WebSVN – HomeAutomation – Diff – /trunk/EmbeddedSoftware/AVR/CanRelay/main.c


/**
 * CAN Relay.
 *
 *
 * @date    2006-12-17
 * @author  Erik Larsson
 *
 *   ADC=Vin*1024/Vref
 *   Vout=( 10 mV/C )( Temperature C ) + 500 mV
 *
 *  Transmitts: DATA: <temperature low byte> <temperature high byte> <relay status> <failsafe mode>
 *
 *
 */
 
#define TWO_BUTTON_MODE 0 /* If using two (or just one but nothing more) auxiliary buttons */
 
/*-----------------------------------------------------------------------------
 * Includes
 *---------------------------------------------------------------------------*/
/* system files */
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdio.h>
#include <avr/wdt.h>
/* lib files */
#include <bios.h>
#include <tc1047.h>
#include <funcdefs.h>
 
/* defines */
#define GROUP_ID        0x01UL
 
#define RELAY_OFF           0x01UL
#define RELAY_ON            0x02UL
#define FAILSAFE_MODE       0x0FUL
#define FAILSAFE_TRESHOLD   60  /* Degrees when nodeRelay goes into failsafe mode */
 
#define RELAY_CMD_ON        0x01UL
#define RELAY_CMD_OFF       0x02UL
#define RELAY_CMD_TOGGLE    0x03UL
#define RELAY_CMD_STATUS    0x04UL
#define RELAY_CMD_RESET     0x05UL
#define STATUS_SEND_PERIOD  10000 /* milliseconds */
#define FAILSAFE_SEND_PERIOD    10000 /* milliseconds */
#define BOUNCE_TIME         10 /* milliseconds */
#define BUTTON1             1
#define BUTTON2             2
 
/*-------------------------------------------------------------------------
 * Global variables
 * -----------------------------------------------------------------------*/
#if TWO_BUTTON_MODE
Can_Message_t txMsg_Button;
#endif
 
 
uint8_t relayStatus, failsafe_flag = 0;
uint32_t boardTemperature = 0;
Can_Message_t txMsg;
 
/*----------------------------------------------------------------------------
 * Functions
 * -------------------------------------------------------------------------*/
uint8_t relayOff();
uint8_t relayOn();
void relayFailsafe();
 
void can_receive(Can_Message_t *msg){
    uint32_t act;
    uint32_t m, act_type, group, node;
 
    if( ((msg->Id & CLASS_MASK)>>CLASS_MASK_BITS) == CLASS_ACT){
 
        act = (msg->Id & TYPE_MASK) >> TYPE_MASK_BITS;
        act_type = (act & ACT_TYPE_MASK) >> ACT_TYPE_BITS;
        group = (act & ACT_GROUP_MASK) >> ACT_GROUP_BITS;
        node = (act & ACT_NODE_MASK) >> ACT_NODE_BITS;
 
        if( act_type == ACT_TYPE_RELAY && (group == GROUP_ID || node == NODE_ID) ){
            if(msg->Data.bytes[0] == RELAY_CMD_ON && !failsafe_flag){
                // Turn relay on
                relayStatus = relayOn();
 
            }else if(msg->Data.bytes[0] == RELAY_CMD_OFF && !failsafe_flag){
                // Turn relay off
                relayStatus = relayOff();
                txMsg.Id = 0x8000111UL; // FIXME
                bios->can_send(&txMsg);
 
            }else if(msg->Data.bytes[0] == RELAY_CMD_TOGGLE && !failsafe_flag){
                    // Toggle relay
                    if(relayStatus == RELAY_OFF){
                        relayStatus = relayOn();
                    }else{
                        relayStatus = relayOff();
                        txMsg.Id = 0x8000113UL; // FIXME
                        bios->can_send(&txMsg);
                    }
 
            }else if(msg->Data.bytes[0] == RELAY_CMD_STATUS && !failsafe_flag){
                // Send relay status to CAN
                boardTemperature = getTC1047temperature();
 
                if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
                    // Goto failsafe mode
                    relayFailsafe();
                }else{
                    // Transmitt node status
                    txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
                    txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
                    txMsg.Data.bytes[2] = relayStatus;
                    txMsg.Data.bytes[3] = 0;
                    txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )|(NODE_ID);
                    bios->can_send( &txMsg );
                }
            }else if(msg->Data.bytes[0] == RELAY_CMD_RESET){
                // Return to normal operation
                failsafe_flag = 0;
            }
        }
    }
}
 
