chaeplin

https://github.com/esp8266/Arduino/blob/342c4ae6fb847bfc787f80b89a2bb888d942dc32/libraries/ESP8266WiFi/src/include/UdpContext.h#L308

private:

    void _reserve(size_t size)
    {
        const size_t pbuf_unit_size = 512;
        if (!_tx_buf_head)
        {
            _tx_buf_head = pbuf_alloc(PBUF_TRANSPORT, pbuf_unit_size, PBUF_RAM);

chaeplin

#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include "/usr/local/src/ap_setting.h"

// Update these with values suitable for your network.


char* topic   = "/30/Status/MQTT";
char* subtopic = "inTopic";

chaeplin

#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include "/usr/local/src/ap_setting.h"

// Update these with values suitable for your network.

/*
char* topic   = "/30/Status/MQTT";
char* subtopic = "inTopic";

chaeplin

int sampleI;
int Number_of_Samples;
int sumI;

void setup()
{  
  Serial.begin(115200);
  sampleI = 0;
  sumI    = 0;
  Number_of_Samples = 1000;

chaeplin

int testpin1 = 5;

void setup() {
  pinMode(testpin1, OUTPUT);
}

void loop() {
  Serial.begin(115200);
  digitalWrite(testpin1, LOW);
  delay(2000);

chaeplin

#include <SPI.h>

#include "nRF24L01.h"

#include "RF24.h"

int senderId;

// Set up nRF24L01 radio on SPI bus plus pins 9 & 10
//Contacts from the radio to connect NRF24L01 pinamnam -> Arduino

chaeplin

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

#define DEVICE_ID 2
#define CHANNEL 1 //MAX 127
RF24 radio(15, 15);                // Set up nRF24L01 radio on SPI bus plus pins 7 & 8

// Topology
const uint64_t pipes[2] = { 0xFFFFFFFFFFLL, 0xCCCCCCCCCCLL };

chaeplin

/*
  WPA2-ENT EAP-TLS
  based on joostd's code : https://github.com/joostd/esp8266-eduroam
  https://github.com/joostd/esp8266-eduroam/blob/master/gen_cert.sh


  wifi_station_set_cert_key
  Function: Set certificate and private key for connecting to WPA2-ENTERPRISE AP.
  Note:
  • Connecting to WPA2-ENTERPRISE AP needs more than 26 KB memory, please ensure enough space (system_get_free_heap_size). 

chaeplin

#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <PubSubClient.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>

#include "/usr/local/src/ap_setting.h"

#define DEBUG_PRINT 1

chaeplin

/*
  system_rtc_mem_write
  Function:
  During deep sleep, only RTC still working, so maybe we need to save some user data in RTC memory.
  Only user data area can be used by user.
  |<--------system data--------->|<-----------------user data--------------->|
  | 256 bytes                    | 512 bytes                                 |

  Note:
  RTC memory is 4 bytes aligned for read and write operations. Parameter des_addr means block number(4 bytes per block).