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  1.  
  2. #include "sns_irTransceive.h"
  3.  
  4. #ifdef sns_irTransceive_USEEEPROM
  5. #include "sns_irTransceive_eeprom.h"
  6. struct eeprom_sns_irTransceive EEMEM eeprom_sns_irTransceive =
  7. {
  8.     {
  9.         /* Define initialization values on the EEPROM variables here.
  10.         This will generate a *.eep file that can be used to store this values to the node, can in future be done with a EEPROM module and the make-scrips.
  11.         Write the values in the exact same order as the struct is defined in the *.h file. */
  12.         CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO,
  13.         0,
  14.         CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO,
  15.         0,
  16.         CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO,
  17.         0,
  18.     },
  19.     0   /* crc, must be a correct value, but this will also be handled by the EEPROM module or make scripts */
  20. };
  21. #endif
  22.  
  23. #if IR_RX_ENABLE==1
  24. struct {
  25.     uint8_t             state;
  26.     uint16_t            *rxbuf;
  27.     uint8_t             rxlen;
  28.     uint8_t             timerNum;
  29.     Ir_Protocol_Data_t  proto;
  30.     uint8_t             newData;
  31. } irRxChannel[IR_SUPPORTED_NUM_CHANNELS];
  32. #endif
  33.  
  34. #if IR_TX_ENABLE==1
  35. struct {
  36.     uint8_t             state;
  37.     uint16_t            *txbuf;
  38.     uint8_t             txlen;
  39.     uint8_t             timerNum;
  40.     uint8_t             repeatCount;
  41.     Ir_Protocol_Data_t  proto;
  42.     uint8_t             stopSend;
  43.     uint8_t             sendComplete;
  44. } irTxChannel[IR_SUPPORTED_NUM_CHANNELS];
  45. #endif
  46.  
  47. uint16_t    buf[3][MAX_NR_TIMES];
  48.  
  49. StdCan_Msg_t        irTxMsg;
  50.  
  51. #if (sns_irTransceive_SEND_DEBUG==1)
  52. void send_debug(uint16_t *buffer, uint8_t len) {
  53.     StdCan_Msg_t dbgIrTxMsg;
  54.     /* the protocol is unknown so the raw ir-data is sent, makes it easier to develop a new protocol */
  55.  
  56.     StdCan_Set_class(dbgIrTxMsg.Header, CAN_MODULE_CLASS_SNS);
  57.     StdCan_Set_direction(dbgIrTxMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  58.     dbgIrTxMsg.Length = 8;
  59.     dbgIrTxMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  60.     dbgIrTxMsg.Header.ModuleId = sns_irTransceive_ID;
  61.     dbgIrTxMsg.Header.Command = CAN_MODULE_CMD_IRTRANSCEIVE_IRRAW;
  62.     for (uint8_t i = 0; i < len>>2; i++) {
  63.         uint8_t index = i<<2;
  64.  
  65.         dbgIrTxMsg.Data[0] = (buffer[index]>>8)&0xff;
  66.         dbgIrTxMsg.Data[1] = (buffer[index]>>0)&0xff;
  67.         dbgIrTxMsg.Data[2] = (buffer[index+1]>>8)&0xff;
  68.         dbgIrTxMsg.Data[3] = (buffer[index+1]>>0)&0xff;
  69.         dbgIrTxMsg.Data[4] = (buffer[index+2]>>8)&0xff;
  70.         dbgIrTxMsg.Data[5] = (buffer[index+2]>>0)&0xff;
  71.         dbgIrTxMsg.Data[6] = (buffer[index+3]>>8)&0xff;
  72.         dbgIrTxMsg.Data[7] = (buffer[index+3]>>0)&0xff;
  73.                
  74.         /* buffers will be filled when sending more than 2-3 messages, so retry until sent */
  75.         while (StdCan_Put(&dbgIrTxMsg) != StdCan_Ret_OK) {}
  76.         _delay_ms(1);
  77.     }
  78.    
