const uint32_t APP_ID = 0x1234abcd;
const uint8_t CHANNEL = 13;
const char APP_FOURCHAR[] = "BAT1";

void setup() {
	/*** SETUP section */
	tx_busy = false;

	// the twelite main class
	the_twelite
		<< TWENET::appid(APP_ID)    // set application ID (identify network group)
		<< TWENET::channel(CHANNEL) // set channel (pysical channel)
		<< TWENET::rx_when_idle();  // open receive circuit (if not set, it can't listen packts from others)

	// Register Network
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
	nwk	<< NWK_SIMPLE::logical_id(0xFE); // set Logical ID. (0xFE means a child device with no ID)

	/*** BEGIN section */
	Buttons.begin(pack_bits(PIN_BTN), 5, 10); // check every 10ms, a change is reported by 5 consequent values.

	the_twelite.begin(); // start twelite!

	/*** INIT message */
	Serial << "--- Scratch act ---" << mwx::crlf;
}

the_twelite.begin(); // start twelite!

void begin() {
	Serial << "..begin (run once at boot)" << mwx::crlf;
}

if (Buttons.available()) {
	uint32_t bm, cm;
	Buttons.read(bm, cm);

	if (cm & 0x80000000) {
		// the first capture.
	}

	Serial << int(millis()) << ":BTN" << format("%b") << mwx::crlf;
}

while(Serial.available()) {
  int c = Serial.read();

	Serial << '[' << char(c) << ']';

  switch(c) {
  case 'p': ... // millis() を表示
  case 't': ... // 無線パケットを送信 (vTransmit)
        if (!tx_busy) {
					tx_busy = Transmit();
					if (tx_busy) {
						Serial  << int(millis()) << ":tx request success! (" 
										<< int(tx_busy.get_value()) << ')' << mwx::crlf;
 					} else {
						Serial << int(millis()) << ":tx request failed" << mwx::crlf;;
					}
				}
  case 's': ... // スリープする
				Serial << int(millis()) << ":sleeping for " << 5000 << "ms" << mwx::crlf << mwx::flush;
				the_twelite.sleep(5000);
				break;
  }
}

the_twelite.sleep(5000);

void wakeup() {
	Serial << int(millis()) << ":wake up!" << mwx::crlf;
}

MWX_APIRET Transmit() {
	Serial << int(millis()) << ":Transmit()" << mwx::crlf;

	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {
		// set tx packet behavior
		pkt << tx_addr(0xFF)  // 同報通信＝ブロードキャスト
			<< tx_retry(0x1)    // 再送１回
			<< tx_packet_delay(100,200,20); // 送信時遅延100-200msの間に送信、再送間隔20ms

		// 送信データの指定（アプリケーションごとに決める）
		pack_bytes(pkt.get_payload()
			, make_pair("SCRT", 4) // ４文字識別子
			, uint32_t(millis())   // タイムスタンプ
		);
		
		// 送信要求を行う
		return pkt.transmit(); 
	} else {
		// .prepare_tx_packet() 時点で失敗している(送信キューが一杯)
		Serial << "TX QUEUE is FULL" << mwx::crlf;
	  return MWX_APIRET(false, 0);
	}
}

void on_tx_comp(mwx::packet_ev_tx& ev, bool_t &b_handled) {
	Serial 	<< int(millis()) << ":tx completed!"
			<< format("(id=%d, stat=%d)", ev.u8CbId, ev.bStatus) << mwx::crlf;
	tx_busy = false; // clear tx busy flag.
}

void on_rx_packet(packet_rx& rx, bool_t &handled) {
	Serial << format("rx from %08x/%d", 
					rx.get_addr_src_long(), rx.get_addr_src_lid()) << mwx::crlf;
}

#include <TWELITE>
#include <NWK_SIMPLE>
#include <SM_SIMPLE>

#include "Common.h"

enum class STATE {
    INIT = 0,    // INIT STATE
    WORK_JOB,    // do some job (e.g sensor capture)
    TX,          // reuest transmit
    WAIT_TX,     // wait its completion
    EXIT_NORMAL, // normal exiting.
    EXIT_FATAL   // has a fatal error (will do system reset)
};

SM_SIMPLE<STATE> step;

struct {
	uint16_t dummy_work_ct_now;
	uint16_t dummy_work_ct_max;  // counter for dummy work job. 
} sensor;

void setup() {
	/*** SETUP section */
	step.setup(); // init state machine
	
	// the twelite main class
	the_twelite
		<< TWENET::appid(APP_ID)    // set application ID (identify network group)
		<< TWENET::channel(CHANNEL) // set channel (pysical channel)
		<< TWENET::rx_when_idle(false);  // open receive circuit (if not set, it can't listen packts from others)

	// Register Network
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
	nwk	<< NWK_SIMPLE::logical_id(DEVICE_ID); // set Logical ID. 

	/*** BEGIN section */
	the_twelite.begin(); // start twelite!

	/*** INIT message */
	Serial << "--- Sleep an Tx Act ---" << crlf;
}

the_twelite.begin(); // start twelite!

void begin() {
	Serial << "..begin (run once at boot)" << crlf;
	SleepNow();
}

void wakeup() {
　memset(&sensor, 0, sizeof(sensor));
	Serial << crlf << int(millis()) << ":wake up!" << crlf;
}

void loop() {
	do {
		switch(step.state()) {
		case STATE::INIT:
			sensor.dummy_work_ct_now = 0;
			sensor.dummy_work_ct_max = random(10,1000);
			step.next(STATE::WORK_JOB);
		break;

		...
		}
	} while (step.b_more_loop());
}

sensor.dummy_work_ct_now = 0;
sensor.dummy_work_ct_max = random(10,1000);

step.next(STATE::WORK_JOB);

if (TickTimer.available()) {
	Serial << '.';
	sensor.dummy_work_ct_now++;
	if (sensor.dummy_work_ct_now >= sensor.dummy_work_ct_max) {
		Serial << crlf;
		step.next(STATE::TX);
	}
}

if (Transmit()) {
	Serial << int(millis()) << ":tx request success!" << crlf;
	step.set_timeout(100);
	step.clear_flag();
	step.next(STATE::WAIT_TX);
} else {
	// normall it should not be here.
	Serial << int(millis()) << "!FATAL: tx request failed." << crlf;
	step.next(STATE::EXIT_FATAL);
}

if (step.is_flag_ready()) {
	Serial << int(millis()) << ":tx completed!" << crlf;
	step.next(STATE::EXIT_NORMAL);
} else if (step.is_timeout()) {
	Serial << int(millis()) << "!FATAL: tx timeout." << crlf;
	step.next(STATE::EXIT_FATAL);
}

SleepNow();

Serial << crlf << "!FATAL: RESET THE SYSTEM.";
delay(1000); // wait a while.
the_twelite.reset_system();

void SleepNow() {
	uint16_t u16dur = SLEEP_DUR;
	u16dur = random(SLEEP_DUR - SLEEP_DUR_TERMOR, SLEEP_DUR + SLEEP_DUR_TERMOR);

	Serial << int(millis()) << ":sleeping for " << int(u16dur) << "ms" << crlf;
	Serial.flush();

	step.on_sleep(); // reset status of statemachine to INIT state.

	the_twelite.sleep(u16dur, false);
}

MWX_APIRET vTransmit() {
	Serial << int(millis()) << ":vTransmit()" << crlf;

	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {
		// set tx packet behavior
		pkt << tx_addr(0x00)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
			<< tx_retry(0x1) // set retry (0x3 send four times in total)
			<< tx_packet_delay(0,0,2); // send packet w/ delay (send first packet with randomized delay from 0 to 0ms, repeat every 2ms)

		// prepare packet payload
		pack_bytes(pkt.get_payload() // set payload data objects.
			, make_pair(FOURCC, 4) // string should be paired with length explicitly.
			, uint32_t(millis()) // put timestamp here.
			, uint16_t(sensor.dummy_work_ct_now) // put dummy sensor information.
		);
		
		// do transmit 
		//return nwksmpl.transmit(pkt);
		return pkt.transmit(); 
	}

	return MWX_APIRET(false, 0);
}

if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {

pkt << tx_addr(0x00) // 宛先
		<< tx_retry(0x1) // 再送回数
		<< tx_packet_delay(0,0,2); // 送信遅延

pack_bytes(pkt.get_payload() // set payload data objects.
	, make_pair(FOURCC, 4) // string should be paired with length explicitly.
	, uint32_t(millis()) // put timestamp here.
	, uint16_t(sensor.dummy_work_ct_now) // put dummy sensor information.
);	

return pkt.transmit(); 

void on_tx_comp(mwx::packet_ev_tx& ev, bool_t &b_handled) {
	step.set_flag(ev.bStatus);
}