/*----------------------------------------------------------------------------
 * Interrupt routines // FIXME ordna och testa tryckknappar/rotary encoder
 * -------------------------------------------------------------------------*/
#if TWO_BUTTON_MODE
ISR( PCINT2_vect )
{
    /*
     * Auxiliary button pressed and released
     * Check time between press and release to eliminate bounces
     */
    static uint32_t buttonTime[2];
 
    txMsg_Button.RemoteFlag = 0;
    txMsg_Button.ExtendedFlag = 1;
 
    if( (PIND & (1<<PD6)) == 0){
        /* Button pressed */
        buttonTime[0] = Timebase_CurrentTime();
    }else if( (PIND & (1<<PD6)) == 1){
        if( Timebase_PassedTimeMillis( buttonTime[0] ) >= BOUNCE_TIME ){
            /* No bounce, send message */
            txMsg_Button.Id = BUTTON_ID;
            txMsg_Button.DataLength = 1;
            txMsg_Button.Data.bytes[0] = BUTTON1;
            return;
        }else{
            /* Just bounces, ignore it */
            return;
        }
    }
    if( (PIND & (1<<PD7)) == 0){
        /* Button pressed */
        buttonTime[1] = Timebase_CurrentTime();
    }else if( (PIND & (1<<PD7)) == 1){
        if( Timebase_PassedTimeMillis( buttonTime[1] ) >= BOUNCE_TIME ){
            /* No bounce, send message */
            txMsg_Button.Id = BUTTON_ID;
            txMsg_Button.DataLength = 1;
            txMsg_Button.Data.bytes[0] = BUTTON2;
            return;
        }else{
            /* Just bounces, ignore it */
            return;
        }
    }
}
#endif
 
/*-----------------------------------------------------------------------------
 * Main Program
 *---------------------------------------------------------------------------*/
int main(void) {
 
    adcTemperatureInit();
 
#if TWO_BUTTON_MODE
#error two button mode not yet tested
    /*
     * Initialize buttons
     * It is possible to use ie. sensors instead
     * but then change this
     */
    // Set as input and enable pull-up
    DDRD &= ~( (1<<DDD6)|(1<<DDD7) );
    PORTD |= (1<<PD6)|(1<<PD7);
 
    // Enable IO-pin interrupt
    PCICR |= (1<<PCIE1);
    // Unmask PD6 and PD7
    PCMSK2 |= (1<<PCINT22) | (1<<PCINT23);
#endif
 
    // Control channel for relay
    DDRC |= (1<<DDC1);
 
    // Set up callback for CAN messages
//  bios->can_callback = &can_receive;
 
    txMsg.RemoteFlag = 0;
    txMsg.ExtendedFlag = 1;
    txMsg.DataLength = 4;
 
    sei();
 
    // Turn relay off
    relayStatus = relayOff();
    txMsg.Id = 0x8000110UL; // FIXME
    bios->can_send(&txMsg);
 
    uint32_t timeStamp = bios->timebase_get(), temp;
 
 
    // Main loop
    while (1) {
 
        temp = bios->timebase_get();
        if( temp - timeStamp >= STATUS_SEND_PERIOD ){
            timeStamp = temp;
            // Send relay status to CAN
 
//          boardTemperature = getTC1047temperature();
 
//          if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
//              relayFailsafe();
//          }else{
                txMsg.Data.bytes[0] = timeStamp & 0x000000FF; //boardTemperature & 0x00FF;
                txMsg.Data.bytes[1] = (timeStamp & 0x0000FF00)>>8; //(boardTemperature & 0xFF00)>>8;
                txMsg.Data.bytes[2] = (timeStamp & 0x00FF0000)>>16; //relayStatus;
                txMsg.Data.bytes[3] = (timeStamp & 0xFF000000)>>24; //0;
                txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )|(NODE_ID);
                bios->can_send( &txMsg );
//          }
        }
    }
    return 0;
}
 
uint8_t relayOff()
{
    // Turn off relay
    PORTC &= ~(1<<PC1);
    DDRC |= (1<<DDC1); // FIXME
 
