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| 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 | /* lib files */ |
25 | /* lib files */ |
| 26 | #include <config.h> |
26 | #include <config.h> |
| 27 | #include <bios.h> |
27 | #include <bios.h> |
| 28 | #include <drivers/timer/timebase.h> |
28 | #include <drivers/timer/timebase.h> |
| 29 | //#include <funcdefs.h> |
29 | //#include <funcdefs.h> |
| 30 | 30 | ||
| 31 | /* defines */ |
31 | /* defines */ |
| 32 | #define RELAY_OFF 0x01 |
32 | #define RELAY_OFF 0x01 |
| 33 | #define RELAY_ON 0x02 |
33 | #define RELAY_ON 0x02 |
| 34 | #define FAILSAFE_MODE 0x0F |
34 | #define FAILSAFE_MODE 0x0F |
| 35 | #define FAILSAFE_TRESHOLD 0xFF /* Degrees when nodeRelay goes into failsafe mode */ |
35 | #define FAILSAFE_TRESHOLD 0xFF /* Degrees when nodeRelay goes into failsafe mode */ |
| 36 | 36 | ||
| 37 | #define RELAY_CMD_ON 0x01 |
37 | #define RELAY_CMD_ON 0x01 |
| 38 | #define RELAY_CMD_OFF 0x02 |
38 | #define RELAY_CMD_OFF 0x02 |
| 39 | #define RELAY_CMD_TOGGLE 0x03 |
39 | #define RELAY_CMD_TOGGLE 0x03 |
| 40 | #define RELAY_CMD_STATUS 0x04 |
40 | #define RELAY_CMD_STATUS 0x04 |
| 41 | #define RELAY_CMD_RESET 0x05 |
41 | #define RELAY_CMD_RESET 0x05 |
| 42 | #define STATUS_SEND_PERIOD 10000UL /* milliseconds */ |
42 | #define STATUS_SEND_PERIOD 10000UL /* milliseconds */ |
| 43 | #define FAILSAFE_SEND_PERIOD 10000UL /* milliseconds */ |
43 | #define FAILSAFE_SEND_PERIOD 10000UL /* milliseconds */ |
| 44 | #define BOUNCE_TIME 10 /* milliseconds */ |
44 | #define BOUNCE_TIME 10 /* milliseconds */ |
| 45 | #define BUTTON1 1 |
45 | #define BUTTON1 1 |
| 46 | #define BUTTON2 2 |
46 | #define BUTTON2 2 |
| - | 47 | ||
| - | 48 | #define THISRELAYID NODE_ID /* application software should not depend on the id of the physical node |
|
| - | 49 | but for now lets do it like this */ |
|
| 47 | 50 | ||
| 48 | #define APP_TYPE CAN_APPTYPES_RELAY |
51 | #define APP_TYPE CAN_APPTYPES_RELAY |
| 49 | #define APP_VERSION 0x0001 |
52 | #define APP_VERSION 0x0001 |
| 50 | 53 | ||
| 51 | /*------------------------------------------------------------------------- |
54 | /*------------------------------------------------------------------------- |
| 52 | * Global variables |
55 | * Global variables |
| 53 | * -----------------------------------------------------------------------*/ |
56 | * -----------------------------------------------------------------------*/ |
| 54 | uint8_t relayStatus, failsafe_flag = 0; |
57 | uint8_t relayStatus, failsafe_flag = 0; |
| 55 | uint32_t boardTemperature = 0; |
58 | uint32_t boardTemperature = 0; |
| 56 | 59 | ||
| 57 | volatile Can_Message_t rxMsg; // Message storage |
60 | volatile Can_Message_t rxMsg; // Message storage |
| 58 | volatile uint8_t rxMsgFull; // Synchronization flag |
61 | volatile uint8_t rxMsgFull; // Synchronization flag |
| 59 | 62 | ||
| 60 | 63 | ||
| 61 | /*---------------------------------------------------------------------------- |
64 | /*---------------------------------------------------------------------------- |
| 62 | * Functions |
65 | * Functions |
| 63 | * -------------------------------------------------------------------------*/ |