// use twelite mwx c++ template library
#include <TWELITE>
#include <MONOSTICK>
#include <NWK_SIMPLE>
#include <STG_STD>

// application ID
const uint32_t DEFAULT_APP_ID = 0x1234abcd;
// channel
const uint8_t DEFAULT_CHANNEL = 13;
// option bits
uint32_t OPT_BITS = 0;

/*** function prototype */
bool analyze_payload(packet_rx& rx);

auto&& brd = the_twelite.board.use<MONOSTICK>();
auto&& set = the_twelite.settings.use<STG_STD>();
auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();

set << SETTINGS::appname("PARENT"); // 設定画面中のタイトル
set << SETTINGS::appid_default(DEFAULT_APP_ID); // アプリケーションIDデフォルト
set << SETTINGS::ch_default(DEFAULT_CHANNEL); // チャネルデフォルト
set << SETTINGS::lid_default(0x00); // LIDデフォルト
set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);
set.reload(); // 設定を不揮発性メモリから読み出す
OPT_BITS = set.u32opt1(); // 読み込み例（オプションビット）

the_twelite
	<< set                    // インタラクティブモードの設定を反映
	<< TWENET::rx_when_idle() // 受信するように指定
	;

// Register Network
nwk << set;							// インタラクティブモードの設定を反映
nwk << NWK_SIMPLE::logical_id(0x00) // LIDだけは再設定
	;

brd.set_led_red(LED_TIMER::ON_RX, 200); // RED (on receiving)
brd.set_led_yellow(LED_TIMER::BLINK, 500); // YELLOW (blinking)

the_twelite.begin(); // start twelite!

void loop() {
}

void on_rx_packet(packet_rx& rx, bool_t &handled) {  
	Serial << ".. coming packet (" << int(millis()&0xffff) << ')' << mwx::crlf;

  ...
  
	// packet analyze
	analyze_payload(rx);
}

bool b_handled = false;

uint8_t fourchars[4]{};
auto&& np = expand_bytes(
	    rx.get_payload().begin(), rx.get_payload().end()
		, fourchars
    );
    
if (np == nullptr) return;

// display fourchars at first
Serial
	<< fourchars 
	<< format("(ID=%d/LQ=%d)", rx.get_addr_src_lid(), rx.get_lqi())
	<< "-> ";
	

// Slp_Wk_and_Tx
if (!b_handled && !strncmp(fourchars, "TXSP", 4)) {
	b_handled = true;
	uint32_t tick_ms;
	uint16_t u16work_ct;

	np = expand_bytes(np, rx.get_payload().end()
		, tick_ms
		, u16work_ct
	);

	if (np != nullptr) {
		Serial << format("Tick=%d WkCt=%d", tick_ms, u16work_ct);
	} else {
		Serial << ".. error ..";
	}
}

smplbuf_u8<128> buf;
mwx::pack_bytes(buf
	, uint8_t(rx.get_addr_src_lid())		   // 送信元の論理ID
	, uint8_t(0xCC)											   // 0xCC
	, uint8_t(rx.get_psRxDataApp()->u8Seq) // パケットのシーケンス番号
	, uint32_t(rx.get_addr_src_long())		 // 送信元のシリアル番号
	, uint32_t(rx.get_addr_dst())			     // 宛先アドレス
	, uint8_t(rx.get_lqi())					       // LQI:受信品質
	, uint16_t(rx.get_length())				     // 以降のバイト数
	, rx.get_payload() 						         // データペイロード
);

serparser_attach pout;
pout.begin(PARSER::ASCII, buf.begin(), buf.size(), buf.size());

Serial << "FMT PACKET -> ";
pout >> Serial;
Serial << mwx::flush;

serparser_attach pout;
pout.begin(PARSER::ASCII, rx.get_psRxDataApp()->auData, 
    rx.get_psRxDataApp()->u8Len, rx.get_psRxDataApp()->u8Len);

Serial << "RAW PACKET -> ";
pout >> Serial;
Serial << mwx::flush;

// 参考：制御部のパケット構造
// uint8_t  : 0x01 固定
// uint8_t  : 送信元のLID
// uint32_t : 送信元のロングアドレス(シリアル番号)
// uint32_t : 宛先アドレス
// uint8_t  : 中継回数

// use twelite mwx c++ template library
#include <TWELITE>
#include <NWK_SIMPLE>

// application ID
const uint32_t APP_ID = 0x1234abcd;

// channel
const uint8_t CHANNEL = 13;

// DIO pins
const uint8_t PIN_BTN = 12;

/*** function prototype */
void vTransmit(const char* msg, uint32_t addr);

/*** application defs */
// packet message
const int MSG_LEN = 4;
const char MSG_PING[] = "PING";
const char MSG_PONG[] = "PONG";

void setup() {
	/*** SETUP section */
	Buttons.setup(5); // init button manager with 5 history table.
	Analogue.setup(true, 50); // setup analogue read (check every 50ms)

	// the twelite main class
	the_twelite
		<< TWENET::appid(APP_ID)    // set application ID (identify network group)
		<< TWENET::channel(CHANNEL) // set channel (pysical channel)
		<< TWENET::rx_when_idle();  // open receive circuit (if not set, it can't listen packts from others)

	// Register Network
	auto&& nwksmpl = the_twelite.network.use<NWK_SIMPLE>();
	nwksmpl << NWK_SIMPLE::logical_id(0xFE) // set Logical ID. (0xFE means a child device with no ID)
	        << NWK_SIMPLE::repeat_max(3);   // can repeat a packet up to three times. (being kind of a router)

	/*** BEGIN section */
	Buttons.begin(pack_bits(PIN_BTN), 5, 10); // check every 10ms, a change is reported by 5 consequent values.
	Analogue.begin(pack_bits(PIN_ANALOGUE::A1, PIN_ANALOGUE::VCC)); // _start continuous adc capture.

	the_twelite.begin(); // start twelite!

	/*** INIT message */
	Serial << "--- PingPong sample (press 't' to transmit) ---" << mwx::crlf;
}

	// the twelite main class
	the_twelite
		<< TWENET::appid(APP_ID)    // set application ID (identify network group)
		<< TWENET::channel(CHANNEL) // set channel (pysical channel)
		<< TWENET::rx_when_idle();  // open receive circuit (if not set, it can't listen packts from others)

auto&& nwksmpl = the_twelite.network.use<NWK_SIMPLE>();
nwksmpl << NWK_SIMPLE::logical_id(0xFE);
        << NWK_SIMPLE::repeat_max(3);

the_twelite.begin(); // start twelite!

Analogue.setup(true);

Analogue.begin(pack_bits(PIN_ANALOGUE::A1, PIN_ANALOGUE::VCC), 50); 

Buttons.setup(5);

Buttons.begin(pack_bits(PIN_BTN),
					5, 		// history count
					10);  	// tick delta

Serial << "--- PingPong sample (press 't' to transmit) ---" << mwx::crlf;

void loop() {
	  // read from serial
		while(Serial.available())  {
				int c = Serial.read();
				Serial << mwx::crlf << char(c) << ':';
				switch(c) {
				    case 't':
				    	  vTransmit(MSG_PING, 0xFF);
				        break;
				    default:
							  break;
				}
		}


	// Button press
	if (Buttons.available()) {
		uint32_t btn_state, change_mask;
		Buttons.read(btn_state, change_mask);

		// Serial << fmt("<BTN %b:%b>", btn_state, change_mask);
		if (!(change_mask & 0x80000000) && (btn_state && (1UL << PIN_BTN))) {
			// PIN_BTN pressed
			vTransmit(MSG_PING, 0xFF);
		}
	}
}

		while(Serial.available())  {
				int c = Serial.read();
				Serial << mwx::crlf << char(c) << ':';
				switch(c) {
				    case 't':
				    	  vTransmit(MSG_PING, 0xFF);
				        break;
				    default:
							  break;
				}
		}

	if (Buttons.available()) {
		uint32_t btn_state, change_mask;
		Buttons.read(btn_state, change_mask);

// Serial << fmt("<BTN %b:%b>", btn_state, change_mask);
if (!(change_mask & 0x80000000) && (btn_state && (1UL << PIN_BTN))) {
	// PIN_BTN pressed
	vTransmit(MSG_PING, 0xFF);

void vTransmit(const char* msg, uint32_t addr) {
	Serial << "vTransmit()" << mwx::crlf;

	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {
		// set tx packet behavior
		pkt << tx_addr(addr)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
			<< tx_retry(0x3) // set retry (0x3 send four times in total)
			<< tx_packet_delay(100,200,20); // send packet w/ delay (send first packet with randomized delay from 100 to 200ms, repeat every 20ms)

