MeterReader_3 - Meter Reader for mbed 1768

Users » harrisjunaid » Code » MeterReader_3

Harris Junaid / Mbed 2 deprecated MeterReader_3

Meter Reader for mbed 1768

main.cpp@0:c98a5d4d4855, 2012-04-29 (annotated)

Committer:: harrisjunaid
Date:: Sun Apr 29 13:37:35 2012 +0000
Revision:: 0:c98a5d4d4855

Who changed what in which revision?

User	Revision	Line number	New contents of line
harrisjunaid	0:c98a5d4d4855	1
harrisjunaid	0:c98a5d4d4855	2	#include "mbed.h"
harrisjunaid	0:c98a5d4d4855	3	#include "Serial.h"
harrisjunaid	0:c98a5d4d4855	4
harrisjunaid	0:c98a5d4d4855	5	//PC Serial for DEBUG Messages
harrisjunaid	0:c98a5d4d4855	6	Serial pc(USBTX, USBRX);
harrisjunaid	0:c98a5d4d4855	7
harrisjunaid	0:c98a5d4d4855	8	//Sensor Input
harrisjunaid	0:c98a5d4d4855	9	InterruptIn SensorIn(p21);//Sensor Sensed Needle and sends voltaga (minimum > 2V)
harrisjunaid	0:c98a5d4d4855	10	Timer SensorIn_Filter;
harrisjunaid	0:c98a5d4d4855	11	//mbed Pin Wake
harrisjunaid	0:c98a5d4d4855	12	//InterruptIn wake(p22);
harrisjunaid	0:c98a5d4d4855	13
harrisjunaid	0:c98a5d4d4855	14
harrisjunaid	0:c98a5d4d4855	15	//Battery Voltage
harrisjunaid	0:c98a5d4d4855	16	AnalogIn supplyin(p15);//Connection From XBEE Power Supply
harrisjunaid	0:c98a5d4d4855	17
harrisjunaid	0:c98a5d4d4855	18	//Gas Consumption Variable
harrisjunaid	0:c98a5d4d4855	19	unsigned GasCounter = 0;
harrisjunaid	0:c98a5d4d4855	20	//unsigned GasCounter = 1;//Increment at ev reset/////////.......DEBUG
harrisjunaid	0:c98a5d4d4855	21
harrisjunaid	0:c98a5d4d4855	22	//Meter Reader Data Storage
harrisjunaid	0:c98a5d4d4855	23	LocalFileSystem fs("fs");//mbed internal flash storage
harrisjunaid	0:c98a5d4d4855	24	//FILE *previous;// Pointer for previous_readings.txt (Gas consumption data not yet transmitted )
harrisjunaid	0:c98a5d4d4855	25	//unsigned previous_consumption = 0;//Variable for storing previous consumption (unsigned => only positive value)
harrisjunaid	0:c98a5d4d4855	26
harrisjunaid	0:c98a5d4d4855	27	//Indicators
harrisjunaid	0:c98a5d4d4855	28	DigitalOut SafeShutdown(LED1);//User can now power off
harrisjunaid	0:c98a5d4d4855	29	DigitalOut BoilerOn(LED2);//Indicate to turn on boiler
harrisjunaid	0:c98a5d4d4855	30	DigitalOut XbeeOff(LED3);//XBEE can not get power
harrisjunaid	0:c98a5d4d4855	31	DigitalOut EndDeviceOff(LED3);//Flash LED2 when End Device is not accessable
harrisjunaid	0:c98a5d4d4855	32	DigitalOut PreviousData(LED4);//Previous shutdown was not safe or coordinator was not present
harrisjunaid	0:c98a5d4d4855	33	DigitalOut CounterIncrement(LED4);//Indicates Counter Increment
harrisjunaid	0:c98a5d4d4855	34	BusOut BatteryLow(LED1, LED2, LED3, LED4);// Battery is Low (Flash from LED1 to LED4)
harrisjunaid	0:c98a5d4d4855	35
harrisjunaid	0:c98a5d4d4855	36	//XBEE Connection