  79.     uint8_t lastpacketcnt = len&0x03;
  80.     if (lastpacketcnt > 0) {
  81.         dbgIrTxMsg.Length = lastpacketcnt<<1;
  82.         for (uint8_t i = 0; i < lastpacketcnt; i++) {
  83.             dbgIrTxMsg.Data[i<<1] = (buffer[(len&0xfc)|i]>>8)&0xff;
  84.             dbgIrTxMsg.Data[(i<<1)+1] = (buffer[(len&0xfc)|i]>>0)&0xff;
  85.         }
  86.         /* buffers will be filled when sending more than 2-3 messages, so retry until sent */
  87.         while (StdCan_Put(&dbgIrTxMsg) != StdCan_Ret_OK) {}
  88.         _delay_ms(1);
  89.     }
  90.  
  91. }
  92. #endif
  93.  
  94.  
  95. #if IR_RX_ENABLE==1
  96. void sns_irTransceive_RX_done_callback(uint8_t channel, uint16_t *buffer, uint8_t len)
  97. {
  98.     if (channel < IR_SUPPORTED_NUM_CHANNELS)
  99.     {
  100.         irRxChannel[channel].newData = TRUE;
  101.         irRxChannel[channel].rxlen = len;
  102.     }
  103. }
  104. #endif
  105.  
  106.  
  107. #if IR_TX_ENABLE==1
  108. void sns_irTransceive_TX_done_callback(uint8_t channel)
  109. {
  110.     if (channel < IR_SUPPORTED_NUM_CHANNELS)
  111.     {
  112.         irTxChannel[channel].sendComplete = TRUE;
  113.     }
  114. }
  115. #endif
  116.  
  117.  
  118. void sns_irTransceive_setConfig(uint8_t channel, uint8_t config, uint8_t power)
  119. {
  120.     if (channel < IR_SUPPORTED_NUM_CHANNELS && config <= CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_RECEIVE && power < 4)
  121.     {
  122. #if IR_RX_ENABLE==1
  123.         if (config == CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_RECEIVE)
  124.         {
  125. #if IR_TX_ENABLE==1
  126.             irTxChannel[channel].state = sns_irTransceive_STATE_DISABLED;
  127. #endif
  128.             irRxChannel[channel].rxbuf = buf[channel];
  129.             switch (channel)
  130.             {
  131.                 case 0:
  132.                     gpio_clr_pin(sns_irTransceive_VCC_EN0_PIN);
  133.                     IrTransceiver_InitRxChannel(channel, irRxChannel[channel].rxbuf, sns_irTransceive_RX_done_callback, sns_irTransceive_RX0_PCINT, sns_irTransceive_RX0_PIN);
  134.                     break;
  135.                 case 1:
  136.                     gpio_clr_pin(sns_irTransceive_VCC_EN1_PIN);
  137.                     IrTransceiver_InitRxChannel(channel, irRxChannel[channel].rxbuf, sns_irTransceive_RX_done_callback, sns_irTransceive_RX1_PCINT, sns_irTransceive_RX1_PIN);
  138.                     break;
  139.                 case 2:
  140.                     gpio_clr_pin(sns_irTransceive_VCC_EN2_PIN);
  141.                     IrTransceiver_InitRxChannel(channel, irRxChannel[channel].rxbuf, sns_irTransceive_RX_done_callback, sns_irTransceive_RX2_PCINT, sns_irTransceive_RX2_PIN);
  142.                     break;
  143.             }
  144.             irRxChannel[channel].state = sns_irTransceive_STATE_RECEIVING;
  145.         }
  146. #endif
  147.  
  148. #if IR_TX_ENABLE==1
  149.         if (config == CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_TRANSMIT)
  150.         {
  151. #if IR_RX_ENABLE==1
  152.             irRxChannel[channel].state = sns_irTransceive_STATE_DISABLED;
  153. #endif
  154.            
