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  1.  
  2. #include "sns_irTransceive.h"
  3.  
  4. #if IR_RX_ENABLE==1
  5. struct {
  6.     uint8_t             state;
  7.     uint8_t             newData;
  8.     uint16_t            *rxbuf;
  9.     uint8_t             rxlen;
  10.     uint8_t             timerNum;
  11.     Ir_Protocol_Data_t  proto;
  12. } irRxChannel[sns_irTransceive_SUPPORTED_NUM_CHANNELS];
  13. #endif
  14.  
  15. #if IR_TX_ENABLE==1
  16. struct {
  17.     uint8_t             state;
  18.     uint8_t             sendComplete;
  19.     uint16_t            *txbuf;
  20.     uint8_t             txlen;
  21.     uint8_t             timerNum;
  22.     uint8_t             repeatCount;
  23.     uint8_t             stopSend;
  24.     Ir_Protocol_Data_t  proto;
  25. } irTxChannel[sns_irTransceive_SUPPORTED_NUM_CHANNELS];
  26. #endif
  27.  
  28. uint16_t    buf[2][MAX_NR_TIMES];
  29.  
  30. StdCan_Msg_t        irTxMsg;
  31.  
  32. #if (sns_irTransceive_SEND_DEBUG==1)
  33. void send_debug(uint16_t *buffer, uint8_t len) {
  34.     StdCan_Msg_t dbgIrTxMsg;
  35.     /* the protocol is unknown so the raw ir-data is sent, makes it easier to develop a new protocol */
  36.  
  37.     StdCan_Set_class(dbgIrTxMsg.Header, CAN_MODULE_CLASS_SNS);
  38.     StdCan_Set_direction(dbgIrTxMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  39.     dbgIrTxMsg.Length = 8;
  40.     dbgIrTxMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  41.     dbgIrTxMsg.Header.ModuleId = sns_irTransceive_ID;
  42.     dbgIrTxMsg.Header.Command = CAN_MODULE_CMD_IRTRANSCEIVE_IRRAW;
  43.     for (uint8_t i = 0; i < len>>2; i++) {
  44.         uint8_t index = i<<2;
  45.  
  46.         dbgIrTxMsg.Data[0] = (buffer[index]>>8)&0xff;
  47.         dbgIrTxMsg.Data[1] = (buffer[index]>>0)&0xff;
  48.         dbgIrTxMsg.Data[2] = (buffer[index+1]>>8)&0xff;
  49.         dbgIrTxMsg.Data[3] = (buffer[index+1]>>0)&0xff;
  50.         dbgIrTxMsg.Data[4] = (buffer[index+2]>>8)&0xff;
  51.         dbgIrTxMsg.Data[5] = (buffer[index+2]>>0)&0xff;
  52.         dbgIrTxMsg.Data[6] = (buffer[index+3]>>8)&0xff;
  53.         dbgIrTxMsg.Data[7] = (buffer[index+3]>>0)&0xff;
  54.                
  55.         /* buffers will be filled when sending more than 2-3 messages, so retry until sent */
  56.         while (StdCan_Put(&dbgIrTxMsg) != StdCan_Ret_OK) {}
  57.         _delay_ms(1);
  58.     }
  59.    
  60.     uint8_t lastpacketcnt = len&0x03;
  61.     if (lastpacketcnt > 0) {
  62.         dbgIrTxMsg.Length = lastpacketcnt<<1;
  63.         for (uint8_t i = 0; i < lastpacketcnt; i++) {
  64.             dbgIrTxMsg.Data[i<<1] = (buffer[(len&0xfc)|i]>>8)&0xff;
  65.             dbgIrTxMsg.Data[(i<<1)+1] = (buffer[(len&0xfc)|i]>>0)&0xff;
  66.         }
  67.         /* buffers will be filled when sending more than 2-3 messages, so retry until sent */
  68.         while (StdCan_Put(&dbgIrTxMsg) != StdCan_Ret_OK) {}
  69.         _delay_ms(1);
  70.     }
  71.  
  72. }
  73. #endif
  74.  
