Монитор на СБМ19 для zabbix

#include <Ethernet.h>

#define SERIAL_OUT
#define ZABBIXPORT 10051 // Zabbix erver Port
#define ZABBIXMAXLEN 128
#define ZABBIXAGHOST "Ed" // Zabbix item's host name
#define ZABBIXSENDPERIOD 300 // Period in secoonds
#define wdt_on true

#if wdt_on
#include <avr/wdt.h>
#endif

#if defined(WIZ550io_WITH_MACADDRESS) // Use assigned MAC address of WIZ550io
;
#else
byte mac[] = { 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x31 };
#endif

#define MOD A0 /* Управление ВВ ключем */
#define OS A1 /* Напряжение на ВВ части */
#define LED A2 /* Моргалка */
#define LED_TIME 10 /* Время подсветки импульсов */
#define MASSIVE_SIZE 10 /* Размер массива интервалов */
#define FAST_INTERVAL 2000
/* СБМ-19 -- 9000 */
#define SLOW_INTERVAL 9000
#define GM 2 /* Вход импульсов с GM */
#define INT 0 /* Прерывание */
/* Доверительная вероятность
100 - 1 sigma 68.3%
200 - 2 sigma 95.4%
300 - 3 sigma 99.7%
*/
#define SIGMA 300
#define POWER 400 /* Напряжение ВВ */
#define CALIBR 0.5351 /* Вольт на разряд (0.5427) */

int len;
uint8_t res[ZABBIXMAXLEN];
EthernetClient client;
IPAddress server(192, 168, 1, 6); // Zabbix server IP.

long summ1, summ = 0, ms, ms_total = 0, refr, refr2;
volatile long ms_old = 0;
volatile int cnt;
int active;
float data_tmp_f;
String str;

/* Обработчик прерываний от счетчика */
void rst_tm() {
digitalWrite(LED, HIGH);
cnt++;
}

void sendToZabbix(String key, float val) {
str = "";
str = str + "{\"request\":\"sender data\",\"data\":[{\"host\":\"";
str = str + ZABBIXAGHOST;
str = str + "\",\"key\":\"";
str = str + key;
str = str + "\",\"value\":\"";
str = str + val;
str = str + "\"}]}";
len = str.length();
res[0] = 'Z';
res[1] = 'B';
res[2] = 'X';
res[3] = 'D';
res[4] = 0x01;
res[5] = str.length();
res[6] = 0;
res[7] = 0;
res[8] = 0;
res[9] = 0;
res[10] = 0;
res[11] = 0;
res[12] = 0;
str.getBytes(&(res[13]), ZABBIXMAXLEN - 12);
len = len + 13;
#ifdef SERIAL_OUT
for( int i = 0; i < len + 13; i++) {
Serial.print((char)(res[i]));
}
Serial.println();
#endif
if (client.connect(server, ZABBIXPORT)) {
client.write(res, len);
client.stop();
} else {
#ifdef SERIAL_OUT
Serial.println("Not connect. Reset client.");
#endif
client.stop();
}
}

void setup() {
#if wdt_on
wdt_disable();
#endif
Serial.begin(9600);
pinMode(MOD, OUTPUT);
pinMode(LED, OUTPUT);
analogReference(INTERNAL);
pinMode(OS, INPUT);
pinMode(GM, INPUT_PULLUP);
attachInterrupt(INT, rst_tm, FALLING);
ms_total = millis();
#if wdt_on
wdt_enable(WDTO_8S);
#endif
#if defined(WIZ550io_WITH_MACADDRESS) // Use assigned MAC address of WIZ550io
if (Ethernet.begin() == 0) {
#else
if (Ethernet.begin(mac) == 0) {
#endif
#ifdef SERIAL_OUT
Serial.println("Ethernet error.");
#endif
for(;;);
}
}

void loop() {
ms = millis();
if (ms - ms_old > LED_TIME)
digitalWrite(LED, LOW);
if (ms - refr > SLOW_INTERVAL) {
summ = summ + cnt;
cnt = 0;
data_tmp_f = (float) summ / (ms - ms_total) * 1000;
Serial.print("Slow: ");
Serial.print(data_tmp_f);
Serial.print(" cps, acur: ");
Serial.print((float) (SIGMA / sqrt(summ)));
Serial.print(" %, pulses: ");
Serial.println(summ);
refr = millis();
if (SIGMA / sqrt(summ) < 10) {
sendToZabbix("SBM19_CPS", data_tmp_f);
Serial.print("CPS for sigma: ");
Serial.print((float) (SIGMA / sqrt(summ)));
Serial.print(" % : ");
Serial.println(data_tmp_f);
ms_total = ms;
summ = 0;
}
}

if (ms - refr2 > FAST_INTERVAL) {
Serial.print(" Power: ");
Serial.print((float) analogRead(OS) * CALIBR);
Serial.print(" V, active: ");
Serial.print(active);
Serial.println(" pulses/s");
active = 0;
refr2 = millis();

#if wdt_on
wdt_reset();
#endif
}

/* Упрравление ВВ частью */
if (analogRead(OS) < POWER / CALIBR) {
active++;
digitalWrite(MOD, HIGH);
digitalWrite(MOD, LOW);
}
}