add platformio example

waste_watcher_code_platformio_demo/.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

waste_watcher_code_platformio_demo/.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ]
+}

waste_watcher_code_platformio_demo/include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

waste_watcher_code_platformio_demo/lib/NTPClient/.travis.yml

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+language: c
+sudo: false
+before_install:
+  - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
+script:
+  - build_platform esp8266
+notifications:
+  email:
+    on_success: change
+    on_failure: change

waste_watcher_code_platformio_demo/lib/NTPClient/CHANGELOG

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+NTPClient 3.1.0 - 2016.05.31
+
+* Added functions for changing the timeOffset and updateInterval later. Thanks @SirUli
+
+NTPClient 3.0.0 - 2016.04.19
+
+* Constructors now require UDP instance argument, to add support for non-ESP8266 boards
+* Added optional begin API to override default local port
+* Added end API to close UDP socket
+* Changed return type of update and forceUpdate APIs to bool, and return success or failure
+* Change return type of getDay, getHours, getMinutes, and getSeconds to int
+
+Older
+
+* Changes not recorded

waste_watcher_code_platformio_demo/lib/NTPClient/LICENSE

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+MIT License
+
+Copyright © taranais (https://github.com/taranais)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

waste_watcher_code_platformio_demo/lib/NTPClient/NTPClient.cpp

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+/**
+ * The MIT License (MIT)
+ * Copyright (c) 2015 by Fabrice Weinberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "NTPClient.h"
+
+NTPClient::NTPClient(UDP& udp) {
+  this->_udp            = &udp;
+}
+
+NTPClient::NTPClient(UDP& udp, int timeOffset) {
+  this->_udp            = &udp;
+  this->_timeOffset     = timeOffset;
+}
+
+NTPClient::NTPClient(UDP& udp, const char* poolServerName) {
+  this->_udp            = &udp;
+  this->_poolServerName = poolServerName;
+}
+
+NTPClient::NTPClient(UDP& udp, const char* poolServerName, int timeOffset) {
+  this->_udp            = &udp;
+  this->_timeOffset     = timeOffset;
+  this->_poolServerName = poolServerName;
+}
+
+NTPClient::NTPClient(UDP& udp, const char* poolServerName, int timeOffset, unsigned long updateInterval) {
+  this->_udp            = &udp;
+  this->_timeOffset     = timeOffset;
+  this->_poolServerName = poolServerName;
+  this->_updateInterval = updateInterval;
+}
+
+void NTPClient::begin() {
+  this->begin(NTP_DEFAULT_LOCAL_PORT);
+}
+
+void NTPClient::begin(int port) {
+  this->_port = port;
+
+  this->_udp->begin(this->_port);
+
+  this->_udpSetup = true;
+}
+
+bool NTPClient::isValid(byte * ntpPacket)
+{
+	//Perform a few validity checks on the packet
+	if((ntpPacket[0] & 0b11000000) == 0b11000000)		//Check for LI=UNSYNC
+		return false;
+
+	if((ntpPacket[0] & 0b00111000) >> 3 < 0b100)		//Check for Version >= 4
+		return false;
+
+	if((ntpPacket[0] & 0b00000111) != 0b100)			//Check for Mode == Server
+		return false;
+
+	if((ntpPacket[1] < 1) || (ntpPacket[1] > 15))		//Check for valid Stratum
+		return false;
+
+	if(	ntpPacket[16] == 0 && ntpPacket[17] == 0 && 
+		ntpPacket[18] == 0 && ntpPacket[19] == 0 &&
+		ntpPacket[20] == 0 && ntpPacket[21] == 0 &&
+		ntpPacket[22] == 0 && ntpPacket[22] == 0)		//Check for ReferenceTimestamp != 0
+		return false;
+
+	return true;
+}
+
+bool NTPClient::forceUpdate() {
+  #ifdef DEBUG_NTPClient
+    Serial.println("Update from NTP Server");
+  #endif
+  // flush any existing packets
+  while(this->_udp->parsePacket() != 0)
+    this->_udp->flush();
+  this->sendNTPPacket();
+
+  // Wait till data is there or timeout...
+  byte timeout = 0;
+  int cb = 0;
+  do {
+    delay ( 10 );
+    cb = this->_udp->parsePacket();
+
+    if(cb > 0)
+    {
+      this->_udp->read(this->_packetBuffer, NTP_PACKET_SIZE);
+      if(!this->isValid(this->_packetBuffer))
+        cb = 0;
+    }
+
+    if (timeout > 100) return false; // timeout after 1000 ms
+    timeout++;
+  } while (cb == 0);
+
+  this->_lastUpdate = millis() - (10 * (timeout + 1)); // Account for delay in reading the time
+
+  unsigned long highWord = word(this->_packetBuffer[40], this->_packetBuffer[41]);
