各位大神,谁能帮我把这段代码写成nodejs版的啊,谢谢啦 - CNode技术社区

/*
 * dht11.c:
 *	Simple test program to test the wiringPi functions
 *	DHT11 test
 */
#include <wiringPi.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define MAXTIMINGS 85
#define DHTPIN 7
int dht11_dat[5] = {0,0,0,0,0};
void read_dht11_dat()
{
 uint8_t laststate = HIGH;
 uint8_t counter = 0;
 uint8_t j = 0, i;
 float f; // fahrenheit
 dht11_dat[0] = dht11_dat[1] = dht11_dat[2] = dht11_dat[3] = dht11_dat[4] = 0;
 // pull pin down for 18 milliseconds
 pinMode(DHTPIN, OUTPUT);
 digitalWrite(DHTPIN, LOW);
 delay(18);
 // then pull it up for 40 microseconds
 digitalWrite(DHTPIN, HIGH);
 delayMicroseconds(40); 
 // prepare to read the pin
 pinMode(DHTPIN, INPUT);
 // detect change and read data
 for ( i=0; i< MAXTIMINGS; i++) {
 counter = 0;
 while (digitalRead(DHTPIN) == laststate) {
 counter++;
 delayMicroseconds(1);
 if (counter == 255) {
 break;
 }
 }
 laststate = digitalRead(DHTPIN);
 if (counter == 255) break;
 // ignore first 3 transitions
 if ((i >= 4) && (i%2 == 0)) {
 // shove each bit into the storage bytes
 dht11_dat[j/8] <<= 1;
 if (counter > 16)
 dht11_dat[j/8] |= 1;
 j++;
 }
 }
 // check we read 40 bits (8bit x 5 ) + verify checksum in the last byte
 // print it out if data is good
 if ((j >= 40) && 
 (dht11_dat[4] == ((dht11_dat[0] + dht11_dat[1] + dht11_dat[2] + dht11_dat[3]) & 0xFF)) ) {
 f = dht11_dat[2] * 9. / 5. + 32;
 printf("Humidity = %d.%d %% Temperature = %d.%d *C (%.1f *F)\n", 
 dht11_dat[0], dht11_dat[1], dht11_dat[2], dht11_dat[3], f);
 }
 else
 {
 printf("Data not good, skip\n");
 }
}
int main (void)
{
 printf ("Raspberry Pi wiringPi DHT11 Temperature test program\n") ;
 if (wiringPiSetup () == -1)
 exit (1) ;
 while (1) 
 {
 read_dht11_dat();
 delay(1000); // wait 1sec to refresh
 }
 return 0 ;
}

外包?

可以参考,帮忙写就太为难了。。 http://blog.whattoc.com/2013/09/08/nodejs_api_addon_4/