harrisjunaid	0:c98a5d4d4855	37	Serial xbee(p9, p10);//XBEE Dout (xbee p2) <--> mbed rx p10, XBEE Din (xbee p3) <--> mbed tx p9
harrisjunaid	0:c98a5d4d4855	38	DigitalOut xbee_reset(p8);//XBEE Reset (xbee p5) <--> mbed digital out p8
harrisjunaid	0:c98a5d4d4855	39	DigitalIn xbee_power(p11);//XBEE Power Indicator (xbee p13) Digital In
harrisjunaid	0:c98a5d4d4855	40	//DigitalIn xbee_associate(p12);//XBEE Association (xbee p15) Digital In
harrisjunaid	0:c98a5d4d4855	41	DigitalIn xbee_CTS(p13);//XBEE pin 12 CTS High = Signal to stop data transfer over UART
harrisjunaid	0:c98a5d4d4855	42	DigitalOut xbee_sleep(p14);//XBEE SLEEP_RQ (p9)
harrisjunaid	0:c98a5d4d4855	43	unsigned xbeeon_off = 0;//Default OFF
harrisjunaid	0:c98a5d4d4855	44
harrisjunaid	0:c98a5d4d4855	45	/***************************************************************************************************
harrisjunaid	0:c98a5d4d4855	46	Functions
harrisjunaid	0:c98a5d4d4855	47	***************************************************************************************************/
harrisjunaid	0:c98a5d4d4855	48
harrisjunaid	0:c98a5d4d4855	49	//Event Based Functions
harrisjunaid	0:c98a5d4d4855	50	void MeterReader_On();//Called at module power on
harrisjunaid	0:c98a5d4d4855	51	void Reading_Handler();//Manage "GasCounter" Transfer and File Update
harrisjunaid	0:c98a5d4d4855	52	void SensorInput();//Called at sensor input
harrisjunaid	0:c98a5d4d4855	53
harrisjunaid	0:c98a5d4d4855	54	//File Handling Functions
harrisjunaid	0:c98a5d4d4855	55	unsigned CheckCounterFile();//Check reading counter file
harrisjunaid	0:c98a5d4d4855	56	void UpdateCounterFile();//Keeps Record of GasCounter
harrisjunaid	0:c98a5d4d4855	57	void PreviousData_Indication();//Called when improper module shutdown or coordinator not found
harrisjunaid	0:c98a5d4d4855	58
harrisjunaid	0:c98a5d4d4855	59	//XBee Handling Functions
harrisjunaid	0:c98a5d4d4855	60	void TransmitGasCounter( unsigned forced);//Transmit Readings
harrisjunaid	0:c98a5d4d4855	61	void Xbee_Check();//Xbee Power and Xbee Range
harrisjunaid	0:c98a5d4d4855	62	unsigned Xbee_RangeCheck();//XBEE Range Check (Check for END DEVICE)
harrisjunaid	0:c98a5d4d4855	63	unsigned Xbee_On_Off();//Return XBEE Power Status
harrisjunaid	0:c98a5d4d4855	64	void XbeeSleep(unsigned sleep);//XBEE Pin Sleep
harrisjunaid	0:c98a5d4d4855	65	void Xbee_Reset();//Reset xbee
harrisjunaid	0:c98a5d4d4855	66	unsigned CTS();//returns 1 when mbed is Clear To Send
harrisjunaid	0:c98a5d4d4855	67	void EndDevice_Indication();//Flash LED2
harrisjunaid	0:c98a5d4d4855	68
harrisjunaid	0:c98a5d4d4855	69	//Battery Check Functions
harrisjunaid	0:c98a5d4d4855	70	unsigned BatteryCheck();//Check Battery Voltage
harrisjunaid	0:c98a5d4d4855	71	void BatteryLow_Indication();//Flash all LEDs indicating Low Battery
harrisjunaid	0:c98a5d4d4855	72
harrisjunaid	0:c98a5d4d4855	73	//Boiler On Indication