  75. #if IR_RX_ENABLE==1
  76. void sns_irTransceive_RX_done_callback(uint8_t channel, uint16_t *buffer, uint8_t len)
  77. {
  78.     if (channel < sns_irTransceive_SUPPORTED_NUM_CHANNELS)
  79.     {
  80.         irRxChannel[channel].newData = TRUE;
  81.         irRxChannel[channel].rxlen = len;
  82.     }
  83. }
  84. #endif
  85.  
  86. void sns_irTransceive_TX_done_callback(uint8_t channel)
  87. {
  88.     if (channel < sns_irTransceive_SUPPORTED_NUM_CHANNELS)
  89.     {
  90.         irTxChannel[channel].sendComplete = TRUE;
  91.     }
  92. }
  93.  
  94. void sns_irTransceive_Init(void)
  95. {
  96. gpio_set_out(EXP_A);
  97. gpio_set_pin(EXP_A);
  98.     StdCan_Set_class(irTxMsg.Header, CAN_MODULE_CLASS_SNS);
  99.     StdCan_Set_direction(irTxMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  100.     irTxMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  101.     irTxMsg.Header.ModuleId = sns_irTransceive_ID;
  102.     irTxMsg.Header.Command = CAN_MODULE_CMD_PHYSICAL_IR;
  103.     irTxMsg.Length = 6;
  104.  
  105.     for (uint8_t i = 0; i < sns_irTransceive_SUPPORTED_NUM_CHANNELS; i++)
  106.     {
  107. #if IR_RX_ENABLE==1
  108.         irRxChannel[i].state = sns_irTransceive_STATE_RECEIVING;
  109.         irRxChannel[i].newData = FALSE;
  110.         irRxChannel[i].rxlen = 0;
  111.         irRxChannel[i].proto.timeout=0;
  112.         irRxChannel[i].proto.data=0;
  113.         irRxChannel[i].proto.repeats=0;
  114.         irRxChannel[i].proto.protocol=0;
  115. #endif
  116.  
  117. #if IR_TX_ENABLE==1
  118.         irTxChannel[i].state = sns_irTransceive_STATE_IDLE;
  119.         irTxChannel[i].sendComplete = FALSE;
  120.         irTxChannel[i].repeatCount = 0;
  121.         irTxChannel[i].txlen = 0;
  122.         irTxChannel[i].proto.data=0;
  123.         irTxChannel[i].proto.repeats=0;
  124.         irTxChannel[i].proto.framecnt=0;
  125.         irTxChannel[i].proto.protocol=0;
  126. #endif
  127.     }
  128.    
  129. #if IR_RX_ENABLE==1
  130.     irRxChannel[0].timerNum=sns_irTransceive_RX0_REPEATE_TIMER;
  131.     irRxChannel[1].timerNum=sns_irTransceive_RX1_REPEATE_TIMER;
  132.     irRxChannel[2].timerNum=sns_irTransceive_RX2_REPEATE_TIMER;
  133. #endif
  134.  
  135. #if IR_TX_ENABLE==1
  136.     irTxChannel[0].timerNum=sns_irTransceive_TX0_REPEATE_TIMER;
  137.     irTxChannel[1].timerNum=sns_irTransceive_TX1_REPEATE_TIMER;
  138.     irTxChannel[2].timerNum=sns_irTransceive_TX2_REPEATE_TIMER;
  139. #endif
  140.    
  141.     IrTransceiver_Init();
  142.     gpio_set_out(sns_irTransceive_VCC_EN0_PIN);
  143.     gpio_set_out(sns_irTransceive_VCC_EN1_PIN);
  144.     gpio_set_out(sns_irTransceive_VCC_EN2_PIN);
  145.     gpio_set_pin(sns_irTransceive_VCC_EN0_PIN);
  146.     gpio_set_pin(sns_irTransceive_VCC_EN1_PIN);
  147.     gpio_set_pin(sns_irTransceive_VCC_EN2_PIN);
  148.  
  149. #if IR_RX_ENABLE==1
  150.     irRxChannel[0].rxbuf = buf[0];
  151.     IrTransceiver_InitRxChannel(0, irRxChannel[0].rxbuf, sns_irTransceive_RX_done_callback, sns_irTransceive_RX0_PCINT, sns_irTransceive_RX0_PIN);
  152. #endif
  153.  