    return RELAY_OFF;
}
 
uint8_t relayOn()
{
    // Turn on relay
    DDRC &= ~(1<<DDC1); // FIXME
    PORTC |= (1<<PC1);
 
    return RELAY_ON;
}
 
void relayFailsafe()
{
    uint32_t timeStamp = 0;
 
    relayStatus = relayOff();
    failsafe_flag = 1;
 
    while(1){
 
        if( !failsafe_flag ){
            // Return from failsafe mode
            return;
        }
 
        if( bios->timebase_get() - timeStamp >= FAILSAFE_SEND_PERIOD ){
            timeStamp = bios->timebase_get();
            // Send relay status to CAN
            boardTemperature = getTC1047temperature();
 
            txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
            txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
            txMsg.Data.bytes[2] = relayStatus;
            txMsg.Data.bytes[3] = FAILSAFE_MODE;
            txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )|(NODE_ID);
 
            bios->can_send( &txMsg );
        }
    }
}
 
 

Rev 352	Rev 354
1	/**	1	/**
2	* CAN Relay.	2	* CAN Relay.
3	*	3	*
4	*	4	*
5	* @date 2006-12-17	5	* @date 2006-12-17
6	* @author Erik Larsson	6	* @author Erik Larsson
7	*	7	*
8	* ADC=Vin*1024/Vref	8	* ADC=Vin*1024/Vref
9	* Vout=( 10 mV/C )( Temperature C ) + 500 mV	9	* Vout=( 10 mV/C )( Temperature C ) + 500 mV
10	*	10	*
11	* Transmitts: DATA: <temperature low byte> <temperature high byte> <relay status> <failsafe mode>	11	* Transmitts: DATA: <temperature low byte> <temperature high byte> <relay status> <failsafe mode>
12	*	12	*
13	*	13	*
14	*/	14	*/
15		15
16	#define TWO_BUTTON_MODE 0 /* If using two (or just one but nothing more) auxiliary buttons */	16	#define TWO_BUTTON_MODE 0 /* If using two (or just one but nothing more) auxiliary buttons */
17		17
18	/*-----------------------------------------------------------------------------	18	/*-----------------------------------------------------------------------------
19	* Includes	19	* Includes
20	---------------------------------------------------------------------------/	20	---------------------------------------------------------------------------/
21	/* system files */	21	/* system files */
22	#include <avr/io.h>	22	#include <avr/io.h>
23	#include <avr/interrupt.h>	23	#include <avr/interrupt.h>
24	#include <stdio.h>	24	#include <stdio.h>
25	#include <avr/wdt.h>	25	#include <avr/wdt.h>
26	/* lib files */	26	/* lib files */
27	#include <bios.h>	27	#include <bios.h>
28	#include <tc1047.h>	28	#include <tc1047.h>
29	#include <funcdefs.h>	29	#include <funcdefs.h>
30		30
31	/* defines */	31	/* defines */
32	#define GROUP_ID 0x01UL	32	#define GROUP_ID 0x01UL
33		33
34	#define RELAY_OFF 0x01UL	34	#define RELAY_OFF 0x01UL
35	#define RELAY_ON 0x02UL	35	#define RELAY_ON 0x02UL
36	#define FAILSAFE_MODE 0x0FUL	36	#define FAILSAFE_MODE 0x0FUL
37	#define FAILSAFE_TRESHOLD 60 /* Degrees when nodeRelay goes into failsafe mode */	37	#define FAILSAFE_TRESHOLD 60 /* Degrees when nodeRelay goes into failsafe mode */
38		38
39	#define RELAY_CMD_ON 0x01UL	39	#define RELAY_CMD_ON 0x01UL
40	#define RELAY_CMD_OFF 0x02UL	40	#define RELAY_CMD_OFF 0x02UL
41	#define RELAY_CMD_TOGGLE 0x03UL	41	#define RELAY_CMD_TOGGLE 0x03UL
42	#define RELAY_CMD_STATUS 0x04UL	42	#define RELAY_CMD_STATUS 0x04UL
43	#define RELAY_CMD_RESET 0x05UL	43	#define RELAY_CMD_RESET 0x05UL
44	#define STATUS_SEND_PERIOD 10000 /* milliseconds */	44	#define STATUS_SEND_PERIOD 10000 /* milliseconds */
