uff0c\u662fstartultr()\u8fd9\u4e2a\u51fd\u6570\u5c1a\u672a\u7ed9\u51fa
\u4f60\u5148\u628a\u4e0a\u9762\u7684\u95ee\u9898\u6539\u6539\u5427
\u63d0\u793a\u4f60\u8bed\u6cd5\u9519\u8bef\u3002
倒数第三行beforeState = buttonState后面少了个分号。绛旓細Main.cc: In function 'int main()':Main.cc:47: error: redefinition of 'int main()'Main.cc:13: error: 'int main()' previously defined here 浠ヤ笅鏄垜鐨勪唬鐮侊細include<iostream> include<cstring> using namespace std;struct MyStr{ int len;char str[300];};void InitStr(MyStr &s...
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