  155.             irTxChannel[channel].txbuf = buf[channel];
  156.             switch (channel)
  157.             {
  158.                 case 0:
  159. #if IR_RX_ENABLE==1
  160.                     gpio_set_pin(sns_irTransceive_VCC_EN0_PIN);
  161.                     IrTransceiver_DeInitRxChannel(channel, sns_irTransceive_RX0_PCINT, sns_irTransceive_RX0_PIN);
  162. #endif
  163.                     IrTransceiver_InitTxChannel(channel, sns_irTransceive_TX_done_callback, sns_irTransceive_TX0_PIN);
  164.  
  165. #if sns_irTransceive_ENABLE_PCA95xx==1
  166.                     Pca95xx_set_out(sns_irTransceive_TX0_PWRl);
  167.                     Pca95xx_set_out(sns_irTransceive_TX0_PWRh);
  168.                     if (power&0x1)
  169.                     {
  170.                         Pca95xx_set_in(sns_irTransceive_TX0_PWRl);
  171.                     }
  172.                     if (power&0x2)
  173.                     {
  174.                         Pca95xx_set_in(sns_irTransceive_TX0_PWRh);
  175.                     }
  176. #endif
  177.                     break;
  178.                 case 1:
  179. #if IR_RX_ENABLE==1
  180.                     gpio_set_pin(sns_irTransceive_VCC_EN1_PIN);
  181.                     IrTransceiver_DeInitRxChannel(channel, sns_irTransceive_RX1_PCINT, sns_irTransceive_RX1_PIN);
  182. #endif
  183.                     IrTransceiver_InitTxChannel(channel, sns_irTransceive_TX_done_callback, sns_irTransceive_TX1_PIN);
  184.                    
  185. #if sns_irTransceive_ENABLE_PCA95xx==1
  186.                     Pca95xx_set_out(sns_irTransceive_TX1_PWRl);
  187.                     Pca95xx_set_out(sns_irTransceive_TX1_PWRh);
  188.                     if (power&0x1)
  189.                     {
  190.                         Pca95xx_set_in(sns_irTransceive_TX1_PWRl);
  191.                     }
  192.                     if (power&0x2)
  193.                     {
  194.                         Pca95xx_set_in(sns_irTransceive_TX1_PWRh);
  195.                     }
  196. #endif
  197.                     break;
  198.                 case 2:
  199. #if IR_RX_ENABLE==1
  200.                     gpio_set_pin(sns_irTransceive_VCC_EN2_PIN);
  201.                     IrTransceiver_DeInitRxChannel(channel, sns_irTransceive_RX2_PCINT, sns_irTransceive_RX2_PIN);
  202. #endif
  203.                     IrTransceiver_InitTxChannel(channel, sns_irTransceive_TX_done_callback, sns_irTransceive_TX2_PIN);
  204.                    
  205. #if sns_irTransceive_ENABLE_PCA95xx==1
  206.                     Pca95xx_set_out(sns_irTransceive_TX2_PWRl);
  207.                     Pca95xx_set_out(sns_irTransceive_TX2_PWRh);
  208.                     if (power&0x1)
  209.                     {
  210.                         Pca95xx_set_in(sns_irTransceive_TX2_PWRl);
  211.                     }
  212.                     if (power&0x2)
  213.                     {
  214.                         Pca95xx_set_in(sns_irTransceive_TX2_PWRh);
  215.                     }
  216. #endif
  217.                     break;
  218.             }
  219.             irTxChannel[channel].state = sns_irTransceive_STATE_START_IDLE;
  220.         }
  221. #endif
  222.     }
  223. }
  224.  
  225.  
  226. void sns_irTransceive_Init(void)
  227. {
  228.     StdCan_Set_class(irTxMsg.Header, CAN_MODULE_CLASS_SNS);
  229.     StdCan_Set_direction(irTxMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  230.     irTxMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  231.     irTxMsg.Header.ModuleId = sns_irTransceive_ID;
  232.     irTxMsg.Header.Command = CAN_MODULE_CMD_PHYSICAL_IR;
  233.     irTxMsg.Length = 6;
  234.  