  154. #if IR_TX_ENABLE==1
  155.     gpio_set_out(sns_irTransceive_MOD_PIN);
  156.     gpio_set_out(sns_irTransceive_TX0_PIN);
  157.     gpio_set_out(sns_irTransceive_TX1_PIN);
  158.     gpio_set_out(sns_irTransceive_TX2_PIN);
  159.     gpio_set_pin(sns_irTransceive_TX0_PIN);
  160.     gpio_set_pin(sns_irTransceive_TX1_PIN);
  161.     gpio_set_pin(sns_irTransceive_TX2_PIN);
  162.  
  163.     irTxChannel[0].txbuf = buf[1];
  164.     IrTransceiver_InitTxChannel(0, sns_irTransceive_TX_done_callback, sns_irTransceive_TX0_PIN);
  165. #endif
  166.  
  167. }
  168.  
  169. void sns_irTransceive_Process(void)
  170. {
  171.     for (uint8_t channel=0; channel < sns_irTransceive_SUPPORTED_NUM_CHANNELS; channel++)
  172.     {
  173. //gpio_toggle_pin(EXP_A);
  174.  
  175. #if IR_RX_ENABLE==1
  176.         switch (irRxChannel[channel].state)
  177.         {
  178.         case sns_irTransceive_STATE_IDLE:
  179.             irRxChannel[channel].state = sns_irTransceive_STATE_START_RECEIVE;
  180.             break;
  181.  
  182.         case sns_irTransceive_STATE_START_RECEIVE:
  183.             IrTransceiver_ResetRx(channel);
  184.             cli();
  185.             irRxChannel[channel].newData = FALSE;
  186.             sei();
  187.             irRxChannel[channel].state = sns_irTransceive_STATE_RECEIVING;
  188.             break;
  189.        
  190.         case sns_irTransceive_STATE_RECEIVING:
  191.             if (irRxChannel[channel].newData == TRUE) {
  192.                 //TODO: move this line to the RX callback
  193.                 IrTransceiver_DisableRx(channel);
  194.                 cli();
  195.                 irRxChannel[channel].newData = FALSE;
  196.                 sei();
  197.  
  198.                 /* Let protocol driver parse and then send on CAN */
  199.                 uint8_t res2 = parseProtocol(irRxChannel[channel].rxbuf, irRxChannel[channel].rxlen, &irRxChannel[channel].proto);
  200.                 if (res2 == IR_OK && irRxChannel[channel].proto.protocol != IR_PROTO_UNKNOWN) {
  201.                     irTxMsg.Data[0] = 0xf&CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_PRESSED;
  202.                     irTxMsg.Data[0] |= channel<<4;
  203.                     irTxMsg.Data[1] = irRxChannel[channel].proto.protocol;
  204.                     irTxMsg.Data[2] = (irRxChannel[channel].proto.data>>24)&0xff;
  205.                     irTxMsg.Data[3] = (irRxChannel[channel].proto.data>>16)&0xff;
  206.                     irTxMsg.Data[4] = (irRxChannel[channel].proto.data>>8)&0xff;
  207.                     irTxMsg.Data[5] = irRxChannel[channel].proto.data&0xff;
  208.  
  209.                     StdCan_Put(&irTxMsg);
  210.                 }
  211.                 else if (irRxChannel[channel].proto.protocol == IR_PROTO_UNKNOWN)
  212.                 {
  213. #if (sns_irTransceive_SEND_DEBUG==1)
  214.                     send_debug(irRxChannel[channel].rxbuf, irRxChannel[channel].rxlen);
  215.                     irRxChannel[channel].proto.timeout=300;
  216. #endif
  217.                 }
  218.                
  219.                 /* Enable the receiver again */
  220.                 IrTransceiver_EnableRx(channel);
  221.                
  222.                 irRxChannel[channel].state = sns_irTransceive_STATE_START_PAUSE;
  223.             }
  224.             break;
  225.  