harrisjunaid	0:c98a5d4d4855	74	void BoilerSafeOn();
harrisjunaid	0:c98a5d4d4855	75	/****************************************************************************************************
harrisjunaid	0:c98a5d4d4855	76	Battery Check
harrisjunaid	0:c98a5d4d4855	77	****************************************************************************************************/
harrisjunaid	0:c98a5d4d4855	78
harrisjunaid	0:c98a5d4d4855	79	unsigned BatteryCheck() {
harrisjunaid	0:c98a5d4d4855	80
harrisjunaid	0:c98a5d4d4855	81	float battery = 0.0;//Stores sum of three supplyin values
harrisjunaid	0:c98a5d4d4855	82	float supply = 0.0;//Stores real battery voltage
harrisjunaid	0:c98a5d4d4855	83
harrisjunaid	0:c98a5d4d4855	84	for (int i=0; i<3; i++) {//Takes three values 0-2
harrisjunaid	0:c98a5d4d4855	85	battery = battery + supplyin.read();
harrisjunaid	0:c98a5d4d4855	86	//pc.printf("Loop %d\t", i);//////////////.......DEBUG
harrisjunaid	0:c98a5d4d4855	87	wait(0.2);
harrisjunaid	0:c98a5d4d4855	88	}
harrisjunaid	0:c98a5d4d4855	89	supply = (battery /3) * 3.5 ;//Reading Avg * Logic High (battery '1' => 100% '3.5')
harrisjunaid	0:c98a5d4d4855	90	//pc.printf("%f\n", supply);/////////.......DEBUG
harrisjunaid	0:c98a5d4d4855	91	battery = 0.0;
harrisjunaid	0:c98a5d4d4855	92	if ( supply < 3.1 )//Voltage dropped is greater than 0.4V (max of 0.5V drop is acceptable for operation)
harrisjunaid	0:c98a5d4d4855	93	return 1;
harrisjunaid	0:c98a5d4d4855	94	else
harrisjunaid	0:c98a5d4d4855	95	return 0;
harrisjunaid	0:c98a5d4d4855	96	}
harrisjunaid	0:c98a5d4d4855	97
harrisjunaid	0:c98a5d4d4855	98	void BatteryLow_Indication() {////Flash from LED1 to LED4
harrisjunaid	0:c98a5d4d4855	99	for (int i=0; i<4; i++) {
harrisjunaid	0:c98a5d4d4855	100	BatteryLow = 1 << i;
harrisjunaid	0:c98a5d4d4855	101	wait(0.25);
harrisjunaid	0:c98a5d4d4855	102	}
harrisjunaid	0:c98a5d4d4855	103	}
harrisjunaid	0:c98a5d4d4855	104
harrisjunaid	0:c98a5d4d4855	105	/****************************************************************
harrisjunaid	0:c98a5d4d4855	106	XBEE Control Functios
harrisjunaid	0:c98a5d4d4855	107	****************************************************************/
harrisjunaid	0:c98a5d4d4855	108
harrisjunaid	0:c98a5d4d4855	109	void TransmitGasCounter(unsigned forced) {
harrisjunaid	0:c98a5d4d4855	110	pc.printf("\nTransmitGasCounter called GasCounter = %u",GasCounter);//.............DEBUG
harrisjunaid	0:c98a5d4d4855	111	if ( (GasCounter >= 5) \|\| (forced == 1) ) {//Previous Gas Counter (Due To Improper Shut Down) (Forced used for previous GasCounter)
harrisjunaid	0:c98a5d4d4855	112	while ( !(CTS()) );//Wait Till mbed is not Clear To Send
harrisjunaid	0:c98a5d4d4855	113	xbee.putc('*');//Special Character Identifying Reading Transmit
harrisjunaid	0:c98a5d4d4855	114	xbee.putc('\r');
