WebSVN – HomeAutomation – Blame – /trunk/EmbeddedSoftware/PIC/canFreezer/Source/Main.c

Rev	Author	Line No.	Line
129	johboh	1	/*********************************************************************
		2	*
		3	* Main application
		4	*
		5	*********************************************************************
		6	* FileName: $HeadURL: https://svn.auml.se/svn/HomeAutomation/trunk/EmbeddedSoftware/PIC/canFreezer/Source/Main.c $
		7	* Last changed: $LastChangedDate: 2007-01-28 14:58:11 +0100 (Sun, 28 Jan 2007) $
		8	* By: $LastChangedBy: johboh $
		9	* Revision: $Revision: 260 $
		10	********************************************************************/
		11
		12
		13	#include <compiler.h>
		14	#include <stackTasks.h>
		15	#include <Tick.h>
		16	#include <funcdefs.h>
260	johboh	17	#include <CAN.h>
129	johboh	18
		19
141	johboh	20	#ifdef USE_ADC
		21	#include <adc.h>
		22	#endif
		23
129	johboh	24	static void mainInit(void);
		25
		26
		27	void main()
		28	{
		29	static TICK t = 0;
		30	CAN_MESSAGE outCm;
		31
		32	// Inits
		33	mainInit();
260	johboh	34	canInit();
129	johboh	35
141	johboh	36	#ifdef USE_ADC
		37	adcInit(TRUE,0b1011);
		38	#endif
		39
129	johboh	40	while(1)
		41	{
		42	static TICK t = 0;
141	johboh	43	static TICK temperature = 0;
		44	static BYTE lastTemperature = TEMPERATURE_FREEZER;
		45	static BYTE lastFreezerDoor = DOOR_CLOSED;
		46	static BYTE lastRefrigeratorDoor = DOOR_CLOSED;
129	johboh	47
141	johboh	48
		49	//Poll doors freezer door
		50	if (lastFreezerDoor!=DOOR_FREEZER_IO)
		51	{
		52	lastFreezerDoor=DOOR_FREEZER_IO;
		53	// Send door status change
		54	outCm.funct = FUNCT_SENSORS;
		55	outCm.funcc = FUNCC_SENSORS_DOORS_FREEZER;
		56	outCm.data_length = 1;
		57	outCm.data[0] = (lastFreezerDoor==DOOR_OPEN?0:1);
		58	while(!canSendMessage(outCm,PRIO_HIGH));
		59	}
		60
		61	//Poll doors refrigerator door
		62	if (lastRefrigeratorDoor!=DOOR_REFRIGERATOR_IO)
		63	{
		64	lastRefrigeratorDoor=DOOR_REFRIGERATOR_IO;
		65	// Send door status change
		66	outCm.funct = FUNCT_SENSORS;
		67	outCm.funcc = FUNCC_SENSORS_DOORS_REFRIGERATOR;
		68	outCm.data_length = 1;
		69	outCm.data[0] = (lastRefrigeratorDoor==DOOR_OPEN?0:1);
		70	while(!canSendMessage(outCm,PRIO_HIGH));
		71	}
		72
129	johboh	73	if ((tickGet()-t)>TICK_SECOND)
		74	{
		75	LED0_IO=~LED0_IO;
		76	t = tickGet();
		77	}
141	johboh	78
		79	#ifdef USE_ADC
		80	if ((tickGet()-temperature)>TICK_SECOND*2) // Each 2 second, read temperature.
		81	{
		82	if (lastTemperature==TEMPERATURE_FREEZER) lastTemperature=TEMPERATURE_REFRIGERATOR; else lastTemperature=TEMPERATURE_FREEZER;
		83	adcConvert(lastTemperature);
		84	temperature = tickGet();
		85	}
		86	#endif
		87
		88
		89	#ifdef USE_ADC
		90	if (adcDone()) // Has temperature, send it to the bus
		91	{
		92	BYTE decimal;
		93	signed char tenth;
		94	temperatureRead(&tenth,&decimal);
		95
		96	outCm.funct = FUNCT_SENSORS;
		97	outCm.funcc = (lastTemperature==TEMPERATURE_FREEZER?FUNCC_SENSORS_TEMPERATURE_FREEZER:FUNCC_SENSORS_TEMPERATURE_REFRIGERATOR);
		98	outCm.data_length = 2;
		99	outCm.data[1] = tenth; // signed 10 an 1 decimal.
		100	outCm.data[0] = decimal; // Decimal value, 0-9
		101	while(!canSendMessage(outCm,PRIO_HIGH));
		102	}
		103	#endif
		104
129	johboh	105	}
		106	}
		107
		108
		109	#pragma interrupt high_isr
		110	void high_isr(void)
		111	{
260	johboh	112	canISR();
129	johboh	113	}
		114
		115
		116	#pragma interrupt low_isr
		117	void low_isr(void)
		118	{
141	johboh	119	#ifdef USE_ADC
		120	adcISR();
		121	#endif
129	johboh	122	}
		123
		124
		125
		126	/*
		127	* Function: mainInit
		128	*
		129	* Input: none
		130	* Output: none
		131	* Pre-conditions: none
		132	* Affects: Se code
		133	* Depends: none.
		134	*/
		135	void mainInit()
		136	{
		137	LED0_TRIS=0;
		138
141	johboh	139	DOOR_FREEZER_TRIS=1;
		140	DOOR_REFRIGERATOR_TRIS=1;
		141
129	johboh	142	// Enable Interrupts
		143	INTCONbits.GIEH = 1;
		144	INTCONbits.GIEL = 1;
		145
		146	// Enable interrupt prirority
		147	RCONbits.IPEN=1;
		148
		149
		150	}
		151
		152	/*
		153	* Function: canParse
		154	*
		155	* Input: Received can message
		156	* Output: none
		157	* Pre-conditions: canInit and received packet.
		158	* Affects: Sensors/actuators/etc. See code.
		159	* Depends: none.
		160	*/
		161	void canParse(CAN_MESSAGE cm)
		162	{
		163	CAN_MESSAGE outCm;
		164	}
		165
		166
		167	// Below are mandantory when using bootloader
		168	// define DEBUG_MODE to use without bootloader.
		169
		170	#ifndef DEBUG_MODE
		171	extern void _startup (void);
		172	#pragma code _RESET_INTERRUPT_VECTOR = 0x001000
		173	void _reset (void)
		174	{
		175	_asm goto _startup _endasm
		176	}
		177	#pragma code
		178	#endif
		179
		180	#pragma code _HIGH_INTERRUPT_VECTOR = 0x001008
		181	void _high_ISR (void)
		182	{
		183	_asm GOTO high_isr _endasm
		184	}
		185	#pragma code
		186
		187	#pragma code _LOW_INTERRUPT_VECTOR = 0x001018
		188	void _low_ISR (void)
		189	{
		190	_asm GOTO low_isr _endasm
		191	}
		192	#pragma code

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