  226.         case sns_irTransceive_STATE_START_PAUSE:
  227.             /* set a timer so we can send release button event when no new IR is arriving */
  228.             Timer_SetTimeout(irRxChannel[channel].timerNum, irRxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  229.             irRxChannel[channel].state = sns_irTransceive_STATE_PAUSING;
  230.             break;
  231.  
  232.         case sns_irTransceive_STATE_PAUSING:
  233.             /* reset timer if new IR arrived */
  234.             if (irRxChannel[channel].newData == TRUE || IrTransceiver_GetStoreEnableRx(channel) == TRUE) {
  235.                 cli();
  236.                 irRxChannel[channel].newData = FALSE;
  237.                 sei();
  238.                 Timer_SetTimeout(irRxChannel[channel].timerNum, irRxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  239.             }
  240.        
  241.             if (Timer_Expired(irRxChannel[channel].timerNum)) {
  242.                 irRxChannel[channel].state = sns_irTransceive_STATE_START_IDLE;
  243.             }
  244.             break;
  245.  
  246.         case sns_irTransceive_STATE_START_IDLE:
  247.             if (irRxChannel[channel].proto.protocol != IR_PROTO_UNKNOWN) {
  248.                 /* Send button release command on CAN */
  249.                 irTxMsg.Data[0] = 0xf&CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_RELEASED;
  250.                 irTxMsg.Data[0] |= channel<<4;
  251.                 irTxMsg.Data[1] = irRxChannel[channel].proto.protocol;
  252.                 irTxMsg.Data[2] = (irRxChannel[channel].proto.data>>24)&0xff;
  253.                 irTxMsg.Data[3] = (irRxChannel[channel].proto.data>>16)&0xff;
  254.                 irTxMsg.Data[4] = (irRxChannel[channel].proto.data>>8)&0xff;
  255.                 irTxMsg.Data[5] = irRxChannel[channel].proto.data&0xff;
  256.  
  257.                 StdCan_Put(&irTxMsg);
  258.             }
  259.             irRxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  260.             break;
  261.         }
  262. #endif
  263.  
  264. #if IR_TX_ENABLE==1
  265.         switch (irTxChannel[channel].state)
  266.         {
  267.         case sns_irTransceive_STATE_IDLE:
  268.             /* transmission is started when a command is received on can */
  269.             break;
  270.  
  271.         case sns_irTransceive_STATE_START_TRANSMIT:
  272. //      printf("1\n");
  273.             if (expandProtocol(irTxChannel[channel].txbuf, &irTxChannel[channel].txlen, &irTxChannel[channel].proto) == IR_OK)
  274.             {
  275.                 IrTransceiver_Transmit(channel, irTxChannel[channel].txbuf, irTxChannel[channel].txlen);
  276.                 irTxChannel[channel].state = sns_irTransceive_STATE_TRANSMITTING;
  277. //      printf("2\n");
  278.             }
  279.             else
  280.             {
  281.                 irTxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  282.             }
  283.             break;
  284.        
  285.         case sns_irTransceive_STATE_TRANSMITTING:
  286.             if (irTxChannel[channel].sendComplete == TRUE)
  287.             {
  288.                 cli();
  289.                 irTxChannel[channel].sendComplete = FALSE;
  290.                 sei();
  291.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_PAUSE;
  292. //      printf("3\n");
  293.             }
  294.             break;
  295.  
  296.         case sns_irTransceive_STATE_START_PAUSE:
  297.             if (irTxChannel[channel].repeatCount < irTxChannel[channel].proto.repeats)
  298.             {
  299.                 irTxChannel[channel].repeatCount++;
  300.             }
  301.            
  302.             Timer_SetTimeout(irTxChannel[channel].timerNum, irTxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  303.  
  304.             if (irTxChannel[channel].proto.framecnt != 255)
  305.             {
  306.                 irTxChannel[channel].proto.framecnt++;
  307.             }
  308.            
  309.             irTxChannel[channel].state = sns_irTransceive_STATE_PAUSING;
  310.             break;
  311.  
  312.         case sns_irTransceive_STATE_PAUSING:
  313.             if (Timer_Expired(irTxChannel[channel].timerNum))
  314.             {
  315.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_TRANSMIT;
  316. //      printf("4\n");
  317.             }
  318.            