harrisjunaid	0:c98a5d4d4855	115	//xbee.printf("%u\r", GasCounter);//%u", GasCounter);
harrisjunaid	0:c98a5d4d4855	116	xbee.printf("%u", GasCounter);//*TRANSMIT GAS COUNTER*
harrisjunaid	0:c98a5d4d4855	117	GasCounter = 0;
harrisjunaid	0:c98a5d4d4855	118	//UpdateCounterFile();
harrisjunaid	0:c98a5d4d4855	119	}
harrisjunaid	0:c98a5d4d4855	120	}
harrisjunaid	0:c98a5d4d4855	121
harrisjunaid	0:c98a5d4d4855	122	void Xbee_Check() {//Check Xbee Power and Range
harrisjunaid	0:c98a5d4d4855	123	while (Xbee_On_Off() );//Execute Till XBEE is Powered OFF
harrisjunaid	0:c98a5d4d4855	124	while (Xbee_RangeCheck() );//Execute Till End DEVICE is not Powered ON
harrisjunaid	0:c98a5d4d4855	125	}
harrisjunaid	0:c98a5d4d4855	126
harrisjunaid	0:c98a5d4d4855	127	unsigned Xbee_On_Off() {//Return XBEE Power Status
harrisjunaid	0:c98a5d4d4855	128	if (!xbee_power) {//XBEE Powered On
harrisjunaid	0:c98a5d4d4855	129	XbeeOff = 1;//XBEE OFF Indicator
harrisjunaid	0:c98a5d4d4855	130	xbeeon_off = 1;
harrisjunaid	0:c98a5d4d4855	131	return 1;//Retrun XBEE is OFF
harrisjunaid	0:c98a5d4d4855	132	} else {//Xbee is On
harrisjunaid	0:c98a5d4d4855	133	XbeeOff = 0;//Will Send a Ground Signal (LED will Blink)
harrisjunaid	0:c98a5d4d4855	134	xbeeon_off = 0;
harrisjunaid	0:c98a5d4d4855	135	return 0;//Return XBEE is ON
harrisjunaid	0:c98a5d4d4855	136	}
harrisjunaid	0:c98a5d4d4855	137	}
harrisjunaid	0:c98a5d4d4855	138
harrisjunaid	0:c98a5d4d4855	139	unsigned Xbee_RangeCheck() {
harrisjunaid	0:c98a5d4d4855	140
harrisjunaid	0:c98a5d4d4855	141	char response[5];
harrisjunaid	0:c98a5d4d4855	142	wait(10);//Allow Time For Communication
harrisjunaid	0:c98a5d4d4855	143	for (int i=1 ; i<=3 ; i++) {//Enter XBEE in AT Command Mode
harrisjunaid	0:c98a5d4d4855	144	xbee.putc('+');
harrisjunaid	0:c98a5d4d4855	145	wait(0.05);
harrisjunaid	0:c98a5d4d4855	146	}
harrisjunaid	0:c98a5d4d4855	147	xbee.scanf("%s",response);//Get Xbee Response
harrisjunaid	0:c98a5d4d4855	148	//pc.printf("\n%s\n",response);//////////////...........DEBUG
harrisjunaid	0:c98a5d4d4855	149
harrisjunaid	0:c98a5d4d4855	150	//XBEE IS IN COMMAND MODE AND OK RESPONSE IS READ
harrisjunaid	0:c98a5d4d4855	151	xbee.printf("ATNDLOGGER");//AT(AT Command Mode) DN(Destination Node Command) LOGGER(Node Identifier "NI" for END DEVICE)
harrisjunaid	0:c98a5d4d4855	152	xbee.putc('\r');//Carriage Return
harrisjunaid	0:c98a5d4d4855	153	xbee.scanf("%s",response);//Get Response
harrisjunaid	0:c98a5d4d4855	154	//pc.printf("\n%s\n",response);/////////////.............DEBUG
harrisjunaid	0:c98a5d4d4855	155	xbee.printf("ATCN");
harrisjunaid	0:c98a5d4d4855	156	xbee.putc('\r');
harrisjunaid	0:c98a5d4d4855	157	if (response[0] == 'E') {//Could Not Find End Device ("ERROR"\r returned)
harrisjunaid	0:c98a5d4d4855	158	pc.printf("\nCound not find END DEVICE\n");/////////.............DEBUG