  235.     for (uint8_t i = 0; i < IR_SUPPORTED_NUM_CHANNELS; i++)
  236.     {
  237. #if IR_RX_ENABLE==1
  238.         irRxChannel[i].state = sns_irTransceive_STATE_DISABLED;
  239.         irRxChannel[i].newData = FALSE;
  240.         irRxChannel[i].rxlen = 0;
  241.         irRxChannel[i].proto.timeout=0;
  242.         irRxChannel[i].proto.data=0;
  243.         irRxChannel[i].proto.repeats=0;
  244.         irRxChannel[i].proto.protocol=0;
  245. #endif
  246.  
  247. #if IR_TX_ENABLE==1
  248.         irTxChannel[i].state = sns_irTransceive_STATE_DISABLED;
  249.         irTxChannel[i].sendComplete = FALSE;
  250.         irTxChannel[i].repeatCount = 0;
  251.         irTxChannel[i].txlen = 0;
  252.         irTxChannel[i].proto.data=0;
  253.         irTxChannel[i].proto.repeats=0;
  254.         irTxChannel[i].proto.framecnt=0;
  255.         irTxChannel[i].proto.protocol=0;
  256. #endif
  257.     }
  258.    
  259. #if IR_RX_ENABLE==1
  260.     irRxChannel[0].timerNum=sns_irTransceive_RX0_REPEATE_TIMER;
  261.     irRxChannel[1].timerNum=sns_irTransceive_RX1_REPEATE_TIMER;
  262.     irRxChannel[2].timerNum=sns_irTransceive_RX2_REPEATE_TIMER;
  263. #endif
  264.  
  265. #if IR_TX_ENABLE==1
  266.     irTxChannel[0].timerNum=sns_irTransceive_TX0_REPEATE_TIMER;
  267.     irTxChannel[1].timerNum=sns_irTransceive_TX1_REPEATE_TIMER;
  268.     irTxChannel[2].timerNum=sns_irTransceive_TX2_REPEATE_TIMER;
  269. #endif
  270.    
  271.     IrTransceiver_Init();
  272.     /* Configure all TX VCC pins as outputs and disable them */
  273.     gpio_set_out(sns_irTransceive_VCC_EN0_PIN);
  274.     gpio_set_out(sns_irTransceive_VCC_EN1_PIN);
  275.     gpio_set_out(sns_irTransceive_VCC_EN2_PIN);
  276.     gpio_set_pin(sns_irTransceive_VCC_EN0_PIN);
  277.     gpio_set_pin(sns_irTransceive_VCC_EN1_PIN);
  278.     gpio_set_pin(sns_irTransceive_VCC_EN2_PIN);
  279.  
  280. #if IR_TX_ENABLE==1
  281.     gpio_set_out(sns_irTransceive_MOD_PIN);
  282.     gpio_set_out(sns_irTransceive_TX0_PIN);
  283.     gpio_set_out(sns_irTransceive_TX1_PIN);
  284.     gpio_set_out(sns_irTransceive_TX2_PIN);
  285. #if IR_TX_ACTIVE_LOW==1
  286.     gpio_set_pin(sns_irTransceive_TX0_PIN);
  287.     gpio_set_pin(sns_irTransceive_TX1_PIN);
  288.     gpio_set_pin(sns_irTransceive_TX2_PIN);
  289. #endif
  290. #endif
  291.    
  292.     /* IR tx power pins on PCA95xx */
  293. #if sns_irTransceive_ENABLE_PCA95xx==1
  294.     Pca95xx_Init(0);
  295.  
  296.     Pca95xx_clr_pin(sns_irTransceive_TX0_PWRl);
  297.     Pca95xx_set_out(sns_irTransceive_TX0_PWRl);
  298.     Pca95xx_clr_pin(sns_irTransceive_TX0_PWRh);
  299.     Pca95xx_set_out(sns_irTransceive_TX0_PWRh);
  300.    
