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  1.  
  2. #include "sns_SimpleDTMF.h"
  3.  
  4. uint8_t pollrxbuffer[MT_MAX_TONES];
  5. uint8_t pollrxlen=0;
  6. uint8_t rxbuffer[MT_MAX_TONES];
  7. uint8_t state = SNS_SIMPLEDTMF_STATE_IDLE;
  8. uint8_t rxlen = 0;
  9.  
  10. void sns_SimpleDTMF_Init(void)
  11. {
  12.     DTMFin_Init();
  13. }
  14.  
  15. void sns_SimpleDTMF_Process(void)
  16. {
  17.     StdCan_Msg_t txMsg;
  18.     DTMF_Ret_t retval;
  19.    
  20.     switch (state)
  21.     {
  22.     case SNS_SIMPLEDTMF_STATE_IDLE:
  23.         if (DTMFin_Pop(pollrxbuffer, &pollrxlen) == DTMF_Ret_Data_avail) {
  24.             state = SNS_SIMPLEDTMF_STATE_COPYDATA;
  25.         } else {
  26.             //go into sleep or something, incoming data from mt8870 is interrupted so we will wake up
  27.         }
  28.     break;
  29.    
  30.     case SNS_SIMPLEDTMF_STATE_COPYDATA:
  31.         state = SNS_SIMPLEDTMF_STATE_WAIT;
  32.         for (uint8_t i=0; i<pollrxlen;i++) {
  33.             rxbuffer[rxlen++] = pollrxbuffer[i];
  34.             if (rxlen >= MT_MAX_TONES) {
  35.                 //overflow
  36.                 rxlen = 0;
  37.                 state = SNS_SIMPLEDTMF_STATE_IDLE;
  38.                 break;
  39.             }
  40.         }
  41.        
  42.         Timer_SetTimeout(MT_TIMER, MT_DIAL_TIMEOUT, TimerTypeOneShot, 0);
  43.     break;
  44.    
  45.     case SNS_SIMPLEDTMF_STATE_WAIT:
  46.         if (Timer_Expired(MT_TIMER)) {
  47.             state = SNS_SIMPLEDTMF_STATE_SEND;
  48.         }
  49.        
  50.         retval = DTMFin_Pop(pollrxbuffer, &pollrxlen);
  51.         if (retval == DTMF_Ret_Data_avail) {
  52.             state = SNS_SIMPLEDTMF_STATE_COPYDATA;
  53.         } else if (retval == DTMF_Ret_Overflow) {
  54.             rxlen=0;
  55.             state = SNS_SIMPLEDTMF_STATE_IDLE;
  56.         }
  57.     break;
  58.    
  59.     case SNS_SIMPLEDTMF_STATE_SEND:
  60.         //if ((rxbuffer[0] == 0xa || rxbuffer[0] == 0xb) && rxbuffer[rxlen-1] == 0xc) {
  61.         StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS);
  62.         StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  63.         txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_SIMPLEDTMF;
  64.         txMsg.Header.ModuleId = sns_SimpleDTMF_ID;
  65.         txMsg.Header.Command = CAN_MODULE_CMD_PHYSICAL_PHONENUMBER;
  66.        
  67.         for (uint8_t i = 0; i < 16; i=i+2) {
  68.             txMsg.Data[i>>1] = rxbuffer[i]<<4;
  69.            
  70.             if (i+1 < rxlen)
  71.                 txMsg.Data[i>>1] |= rxbuffer[i+1];
  72.         }
  73.         txMsg.Length = (rxlen>>1)+(rxlen&1);
  74.        
  75.         StdCan_Put(&txMsg);
  76.         //}
  77.         rxlen = 0;
  78.         state = SNS_SIMPLEDTMF_STATE_IDLE;
  79.     break;
  80.     }
  81. }
  82.  
  83. void sns_SimpleDTMF_HandleMessage(StdCan_Msg_t *rxMsg)
  84. {
  85.     /*if (  StdCan_Ret_class(rxMsg->Header) == CAN_MODULE_CLASS_SNS && ///TODO: Change this to the actual class type
  86.         StdCan_Ret_direction(rxMsg->Header) == DIR_TO_OWNER &&
  87.         rxMsg->Header.ModuleType == CAN_MODULE_TYPE_SNS_SIMPLEDTMF && ///TODO: Change this to the actual module type
  88.         rxMsg->Header.ModuleId == sns_SimpleDTMF_ID)
  89.     {
  90.         switch (rxMsg->Header.Command)
  91.         {
  92.         case CAN_CMD_MODULE_DUMMY:
  93.         ///TODO: Do something dummy
  94.         break;
  95.         }
  96.     }*/
  97. }
  98.  
  99. void sns_SimpleDTMF_List(uint8_t ModuleSequenceNumber)
  100. {
  101.     StdCan_Msg_t txMsg;
  102.    
  103.     StdCan_Set_class(txMsg.Header, CAN_MODULE_CLASS_SNS);
  104.     StdCan_Set_direction(txMsg.Header, DIRECTIONFLAG_FROM_OWNER);
  105.     txMsg.Header.ModuleType = CAN_MODULE_TYPE_SNS_SIMPLEDTMF;
  106.     txMsg.Header.ModuleId = sns_SimpleDTMF_ID;
  107.     txMsg.Header.Command = CAN_MODULE_CMD_GLOBAL_LIST;
  108.     txMsg.Length = 6;
  109.  
  110.     txMsg.Data[0] = NODE_HW_ID_BYTE0;
  111.     txMsg.Data[1] = NODE_HW_ID_BYTE1;
  112.     txMsg.Data[2] = NODE_HW_ID_BYTE2;
  113.     txMsg.Data[3] = NODE_HW_ID_BYTE3;
  114.    
  115.     txMsg.Data[4] = NUMBER_OF_MODULES;
  116.     txMsg.Data[5] = ModuleSequenceNumber;
  117.    
  118.     while (StdCan_Put(&txMsg) != StdCan_Ret_OK);
  119. }
  120.