harrisjunaid	0:c98a5d4d4855	159	EndDevice_Indication();
harrisjunaid	0:c98a5d4d4855	160	return 1;//Return No End Device
harrisjunaid	0:c98a5d4d4855	161
harrisjunaid	0:c98a5d4d4855	162	} else {//End Device is Active ("OK"\r returned)
harrisjunaid	0:c98a5d4d4855	163	//pc.printf("\nEnd Device Responded\n");/////////.............DEBUG
harrisjunaid	0:c98a5d4d4855	164	return 0;//Return End Device is ON
harrisjunaid	0:c98a5d4d4855	165	}
harrisjunaid	0:c98a5d4d4855	166	}
harrisjunaid	0:c98a5d4d4855	167
harrisjunaid	0:c98a5d4d4855	168	unsigned CTS() {//returns 1 when mbed is Clear To Send
harrisjunaid	0:c98a5d4d4855	169	if (xbee_CTS == 0) return 1;//mbed is Clear To Send
harrisjunaid	0:c98a5d4d4855	170	else return 0;
harrisjunaid	0:c98a5d4d4855	171	}
harrisjunaid	0:c98a5d4d4855	172
harrisjunaid	0:c98a5d4d4855	173	void Xbee_Reset() {
harrisjunaid	0:c98a5d4d4855	174	xbee_reset = 0;//RESET
harrisjunaid	0:c98a5d4d4855	175	wait_ms(1);
harrisjunaid	0:c98a5d4d4855	176	xbee_reset = 1;//Back To Operation
harrisjunaid	0:c98a5d4d4855	177	wait_ms(1);
harrisjunaid	0:c98a5d4d4855	178	}
harrisjunaid	0:c98a5d4d4855	179
harrisjunaid	0:c98a5d4d4855	180	void XbeeSleep(unsigned sleep) {
harrisjunaid	0:c98a5d4d4855	181	//pc.printf("\nSleep Called\n");////////////............DEBUG
harrisjunaid	0:c98a5d4d4855	182	if (sleep == 1) xbee_sleep = 1;//SLEEP_RQ pin 9
harrisjunaid	0:c98a5d4d4855	183	else xbee_sleep = 0;
harrisjunaid	0:c98a5d4d4855	184	wait(2);//Time for XBEE to Respond
harrisjunaid	0:c98a5d4d4855	185	}
harrisjunaid	0:c98a5d4d4855	186
harrisjunaid	0:c98a5d4d4855	187	void EndDevice_Indication() {//Flash LED2 => NO END DEVICE
harrisjunaid	0:c98a5d4d4855	188	for (unsigned i=0; i<=5 ; i++) {
harrisjunaid	0:c98a5d4d4855	189	EndDeviceOff = 1;
harrisjunaid	0:c98a5d4d4855	190	wait(0.2);
harrisjunaid	0:c98a5d4d4855	191	EndDeviceOff = 0;
harrisjunaid	0:c98a5d4d4855	192	wait(0.2);
harrisjunaid	0:c98a5d4d4855	193	EndDeviceOff = 1;
harrisjunaid	0:c98a5d4d4855	194	wait(0.2);
harrisjunaid	0:c98a5d4d4855	195	EndDeviceOff = 0;
harrisjunaid	0:c98a5d4d4855	196	}
harrisjunaid	0:c98a5d4d4855	197	}
harrisjunaid	0:c98a5d4d4855	198
harrisjunaid	0:c98a5d4d4855	199	void BoilerSafeOn() {//LED2
harrisjunaid	0:c98a5d4d4855	200	BoilerOn = 1;
harrisjunaid	0:c98a5d4d4855	201	wait(4);
harrisjunaid	0:c98a5d4d4855	202	BoilerOn = 0;
harrisjunaid	0:c98a5d4d4855	203	}
harrisjunaid	0:c98a5d4d4855	204	/****************************************************************
harrisjunaid	0:c98a5d4d4855	205	FILE MANIPULATION FUNCTIONS
harrisjunaid	0:c98a5d4d4855	206
harrisjunaid	0:c98a5d4d4855	207	Checks if reading record file is present. File is created if not
harrisjunaid	0:c98a5d4d4855	208	found or else it will be read for previous untransmitted counter.
harrisjunaid	0:c98a5d4d4855	209	Variable previous_consumption has global scope.