		// prepare packet payload
		pack_bytes(pkt.get_payload() // set payload data objects.
			, make_pair(msg, MSG_LEN) // string should be paired with length explicitly.
			, uint16_t(analogRead(PIN_ANALOGUE::A1)) // possible numerical values types are uint8_t, uint16_t, uint32_t. (do not put other types)
			, uint16_t(analogRead_mv(PIN_ANALOGUE::VCC)) // A1 and VCC values (note: alalog read is valid after the first (Analogue.available() == true).)
			, uint32_t(millis()) // put timestamp here.
		);
	
		// do transmit 
		pkt.transmit();
	}
}

	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {

		pkt << tx_addr(addr)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
			<< tx_retry(0x3) // set retry (0x3 send four times in total)
			<< tx_packet_delay(100,200,20); // send packet w/ delay (send first packet with randomized delay from 100 to 200ms, repeat every 20ms)

# 先頭バイトのインデックス: データ型 : バイト数 : 内容

00: uint8_t[4] : 4 : ４文字識別子
08: uint16_t   : 2 : AI1のADC値 (0..1023)
06: uint16_t   : 2 : Vccの電圧値 (2000..3600)
10: uint32_t   : 4 : millis()システム時間

// prepare packet payload
pack_bytes(pkt.get_payload() // set payload data objects.
	, make_pair(msg, MSG_LEN) // string should be paired with length explicitly.
	, uint16_t(analogRead(PIN_ANALOGUE::A1)) // possible numerical values types are uint8_t, uint16_t, uint32_t. (do not put other types)
	, uint16_t(analogRead_mv(PIN_ANALOGUE::VCC)) // A1 and VCC values (note: alalog read is valid after the first (Analogue.available() == true).)
	, uint32_t(millis()) // put timestamp here.
);

pkt.transmit();

void on_rx_packet(packet_rx& rx, bool_t &handled) {
		uint8_t msg[MSG_LEN];
		uint16_t adcval, volt;
		uint32_t timestamp;

		// expand packet payload (shall match with sent packet data structure, see pack_bytes())
		expand_bytes(rx.get_payload().begin(), rx.get_payload().end()
					, msg       // 4bytes of msg
											//   also can be -> std::make_pair(&msg[0], MSG_LEN)
					, adcval    // 2bytes, A1 value [0..1023]
				  , volt      // 2bytes, Module VCC[mV]
					, timestamp // 4bytes of timestamp
        );
		
		// if PING packet, respond pong!
    if (!strncmp((const char*)msg, "PING", MSG_LEN)) {
				// transmit a PONG packet with specifying the address.
        vTransmit(MSG_PONG, rx.get_psRxDataApp()->u32SrcAddr);
    }

		// display the packet
		Serial << format("<RX ad=%x/lq=%d/ln=%d/sq=%d:" // note: up to 4 args!
                    , rx.get_psRxDataApp()->u32SrcAddr
                    , rx.get_lqi()
                    , rx.get_length()
					, rx.get_psRxDataApp()->u8Seq
                    )
				<< format(" %s AD=%d V=%d TS=%dms>" // note: up to 4 args!
					, msg
					, adcval
					, volt
					, timestamp
					)
               << mwx::crlf
			   << mwx::flush;
	}

while (the_twelite.receiver.available()) {
		auto&& rx = the_twelite.receiver.read();

Serial << format("..receive(%08x/%d) : ",
   rx.get_addr_src_long(), rx.get_addr_src_lid());

uint8_t msg[MSG_LEN];
uint16_t adcval, volt;
uint32_t timestamp;

// expand packet payload (shall match with sent packet data structure, see pack_bytes())
expand_bytes(rx.get_payload().begin(), rx.get_payload().end()
		, msg       // 4bytes of msg
								//   also can be -> std::make_pair(&msg[0], MSG_LEN)
		, adcval    // 2bytes, A1 value [0..1023]
	  , volt      // 2bytes, Module VCC[mV]
		, timestamp // 4bytes of timestamp
    );

if (!strncmp((const char*)msg, "PING", MSG_LEN)) {
    vTransmit(MSG_PONG, rx.get_psRxDataApp()->u32SrcAddr);
}

		Serial << format("<RX ad=%x/lq=%d/ln=%d/sq=%d:" // note: up to 4 args!
                    , rx.get_psRxDataApp()->u32SrcAddr
                    , rx.get_lqi()
                    , rx.get_length()
										, rx.get_psRxDataApp()->u8Seq
                    )
           << format(" %s AD=%d V=%d TS=%dms>" // note: up to 4 args!
                    , msg
                    , adcval
                    , volt
                    , timestamp
                    )
         << mwx::crlf
			   << mwx::flush;

// use twelite mwx c++ template library
#include <TWELITE>
#include <NWK_SIMPLE>
#include <BRD_APPTWELITE>
#include <STG_STD>

/*** Config part */
// application ID
const uint32_t DEFAULT_APP_ID = 0x1234abcd;
// channel
const uint8_t DEFAULT_CHANNEL = 13;
// option bits
uint32_t OPT_BITS = 0;
// logical id
uint8_t LID = 0;

/*** function prototype */
MWX_APIRET transmit();
void receive();

/*** application defs */
const char APP_FOURCHAR[] = "BAT1";

// sensor values
uint16_t au16AI[5];
uint8_t u8DI_BM;

void setup() {
	/*** SETUP section */	
	// init vars
	for(auto&& x : au16AI) x = 0xFFFF;
	u8DI_BM = 0xFF;

	// load board and settings
	auto&& set = the_twelite.settings.use<STG_STD>();
	auto&& brd = the_twelite.board.use<BRD_APPTWELITE>();
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();

	// settings: configure items
	set << SETTINGS::appname("BRD_APPTWELITE");
	set << SETTINGS::appid_default(DEFAULT_APP_ID); // set default appID
	set << SETTINGS::ch_default(DEFAULT_CHANNEL); // set default channel
	set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);
	set.reload(); // load from EEPROM.
	OPT_BITS = set.u32opt1(); // this value is not used in this example.
	LID = set.u8devid(); // logical ID

	// the twelite main class
	the_twelite
		<< set                      // apply settings (appid, ch, power)
		<< TWENET::rx_when_idle();  // open receive circuit (if not set, it can't listen packts from others)

	if (brd.get_M1()) { LID = 0; }

	// Register Network
	nwk << set // apply settings (LID and retry)
			;

	// if M1 pin is set, force parent device (LID=0)
	nwk << NWK_SIMPLE::logical_id(LID); // write logical id again.
	
	/*** BEGIN section */
	// start ADC capture
	Analogue.setup(true, ANALOGUE::KICK_BY_TIMER0); // setup analogue read (check every 16ms)
	Analogue.begin(pack_bits(
						BRD_APPTWELITE::PIN_AI1,
						BRD_APPTWELITE::PIN_AI2,
						BRD_APPTWELITE::PIN_AI3,
						BRD_APPTWELITE::PIN_AI4,
				   		PIN_ANALOGUE::VCC)); // _start continuous adc capture.

	// Timer setup
	Timer0.begin(32, true); // 32hz timer

	// start button check
	Buttons.setup(5); // init button manager with 5 history table.
	Buttons.begin(pack_bits(
						BRD_APPTWELITE::PIN_DI1,
						BRD_APPTWELITE::PIN_DI2,
						BRD_APPTWELITE::PIN_DI3,
						BRD_APPTWELITE::PIN_DI4),
					5, 		// history count
					4);  	// tick delta (change is detected by 5*4=20ms consequtive same values)	


	the_twelite.begin(); // start twelite!

	/*** INIT message */
	Serial 	<< "--- BRD_APPTWELITE ---" << mwx::crlf;
	Serial	<< format("-- app:x%08x/ch:%d/lid:%d"
					, the_twelite.get_appid()
					, the_twelite.get_channel()
					, nwk.get_config().u8Lid
				)
			<< mwx::crlf;
	Serial 	<< format("-- pw:%d/retry:%d/opt:x%08x"
					, the_twelite.get_tx_power()
					, nwk.get_config().u8RetryDefault
					, OPT_BITS
			)
			<< mwx::crlf;
}

	auto&& set = the_twelite.settings.use<STG_STD>();
	auto&& brd = the_twelite.board.use<BRD_APPTWELITE>();
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();

// インタラクティブモードの初期化
auto&& set = the_twelite.settings.use<STG_STD>();

set << SETTINGS::appname("BRD_APPTWELITE");
set << SETTINGS::appid_default(DEFAULT_APP_ID); // set default appID
set << SETTINGS::ch_default(DEFAULT_CHANNEL); // set default channel
set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);
set.reload(); // load from EEPROM.
OPT_BITS = set.u32opt1(); // this value is not used in this example.
LID = set.u8devid(); // logical ID;