  301.     Pca95xx_clr_pin(sns_irTransceive_TX1_PWRl);
  302.     Pca95xx_set_out(sns_irTransceive_TX1_PWRl);
  303.     Pca95xx_clr_pin(sns_irTransceive_TX1_PWRh);
  304.     Pca95xx_set_out(sns_irTransceive_TX1_PWRh);
  305.    
  306.     Pca95xx_clr_pin(sns_irTransceive_TX2_PWRl);
  307.     Pca95xx_set_out(sns_irTransceive_TX2_PWRl);
  308.     Pca95xx_clr_pin(sns_irTransceive_TX2_PWRh);
  309.     Pca95xx_set_out(sns_irTransceive_TX2_PWRh);
  310. #endif
  311.  
  312. #ifdef sns_irTransceive_USEEEPROM
  313.     if (EEDATA_OK)
  314.     {
  315.       /* Use stored data to set initial values for the module */
  316.         sns_irTransceive_setConfig(0, eeprom_read_byte(EEDATA.ch0_config), eeprom_read_byte(EEDATA.ch0_txpower));
  317.         sns_irTransceive_setConfig(1, eeprom_read_byte(EEDATA.ch1_config), eeprom_read_byte(EEDATA.ch1_txpower));
  318.         sns_irTransceive_setConfig(2, eeprom_read_byte(EEDATA.ch2_config), eeprom_read_byte(EEDATA.ch2_txpower));
  319.     }
  320.     else
  321.     {  
  322.     /* The CRC of the EEPROM is not correct, store default values and update CRC */
  323.         eeprom_write_byte_crc(EEDATA.ch0_config, CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO, WITHOUT_CRC);
  324.         eeprom_write_byte_crc(EEDATA.ch0_txpower, 0, WITHOUT_CRC);
  325.         eeprom_write_byte_crc(EEDATA.ch1_config, CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO, WITHOUT_CRC);
  326.         eeprom_write_byte_crc(EEDATA.ch1_txpower, 0, WITHOUT_CRC);
  327.         eeprom_write_byte_crc(EEDATA.ch2_config, CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_AUTO, WITHOUT_CRC);
  328.         eeprom_write_byte_crc(EEDATA.ch2_txpower, 0, WITHOUT_CRC);
  329.         EEDATA_UPDATE_CRC;
  330.     }
  331. #endif 
  332. }
  333.  
  334. void sns_irTransceive_Process(void)
  335. {
  336.     for (uint8_t channel=0; channel < IR_SUPPORTED_NUM_CHANNELS; channel++)
  337.     {
  338.  
  339. #if IR_RX_ENABLE==1
  340.         switch (irRxChannel[channel].state)
  341.         {
  342.         case sns_irTransceive_STATE_IDLE:
  343.             irRxChannel[channel].state = sns_irTransceive_STATE_START_RECEIVE;
  344.             break;
  345.  
  346.         case sns_irTransceive_STATE_START_RECEIVE:
  347.             IrTransceiver_ResetRx(channel);
  348.             cli();
  349.             irRxChannel[channel].newData = FALSE;
  350.             sei();
  351.             irRxChannel[channel].state = sns_irTransceive_STATE_RECEIVING;
  352.             break;
  353.        
  354.         case sns_irTransceive_STATE_RECEIVING:
  355.             if (irRxChannel[channel].newData == TRUE) {
  356.                 //TODO: move this line to the RX callback
  357.                 IrTransceiver_DisableRx(channel);
  358.                 cli();
  359.                 irRxChannel[channel].newData = FALSE;
  360.                 sei();
  361.  
