envea CAIRSENS PM Série Notice Technique page 66

END 2 byte
CRC 2 bytes
ETX 1 byte
PARAM = 0x00 => Frame length = 22 x 10 + 25 = 245 bytes.
When the DUST module is not present, the measures PM2.5 and PM10 = NAN.
10.3 Acquisition example for windows in c
#include <stdio.h>
#include <time.h>
#include <stdbool.h>
#include <windows.h>
#include "stdint.h"
#include <windows.h>
const int print_data = 1;
void print_trame(const unsigned char
{
int
for
{
}
}
void* rs_open(const char
{
HANDLE h;
DCB dcb;
h = CreateFileA(name,
if (INVALID_HANDLE_VALUE == h)
ZeroMemory(&dcb, sizeof(dcb));
dcb.DCBlength = sizeof(dcb);
© 2016 Cairpol
0x00
0xFF
0x69
0x0D
0x03
i;
(i = 0; i < nb; i++)
printf(" %02X", Data[i]);
*name)
GENERIC_READ | GENERIC_WRITE,
0, // must be opened with exclusive-access
NULL, // default security attributes
OPEN_EXISTING, // must use OPEN_EXISTING
0, // not overlapped I/O
NULL); // hTemplate must be NULL for comm devices
return 0;
*Data, int nb)
CairSPM sensor 29