[CONFIG/BRD_APPTWELITE:0/SID=8XXYYYYY]
a: (0x1234ABCD) Application ID [HEX:32bit]
i: (        13) Device ID [1-100,etc]
c: (        13) Channel [11-26]
x: (      0x03) RF Power/Retry [HEX:8bit]
o: (0x00000000) Option Bits [HEX:32bit]

 [ESC]:Back [!]:Reset System [M]:Extr Menu    

auto&& brd = the_twelite.board.use<BRD_APPTWELITE>();

	if (brd.get_M1()) { LID = 0; }

	// the twelite main class
	the_twelite
		<< set
		<< TWENET::rx_when_idle();  // open receive circuit (if not set, it can't listen packts from others)

auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
nwk << set;
nwk << NWK_SIMPLE::logical_id(LID);

Analogue.setup(true, ANALOGUE::KICK_BY_TIMER0);

	Analogue.begin(pack_bits(
						BRD_APPTWELITE::PIN_AI1,
						BRD_APPTWELITE::PIN_AI2,
						BRD_APPTWELITE::PIN_AI3,
						BRD_APPTWELITE::PIN_AI4,
				   	PIN_ANALOGUE::VCC));

Buttons.setup(5);

Buttons.begin(pack_bits(
						BRD_APPTWELITE::PIN_DI1,
						BRD_APPTWELITE::PIN_DI2,
						BRD_APPTWELITE::PIN_DI3,
						BRD_APPTWELITE::PIN_DI4),
					5, 		// history count
					4);  	// tick delta

Timer0.begin(32, true); // 32hz timer

the_twelite.begin(); // start twelite!

	Serial 	<< "--- BRD_APPTWELITE ---" << mwx::crlf;
	Serial	<< format("-- app:x%08x/ch:%d/lid:%d"
					, the_twelite.get_appid()
					, the_twelite.get_channel()
					, nwk.get_config().u8Lid
				)
			<< mwx::crlf;
	Serial 	<< format("-- pw:%d/retry:%d/opt:x%08x"
					, the_twelite.get_tx_power()
					, nwk.get_config().u8RetryDefault
					, OPT_BITS
			)
			<< mwx::crlf;

/*** loop procedure (called every event) */
void loop() {
	if (Buttons.available()) {
		uint32_t bp, bc;
		Buttons.read(bp, bc);

		u8DI_BM = uint8_t(collect_bits(bp, 
							BRD_APPTWELITE::PIN_DI4,   // bit3
							BRD_APPTWELITE::PIN_DI3,   // bit2
							BRD_APPTWELITE::PIN_DI2,   // bit1
							BRD_APPTWELITE::PIN_DI1)); // bit0

		transmit();
	}

	if (Analogue.available()) {
		au16AI[0] = Analogue.read(PIN_ANALOGUE::VCC);
		au16AI[1] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI1);
		au16AI[2] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI2);
		au16AI[3] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI3);
		au16AI[4] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI4);
	}

	if (Timer0.available()) {
		static uint8_t u16ct;
		u16ct++;

		if (u8DI_BM != 0xFF && au16AI[0] != 0xFFFF) { // finished the first capture
			if ((u16ct % 32) == 0) { // every 32ticks of Timer0
				transmit();
			}
		}
	}
}

	if (Buttons.available()) {
		uint32_t bp, bc;
		Buttons.read(bp, bc);

u8DI_BM = uint8_t(collect_bits(bp, 
		BRD_APPTWELITE::PIN_DI4,   // bit3
		BRD_APPTWELITE::PIN_DI3,   // bit2
		BRD_APPTWELITE::PIN_DI2,   // bit1
		BRD_APPTWELITE::PIN_DI1)); // bit0

/* collect_bits は以下の処理を行います。
u8DI_BM = 0;
if (bp & (1UL << BRD_APPTWELITE::PIN_DI1)) u8DI_BM |= 1;
if (bp & (1UL << BRD_APPTWELITE::PIN_DI2)) u8DI_BM |= 2;
if (bp & (1UL << BRD_APPTWELITE::PIN_DI3)) u8DI_BM |= 4;
if (bp & (1UL << BRD_APPTWELITE::PIN_DI4)) u8DI_BM |= 8;
*/

transmit();

if (Analogue.available()) {
	au16AI[0] = Analogue.read(PIN_ANALOGUE::VCC);
	au16AI[1] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI1);
	au16AI[2] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI2);
	au16AI[3] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI3);
	au16AI[4] = Analogue.read_raw(BRD_APPTWELITE::PIN_AI4);
}

if (Timer0.available()) {
	static uint8_t u16ct;
	u16ct++;

	if (u8DI_BM != 0xFF && au16AI[0] != 0xFFFF) { // finished the first capture
		if ((u16ct % 32) == 0) { // every 32ticks of Timer0
			transmit();
		}
	}
}

MWX_APIRET transmit() {
	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {
	  auto&& set = the_twelite.settings.use<STG_STD>();
		if (!set.is_screen_opened()) {
			Serial << "..DI=" << format("%04b ", u8DI_BM);
			Serial << format("ADC=%04d/%04d/%04d/%04d ", au16AI[1], au16AI[2], au16AI[3], au16AI[4]);
			Serial << "Vcc=" << format("%04d ", au16AI[0]);
			Serial << " --> transmit" << mwx::crlf;
		}

		// set tx packet behavior
		pkt << tx_addr(u8devid == 0 ? 0xFE : 0x00)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
			<< tx_retry(0x1) // set retry (0x1 send two times in total)
			<< tx_packet_delay(0,50,10); // send packet w/ delay (send first packet with randomized delay from 100 to 200ms, repeat every 20ms)

		// prepare packet payload
		pack_bytes(pkt.get_payload() // set payload data objects.
			, make_pair(APP_FOURCHAR, 4) // string should be paired with length explicitly.
			, uint8_t(u8DI_BM)
		);

		for (auto&& x : au16AI) {
			pack_bytes(pkt.get_payload(), uint16_t(x)); // adc values
		}
		
		// do transmit 
		return pkt.transmit();
	}
	return MWX_APIRET(false, 0);
}

MWX_APIRET transmit()

	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {

auto&& set = the_twelite.settings.use<STG_STD>();
if (!set.is_screen_opened()) {
    //インタラクティブモード画面中ではない！
}

pkt << tx_addr(u8devid == 0 ? 0xFE : 0x00)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
		<< tx_retry(0x1) // set retry (0x3 send four times in total)
		<< tx_packet_delay(0,50,10); // send packet w/ delay (send first packet with randomized delay from 100 to 200ms, repeat every 20ms)

# 先頭バイトのインデックス: データ型 : バイト数 : 内容

00: uint8_t[4] : 4 : ４文字識別子
04: uint8_t    : 1 : DI1..4のビットマップ
06: uint16_t   : 2 : Vccの電圧値
08: uint16_t   : 2 : AI1のADC値 (0..1023)
10: uint16_t   : 2 : AI2のADC値 (0..1023)
12: uint16_t   : 2 : AI3のADC値 (0..1023)
14: uint16_t   : 2 : AI4のADC値 (0..1023)

auto&& payl = pkt.get_payload();
payl.reserve(16); // １６バイトにリサイズ
payl[00] = APP_FOURCHAR[0];
payl[01] = APP_FOURCHAR[1];
...
payl[08] = (au16AI[0] & 0xFF00) >> 8; //Vcc
payl[09] = (au16AI[0] & 0xFF);
...
payl[14] = (au16AI[4] & 0xFF00) >> 8; // AI4
payl[15] = (au16AI[4] & 0xFF);

// prepare packet payload
pack_bytes(pkt.get_payload() // set payload data objects.
	, make_pair(APP_FOURCHAR, 4) // string should be paired with length explicitly.
	, uint8_t(u8DI_BM)
);

for (auto&& x : au16AI) {
	pack_bytes(pkt.get_payload(), uint16_t(x)); // adc values
}

return pkt.transmit();

void on_rx_packet(packet_rx& rx, bool_t &handled) {	
	auto&& set = the_twelite.settings.use<STG_STD>();

	Serial << format("..receive(%08x/%d) : ", rx.get_addr_src_long(), rx.get_addr_src_lid());

  // expand the packet payload
	char fourchars[5]{};
	auto&& np = expand_bytes(rx.get_payload().begin(), rx.get_payload().end()
		, make_pair((uint8_t*)fourchars, 4)  // 4bytes of msg
    );

	// check header
	if (strncmp(APP_FOURCHAR, fourchars, 4)) { return; }

	// read rest of payload
	uint8_t u8DI_BM_remote = 0xff;
	uint16_t au16AI_remote[5];
	expand_bytes(np, rx.get_payload().end()
		, u8DI_BM_remote
		, au16AI_remote[0]
		, au16AI_remote[1]
		, au16AI_remote[2]
		, au16AI_remote[3]
		, au16AI_remote[4]
	);