  362.                 /* Let protocol driver parse and then send on CAN */
  363.                 uint8_t res2 = parseProtocol(irRxChannel[channel].rxbuf, irRxChannel[channel].rxlen, &irRxChannel[channel].proto);
  364.                 if (res2 == IR_OK && irRxChannel[channel].proto.protocol != IR_PROTO_UNKNOWN) {
  365.                     irTxMsg.Data[0] = 0xf&CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_PRESSED;
  366.                     irTxMsg.Data[0] |= channel<<4;
  367.                     irTxMsg.Data[1] = irRxChannel[channel].proto.protocol;
  368.                     irTxMsg.Data[2] = (irRxChannel[channel].proto.data>>24)&0xff;
  369.                     irTxMsg.Data[3] = (irRxChannel[channel].proto.data>>16)&0xff;
  370.                     irTxMsg.Data[4] = (irRxChannel[channel].proto.data>>8)&0xff;
  371.                     irTxMsg.Data[5] = irRxChannel[channel].proto.data&0xff;
  372.  
  373.                     StdCan_Put(&irTxMsg);
  374.                 }
  375.                 else if (irRxChannel[channel].proto.protocol == IR_PROTO_UNKNOWN)
  376.                 {
  377. #if (sns_irTransceive_SEND_DEBUG==1)
  378.                     send_debug(irRxChannel[channel].rxbuf, irRxChannel[channel].rxlen);
  379.                     irRxChannel[channel].proto.timeout=300;
  380. #endif
  381.                 }
  382.                
  383.                 /* Enable the receiver again */
  384.                 IrTransceiver_EnableRx(channel);
  385.                
  386.                 irRxChannel[channel].state = sns_irTransceive_STATE_START_PAUSE;
  387.             }
  388.             break;
  389.  
  390.         case sns_irTransceive_STATE_START_PAUSE:
  391.             /* set a timer so we can send release button event when no new IR is arriving */
  392.             Timer_SetTimeout(irRxChannel[channel].timerNum, irRxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  393.             irRxChannel[channel].state = sns_irTransceive_STATE_PAUSING;
  394.             break;
  395.  
  396.         case sns_irTransceive_STATE_PAUSING:
  397.             /* reset timer if new IR arrived */
  398.             if (irRxChannel[channel].newData == TRUE || IrTransceiver_GetStoreEnableRx(channel) == TRUE) {
  399.                 cli();
  400.                 irRxChannel[channel].newData = FALSE;
  401.                 sei();
  402.                 Timer_SetTimeout(irRxChannel[channel].timerNum, irRxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  403.             }
  404.        
  405.             if (Timer_Expired(irRxChannel[channel].timerNum)) {
  406.                 irRxChannel[channel].state = sns_irTransceive_STATE_START_IDLE;
  407.             }
  408.             break;
  409.  
  410.         case sns_irTransceive_STATE_START_IDLE:
  411.             if (irRxChannel[channel].proto.protocol != IR_PROTO_UNKNOWN) {
  412.                 /* Send button release command on CAN */
  413.                 irTxMsg.Data[0] = 0xf&CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_RELEASED;
  414.                 irTxMsg.Data[0] |= channel<<4;
  415.                 irTxMsg.Data[1] = irRxChannel[channel].proto.protocol;
  416.                 irTxMsg.Data[2] = (irRxChannel[channel].proto.data>>24)&0xff;
  417.                 irTxMsg.Data[3] = (irRxChannel[channel].proto.data>>16)&0xff;
  418.                 irTxMsg.Data[4] = (irRxChannel[channel].proto.data>>8)&0xff;
  419.                 irTxMsg.Data[5] = irRxChannel[channel].proto.data&0xff;
  420.  
  421.                 StdCan_Put(&irTxMsg);
  422.             }
  423.             irRxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  424.             break;
  425.  
  426.         default:
  427.             break;
  428.         }
  429. #endif
  430.  
  431. #if IR_TX_ENABLE==1
  432.         switch (irTxChannel[channel].state)
  433.         {
  434.         case sns_irTransceive_STATE_IDLE:
  435.             /* transmission is started when a command is received on can */
  436.             break;
  437.  