45	#define FAILSAFE_SEND_PERIOD 10000 /* milliseconds */	45	#define FAILSAFE_SEND_PERIOD 10000 /* milliseconds */
46	#define BOUNCE_TIME 10 /* milliseconds */	46	#define BOUNCE_TIME 10 /* milliseconds */
47	#define BUTTON1 1	47	#define BUTTON1 1
48	#define BUTTON2 2	48	#define BUTTON2 2
49		49
50	/*-------------------------------------------------------------------------	50	/*-------------------------------------------------------------------------
51	* Global variables	51	* Global variables
52	* -----------------------------------------------------------------------*/	52	* -----------------------------------------------------------------------*/
53	#if TWO_BUTTON_MODE	53	#if TWO_BUTTON_MODE
54	Can_Message_t txMsg_Button;	54	Can_Message_t txMsg_Button;
55	#endif	55	#endif
-		56
56		57
57	uint8_t relayStatus, failsafe_flag = 0;	58	uint8_t relayStatus, failsafe_flag = 0;
58	uint32_t boardTemperature = 0;	59	uint32_t boardTemperature = 0;
59	Can_Message_t txMsg;	60	Can_Message_t txMsg;
60		61
61	/*----------------------------------------------------------------------------	62	/*----------------------------------------------------------------------------
62	* Functions	63	* Functions
63	* -------------------------------------------------------------------------*/	64	* -------------------------------------------------------------------------*/
64	uint8_t relayOff();	65	uint8_t relayOff();
65	uint8_t relayOn();	66	uint8_t relayOn();
66	void relayFailsafe();	67	void relayFailsafe();
67		68
68	void can_receive(Can_Message_t *msg){	69	void can_receive(Can_Message_t *msg){
69	uint32_t act;	70	uint32_t act;
70	uint32_t m, act_type, group, node;	71	uint32_t m, act_type, group, node;
71		72
72	if( ((msg->Id & CLASS_MASK)>>CLASS_MASK_BITS) == CLASS_ACT){	73	if( ((msg->Id & CLASS_MASK)>>CLASS_MASK_BITS) == CLASS_ACT){
73		74
74	act = (msg->Id & TYPE_MASK) >> TYPE_MASK_BITS;	75	act = (msg->Id & TYPE_MASK) >> TYPE_MASK_BITS;
75	act_type = (act & ACT_TYPE_MASK) >> ACT_TYPE_BITS;	76	act_type = (act & ACT_TYPE_MASK) >> ACT_TYPE_BITS;
76	group = (act & ACT_GROUP_MASK) >> ACT_GROUP_BITS;	77	group = (act & ACT_GROUP_MASK) >> ACT_GROUP_BITS;
77	node = (act & ACT_NODE_MASK) >> ACT_NODE_BITS;	78	node = (act & ACT_NODE_MASK) >> ACT_NODE_BITS;
78		79
79	if( act_type == ACT_TYPE_RELAY && (group == GROUP_ID \|\| node == NODE_ID) ){	80	if( act_type == ACT_TYPE_RELAY && (group == GROUP_ID \|\| node == NODE_ID) ){
80	if(msg->Data.bytes[0] == RELAY_CMD_ON && !failsafe_flag){	81	if(msg->Data.bytes[0] == RELAY_CMD_ON && !failsafe_flag){
81	// Turn relay on	82	// Turn relay on
82	relayStatus = relayOn();	83	relayStatus = relayOn();
83		84
84	}else if(msg->Data.bytes[0] == RELAY_CMD_OFF && !failsafe_flag){	85	}else if(msg->Data.bytes[0] == RELAY_CMD_OFF && !failsafe_flag){
85	// Turn relay off	86	// Turn relay off
86	relayStatus = relayOff();	87	relayStatus = relayOff();
87	txMsg.Id = 0x8000111UL; // FIXME	88	txMsg.Id = 0x8000111UL; // FIXME
88	bios->can_send(&txMsg);	89	bios->can_send(&txMsg);
89		90
90	}else if(msg->Data.bytes[0] == RELAY_CMD_TOGGLE && !failsafe_flag){	91	}else if(msg->Data.bytes[0] == RELAY_CMD_TOGGLE && !failsafe_flag){
91	// Toggle relay	92	// Toggle relay
92	if(relayStatus == RELAY_OFF){	93	if(relayStatus == RELAY_OFF){
93	relayStatus = relayOn();	94	relayStatus = relayOn();
94	}else{	95	}else{
95	relayStatus = relayOff();	96	relayStatus = relayOff();