  319.             /* transmission is stopped when such command is recevied on can */
  320.             if (irTxChannel[channel].stopSend == TRUE && irTxChannel[channel].repeatCount >= irTxChannel[channel].proto.repeats)
  321.             {
  322.                 //TODO maybe send message on can for status? to confirm stopped sending, ready for new command
  323.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_IDLE;
  324. //      printf("5\n");
  325.             }
  326.             break;
  327.  
  328.         case sns_irTransceive_STATE_START_IDLE:
  329.             irTxChannel[channel].stopSend = FALSE;
  330.             irTxChannel[channel].repeatCount = 0;
  331.             irTxChannel[channel].proto.framecnt = 0;
  332.            
  333.             irTxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  334. //      printf("6\n");
  335.             break;
  336.         }
  337. #endif
  338.  
  339.     }
  340. }
  341.  
  342. void sns_irTransceive_HandleMessage(StdCan_Msg_t *rxMsg)
  343. {
  344.     if (    StdCan_Ret_class(rxMsg->Header) == CAN_MODULE_CLASS_SNS &&
  345.         StdCan_Ret_direction(rxMsg->Header) == DIRECTIONFLAG_TO_OWNER &&
  346.         rxMsg->Header.ModuleType == CAN_MODULE_TYPE_SNS_IRTRANSCEIVE &&
  347.         rxMsg->Header.ModuleId == sns_irTransceive_ID)
  348.     {
  349.         uint8_t channel;
  350.         switch (rxMsg->Header.Command)
  351.         {
  352.         case CAN_MODULE_CMD_PHYSICAL_IR:
  353.             channel = rxMsg->Data[0]>>4;
  354.             if ((0xf&rxMsg->Data[0]) == CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_PRESSED && channel < sns_irTransceive_SUPPORTED_NUM_CHANNELS)
  355.             {
  356.                 if (irTxChannel[channel].state == sns_irTransceive_STATE_IDLE)
  357.                 {
  358.                     irTxChannel[channel].proto.protocol = rxMsg->Data[1];
  359.  
  360.                     irTxChannel[channel].proto.data = rxMsg->Data[2];
  361.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  362.                     irTxChannel[channel].proto.data |= rxMsg->Data[3];
  363.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  364.                     irTxChannel[channel].proto.data |= rxMsg->Data[4];
  365.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  366.                     irTxChannel[channel].proto.data |= rxMsg->Data[5];
  367.  
  368.                     irTxChannel[channel].state = sns_irTransceive_STATE_START_TRANSMIT;
  369.                 }
  370.             }
  371.             else if ((0xf&rxMsg->Data[0]) == CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_RELEASED && channel < sns_irTransceive_SUPPORTED_NUM_CHANNELS)
  372.             {
  373.                 if (irTxChannel[channel].state != sns_irTransceive_STATE_IDLE)
  374.                 {
  375.                     irTxChannel[channel].stopSend = TRUE;
  376.                 }
  377.             }
  378.             break;
  379.         }
  380.     }
  381. }
  382.  
  383. void sns_irTransceive_List(uint8_t ModuleSequenceNumber)
  384. {
  385.     StdCan_Msg_t txMsg;
  386.    
  387.     StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS);
  388.     StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  389.     txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  390.  
  391.     txMsg.Header.ModuleId = sns_irTransceive_ID;
  392.     txMsg.Header.Command = CAN_MODULE_CMD_GLOBAL_LIST;
  393.     txMsg.Length = 6;
  394.  
  395.     txMsg.Data[0] = NODE_HW_ID_BYTE0;
  396.     txMsg.Data[1] = NODE_HW_ID_BYTE1;
  397.     txMsg.Data[2] = NODE_HW_ID_BYTE2;
  398.     txMsg.Data[3] = NODE_HW_ID_BYTE3;
  399.    
  400.     txMsg.Data[4] = NUMBER_OF_MODULES;
  401.     txMsg.Data[5] = ModuleSequenceNumber;
  402.    
  403.     while (StdCan_Put(&txMsg) != StdCan_Ret_OK);
  404. }
  405.