	Serial << format("DI:%04b", u8DI_BM_remote & 0x0F);
	for (auto&& x : au16AI_remote) {
		Serial << format("/%04d", x);
	}
	Serial << mwx::crlf;

	// set local DO
	digitalWrite(BRD_APPTWELITE::PIN_DO1, (u8DI_BM_remote & 1) ? HIGH : LOW);
	digitalWrite(BRD_APPTWELITE::PIN_DO2, (u8DI_BM_remote & 2) ? HIGH : LOW);
	digitalWrite(BRD_APPTWELITE::PIN_DO3, (u8DI_BM_remote & 4) ? HIGH : LOW);
	digitalWrite(BRD_APPTWELITE::PIN_DO4, (u8DI_BM_remote & 8) ? HIGH : LOW);

	// set local PWM : duty is set 0..1024, so 1023 is set 1024.
	Timer1.change_duty(au16AI_remote[1] == 1023 ? 1024 : au16AI_remote[1]);
	Timer2.change_duty(au16AI_remote[2] == 1023 ? 1024 : au16AI_remote[2]);
	Timer3.change_duty(au16AI_remote[3] == 1023 ? 1024 : au16AI_remote[3]);
	Timer4.change_duty(au16AI_remote[4] == 1023 ? 1024 : au16AI_remote[4]);
}

void on_rx_packet(packet_rx& rx, bool_t &handled)

if (!set.is_screen_opened()) {
   Serial << format("..receive(%08x/%d) : ",
      rx.get_addr_src_long(), rx.get_addr_src_lid());
}

char fourchars[5]{};
auto&& np = expand_bytes(rx.get_payload().begin(), rx.get_payload().end()
	, make_pair((uint8_t*)fourchars, 4)  // 4bytes of msg
  );

if (strncmp(APP_FOURCHAR, fourchars, 4)) { return; }

	// read rest of payload
	uint8_t u8DI_BM_remote = 0xff;
	uint16_t au16AI_remote[5];
	expand_bytes(np, rx.get_payload().end()
		, u8DI_BM_remote
		, au16AI_remote[0]
		, au16AI_remote[1]
		, au16AI_remote[2]
		, au16AI_remote[3]
		, au16AI_remote[4]
	);

auto&& set = the_twelite.settings.use<STG_STD>();
...
Serial << format("DI:%04b", u8DI_BM_remote & 0x0F);
for (auto&& x : au16AI_remote) {
	Serial << format("/%04d", x);
}
Serial << mwx::crlf;

// set local DO
digitalWrite(BRD_APPTWELITE::PIN_DO1, (u8DI_BM_remote & 1) ? HIGH : LOW);
digitalWrite(BRD_APPTWELITE::PIN_DO2, (u8DI_BM_remote & 2) ? HIGH : LOW);
digitalWrite(BRD_APPTWELITE::PIN_DO3, (u8DI_BM_remote & 4) ? HIGH : LOW);
digitalWrite(BRD_APPTWELITE::PIN_DO4, (u8DI_BM_remote & 8) ? HIGH : LOW);

// set local PWM : duty is set 0..1024, so 1023 is set 1024.
Timer1.change_duty(au16AI_remote[1] == 1023 ? 1024 : au16AI_remote[1]);
Timer2.change_duty(au16AI_remote[2] == 1023 ? 1024 : au16AI_remote[2]);
Timer3.change_duty(au16AI_remote[3] == 1023 ? 1024 : au16AI_remote[3]);
Timer4.change_duty(au16AI_remote[4] == 1023 ? 1024 : au16AI_remote[4]);

#include <TWELITE>
#include <NWK_SIMPLE>// ネットワークサポート
#include <ARIA>   // TWELITE ARIA
#include <STG_STD>   // インタラクティブモード
#include <SM_SIMPLE> // 簡易ステートマシン

void setup(){
	/*** SETUP section */
	/// init vars or objects
	step.setup(); // initialize state machine
	
	/// load board and settings objects
	auto&& brd = the_twelite.board.use<ARIA>(); // load board support
	auto&& set = the_twelite.settings.use<STG_STD>(); // load save/load settings(interactive mode) support
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>(); // load network support

	/// configure settings
	// configure settings
	set << SETTINGS::appname("ARIA");
	set << SETTINGS::appid_default(DEFAULT_APP_ID); // set default appID
	set << SETTINGS::ch_default(DEFAULT_CHANNEL); // set default channel
	set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);

	// if SET=LOW is detected, start with intaractive mode.
	if (digitalRead(brd.PIN_SET) == PIN_STATE::LOW) {
		set << SETTINGS::open_at_start();
		step.next(STATE::INTERACTIVE);
		return;
	}

	// load values
	set.reload(); // load from EEPROM.
	OPT_BITS = set.u32opt1(); // this value is not used in this example.
	
	LID = set.u8devid(); // set logical ID

	/// configure system basics
	the_twelite << set; // apply settings (from interactive mode)

	/// configure network
	nwk << set; // apply settings (from interactive mode)
	nwk << NWK_SIMPLE::logical_id(LID); // set LID again (LID can also be configured by DIP-SW.)	

	/// configure hardware
	// LED setup (use periph_led_timer, which will re-start on wakeup() automatically)
	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)
	
	// let the TWELITE begin!
	the_twelite.begin();

	/*** INIT message */
	Serial << "--- ARIA:" << FOURCHARS << " ---" << mwx::crlf;
	Serial	<< format("-- app:x%08x/ch:%d/lid:%d"
					, the_twelite.get_appid()
					, the_twelite.get_channel()
					, nwk.get_config().u8Lid
				)
			<< mwx::crlf;
	Serial 	<< format("-- pw:%d/retry:%d/opt:x%08x"
					, the_twelite.get_tx_power()
					, nwk.get_config().u8RetryDefault
					, OPT_BITS
			)
			<< mwx::crlf;
}

auto&& brd = the_twelite.board.use<ARIA>();

// configure settings
set << SETTINGS::appname("ARIA");
set << SETTINGS::appid_default(DEFAULT_APP_ID); // set default appID
set << SETTINGS::ch_default(DEFAULT_CHANNEL); // set default channel
set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);

// if SET=LOW is detected, start with intaractive mode.
if (digitalRead(brd.PIN_SET) == PIN_STATE::LOW) {
	set << SETTINGS::open_at_start();
	step.next(STATE::INTERACTIVE);
	return;
}

// load values
set.reload(); // load from EEPROM.
OPT_BITS = set.u32opt1(); // this value is not used in this example.

LID = set.u8devid(); // set logical ID

the_twelite << set; // apply settings (from interactive mode)

brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

void loop() {
	auto&& brd = the_twelite.board.use<ARIA>();

	do {
		switch (step.state()) {
		 // 各状態の振る舞い
		case STATE::INIT:
		...
		break;
		...
		}
	while(step.b_more_loop());
}	

brd.sns_SHT4x.begin();

step.next(STATE::SENSOR);

//  wait until sensor capture finish
if (!brd.sns_SHT4x.available()) {
	brd.sns_SHT4x.process_ev(E_EVENT_TICK_TIMER);
}else{ // now sensor data is ready.
	sensor.i16temp = brd.sns_SHT4x.get_temp_cent();
	sensor.i16humid = brd.sns_SHT4x.get_humid_per_dmil();

	// read magnet sensor
	sensor.b_north = digitalRead(ARIA::PIN_SNS_NORTH);
	sensor.b_south = digitalRead(ARIA::PIN_SNS_SOUTH);

	Serial << "..finish sensor capture." << mwx::crlf
		<< "  MAGnet   : north=" << int(sensor.b_north) << mwx::crlf
		<< "             south=" << int(sensor.b_south) << mwx::crlf
		<< "  SHT4x    : temp=" << div100(sensor.i16temp) << 'C' << mwx::crlf
		<< "             humd=" << div100(sensor.i16humid) << '%' << mwx::crlf
		;
	Serial.flush();

	step.next(STATE::TX);
}

pkt << tx_addr(0x00)  // 親機0x00宛
	<< tx_retry(0x1)    // リトライ1回
	<< tx_packet_delay(0, 0, 2); // 遅延は最小限

pack_bytes(pkt.get_payload() // set payload data objects.
	, make_pair(FOURCHARS, 4)  // just to see packet identification, you can design in any.
	, uint8_t(sensor.b_north)
	, uint8_t(sensor.b_south)
	, uint16_t(sensor.i16temp)
	, uint16_t(sensor.i16humid)
);

// do transmit
MWX_APIRET ret = pkt.transmit();

if (ret) {
	step.clear_flag(); // waiting for flag is set.
	step.set_timeout(100); // set timeout
	step.next(STATE::TX_WAIT_COMP);
}

if (step.is_timeout()) { // maybe fatal error.
	the_twelite.reset_system();
}
if (step.is_flag_ready()) { // when tx is performed
	Serial << "..transmit complete." << mwx::crlf;
	Serial.flush();
	step.next(STATE::GO_SLEEP);
}

void on_tx_comp(mwx::packet_ev_tx& ev, bool_t &b_handled) {
	step.set_flag(ev.bStatus);
}

void sleepNow() {
	step.on_sleep(false); // reset state machine.