96	txMsg.Id = 0x8000113UL; // FIXME	97	txMsg.Id = 0x8000113UL; // FIXME
97	bios->can_send(&txMsg);	98	bios->can_send(&txMsg);
98	}	99	}
99		100
100	}else if(msg->Data.bytes[0] == RELAY_CMD_STATUS && !failsafe_flag){	101	}else if(msg->Data.bytes[0] == RELAY_CMD_STATUS && !failsafe_flag){
101	// Send relay status to CAN	102	// Send relay status to CAN
102	boardTemperature = getTC1047temperature();	103	boardTemperature = getTC1047temperature();
103		104
104	if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){	105	if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
105	// Goto failsafe mode	106	// Goto failsafe mode
106	relayFailsafe();	107	relayFailsafe();
107	}else{	108	}else{
108	// Transmitt node status	109	// Transmitt node status
109	txMsg.Data.bytes[0] = boardTemperature & 0x00FF;	110	txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
110	txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;	111	txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
111	txMsg.Data.bytes[2] = relayStatus;	112	txMsg.Data.bytes[2] = relayStatus;
112	txMsg.Data.bytes[3] = 0;	113	txMsg.Data.bytes[3] = 0;
113	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);	114	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);
114	bios->can_send( &txMsg );	115	bios->can_send( &txMsg );
115	}	116	}
116	}else if(msg->Data.bytes[0] == RELAY_CMD_RESET){	117	}else if(msg->Data.bytes[0] == RELAY_CMD_RESET){
117	// Return to normal operation	118	// Return to normal operation
118	failsafe_flag = 0;	119	failsafe_flag = 0;
119	}	120	}
120	}	121	}
121	}	122	}
122	}	123	}
123		124
124	/*----------------------------------------------------------------------------	125	/*----------------------------------------------------------------------------
125	* Interrupt routines // FIXME ordna och testa tryckknappar/rotary encoder	126	* Interrupt routines // FIXME ordna och testa tryckknappar/rotary encoder
126	* -------------------------------------------------------------------------*/	127	* -------------------------------------------------------------------------*/
127	#if TWO_BUTTON_MODE	128	#if TWO_BUTTON_MODE
128	ISR( PCINT2_vect )	129	ISR( PCINT2_vect )
129	{	130	{
130	/*	131	/*
131	* Auxiliary button pressed and released	132	* Auxiliary button pressed and released
132	* Check time between press and release to eliminate bounces	133	* Check time between press and release to eliminate bounces
133	*/	134	*/
134	static uint32_t buttonTime[2];	135	static uint32_t buttonTime[2];
135		136
136	txMsg_Button.RemoteFlag = 0;	137	txMsg_Button.RemoteFlag = 0;
137	txMsg_Button.ExtendedFlag = 1;	138	txMsg_Button.ExtendedFlag = 1;
138		139
139	if( (PIND & (1<<PD6)) == 0){	140	if( (PIND & (1<<PD6)) == 0){
140	/* Button pressed */	141	/* Button pressed */
141	buttonTime[0] = Timebase_CurrentTime();	142	buttonTime[0] = Timebase_CurrentTime();
142	}else if( (PIND & (1<<PD6)) == 1){	143	}else if( (PIND & (1<<PD6)) == 1){
143	if( Timebase_PassedTimeMillis( buttonTime[0] ) >= BOUNCE_TIME ){	144	if( Timebase_PassedTimeMillis( buttonTime[0] ) >= BOUNCE_TIME ){
144	/* No bounce, send message */	145	/* No bounce, send message */
145	txMsg_Button.Id = BUTTON_ID;	146	txMsg_Button.Id = BUTTON_ID;
146	txMsg_Button.DataLength = 1;	147	txMsg_Button.DataLength = 1;
147	txMsg_Button.Data.bytes[0] = BUTTON1;	148	txMsg_Button.Data.bytes[0] = BUTTON1;
148	return;	149	return;
149	}else{	150	}else{
150	/* Just bounces, ignore it */	151	/* Just bounces, ignore it */
