update tsl2561 code, update delay time to 400ms

Guo Wenxue

2019-07-05 6d7b28e6a7836988247c188f4284861fe33410ae

 modules/c/ds18b20.c

@@ -116,5 +116,7 @@
    /* convert string value to float value */
    *temp = atof(ptr)/1000;
   
    close(fd);

    return 0;
}