harrisjunaid	0:c98a5d4d4855	210	****************************************************************/
harrisjunaid	0:c98a5d4d4855	211
harrisjunaid	0:c98a5d4d4855	212	unsigned CheckCounterFile() {// Checks For Previous Readings
harrisjunaid	0:c98a5d4d4855	213
harrisjunaid	0:c98a5d4d4855	214	FILE *counter;// Pointer for COUNTER.txt (Gas consumption data)
harrisjunaid	0:c98a5d4d4855	215
harrisjunaid	0:c98a5d4d4855	216	if ( (counter = fopen("/fs/COUNTER.txt", "r")) == NULL) {// Check if the file exist
harrisjunaid	0:c98a5d4d4855	217	pc.printf("File not found so created\n");//////////////////////................DEBUG
harrisjunaid	0:c98a5d4d4855	218	counter = fopen("/fs/COUNTER.txt", "w");//File created mode = w
harrisjunaid	0:c98a5d4d4855	219
harrisjunaid	0:c98a5d4d4855	220	} else {//File exist
harrisjunaid	0:c98a5d4d4855	221
harrisjunaid	0:c98a5d4d4855	222	fscanf( counter,"%u", &GasCounter) ;//Update GasCounter
harrisjunaid	0:c98a5d4d4855	223	pc.printf( "previous value %u\n", GasCounter);////////................DEBUG
harrisjunaid	0:c98a5d4d4855	224
harrisjunaid	0:c98a5d4d4855	225
harrisjunaid	0:c98a5d4d4855	226	}
harrisjunaid	0:c98a5d4d4855	227	fclose(counter);//close file handler
harrisjunaid	0:c98a5d4d4855	228
harrisjunaid	0:c98a5d4d4855	229	//Return status for indication activation
harrisjunaid	0:c98a5d4d4855	230	if (GasCounter > 0) {
harrisjunaid	0:c98a5d4d4855	231
harrisjunaid	0:c98a5d4d4855	232	return 1;//Return There Were Previous Readings
harrisjunaid	0:c98a5d4d4855	233	} else return 0;//Return No Previous Reading
harrisjunaid	0:c98a5d4d4855	234
harrisjunaid	0:c98a5d4d4855	235	}
harrisjunaid	0:c98a5d4d4855	236
harrisjunaid	0:c98a5d4d4855	237	void UpdateCounterFile() {
harrisjunaid	0:c98a5d4d4855	238	pc.printf("\nUpdateCounterFile called GasCounter = %u",GasCounter);//.............DEBUG
harrisjunaid	0:c98a5d4d4855	239	unsigned PreviousCounter = 0;
harrisjunaid	0:c98a5d4d4855	240	FILE *counter;// Pointer for COUNTER.txt (Gas consumption data)
harrisjunaid	0:c98a5d4d4855	241	if (GasCounter == 0)
harrisjunaid	0:c98a5d4d4855	242	counter = fopen("/fs/COUNTER.txt", "w");//Contents Discarded
harrisjunaid	0:c98a5d4d4855	243	else {
harrisjunaid	0:c98a5d4d4855	244	counter = fopen("/fs/COUNTER.txt", "r");
harrisjunaid	0:c98a5d4d4855	245	fscanf( counter,"%u", &PreviousCounter);
harrisjunaid	0:c98a5d4d4855	246	fclose(counter);
harrisjunaid	0:c98a5d4d4855	247	counter = fopen("/fs/COUNTER.txt", "w");//Contents Discarded
harrisjunaid	0:c98a5d4d4855	248	GasCounter = GasCounter + PreviousCounter;
harrisjunaid	0:c98a5d4d4855	249	fprintf( counter, "%u", GasCounter );
harrisjunaid	0:c98a5d4d4855	250	pc.printf("\rCounter file update: %u\r");///////......DEBUG
harrisjunaid	0:c98a5d4d4855	251	GasCounter = 0;
harrisjunaid	0:c98a5d4d4855	252	}
harrisjunaid	0:c98a5d4d4855	253	fclose(counter);
harrisjunaid	0:c98a5d4d4855	254	}
harrisjunaid	0:c98a5d4d4855	255
harrisjunaid	0:c98a5d4d4855	256
