语音模块语音输入树莓派打印开灯关灯源码

#include <wiringSerial.h>
#include <wiringPi.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main ()
{
    int fd;
    char cmd[128]={'\0'};
    int nread;
    wiringPiSetup();
    fd = serialOpen("/dev/ttyAMA0",9600);
    while(1){
        nread = read (fd, cmd, sizeof(cmd));
        if(strlen(cmd)==0){
                printf("chaoShi\n");
                continue;
        }
        if (strstr(cmd,"open")!=NULL){
            printf("open light\n");
        }
        if(strstr(cmd,"close")!=NULL){
            printf("close light\n");
        }
        memset(cmd,'\0',sizeof(cmd)/sizeof(char));
    }
    return 0;
}