66 | * -------------------------------------------------------------------------*/ |
| 64 | uint8_t relayOff(); |
67 | uint8_t relayOff(); |
| 65 | uint8_t relayOn(); |
68 | uint8_t relayOn(); |
| 66 | void relayFailsafe(); |
69 | void relayFailsafe(); |
| 67 | void sendStatus(); |
70 | void sendStatus(); |
| 68 | 71 | ||
| 69 | void can_receive(Can_Message_t *msg) |
72 | void can_receive(Can_Message_t *msg) |
| 70 | { // CAN callback function |
73 | { // CAN callback function |
| 71 | if (!rxMsgFull) { |
74 | if (!rxMsgFull) { |
| 72 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
75 | memcpy((void*)&rxMsg, msg, sizeof(rxMsg)); |
| 73 | rxMsgFull = 1; |
76 | rxMsgFull = 1; |
| 74 | } |
77 | } |
| 75 | } |
78 | } |
| 76 | 79 | ||
| 77 | /*---------------------------------------------------------------------------- |
80 | /*---------------------------------------------------------------------------- |
| 78 | * Interrupt routines // FIXME ordna och testa tryckknappar/rotary encoder |
81 | * Interrupt routines // FIXME ordna och testa tryckknappar/rotary encoder |
| 79 | * -------------------------------------------------------------------------*/ |
82 | * -------------------------------------------------------------------------*/ |
| 80 | #if TWO_BUTTON_MODE |
83 | #if TWO_BUTTON_MODE |
| 81 | ISR( PCINT2_vect ) |
84 | ISR( PCINT2_vect ) |
| 82 | { |
85 | { |
| 83 | 86 | ||
| 84 | } |
87 | } |
| 85 | #endif |
88 | #endif |
| 86 | 89 | ||
| 87 | /*----------------------------------------------------------------------------- |
90 | /*----------------------------------------------------------------------------- |
| 88 | * Main Program |
91 | * Main Program |
| 89 | *---------------------------------------------------------------------------*/ |
92 | *---------------------------------------------------------------------------*/ |
| 90 | int main(void) { |
93 | int main(void) { |
| 91 | 94 | ||
| 92 | uint32_t timeStamp = Timebase_CurrentTime(), temp = timeStamp; |
95 | uint32_t timeStamp = Timebase_CurrentTime(), temp = timeStamp; |
| 93 | 96 | ||
| 94 | adcTemperatureInit(); |
97 | adcTemperatureInit(); |
| 95 | 98 | ||
| 96 | // Set up callback for CAN messages |
99 | // Set up callback for CAN messages |
| 97 | BIOS_CanCallback = &can_receive; |
100 | BIOS_CanCallback = &can_receive; |
| 98 | 101 | ||
| 99 | sei(); |
102 | sei(); |
| 100 | 103 | ||
| 101 | Timebase_Init(); |
104 | Timebase_Init(); |
| 102 | 105 | ||
| 103 | Can_Message_t txMsg; |
106 | Can_Message_t txMsg; |
| 104 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
107 | txMsg.Id = (CAN_NMT_APP_START << CAN_SHIFT_NMT_TYPE) | (NODE_ID << CAN_SHIFT_NMT_SID); |
| 105 | txMsg.DataLength = 4; |
108 | txMsg.DataLength = 4; |
| 106 | txMsg.RemoteFlag = 0; |
109 | txMsg.RemoteFlag = 0; |
| 107 | txMsg.ExtendedFlag = 1; |
110 | txMsg.ExtendedFlag = 1; |
| 108 | txMsg.Data.words[0] = APP_TYPE; |
111 | txMsg.Data.words[0] = APP_TYPE; |
| 109 | txMsg.Data.words[1] = APP_VERSION; |
112 | txMsg.Data.words[1] = APP_VERSION; |
| 110 | BIOS_CanSend(&txMsg); |
113 | BIOS_CanSend(&txMsg); |
| 111 | 114 | ||
| 112 | // Turn relay off |
115 | // Turn relay off |