	// randomize sleep duration.
	uint32_t u32ct = 1750 + random(0,500);

	// set an interrupt for MAGnet sensor.
	pinMode(ARIA::PIN_SNS_OUT1, PIN_MODE::WAKE_FALLING);
	pinMode(ARIA::PIN_SNS_OUT2, PIN_MODE::WAKE_FALLING);

	// output message
	Serial << "..sleeping " << int(u32ct) << "ms." << mwx::crlf;
	Serial.flush(); // wait until all message printed.
	
	// do sleep.
	the_twelite.sleep(u32ct);
}

void wakeup() {
    Serial	<< mwx::crlf
        	<< "--- ARIA:" << FOURCHARS << " wake up ";

    if (the_twelite.is_wokeup_by_wktimer()) {
        Serial << "(WakeTimer) ---";
    } else 
    if (the_twelite.is_wokeup_by_dio(ARIA::PIN_SNS_NORTH)) {
        Serial << "(MAGnet INT [N]) ---";
    } else 
    if (the_twelite.is_wokeup_by_dio(ARIA::PIN_SNS_SOUTH)) {
        Serial << "(MAGnet INT [S]) ---";
    } else {
        Serial << "(unknown source) ---";
    }

	Serial  << mwx::crlf
			<< "..start sensor capture again."
			<< mwx::crlf;
}

#include <TWELITE>
#include <NWK_SIMPLE>// ネットワークサポート
#include <PAL_AMB>   // PAL_AMB
#include <STG_STD>   // インタラクティブモード
#include <SM_SIMPLE> // 簡易ステートマシン

void setup() {
	/*** SETUP section */
	step.setup(); // ステートマシンの初期化
		
	// PAL_AMBのボードビヘイビアを読み込む
	auto&& brd = the_twelite.board.use<PAL_AMB>();
	
	// インタラクティブモードを読み込む
	auto&& set = the_twelite.settings.use<STG_STD>();
	set << SETTINGS::appname(FOURCHARS);
	set << SETTINGS::appid_default(APP_ID); // set default appID
	set.hide_items(E_STGSTD_SETID::POWER_N_RETRY, E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);

	// SET ピンを検出した場合は、インタラクティブモードを起動する
	if (digitalRead(brd.PIN_BTN) == PIN_STATE::LOW) {
		set << SETTINGS::open_at_start();
		step.next(STATE::INTERACTIVE);
		return;
	}

	// インタラクティブモードのデータを読み出す
	set.reload();
	APP_ID = set.u32appid();
	CHANNEL = set.u8ch();
	OPT_BITS = set.u32opt1();

	// DIPスイッチとインタラクティブモードの設定からLIDを決める
	LID = (brd.get_DIPSW_BM() & 0x07); // 1st priority is DIP SW
	if (LID == 0) LID = set.u8devid(); // 2nd is setting.
	if (LID == 0) LID = 0xFE; // if still 0, set 0xFE (anonymous child)
	
	// LED初期化
	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

	// the twelite main object.
	the_twelite
		<< TWENET::appid(APP_ID)     // set application ID (identify network group)
		<< TWENET::channel(CHANNEL); // set channel (pysical channel)

	// Register Network
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
	nwk << NWK_SIMPLE::logical_id(u8ID); // set Logical ID. (0xFE means a child device with no ID)

	/*** BEGIN section */
	Wire.begin(); // start two wire serial bus.
	Analogue.begin(pack_bits(PIN_ANALOGUE::A1, PIN_ANALOGUE::VCC)); // _start continuous adc capture.

	the_twelite.begin(); // start twelite!

	startSensorCapture(); // start sensor capture!

	/*** INIT message */
	Serial << "--- PAL_AMB:" << FOURCHARS << " ---" << mwx::crlf;
}

auto&& brd = the_twelite.board.use<PAL_AMB>();

// インタラクティブモードを読み込む
auto&& set = the_twelite.settings.use<STG_STD>();
set << SETTINGS::appname(FOURCHARS);
set << SETTINGS::appid_default(APP_ID); // set default appID
set.hide_items(E_STGSTD_SETID::POWER_N_RETRY, E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);

// SET ピンを検出した場合は、インタラクティブモードを起動する
if (digitalRead(brd.PIN_BTN) == PIN_STATE::LOW) {
	set << SETTINGS::open_at_start();
	step.next(STATE::INTERACTIVE);
	return;
}

// インタラクティブモードのデータを読み出す
set.reload();
APP_ID = set.u32appid();
CHANNEL = set.u8ch();
OPT_BITS = set.u32opt1();

// DIPスイッチとインタラクティブモードの設定からLIDを決める
LID = (brd.get_DIPSW_BM() & 0x07); // 1st priority is DIP SW
if (LID == 0) LID = set.u8devid(); // 2nd is setting.
if (LID == 0) LID = 0xFE; // if still 0, set 0xFE (anonymous child)

	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

	the_twelite
		<< TWENET::appid(APP_ID)     // set application ID (identify network group)
		<< TWENET::channel(CHANNEL); // set channel (pysical channel)

Wire.begin(); // start two wire serial bus.

startSensorCapture();

void loop() {
	auto&& brd = the_twelite.board.use<PAL_AMB>();

	do {
		switch (step.state()) {
		 // 各状態の振る舞い
		case STATE::INIT:
		...
		break;
		...
		}
	while(step.b_more_loop());
}	

brd.sns_SHTC3.begin();
brd.sns_LTR308ALS.begin();

step.next(STATE::SENSOR);

	if (!brd.sns_LTR308ALS.available()) {
		brd.sns_LTR308ALS.process_ev(E_EVENT_TICK_TIMER);
	}

	if (!brd.sns_SHTC3.available()) {
		brd.sns_SHTC3.process_ev(E_EVENT_TICK_TIMER);
	}

// now sensor data is ready.
if (brd.sns_LTR308ALS.available() && brd.sns_SHTC3.available()) {
	sensor.u32luminance = brd.sns_LTR308ALS.get_luminance();
	sensor.i16temp = brd.sns_SHTC3.get_temp_cent();
	sensor.i16humid = brd.sns_SHTC3.get_humid_per_dmil();

	Serial << "..finish sensor capture." << mwx::crlf
		<< "  LTR308ALS: lumi=" << int(sensor.u32luminance) << mwx::crlf
		<< "  SHTC3    : temp=" << div100(sensor.i16temp) << 'C' << mwx::crlf
		<< "             humd=" << div100(sensor.i16humid) << '%' << mwx::crlf
		;
	Serial.flush();

	step.next(STATE::TX);
}

	pkt << tx_addr(0x00)  // 親機0x00宛
		<< tx_retry(0x1)    // リトライ1回
		<< tx_packet_delay(0, 0, 2); // 遅延は最小限

pack_bytes(pkt.get_payload() 
	, make_pair(FOURCHARS, 4)  
	, uint32_t(sensor.u32luminance)
	, uint16_t(sensor.i16temp)
	, uint16_t(sensor.i16humid)
);

// do transmit
MWX_APIRET ret = pkt.transmit();

if (ret) {
	step.clear_flag(); // waiting for flag is set.
	step.set_timeout(100); // set timeout
	step.next(STATE::TX_WAIT_COMP);
}

if (step.is_timeout()) { // maybe fatal error.
	the_twelite.reset_system();
}
if (step.is_flag_ready()) { // when tx is performed
	Serial << "..transmit complete." << mwx::crlf;
	Serial.flush();
	step.next(STATE::GO_SLEEP);
}

void on_tx_comp(mwx::packet_ev_tx& ev, bool_t &b_handled) {
	step.set_flag(ev.bStatus);
}

void sleepNow() {
	step.on_sleep(false); // reset state machine.

	// randomize sleep duration.
	uint32_t u32ct = 1750 + random(0,500);

	// output message
	Serial << "..sleeping " << int(u32ct) << "ms." << mwx::crlf;
	Serial.flush(); // wait until all message printed.
	