harrisjunaid	0:c98a5d4d4855	257
harrisjunaid	0:c98a5d4d4855	258	void PreviousData_Indication() {//LED4 is Flashed (Indicating previous shut down was not safe)
harrisjunaid	0:c98a5d4d4855	259	for (unsigned i=0; i<=5 ; i++) {
harrisjunaid	0:c98a5d4d4855	260	PreviousData = 1;
harrisjunaid	0:c98a5d4d4855	261	wait(0.2);
harrisjunaid	0:c98a5d4d4855	262	PreviousData = 0;
harrisjunaid	0:c98a5d4d4855	263	wait(0.2);
harrisjunaid	0:c98a5d4d4855	264	PreviousData = 1;
harrisjunaid	0:c98a5d4d4855	265	wait(0.2);
harrisjunaid	0:c98a5d4d4855	266	PreviousData = 0;
harrisjunaid	0:c98a5d4d4855	267
harrisjunaid	0:c98a5d4d4855	268	}
harrisjunaid	0:c98a5d4d4855	269	}
harrisjunaid	0:c98a5d4d4855	270
harrisjunaid	0:c98a5d4d4855	271	/////////////////////////////////////////////////////////////////
harrisjunaid	0:c98a5d4d4855	272	void MeterReader_On() {
harrisjunaid	0:c98a5d4d4855	273	pc.printf("\nMeterReader_On called GasCounter = %u",GasCounter);//.............DEBUG
harrisjunaid	0:c98a5d4d4855	274	//Battery Voltage Check
harrisjunaid	0:c98a5d4d4855	275	while ( BatteryCheck() )//Till Battery is not sufficiently charged
harrisjunaid	0:c98a5d4d4855	276	BatteryLow_Indication();//Battery Low Indication
harrisjunaid	0:c98a5d4d4855	277
harrisjunaid	0:c98a5d4d4855	278	//Last Shutdown Check
harrisjunaid	0:c98a5d4d4855	279	if ( CheckCounterFile() )//GasCounter update from previous untransmitted record and return status
harrisjunaid	0:c98a5d4d4855	280	PreviousData_Indication();//LED 4 Flash
harrisjunaid	0:c98a5d4d4855	281
harrisjunaid	0:c98a5d4d4855	282
harrisjunaid	0:c98a5d4d4855	283	//Reset XBEE
harrisjunaid	0:c98a5d4d4855	284	Xbee_Reset();
harrisjunaid	0:c98a5d4d4855	285
harrisjunaid	0:c98a5d4d4855	286	//Check XBEE Power and Communication
harrisjunaid	0:c98a5d4d4855	287	Xbee_Check();//Checks for XBEE and provides LED indication
harrisjunaid	0:c98a5d4d4855	288	//Will not move forward in case of an error
harrisjunaid	0:c98a5d4d4855	289
harrisjunaid	0:c98a5d4d4855	290	//Check For Previous Counter and Transmit if any
harrisjunaid	0:c98a5d4d4855	291	if (GasCounter > 0)TransmitGasCounter(1);//FORCE TO TRANSMIT PREVIOUS READINGS IF ANY
harrisjunaid	0:c98a5d4d4855	292	//TransmitGasCounter will reset GasCounter after reading transmition
harrisjunaid	0:c98a5d4d4855	293
harrisjunaid	0:c98a5d4d4855	294	//XBEE to sleep
harrisjunaid	0:c98a5d4d4855	295	XbeeSleep(1);
harrisjunaid	0:c98a5d4d4855	296
harrisjunaid	0:c98a5d4d4855	297	//Boiler Can Be Turned On
harrisjunaid	0:c98a5d4d4855	298	BoilerSafeOn();
harrisjunaid	0:c98a5d4d4855	299
harrisjunaid	0:c98a5d4d4855	300	// Xbee_Check();////XBee should be powered off//////..........DEBUG
harrisjunaid	0:c98a5d4d4855	301	// SafeShutdown = 1;//////////////.............DEBUG
harrisjunaid	0:c98a5d4d4855	302	// deepsleep();
harrisjunaid	0:c98a5d4d4855	303	//SafeShutdown = 0;//////////////////..........DEBUG
harrisjunaid	0:c98a5d4d4855	304