| 113 | relayStatus = relayOff(); |
116 | relayStatus = relayOff(); |
| 114 | 117 | ||
| 115 | // Main loop |
118 | // Main loop |
| 116 | while (1) { |
119 | while (1) { |
| 117 | 120 | ||
| 118 | temp = Timebase_CurrentTime(); |
121 | temp = Timebase_CurrentTime(); |
| 119 | if( temp - timeStamp >= STATUS_SEND_PERIOD ){ |
122 | if( temp - timeStamp >= STATUS_SEND_PERIOD ){ |
| 120 | timeStamp = temp; |
123 | timeStamp = temp; |
| 121 | // Send relay status to CAN |
124 | // Send relay status to CAN |
| 122 | sendStatus(); |
125 | sendStatus(); |
| 123 | } |
126 | } |
| 124 | 127 | ||
| 125 | if (rxMsgFull) { |
128 | if (rxMsgFull) { |
| 126 | uint8_t acttype; |
129 | uint8_t acttype; |
| 127 | uint16_t |
130 | uint16_t relayid; |
| 128 | 131 | ||
| 129 | if ( ((rxMsg.Id & CAN_MASK_CLASS)>>CAN_SHIFT_CLASS) == CAN_ACT){ |
132 | if ( ((rxMsg.Id & CAN_MASK_CLASS)>>CAN_SHIFT_CLASS) == CAN_ACT){ |
| 130 | // Actuator package |
133 | // Actuator package |
| 131 | acttype =(uint8_t)((rxMsg.Id & |
134 | acttype =(uint8_t)((rxMsg.Id & CAN_MASK_ACT_TYPE) >> CAN_SHIFT_ACT_TYPE); |
| 132 |
|
135 | relayid = (uint16_t)((rxMsg.Id & CAN_MASK_ACT_ID) >> CAN_SHIFT_ACT_ID); |
| 133 | 136 | ||
| 134 | if ((acttype == |
137 | if ((acttype == ACT_TYPE_RELAY) && (relayid == THISRELAYID)) { |
| 135 | // This is a message for this relay |
138 | // This is a message for this relay |
| 136 | if (rxMsg.Data.bytes[0] == RELAY_CMD_RESET) { |
139 | if (rxMsg.Data.bytes[0] == RELAY_CMD_RESET) { |
| 137 | // Return to normal operation |
140 | // Return to normal operation |
| 138 | failsafe_flag = 0; |
141 | failsafe_flag = 0; |
| 139 | } |
142 | } |
| 140 | 143 | ||
| 141 | if (!failsafe_flag) { |
144 | if (!failsafe_flag) { |
| 142 | if (rxMsg.Data.bytes[0] == RELAY_CMD_ON ){ |
145 | if (rxMsg.Data.bytes[0] == RELAY_CMD_ON ){ |
| 143 | // Turn relay on |
146 | // Turn relay on |
| 144 | relayStatus = relayOn(); |
147 | relayStatus = relayOn(); |
| 145 | 148 | ||
| 146 | } else if (rxMsg.Data.bytes[0] == RELAY_CMD_OFF ){ |
149 | } else if (rxMsg.Data.bytes[0] == RELAY_CMD_OFF ){ |
| 147 | // Turn relay off |
150 | // Turn relay off |
| 148 | relayStatus = relayOff(); |
151 | relayStatus = relayOff(); |
| 149 | 152 | ||
| 150 | } else if (rxMsg.Data.bytes[0] == RELAY_CMD_TOGGLE ){ |
153 | } else if (rxMsg.Data.bytes[0] == RELAY_CMD_TOGGLE ){ |
| 151 | // Toggle relay |
154 | // Toggle relay |
| 152 | if(relayStatus == RELAY_OFF){ |
155 | if(relayStatus == RELAY_OFF){ |
| 153 | relayStatus = relayOn(); |
156 | relayStatus = relayOn(); |
| 154 | }else{ |
157 | }else{ |
| 155 | relayStatus = relayOff(); |
158 | relayStatus = relayOff(); |
| 156 | } |
159 | } |
| 157 | 160 | ||
| 158 | }else if(rxMsg.Data.bytes[0] == RELAY_CMD_STATUS ){ |
161 | }else if(rxMsg.Data.bytes[0] == RELAY_CMD_STATUS ){ |
| 159 | // Send relay status to CAN |
162 | // Send relay status to CAN |
| 160 | sendStatus(); |
163 | sendStatus(); |
| 161 | } |
164 | } |
| 162 | } |
165 | } |
| 163 | } |
166 | } |
| 164 | } |
167 | } |
| 165 | rxMsgFull = 0; // |
168 | rxMsgFull = 0; // |
| 166 | 169 | ||
| 167 | } |
170 | } |
| 168 | 171 | ||
| 169 | } |
172 | } |
| 170 | return 0; |
