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Line 8... Line 8...
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 *   Observera! Applikationen är endast testad på labplatta med m88, pot och lysdiod
 8 
 *   Observera! Applikationen är endast testad på labplatta med m88, pot och lysdiod
9 
 *
 9 
 *
10 
 *   ADC=Vin*1024/Vref
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 *   ADC=Vin*1024/Vref
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 *   Vout=( 10 mV/C )( Temperature C ) + 500 mV
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 *   Vout=( 10 mV/C )( Temperature C ) + 500 mV
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 *
 12 
 *
13 
 *  Transmitts: DATA: <temperature low byte> <temperature high byte> <relay status>
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 *  Transmitts: DATA: <temperature low byte> <temperature high byte> <relay status> <failsafe mode>
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 *
 - 
 
15 
 *  TODO
 - 
 
16 
 *  fixa så adcn inte pollas hela tiden, det tar för mycket tid
 - 
 
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 *  kunna använda Vref = 1.1
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18 
 *
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 *
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 *
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 *
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 */
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 */
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22 
#define DEBUG   0 /* Prints debug messages to uart */
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#define DEBUG   0 /* Prints debug messages to uart */
Line 66... Line 62...
66 
 
 62 
 
67 
    uint8_t relayStatus;
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    uint8_t relayStatus;
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    uint32_t boardTemperature = 0;
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    uint32_t boardTemperature = 0;
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 65 
 
70 
    adcTemperatureInit();
 66 
    adcTemperatureInit();
71 
 
 67 
 
72 
    Timebase_Init();
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    Timebase_Init();
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#if DEBUG
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#if DEBUG
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    Serial_Init();
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    Serial_Init();
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#endif
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#endif
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    sei();
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    sei();
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 73 
 
78 
    /* Turn relay off */
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    /* Turn relay off */
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    relayStatus = relayOff();
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    relayStatus = relayOff();
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 76 
 
81 
#if DEBUG
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#if DEBUG
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    printf("\n------------------------------------------------------------\n");
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    printf("\n------------------------------------------------------------\n");
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    printf(  "   CAN: Relay\n");
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    printf(  "   CAN: Relay\n");
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    printf(  "------------------------------------------------------------\n");
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    printf(  "------------------------------------------------------------\n");
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 81 
 
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    }
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    }
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#else
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#else
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    Can_Init();
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    Can_Init();
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#endif
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#endif
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    uint32_t timeStamp = 0;
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    uint32_t timeStamp = 0;
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 93 
 
98 
    Can_Message_t txMsg;
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    Can_Message_t txMsg;
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    Can_Message_t rxMsg;
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    Can_Message_t rxMsg;
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    txMsg.Id = RELAY_CMD_SEND;
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    txMsg.Id = RELAY_CMD_SEND;
101 
    txMsg.RemoteFlag = 0;
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    txMsg.RemoteFlag = 0;
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    txMsg.ExtendedFlag = 1;
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    txMsg.ExtendedFlag = 1;
103 
    txMsg.DataLength = 3;
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    txMsg.DataLength = 3;
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            if( rxMsg.Id == RELAY_CMD_GET ){
 109 
            if( rxMsg.Id == RELAY_CMD_GET ){
114 
 
 110 
 
115 
                if( rxMsg.Data.bytes[0] == RELAY_CMD_ON ){
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                if( rxMsg.Data.bytes[0] == RELAY_CMD_ON ){
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                    /* Turn relay on */
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                    /* Turn relay on */
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                    relayStatus = relayOn();
 113 
                    relayStatus = relayOn();
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 114 
 
119 
                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_OFF){
 115 
                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_OFF){
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                    /* Turn relay off */
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                    /* Turn relay off */
121 
                    relayStatus = relayOff();
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                    relayStatus = relayOff();
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 118 
 
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                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_TOGGLE ){
 119 
                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_TOGGLE ){
124 
                    /* Toggle relay */
 120 
                    /* Toggle relay */
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 121 
 
126 
                    if(relayStatus == RELAY_OFF){
 122 
                    if(relayStatus == RELAY_OFF){
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                        relayStatus = relayOn();
 123 
                        relayStatus = relayOn();
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                    }else{
 124 
                    }else{
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                        relayStatus = relayOff();
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                        relayStatus = relayOff();
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                    }
 126 
                    }
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 127 
 