151	return;	152	return;
152	}	153	}
153	}	154	}
154	if( (PIND & (1<<PD7)) == 0){	155	if( (PIND & (1<<PD7)) == 0){
155	/* Button pressed */	156	/* Button pressed */
156	buttonTime[1] = Timebase_CurrentTime();	157	buttonTime[1] = Timebase_CurrentTime();
157	}else if( (PIND & (1<<PD7)) == 1){	158	}else if( (PIND & (1<<PD7)) == 1){
158	if( Timebase_PassedTimeMillis( buttonTime[1] ) >= BOUNCE_TIME ){	159	if( Timebase_PassedTimeMillis( buttonTime[1] ) >= BOUNCE_TIME ){
159	/* No bounce, send message */	160	/* No bounce, send message */
160	txMsg_Button.Id = BUTTON_ID;	161	txMsg_Button.Id = BUTTON_ID;
161	txMsg_Button.DataLength = 1;	162	txMsg_Button.DataLength = 1;
162	txMsg_Button.Data.bytes[0] = BUTTON2;	163	txMsg_Button.Data.bytes[0] = BUTTON2;
163	return;	164	return;
164	}else{	165	}else{
165	/* Just bounces, ignore it */	166	/* Just bounces, ignore it */
166	return;	167	return;
167	}	168	}
168	}	169	}
169	}	170	}
170	#endif	171	#endif
171		172
172	/*-----------------------------------------------------------------------------	173	/*-----------------------------------------------------------------------------
173	* Main Program	174	* Main Program
174	---------------------------------------------------------------------------/	175	---------------------------------------------------------------------------/
175	int main(void) {	176	int main(void) {
176		177
177	adcTemperatureInit();	178	adcTemperatureInit();
178		179
179	#if TWO_BUTTON_MODE	180	#if TWO_BUTTON_MODE
180	#error two button mode not yet tested	181	#error two button mode not yet tested
181	/*	182	/*
182	* Initialize buttons	183	* Initialize buttons
183	* It is possible to use ie. sensors instead	184	* It is possible to use ie. sensors instead
184	* but then change this	185	* but then change this
185	*/	186	*/
186	// Set as input and enable pull-up	187	// Set as input and enable pull-up
187	DDRD &= ~( (1<<DDD6)\|(1<<DDD7) );	188	DDRD &= ~( (1<<DDD6)\|(1<<DDD7) );
188	PORTD \|= (1<<PD6)\|(1<<PD7);	189	PORTD \|= (1<<PD6)\|(1<<PD7);
189		190
190	// Enable IO-pin interrupt	191	// Enable IO-pin interrupt
191	PCICR \|= (1<<PCIE1);	192	PCICR \|= (1<<PCIE1);
192	// Unmask PD6 and PD7	193	// Unmask PD6 and PD7
193	PCMSK2 \|= (1<<PCINT22) \| (1<<PCINT23);	194	PCMSK2 \|= (1<<PCINT22) \| (1<<PCINT23);
194	#endif	195	#endif
195		196
196	// Control channel for relay	197	// Control channel for relay
197	DDRC \|= (1<<DDC1);	198	DDRC \|= (1<<DDC1);
198		199
199	// Set up callback for CAN messages	200	// Set up callback for CAN messages
200	bios->can_callback = &can_receive;	201	// bios->can_callback = &can_receive;
201		202
202	txMsg.RemoteFlag = 0;	203	txMsg.RemoteFlag = 0;
203	txMsg.ExtendedFlag = 1;	204	txMsg.ExtendedFlag = 1;
204	txMsg.DataLength = 4;	205	txMsg.DataLength = 4;
205		206
206	sei();	207	sei();
207		208
208	// Turn relay off	209	// Turn relay off
209	relayStatus = relayOff();	210	relayStatus = relayOff();
210	txMsg.Id = 0x8000110UL; // FIXME	211	txMsg.Id = 0x8000110UL; // FIXME
211	bios->can_send(&txMsg);	212	bios->can_send(&txMsg);
212		213
213	uint32_t timeStamp = 0;	214	uint32_t timeStamp = bios->timebase_get(), temp;
214		215
215		216
216	// Main loop	217	// Main loop
217	while (1) {	218	while (1) {
218		219
-		220	temp = bios->timebase_get();
219	if( ~~bios->timebase_get()~~ - timeStamp >= STATUS_SEND_PERIOD ){	221	if( temp - timeStamp >= STATUS_SEND_PERIOD ){