173 | return 0; |
| 171 | } |
174 | } |
| 172 | 175 | ||
| 173 | uint8_t relayOff() |
176 | uint8_t relayOff() |
| 174 | { |
177 | { |
| 175 | // Turn off relay |
178 | // Turn off relay |
| 176 | PORTC &= ~(1<<PC1); |
179 | PORTC &= ~(1<<PC1); |
| 177 | DDRC |= (1<<DDC1); |
180 | DDRC |= (1<<DDC1); |
| 178 | 181 | ||
| 179 | return RELAY_OFF; |
182 | return RELAY_OFF; |
| 180 | } |
183 | } |
| 181 | 184 | ||
| 182 | uint8_t relayOn() |
185 | uint8_t relayOn() |
| 183 | { |
186 | { |
| 184 | // Turn on relay |
187 | // Turn on relay |
| 185 | DDRC &= ~(1<<DDC1); |
188 | DDRC &= ~(1<<DDC1); |
| 186 | PORTC |= (1<<PC1); |
189 | PORTC |= (1<<PC1); |
| 187 | 190 | ||
| 188 | return RELAY_ON; |
191 | return RELAY_ON; |
| 189 | } |
192 | } |
| 190 | 193 | ||
| 191 | void relayFailsafe() |
194 | void relayFailsafe() |
| 192 | { |
195 | { |
| 193 | uint32_t failsafe_timeStamp, temp; |
196 | uint32_t failsafe_timeStamp, temp; |
| 194 | relayStatus = relayOff(); |
197 | relayStatus = relayOff(); |
| 195 | failsafe_flag = 1; |
198 | failsafe_flag = 1; |
| 196 | 199 | ||
| 197 | while(1){ |
200 | while(1){ |
| 198 | 201 | ||
| 199 | if( !failsafe_flag ){ |
202 | if( !failsafe_flag ){ |
| 200 | // Return from failsafe mode |
203 | // Return from failsafe mode |
| 201 | return; |
204 | return; |
| 202 | } |
205 | } |
| 203 | // TODO skicka med period |
206 | // TODO skicka med period |
| 204 | sendStatus( ); |
207 | sendStatus( ); |
| 205 | } |
208 | } |
| 206 | } |
209 | } |
| 207 | 210 | ||
| 208 | void sendStatus() |
211 | void sendStatus() |
| 209 | { |
212 | { |
| 210 | uint32_t temperature; |
213 | uint32_t temperature; |
| 211 | Can_Message_t statusMsg; |
214 | Can_Message_t statusMsg; |
| 212 | statusMsg.RemoteFlag = 0; |
215 | statusMsg.RemoteFlag = 0; |
| 213 | statusMsg.ExtendedFlag = 1; |
216 | statusMsg.ExtendedFlag = 1; |
| 214 | statusMsg.DataLength = 4; |
217 | statusMsg.DataLength = 4; |
| 215 | statusMsg.Id = ( CAN_SNS<<CAN_SHIFT_CLASS )|( |
218 | statusMsg.Id = ( CAN_SNS<<CAN_SHIFT_CLASS )|( SNS_TYPE_RELAY_STATUS<<CAN_SHIFT_ACT_TYPE )|( NODE_ID<<CAN_SHIFT_SNS_SID ); |
| 216 | 219 | ||
| 217 | temperature = getTC1047temperature(); |
220 | temperature = getTC1047temperature(); |
| 218 | if( (int32_t)temperature >= FAILSAFE_TRESHOLD && !failsafe_flag ){ |
221 | if( (int32_t)temperature >= FAILSAFE_TRESHOLD && !failsafe_flag ){ |
| 219 | // Goto failsafe mode |
222 | // Goto failsafe mode |
| 220 | relayFailsafe(); |
223 | relayFailsafe(); |
| 221 | }else{ |
224 | }else{ |
| 222 | // Transmitt node status |
225 | // Transmitt node status |
| 223 | statusMsg.Data.bytes[0] = temperature & 0x00FF; |
226 | statusMsg.Data.bytes[0] = temperature & 0x00FF; |
| 224 | statusMsg.Data.bytes[1] = (temperature & 0xFF00)>>8; |
227 | statusMsg.Data.bytes[1] = (temperature & 0xFF00)>>8; |
| 225 | statusMsg.Data.bytes[2] = relayStatus; |
228 | statusMsg.Data.bytes[2] = relayStatus; |
| 226 | statusMsg.Data.bytes[3] = failsafe_flag; |
229 | statusMsg.Data.bytes[3] = failsafe_flag; |
| 227 | 230 | ||
| 228 | BIOS_CanSend( &statusMsg ); |
231 | BIOS_CanSend( &statusMsg ); |
| 229 | } |
232 | } |
| 230 | } |
233 | } |
| 231 | 234 | ||