	// do sleep.
	the_twelite.sleep(u32ct);
}

void wakeup() {
	Serial	<< mwx::crlf
			<< "--- PAL_AMB:" << FOURCHARS << " wake up ---"
			<< mwx::crlf
			<< "..start sensor capture again."
			<< mwx::crlf;

void begin() {
	sleepNow(); // the first time is just sleeping.
}

void wakeup() {
	if (!b_senser_started) {
		// delete/make shorter this message if power requirement is harder.	
		Serial	<< mwx::crlf
				<< "--- PAL_AMB:" << FOURCHARS << " wake up ---"
				<< mwx::crlf
				<< "..start sensor capture again."
				<< mwx::crlf;

		startSensorCapture();
		b_senser_started = true;

		napNow(); // short period sleep.
	} else {
		Serial << "..wake up from short nap.." << mwx::crlf;

		auto&& brd = the_twelite.board.use<PAL_AMB>();

		b_senser_started = false;

		// tell sensors waking up.
		brd.sns_LTR308ALS.process_ev(E_EVENT_START_UP);
		brd.sns_SHTC3.process_ev(E_EVENT_START_UP);
	}
}

void napNow() {
	uint32_t u32ct = 100;
	Serial << "..nap " << int(u32ct) << "ms." << mwx::crlf;
	the_twelite.sleep(u32ct, false, false, TWENET::SLEEP_WAKETIMER_SECONDARY);
}

#include <TWELITE>
#include <NWK_SIMPLE>
#include <PAL_MAG>

void setup() {
	/*** SETUP section */
	// use PAL_AMB board support.
	auto&& brd = the_twelite.board.use<PAL_MAG>();
	// now it can read DIP sw status.
	u8ID = (brd.get_DIPSW_BM() & 0x07) + 1;
	if (u8ID == 0) u8ID = 0xFE; // 0 is to 0xFE

	// LED setup (use periph_led_timer, which will re-start on wakeup() automatically)
	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

	// the twelite main object.
	the_twelite
		<< TWENET::appid(APP_ID)     // set application ID (identify network group)
		<< TWENET::channel(CHANNEL); // set channel (pysical channel)

	// Register Network
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
	nwk << NWK_SIMPLE::logical_id(u8ID); // set Logical ID. (0xFE means a child device with no ID)

	/*** BEGIN section */
	the_twelite.begin(); // start twelite!

	/*** INIT message */
	Serial << "--- PAL_MAG:" << FOURCHARS << " ---" << mwx::crlf;
}

auto&& brd = the_twelite.board.use<PAL_MAG>();

u8ID = (brd.get_DIPSW_BM() & 0x07) + 1;
if (u8ID == 0) u8ID = 0xFE; // 0 is to 0xFE

	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

void begin() {
	sleepNow(); // the first time is just sleeping.
}

void sleepNow() {
	uint32_t u32ct = 60000;
	
	pinMode(PAL_MAG::PIN_SNS_OUT1, PIN_MODE::WAKE_FALLING);
	pinMode(PAL_MAG::PIN_SNS_OUT2, PIN_MODE::WAKE_FALLING);

	the_twelite.sleep(u32ct);
}

void wakeup() {
	if (the_twelite.is_wokeup_by_wktimer()) {
		sleepNow();
	}
}

void loop() {
	if (!b_transmit) {
		if (auto&& pkt = 
      the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet())

			uint8_t b_north = 
			  the_twelite.is_wokeup_by_dio(PAL_MAG::PIN_SNS_NORTH);
			uint8_t b_south = 
			  the_twelite.is_wokeup_by_dio(PAL_MAG::PIN_SNS_SOUTH);
	
			Serial << "..sensor north=" << int(b_north) 
			       << " south=" << int(b_south) << mwx::crlf;
	
			// set tx packet behavior
			pkt << tx_addr(0x00)
				<< tx_retry(0x1)
				<< tx_packet_delay(0, 0, 2);
	
			// prepare packet payload
			pack_bytes(pkt.get_payload()
				, make_pair(FOURCHARS, 4) 
				, b_north
				, b_south
			);
	
			// do transmit
			MWX_APIRET ret = pkt.transmit();
	
			if (ret) {
				u8txid = ret.get_value() & 0xFF;
				b_transmit = true;
			}
			else {
				// fail to request
				sleepNow();
			}
		} else {
		  sleepNow();
		}
	} else { 
		if (the_twelite.tx_status.is_complete(u8txid)) {		
			b_transmit = 0;
			sleepNow();
		}
	}
}

	if (!b_transmit) {

uint8_t b_north = 
  the_twelite.is_wokeup_by_dio(PAL_MAG::PIN_SNS_NORTH);
uint8_t b_south = 
  the_twelite.is_wokeup_by_dio(PAL_MAG::PIN_SNS_SOUTH);

// do transmit
MWX_APIRET ret = pkt.transmit();

if (the_twelite.tx_status.is_complete(u8txid)) {		
	b_transmit = 0;
	sleepNow();
}

#include <TWELITE>    // MWXライブラリ基本
#include <NWK_SIMPLE> // ネットワーク
#include <SM_SIMPLE>  // ステートマシン（状態遷移）
#include <STG_STD>    // インタラクティブモード

/*** board selection (choose one) */
#define USE_PAL_MOT
//#define USE_CUE
// board dependend definitions.
#if defined(USE_PAL_MOT)
#define BRDN PAL_MOT
#define BRDC <PAL_MOT>
#elif defined(USE_CUE)
#define BRDN CUE
#define BRDC <CUE>
#endif
// include board support
#include BRDC

enum class E_STATE : uint8_t {
	INTERACTIVE = 255,
	INIT = 0,
	START_CAPTURE,
	WAIT_CAPTURE,
	REQUEST_TX,
	WAIT_TX,
	EXIT_NORMAL,
	EXIT_FATAL
};
SM_SIMPLE<E_STATE> step;

struct {
	int32_t x_ave, y_ave, z_ave;
	int32_t x_min, y_min, z_min;
	int32_t x_max, y_max, z_max;
	uint16_t n_seq;
	uint8_t n_samples;
} sensor;

/// load board and settings objects
auto&& brd = the_twelite.board.use BRDC (); // load board support
auto&& set = the_twelite.settings.use<STG_STD>(); // load save/load settings(interactive mode) support
auto&& nwk = the_twelite.network.use<NWK_SIMPLE>(); // load network support

// settings: configure items
set << SETTINGS::appname("MOT");
set << SETTINGS::appid_default(DEFAULT_APP_ID); // set default appID
set << SETTINGS::ch_default(DEFAULT_CHANNEL); // set default channel
set << SETTINGS::lid_default(0x1); // set default LID
set.hide_items(E_STGSTD_SETID::OPT_DWORD2, E_STGSTD_SETID::OPT_DWORD3, E_STGSTD_SETID::OPT_DWORD4, E_STGSTD_SETID::ENC_KEY_STRING, E_STGSTD_SETID::ENC_MODE);

// if SET=LOW is detected, start with intaractive mode.
if (digitalRead(brd.PIN_SET) == PIN_STATE::LOW) {
	set << SETTINGS::open_at_start();
	brd.set_led(LED_TIMER::BLINK, 300); // slower blink
	step.next(STATE::INTERACTIVE);
	return;
}

// load settings
set.reload(); // load from EEPROM.
OPT_BITS = set.u32opt1(); // this value is not used in this example.

the_twelite << set;

nwk << set;

brd.set_led(LED_TIMER::BLINK, 100);

void begin() { 
	auto&& set = the_twelite.settings.use<STG_STD>();
	if (!set.is_screen_opened()) {
		// sleep immediately, waiting for the first capture.
		sleepNow();
	}
}

void wakeup() {
	Serial << crlf << "--- PAL_MOT(OneShot):" 
	       << FOURCHARS << " wake up ---" << crlf;
	eState = E_STATE::INIT;
}

void loop() {
	auto&& brd = the_twelite.board.use<PAL_MOT>();

	do {
		switch(step.state()) {
			case STATE::INTERACTIVE:
			break;
		...
	} while(step.b_more_loop());
}

case STATE::INIT:
	brd.sns_MC3630.get_que().clear(); // clear queue in advance (just in case).
	memset(&sensor, 0, sizeof(sensor)); // clear sensor data
	step.next(STATE::START_CAPTURE);
break;

case STATE::START_CAPTURE:
	brd.sns_MC3630.begin(
		// 400Hz, +/-4G range, get four samples and will average them.
		SnsMC3630::Settings(
			SnsMC3630::MODE_LP_400HZ, SnsMC3630::RANGE_PLUS_MINUS_4G, N_SAMPLES)); 

	step.set_timeout(100);
	step.next(STATE::WAIT_CAPTURE);
break;

case STATE::WAIT_CAPTURE:
	if (brd.sns_MC3630.available()) {
		brd.sns_MC3630.end(); // stop now!

sensor.n_samples = brd.sns_MC3630.get_que().size();
if (sensor.n_samples) sensor.n_seq = brd.sns_MC3630.get_que()[0].get_t();
...