harrisjunaid	0:c98a5d4d4855	305	}
harrisjunaid	0:c98a5d4d4855	306
harrisjunaid	0:c98a5d4d4855	307	void Reading_Handler() {
harrisjunaid	0:c98a5d4d4855	308	pc.printf("\nReading_Handler called GasCounter = %u",GasCounter);//.............DEBUG
harrisjunaid	0:c98a5d4d4855	309	if (GasCounter >= 4) {//Function Internal Check
harrisjunaid	0:c98a5d4d4855	310	XbeeSleep(0);
harrisjunaid	0:c98a5d4d4855	311	wait(5);
harrisjunaid	0:c98a5d4d4855	312	TransmitGasCounter(1);//Readings are above limit SO FORCE TRANSMIT
harrisjunaid	0:c98a5d4d4855	313
harrisjunaid	0:c98a5d4d4855	314	UpdateCounterFile();//Update GasCounter in file (Record is maintained in file to prevent power off data loss)
harrisjunaid	0:c98a5d4d4855	315	}
harrisjunaid	0:c98a5d4d4855	316
harrisjunaid	0:c98a5d4d4855	317
harrisjunaid	0:c98a5d4d4855	318	XbeeSleep(1);
harrisjunaid	0:c98a5d4d4855	319	//SafeShutdown = !SafeShutdown;////LED1//////////.............DEBUG
harrisjunaid	0:c98a5d4d4855	320	//deepsleep();
harrisjunaid	0:c98a5d4d4855	321	}
harrisjunaid	0:c98a5d4d4855	322
harrisjunaid	0:c98a5d4d4855	323	void SensorInput() {
harrisjunaid	0:c98a5d4d4855	324	if ((SensorIn_Filter.read()) == 0) {
harrisjunaid	0:c98a5d4d4855	325	SensorIn_Filter.start();
harrisjunaid	0:c98a5d4d4855	326	CounterIncrement = 1;///////LED2.............DEBUG
harrisjunaid	0:c98a5d4d4855	327	}
harrisjunaid	0:c98a5d4d4855	328	while (1) {
harrisjunaid	0:c98a5d4d4855	329	if ( (SensorIn_Filter.read() ) >= 2) {//Readings within last 2 sec from call are ignored as SensorIn noise
harrisjunaid	0:c98a5d4d4855	330
harrisjunaid	0:c98a5d4d4855	331	GasCounter = GasCounter + 1;//Update Gas Counter as a result of sensor input
harrisjunaid	0:c98a5d4d4855	332	pc.printf("\nSensorInput incremented GasCountre: %u", GasCounter);//////////.........DEBUG
harrisjunaid	0:c98a5d4d4855	333
harrisjunaid	0:c98a5d4d4855	334	SensorIn_Filter.stop();
harrisjunaid	0:c98a5d4d4855	335	SensorIn_Filter.reset();
harrisjunaid	0:c98a5d4d4855	336	CounterIncrement = 0;
harrisjunaid	0:c98a5d4d4855	337	break;
harrisjunaid	0:c98a5d4d4855	338	}
harrisjunaid	0:c98a5d4d4855	339	}
harrisjunaid	0:c98a5d4d4855	340	}
harrisjunaid	0:c98a5d4d4855	341
harrisjunaid	0:c98a5d4d4855	342	int main() {
harrisjunaid	0:c98a5d4d4855	343
harrisjunaid	0:c98a5d4d4855	344	SensorIn.rise(&SensorInput);
harrisjunaid	0:c98a5d4d4855	345	MeterReader_On();
harrisjunaid	0:c98a5d4d4855	346	while (1) {
harrisjunaid	0:c98a5d4d4855	347
harrisjunaid	0:c98a5d4d4855	348	if (GasCounter>=5) {
harrisjunaid	0:c98a5d4d4855	349
harrisjunaid	0:c98a5d4d4855	350	Reading_Handler();
harrisjunaid	0:c98a5d4d4855	351	}
harrisjunaid	0:c98a5d4d4855	352	}
harrisjunaid	0:c98a5d4d4855	353
harrisjunaid	0:c98a5d4d4855	354	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Apr 2012
Imports:	13
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

main.cpp@0:c98a5d4d4855, 2012-04-29 (annotated)

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