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  1.  
  2. #include "sns_SimpleDTMF.h"
  3.  
  4. uint8_t rxbuffer[MT_MAX_TONES];
  5. uint8_t state = SNS_SIMPLEDTMF_STATE_IDLE;
  6. uint8_t rxlen = 0;
  7.  
  8. void sns_SimpleDTMF_Init(void)
  9. {
  10.     DTMFin_Init();
  11. }
  12.  
  13. void sns_SimpleDTMF_Process(void)
  14. {
  15.     uint8_t retval;
  16.     StdCan_Msg_t txMsg;
  17.    
  18.     switch (state)
  19.     {
  20.     case SNS_SIMPLEDTMF_STATE_IDLE:
  21.     DTMFin_Start(rxbuffer);
  22.     state = SNS_SIMPLEDTMF_STATE_START_WAIT;
  23.     break;
  24.    
  25.     case SNS_SIMPLEDTMF_STATE_START_WAIT:
  26.     state = SNS_SIMPLEDTMF_STATE_WAIT;
  27.     break;
  28.    
  29.     case SNS_SIMPLEDTMF_STATE_WAIT:
  30.     retval = DTMFin_Poll(&rxlen);
  31.    
  32.     if (retval == MT8870_Ret_Finished)
  33.         state = SNS_SIMPLEDTMF_STATE_STOP;
  34.     else if (retval == MT8870_Ret_Overflow)
  35.         state = SNS_SIMPLEDTMF_STATE_IDLE;
  36.        
  37.     break;
  38.    
  39.     case SNS_SIMPLEDTMF_STATE_STOP:
  40.     //if ((rxbuffer[0] == 0xa || rxbuffer[0] == 0xb) && rxbuffer[rxlen-1] == 0xc) {
  41.    
  42.         StdCan_Set_class(txMsg.Header, CAN_CLASS_MODULE_SNS);
  43.         StdCan_Set_direction(txMsg.Header, DIR_FROM_OWNER);
  44.         txMsg.Header.ModuleType = CAN_TYPE_MODULE_sns_SimpleDTMF;
  45.         txMsg.Header.ModuleId = sns_SimpleDTMF_ID;
  46.         txMsg.Header.Command = CAN_CMD_MODULE_PHYS_PHONENUMBER;
  47.        
  48.         for (uint8_t i = 0; i < 16; i=i+2) {
  49.             txMsg.Data[i>>1] = rxbuffer[i]<<4;
  50.            
  51.             if (i+1 < rxlen)
  52.                 txMsg.Data[i>>1] |= rxbuffer[i+1];
  53.         }
  54.         txMsg.Length = (rxlen>>1)+(rxlen&1);
  55.        
  56.         StdCan_Put(&txMsg);
  57.  
  58.     //}
  59.     state = SNS_SIMPLEDTMF_STATE_IDLE;
  60.     break;
  61.     }
  62. }
  63.  
  64. void sns_SimpleDTMF_HandleMessage(StdCan_Msg_t *rxMsg)
  65. {
  66.     /*if (  StdCan_Ret_class(rxMsg->Header) == CAN_CLASS_MODULE_SNS && ///TODO: Change this to the actual class type
  67.         StdCan_Ret_direction(rxMsg->Header) == DIR_TO_OWNER &&
  68.         rxMsg->Header.ModuleType == CAN_TYPE_MODULE_sns_SimpleDTMF && ///TODO: Change this to the actual module type
  69.         rxMsg->Header.ModuleId == sns_SimpleDTMF_ID)
  70.     {
  71.         switch (rxMsg->Header.Command)
  72.         {
  73.         case CAN_CMD_MODULE_DUMMY:
  74.         ///TODO: Do something dummy
  75.         break;
  76.         }
  77.     }*/
  78. }
  79.  
  80. void sns_SimpleDTMF_List(uint8_t ModuleSequenceNumber)
  81. {
  82.     StdCan_Msg_t txMsg;
  83.    
  84.     StdCan_Set_class(txMsg.Header, CAN_CLASS_MODULE_SNS);
  85.     StdCan_Set_direction(txMsg.Header, DIR_FROM_OWNER);
  86.     txMsg.Header.ModuleType = CAN_TYPE_MODULE_sns_SimpleDTMF;
  87.     txMsg.Header.ModuleId = sns_SimpleDTMF_ID;
  88.     txMsg.Header.Command = CAN_CMD_MODULE_NMT_LIST;
  89.     txMsg.Length = 6;
  90.  
  91.     txMsg.Data[0] = NODE_HW_ID_BYTE0;
  92.     txMsg.Data[1] = NODE_HW_ID_BYTE1;
  93.     txMsg.Data[2] = NODE_HW_ID_BYTE2;
  94.     txMsg.Data[3] = NODE_HW_ID_BYTE3;
  95.    
  96.     txMsg.Data[4] = NUMBER_OF_MODULES;
  97.     txMsg.Data[5] = ModuleSequenceNumber;
  98.    
  99.     StdCan_Put(&txMsg);
  100. }
  101.