  438.         case sns_irTransceive_STATE_START_TRANSMIT:
  439.             if (expandProtocol(irTxChannel[channel].txbuf, &irTxChannel[channel].txlen, &irTxChannel[channel].proto) == IR_OK)
  440.             {
  441.                 IrTransceiver_Transmit(channel, irTxChannel[channel].txbuf, irTxChannel[channel].txlen);
  442.                 irTxChannel[channel].state = sns_irTransceive_STATE_TRANSMITTING;
  443.             }
  444.             else
  445.             {
  446.                 irTxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  447.             }
  448.             break;
  449.        
  450.         case sns_irTransceive_STATE_TRANSMITTING:
  451.             if (irTxChannel[channel].sendComplete == TRUE)
  452.             {
  453.                 cli();
  454.                 irTxChannel[channel].sendComplete = FALSE;
  455.                 sei();
  456.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_PAUSE;
  457.             }
  458.             break;
  459.  
  460.         case sns_irTransceive_STATE_START_PAUSE:
  461.             if (irTxChannel[channel].repeatCount < irTxChannel[channel].proto.repeats)
  462.             {
  463.                 irTxChannel[channel].repeatCount++;
  464.             }
  465.            
  466.             Timer_SetTimeout(irTxChannel[channel].timerNum, irTxChannel[channel].proto.timeout, TimerTypeOneShot, 0);
  467.  
  468.             if (irTxChannel[channel].proto.framecnt != 255)
  469.             {
  470.                 irTxChannel[channel].proto.framecnt++;
  471.             }
  472.            
  473.             irTxChannel[channel].state = sns_irTransceive_STATE_PAUSING;
  474.             break;
  475.  
  476.         case sns_irTransceive_STATE_PAUSING:
  477.             if (Timer_Expired(irTxChannel[channel].timerNum))
  478.             {
  479.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_TRANSMIT;
  480.             }
  481.            
  482.             /* transmission is stopped when such command is recevied on can */
  483.             if (irTxChannel[channel].stopSend == TRUE && irTxChannel[channel].repeatCount >= irTxChannel[channel].proto.repeats)
  484.             {
  485.                 //TODO maybe send message on can for status? to confirm stopped sending, ready for new command
  486.                 irTxChannel[channel].state = sns_irTransceive_STATE_START_IDLE;
  487.             }
  488.             break;
  489.  
  490.         case sns_irTransceive_STATE_START_IDLE:
  491.             irTxChannel[channel].stopSend = FALSE;
  492.             irTxChannel[channel].repeatCount = 0;
  493.             irTxChannel[channel].proto.framecnt = 0;
  494.            
  495.             irTxChannel[channel].state = sns_irTransceive_STATE_IDLE;
  496.             break;
  497.  
  498.         default:
  499.             break;
  500.         }
  501. #endif
  502.  
  503.     }
  504. }
  505.  
  506.  
  507. /* Handle incoming CAN data */
  508. void sns_irTransceive_HandleMessage(StdCan_Msg_t *rxMsg)
  509. {
  510.     if (    StdCan_Ret_class(rxMsg->Header) == CAN_MODULE_CLASS_SNS &&
  511.         StdCan_Ret_direction(rxMsg->Header) == DIRECTIONFLAG_TO_OWNER &&
  512.         rxMsg->Header.ModuleType == CAN_MODULE_TYPE_SNS_IRTRANSCEIVE &&
  513.         rxMsg->Header.ModuleId == sns_irTransceive_ID)
  514.     {
  515.         uint8_t channel;
  516.         switch (rxMsg->Header.Command)
  517.         {
  518.         case CAN_MODULE_CMD_PHYSICAL_IR:
  519.             channel = rxMsg->Data[0]>>4;
  520.             if ((0xf&rxMsg->Data[0]) == CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_PRESSED && channel < IR_SUPPORTED_NUM_CHANNELS)
  521.             {
  522.                 if (irTxChannel[channel].state == sns_irTransceive_STATE_IDLE)
  523.                 {
  524.                     irTxChannel[channel].proto.protocol = rxMsg->Data[1];
  525.  