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                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_STATUS){
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                }else if(rxMsg.Data.bytes[0] == RELAY_CMD_STATUS){
133 
                    /* Send relay status to CAN */
 129 
                    /* Send relay status to CAN */
134 
 
 130 
 
135 
                    boardTemperature = getTC1047temperature();
 131 
                    boardTemperature = getTC1047temperature();
136 
 
 132 
 
137 
                    if( boardTemperature >= FAILSAFE_TRESHOLD ){
 133 
                    if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
138 
                        relayFailsafe();
 134 
                        relayFailsafe();
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                    }else{
 135 
                    }else{
140 
                        txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
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                        txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
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                        txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
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                        txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
142 
                        txMsg.Data.bytes[2] = relayStatus;
 138 
                        txMsg.Data.bytes[2] = relayStatus;
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 139 
 
144 
                        Can_Send( &txMsg );
 140 
                        Can_Send( &txMsg );
145 
                    }
 141 
                    }
146 
                }
 142 
                }
147 
            }
 143 
            }
148 
        }
 144 
        }
149 
 
 145 
 
150 
        if( Timebase_PassedTimeMillis(timeStamp) >= STATUS_SEND_PERIOD ){
 146 
        if( Timebase_PassedTimeMillis(timeStamp) >= STATUS_SEND_PERIOD ){
151 
            timeStamp = Timebase_CurrentTime();
 147 
            timeStamp = Timebase_CurrentTime();
152 
            /* Send relay status to CAN */
 148 
            /* Send relay status to CAN */
153 
 
 149 
 
154 
            boardTemperature = getTC1047temperature();
 150 
            boardTemperature = getTC1047temperature();
155 
 
 151 
 
156 
            if( boardTemperature >= FAILSAFE_TRESHOLD ){
 152 
            if( (int32_t)boardTemperature >= FAILSAFE_TRESHOLD ){
157 
                relayFailsafe();
 153 
                relayFailsafe();
158 
            }else{
 154 
            }else{
159 
                txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
 155 
                txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
160 
                txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
 156 
                txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
161 
                txMsg.Data.bytes[2] = relayStatus;
 157 
                txMsg.Data.bytes[2] = relayStatus;
Line 174... Line 170...
174 
uint8_t relayOff()
 170 
uint8_t relayOff()
175 
{
 171 
{
176 
    /* Set as output and sink */
 172 
    /* Set as output and sink */
177 
    PORTC &= ~(1<<PC1);
 173 
    PORTC &= ~(1<<PC1);
178 
    DDRC |= (1<<DDC1);
 174 
    DDRC |= (1<<DDC1);
179 
 
 175 
 
180 
#if DEBUG
 176 
#if DEBUG
181 
    printf("relay turned off\n");
 177 
    printf("relay turned off\n");
182 
#endif
 178 
#endif
183 
 
 179 
 
184 
    return RELAY_OFF;
 180 
    return RELAY_OFF;
Line 227... Line 223...
227 
        }
 223 
        }
228 
 
 224 
 
229 
        if( Timebase_PassedTimeMillis(timeStamp) >= FAILSAFE_SEND_PERIOD ){
 225 
        if( Timebase_PassedTimeMillis(timeStamp) >= FAILSAFE_SEND_PERIOD ){
230 
            timeStamp = Timebase_CurrentTime();
 226 
            timeStamp = Timebase_CurrentTime();
231 
            /* Send relay status to CAN */
 227 
            /* Send relay status to CAN */
- 
 
 228 
#if DEBUG
- 
 
 229 
            printf("Failsafe mode!\n");
232 
 
 230 
#endif
233 
            boardTemperature = getTC1047temperature();
 231 
            boardTemperature = getTC1047temperature();
234 
 
 232 
 
235 
            txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
 233 
            txMsg.Data.bytes[0] = boardTemperature & 0x00FF;
236 
            txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
 234 
            txMsg.Data.bytes[1] = (boardTemperature & 0xFF00)>>8;
237 
            txMsg.Data.bytes[2] = relayStatus;
 235 
            txMsg.Data.bytes[2] = relayStatus;