220	timeStamp = ~~bios->timebase_get()~~;	222	timeStamp = temp;
221	// Send relay status to CAN	223	// Send relay status to CAN
222		224
223	boardTemperature = getTC1047temperature();	225	// boardTemperature = getTC1047temperature();
224		226
225	if~~( (~~int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){	227	// if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
226	relayFailsafe();	228	// relayFailsafe();
227	}else{	229	// }else{
228	txMsg.Data.bytes[0] = ~~boardTemperature~~ & 0x00FF;	230	txMsg.Data.bytes[0] = timeStamp & 0x000000FF; //boardTemperature & 0x00FF;
229	txMsg.Data.bytes[1] = (~~boardTemperature &~~ ~~0xFF00~~)>>8;	231	txMsg.Data.bytes[1] = (timeStamp & 0x0000FF00)>>8; //(boardTemperature & 0xFF00)>>8;
230	txMsg.Data.bytes[2] = ~~relayStatus~~;	232	txMsg.Data.bytes[2] = (timeStamp & 0x00FF0000)>>16; //relayStatus;
231	txMsg.Data.bytes[3] = 0;	233	txMsg.Data.bytes[3] = (timeStamp & 0xFF000000)>>24; //0;
232	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);	234	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);
233	bios->can_send( &txMsg );	235	bios->can_send( &txMsg );
234	}	236	// }
235	}	237	}
236	}	238	}
237	return 0;	239	return 0;
238	}	240	}
239		241
240	uint8_t relayOff()	242	uint8_t relayOff()
241	{	243	{
242	// Turn off relay	244	// Turn off relay
243	PORTC &= ~(1<<PC1);	245	PORTC &= ~(1<<PC1);
244	DDRC \|= (1<<DDC1); // FIXME	246	DDRC \|= (1<<DDC1); // FIXME
245		247
246	return RELAY_OFF;	248	return RELAY_OFF;
247	}	249	}
248		250
249	uint8_t relayOn()	251	uint8_t relayOn()
250	{	252	{
251	// Turn on relay	253	// Turn on relay
252	DDRC &= ~(1<<DDC1); // FIXME	254	DDRC &= ~(1<<DDC1); // FIXME
253	PORTC \|= (1<<PC1);	255	PORTC \|= (1<<PC1);
254		256
255	return RELAY_ON;	257	return RELAY_ON;
256	}	258	}
257		259
258	void relayFailsafe()	260	void relayFailsafe()
259	{	261	{
260	uint32_t timeStamp = 0;	262	uint32_t timeStamp = 0;
261		263
262	relayStatus = relayOff();	264	relayStatus = relayOff();
263	failsafe_flag = 1;	265	failsafe_flag = 1;
264		266
265	while(1){	267	while(1){
266		268
267	if( !failsafe_flag ){	269	if( !failsafe_flag ){
268	// Return from failsafe mode	270	// Return from failsafe mode
269	return;	271	return;
270	}	272	}
271		273
272	if( bios->timebase_get() - timeStamp >= FAILSAFE_SEND_PERIOD ){	274	if( bios->timebase_get() - timeStamp >= FAILSAFE_SEND_PERIOD ){
273	timeStamp = bios->timebase_get();	275	timeStamp = bios->timebase_get();
274	// Send relay status to CAN	276	// Send relay status to CAN
275	boardTemperature = getTC1047temperature();	277	boardTemperature = getTC1047temperature();
276		278
277	txMsg.Data.bytes[0] = boardTemperature & 0x00FF;	279	txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
278	txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;	280	txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
279	txMsg.Data.bytes[2] = relayStatus;	281	txMsg.Data.bytes[2] = relayStatus;
280	txMsg.Data.bytes[3] = FAILSAFE_MODE;	282	txMsg.Data.bytes[3] = FAILSAFE_MODE;
281	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);	283	txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )\|( SNS_ACT_STATUS_RELAY<<TYPE_MASK_BITS )\|(NODE_ID);
282		284
283	bios->can_send( &txMsg );	285	bios->can_send( &txMsg );
284	}	286	}
285	}	287	}
286	}	288	}
287		289
288		290

Subversion Repositories HomeAutomation

(root)/trunk/EmbeddedSoftware/AVR/CanRelay/main.c @ 355 – Rev 352 → 354