  526.                     irTxChannel[channel].proto.data = rxMsg->Data[2];
  527.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  528.                     irTxChannel[channel].proto.data |= rxMsg->Data[3];
  529.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  530.                     irTxChannel[channel].proto.data |= rxMsg->Data[4];
  531.                     irTxChannel[channel].proto.data = irTxChannel[channel].proto.data<<8;
  532.                     irTxChannel[channel].proto.data |= rxMsg->Data[5];
  533.  
  534.                     irTxChannel[channel].state = sns_irTransceive_STATE_START_TRANSMIT;
  535.                 }
  536.             }
  537.             else if ((0xf&rxMsg->Data[0]) == CAN_MODULE_ENUM_PHYSICAL_IR_STATUS_RELEASED && channel < IR_SUPPORTED_NUM_CHANNELS)
  538.             {
  539.                 if (irTxChannel[channel].state != sns_irTransceive_STATE_IDLE)
  540.                 {
  541.                     irTxChannel[channel].stopSend = TRUE;
  542.                 }
  543.             }
  544.             break;
  545.        
  546.         case CAN_MODULE_CMD_IRTRANSCEIVE_IRCONFIG:
  547.             channel = rxMsg->Data[0]>>4;
  548.             uint8_t config = rxMsg->Data[0] & 0x0f;
  549.             uint8_t power = rxMsg->Data[1]>>6;
  550.            
  551.             sns_irTransceive_setConfig(channel, config, power);
  552.  
  553. #ifdef sns_irTransceive_USEEEPROM
  554.             if (channel < IR_SUPPORTED_NUM_CHANNELS && config <= CAN_MODULE_ENUM_IRTRANSCEIVE_IRCONFIG_DIRECTION_RECEIVE && power < 4)
  555.             {
  556.                 switch (channel)
  557.                 {
  558.                     case 0:
  559.                         eeprom_write_byte_crc(EEDATA.ch0_config, config, WITHOUT_CRC);
  560.                         eeprom_write_byte_crc(EEDATA.ch0_txpower, power, WITHOUT_CRC);
  561.                         break;
  562.                     case 1:
  563.                         eeprom_write_byte_crc(EEDATA.ch1_config, config, WITHOUT_CRC);
  564.                         eeprom_write_byte_crc(EEDATA.ch1_txpower, power, WITHOUT_CRC);
  565.                         break;
  566.                     case 2:
  567.                         eeprom_write_byte_crc(EEDATA.ch2_config, config, WITHOUT_CRC);
  568.                         eeprom_write_byte_crc(EEDATA.ch2_txpower, power, WITHOUT_CRC);
  569.                         break;
  570.                     default:
  571.                         break;
  572.                 }
  573.                 EEDATA_UPDATE_CRC;
  574.             }
  575. #endif 
  576.             break;
  577.         }
  578.     }
  579. }
  580.  
  581. void sns_irTransceive_List(uint8_t ModuleSequenceNumber)
  582. {
  583.     StdCan_Msg_t txMsg;
  584.    
  585.     StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS);
  586.     StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  587.     txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_IRTRANSCEIVE;
  588.  
  589.     txMsg.Header.ModuleId = sns_irTransceive_ID;
  590.     txMsg.Header.Command = CAN_MODULE_CMD_GLOBAL_LIST;
  591.     txMsg.Length = 6;
  592.  
  593.     txMsg.Data[0] = NODE_HW_ID_BYTE0;
  594.     txMsg.Data[1] = NODE_HW_ID_BYTE1;
  595.     txMsg.Data[2] = NODE_HW_ID_BYTE2;
  596.     txMsg.Data[3] = NODE_HW_ID_BYTE3;
  597.    
  598.     txMsg.Data[4] = NUMBER_OF_MODULES;
  599.     txMsg.Data[5] = ModuleSequenceNumber;
  600.    
  601.     while (StdCan_Put(&txMsg) != StdCan_Ret_OK);
  602. }
  603.