// get all samples and average them.
for (auto&& v: brd.sns_MC3630.get_que()) {
	sensor.x_ave  += v.x;
	sensor.y_ave  += v.y;
	sensor.z_ave  += v.z;
}

if (sensor.n_samples == N_SAMPLES) {
	// if N_SAMPLES == 2^n, division is much faster.
	sensor.x_ave /= N_SAMPLES;
	sensor.y_ave /= N_SAMPLES;
	sensor.z_ave /= N_SAMPLES;
}
...

// can also be:
//	int32_t x_max = -999999, x_min = 999999;
//	for (auto&& v: brd.sns_MC3630.get_que()) {
//		if (v.x >= x_max) x_max = v.x;
//		if (v.y <= x_min) x_min = v.x;
//		...
//	}	
auto&& x_minmax = std::minmax_element(
	get_axis_x_iter(brd.sns_MC3630.get_que().begin()),
	get_axis_x_iter(brd.sns_MC3630.get_que().end()));
sensor.x_min = *x_minmax.first;
sensor.x_max = *x_minmax.second;
...

if (brd.sns_MC3630.available()) {
  ...
  brd.sns_MC3630.get_que().clear(); // clean up the queue
  step.next(STATE::REQUEST_TX); // next state
} else if (step.is_timeout()) {
  Serial << crlf << "!!!FATAL: SENSOR CAPTURE TIMEOUT.";
  step.next(STATE::EXIT_FATAL);
}
break;

case STATE::REQUEST_TX:
	if (TxReq()) {
		step.set_timeout(100);
		step.clear_flag();
		step.next(STATE::WAIT_TX);
	} else {
		Serial << crlf << "!!!FATAL: TX REQUEST FAILS.";
		step.next(STATE::EXIT_FATAL);
	}
break;

case STATE::WAIT_TX:
	if (step.is_flag_ready()) {
		step.next(STATE::EXIT_NORMAL);
	}
	if (step.is_timeout()) {
		Serial << crlf << "!!!FATAL: TX TIMEOUT.";
		step.next(STATE::EXIT_FATAL);
	}
break;

case STATE::EXIT_NORMAL:
	sleepNow();
break;

case STATE::EXIT_FATAL:
	Serial << flush;
	the_twelite.reset_system();
break;

MWX_APIRET TxReq() {
	auto&& brd = the_twelite.board.use<PAL_MOT>();
	MWX_APIRET ret = false;

	// prepare tx packet
	if (auto&& pkt = the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet()) {		
		// set tx packet behavior
		pkt << tx_addr(0x00)  // 0..0xFF (LID 0:parent, FE:child w/ no id, FF:LID broad cast), 0x8XXXXXXX (long address)
			<< tx_retry(0x1) // set retry (0x1 send two times in total)
			<< tx_packet_delay(0, 0, 2); // send packet w/ delay
		
		// prepare packet (first)
		pack_bytes(pkt.get_payload() // set payload data objects.
				, make_pair(FOURCHARS, 4)  // just to see packet identification, you can design in any.
				, uint16_t(sensor.n_seq)
				, uint8_t(sensor.n_samples)
				, uint16_t(sensor.x_ave)
				, uint16_t(sensor.y_ave)
				, uint16_t(sensor.z_ave)
				, uint16_t(sensor.x_min)
				, uint16_t(sensor.y_min)
				, uint16_t(sensor.z_min)
				, uint16_t(sensor.x_max)
				, uint16_t(sensor.y_max)
				, uint16_t(sensor.z_max)
			);

		// perform transmit
		ret = pkt.transmit();

		if (ret) {
			Serial << "..txreq(" << int(ret.get_value()) << ')';
		}
	}

	return ret;
}

void sleepNow() {
	Serial << crlf << "..sleeping now.." << crlf;
	Serial.flush();
	step.on_sleep(false); // reset state machine.
	the_twelite.sleep(3000, false); // set longer sleep (PAL must wakeup less than 60sec.)
}

#include <TWELITE>
#include <NWK_SIMPLE>
#include <PAL_>

void setup() {
	/*** SETUP section */
	// board
	auto&& brd = the_twelite.board.use<PAL_MOT>();
	brd.set_led(LED_TIMER::BLINK, 100);

	// the twelite main class
	the_twelite
		<< TWENET::appid(APP_ID)     
		<< TWENET::channel(CHANNEL);

	// Register Network
	auto&& nwk = the_twelite.network.use<NWK_SIMPLE>();
	nwk	<< NWK_SIMPLE::logical_id(0xFE); 
	
	/*** BEGIN section */
	the_twelite.begin(); // start twelite!
	brd.sns_MC3630.begin(SnsMC3630::Settings(
		SnsMC3630::MODE_LP_14HZ, SnsMC3630::RANGE_PLUS_MINUS_4G));

	/*** INIT message */
	Serial << "--- PAL_MOT(Cont):" << FOURCHARS 
				 << " ---" << mwx::crlf;
}

auto&& brd = the_twelite.board.use<PAL_MOT>();

u8ID = (brd.get_DIPSW_BM() & 0x07) + 1;
if (u8ID == 0) u8ID = 0xFE; // 0 is to 0xFE

	brd.set_led(LED_TIMER::BLINK, 10); // blink (on 10ms/ off 10ms)

	brd.sns_MC3630.begin(SnsMC3630::Settings(
		SnsMC3630::MODE_LP_14HZ, SnsMC3630::RANGE_PLUS_MINUS_4G));

void begin() {
	sleepNow(); // the first time is just sleeping.
}

void sleepNow() {
	pinMode(PAL_MOT::PIN_SNS_INT, WAKE_FALLING);
	the_twelite.sleep(60000, false);
}

void wakeup() {
	Serial << "--- PAL_MOT(Cont):" << FOURCHARS
	       << " wake up ---" << mwx::crlf;

	b_transmit = false;
	txid[0] = 0xFFFF;
	txid[1] = 0xFFFF;
}

void loop() {
	auto&& brd = the_twelite.board.use<PAL_MOT>();

	if (!b_transmit) {
		if (!brd.sns_MC3630.available()) {
			Serial << "..sensor is not available." 
					<< mwx::crlf << mwx::flush;
			sleepNow();
		}

		// send a packet
		Serial << "..finish sensor capture." << mwx::crlf
			<< "  seq=" << int(brd.sns_MC3630.get_que().back().t) 
			<< "/ct=" << int(brd.sns_MC3630.get_que().size());

		// calc average in the queue.
		{
			int32_t x = 0, y = 0, z = 0;
			for (auto&& v: brd.sns_MC3630.get_que()) {
				x += v.x;
				y += v.y;
				z += v.z;
			}
			x /= brd.sns_MC3630.get_que().size();
			y /= brd.sns_MC3630.get_que().size();
			z /= brd.sns_MC3630.get_que().size();

			Serial << format("/ave=%d,%d,%d", x, y, z) << mwx::crlf;
		}

		for (int ip = 0; ip < 2; ip++) {
			if(auto&& pkt = 
				the_twelite.network.use<NWK_SIMPLE>().prepare_tx_packet())
				
				// set tx packet behavior
				pkt << tx_addr(0x00)
					<< tx_retry(0x1)
					<< tx_packet_delay(0, 0, 2);
			
				// prepare packet (first)
				uint8_t siz = (brd.sns_MC3630.get_que().size() >= MAX_SAMP_IN_PKT)
									? MAX_SAMP_IN_PKT : brd.sns_MC3630.get_que().size();
				uint16_t seq = brd.sns_MC3630.get_que().front().t;
			
				pack_bytes(pkt.get_payload()
					, make_pair(FOURCHARS, 4)
					, seq 
					, siz
				);

				// store sensor data (36bits into 5byts, alas 4bits are not used...)
				for (int i = 0; i < siz; i++) {
					auto&& v = brd.sns_MC3630.get_que().front();
					uint32_t v1;

					v1  = ((uint16_t(v.x/2) & 4095) << 20)  // X:12bits
						| ((uint16_t(v.y/2) & 4095) <<  8)  // Y:12bits
						| ((uint16_t(v.z/2) & 4095) >>  4); // Z:8bits from MSB
					uint8_t v2 = (uint16_t(v.z/2) & 255);   // Z:4bits from LSB
					pack_bytes(pkt.get_payload(), v1, v2); // add into pacekt entry.
					brd.sns_MC3630.get_que().pop(); // pop an entry from queue.
				}

				// perform transmit
				MWX_APIRET ret = pkt.transmit();

				if (ret) {
					Serial << "..txreq(" << int(ret.get_value()) << ')';
					txid[ip] = ret.get_value() & 0xFF;
				} else {
					sleepNow();
				}
			}
		}

		// finished tx request
		b_transmit = true;
	} else {
		if(		the_twelite.tx_status.is_complete(txid[0])
			 && the_twelite.tx_status.is_complete(txid[1]) ) {

			sleepNow();
		}
	}
}