+  unsigned long lowWord = word(this->_packetBuffer[42], this->_packetBuffer[43]);
+  // combine the four bytes (two words) into a long integer
+  // this is NTP time (seconds since Jan 1 1900):
+  unsigned long secsSince1900 = highWord << 16 | lowWord;
+
+  this->_currentEpoc = secsSince1900 - SEVENZYYEARS;
+
+  return true;
+}
+
+bool NTPClient::update() {
+  if ((millis() - this->_lastUpdate >= this->_updateInterval)     // Update after _updateInterval
+    || this->_lastUpdate == 0) {                                // Update if there was no update yet.
+    if (!this->_udpSetup) this->begin();                         // setup the UDP client if needed
+    return this->forceUpdate();
+  }
+  return true;
+}
+
+unsigned long NTPClient::getEpochTime() {
+  return this->_timeOffset + // User offset
+         this->_currentEpoc + // Epoc returned by the NTP server
+         ((millis() - this->_lastUpdate) / 1000); // Time since last update
+}
+
+int NTPClient::getDay() {
+  return (((this->getEpochTime()  / 86400L) + 4 ) % 7); //0 is Sunday
+}
+int NTPClient::getHours() {
+  return ((this->getEpochTime()  % 86400L) / 3600);
+}
+int NTPClient::getMinutes() {
+  return ((this->getEpochTime() % 3600) / 60);
+}
+int NTPClient::getSeconds() {
+  return (this->getEpochTime() % 60);
+}
+
+String NTPClient::getFormattedTime(unsigned long secs) {
+  unsigned long rawTime = secs ? secs : this->getEpochTime();
+  unsigned long hours = (rawTime % 86400L) / 3600;
+  String hoursStr = hours < 10 ? "0" + String(hours) : String(hours);
+
+  unsigned long minutes = (rawTime % 3600) / 60;
+  String minuteStr = minutes < 10 ? "0" + String(minutes) : String(minutes);
+
+  unsigned long seconds = rawTime % 60;
+  String secondStr = seconds < 10 ? "0" + String(seconds) : String(seconds);
+
+  return hoursStr + ":" + minuteStr + ":" + secondStr;
+}
+
+// Based on https://github.com/PaulStoffregen/Time/blob/master/Time.cpp
+// currently assumes UTC timezone, instead of using this->_timeOffset
+String NTPClient::getFormattedDate(unsigned long secs) {
+  unsigned long rawTime = (secs ? secs : this->getEpochTime()) / 86400L;  // in days
+  unsigned long days = 0, year = 1970;
+  uint8_t month;
+  static const uint8_t monthDays[]={31,28,31,30,31,30,31,31,30,31,30,31};
+
+  while((days += (LEAP_YEAR(year) ? 366 : 365)) <= rawTime)
+    year++;
+  rawTime -= days - (LEAP_YEAR(year) ? 366 : 365); // now it is days in this year, starting at 0
+  days=0;
+  for (month=0; month<12; month++) {
+    uint8_t monthLength;
+    if (month==1) { // february
+      monthLength = LEAP_YEAR(year) ? 29 : 28;
+    } else {
+      monthLength = monthDays[month];
+    }
+    if (rawTime < monthLength) break;
+    rawTime -= monthLength;
+  }
+  String monthStr = ++month < 10 ? "0" + String(month) : String(month); // jan is month 1  
+  String dayStr = ++rawTime < 10 ? "0" + String(rawTime) : String(rawTime); // day of month  
+  return String(year) + "-" + monthStr + "-" + dayStr + "T" + this->getFormattedTime(secs ? secs : 0) + "Z";
+}
+
+void NTPClient::end() {
+  this->_udp->stop();
+
+  this->_udpSetup = false;
+}
+
+void NTPClient::setTimeOffset(int timeOffset) {
+  this->_timeOffset     = timeOffset;
+}
+
+void NTPClient::setUpdateInterval(unsigned long updateInterval) {
+  this->_updateInterval = updateInterval;
+}
+
+void NTPClient::sendNTPPacket() {
+  // set all bytes in the buffer to 0
+  memset(this->_packetBuffer, 0, NTP_PACKET_SIZE);
+  // Initialize values needed to form NTP request
+  // (see URL above for details on the packets)
+  this->_packetBuffer[0] = 0b11100011;   // LI, Version, Mode
+  this->_packetBuffer[1] = 0;     // Stratum, or type of clock
+  this->_packetBuffer[2] = 6;     // Polling Interval
+  this->_packetBuffer[3] = 0xEC;  // Peer Clock Precision
+  // 8 bytes of zero for Root Delay & Root Dispersion
+  this->_packetBuffer[12]  = 0x49;
+  this->_packetBuffer[13]  = 0x4E;
+  this->_packetBuffer[14]  = 0x49;
+  this->_packetBuffer[15]  = 0x52;
+
+  // all NTP fields have been given values, now
+  // you can send a packet requesting a timestamp:
+  this->_udp->beginPacket(this->_poolServerName, 123); //NTP requests are to port 123
+  this->_udp->write(this->_packetBuffer, NTP_PACKET_SIZE);
+  this->_udp->endPacket();
+}
+
+void NTPClient::setEpochTime(unsigned long secs) {
+  this->_currentEpoc = secs;
+}