Revision 1825 branches/wireless/code/projects/libwireless/wireless_send.c

wireless_send.c (revision 1825)
99 99 
  packet[3] = XBEE_OPTIONS_NONE;
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  packet[4] = nextframe;
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  packet[5] = group;
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  nextframe = (nextframe == 0xFF)?1:nextframe+1; // increment frame number
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  // set scope
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  // set scope, defaults to send to PAN
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  if (scope == GLOBAL)
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    packet[3] &= XBEE_OPTIONS_BROADCAST_ALL_PANS;
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    packet[3] |= XBEE_OPTIONS_BROADCAST_ALL_PANS;
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  else if (scope != PAN) {
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    WL_DEBUG_PRINT_P("Error - bad scope in core send function\r\n");
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    return WL_ERROR_SCOPE;
110 109 
  }
111 110
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  // set mode
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  // set mode, defaults to RELIABLE
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  if (mode == FAST) {
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    packet[3] &= XBEE_OPTIONS_DISABLE_RESPONSE;
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    packet[3] |= XBEE_OPTIONS_DISABLE_RESPONSE;
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  } else if (mode != RELIABLE) {
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    WL_DEBUG_PRINT_P("Error - bad mode in core send function\r\n");
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    return WL_ERROR_MODE;
......
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    return ret; // no frame number
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  } else if (mode == RELIABLE) {
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    setack(nextframe,SENDING); // set status to SENDING
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    nextframe = (nextframe == 0xFF)?1:nextframe+1; // increment frame number
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    // save packet on sending buffer
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    scope = send_buf_last; // use as ptr to send buffer
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    if (send_buf_add(&scope,length+6) != WL_SUCCESS) { // add length
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      WL_DEBUG_PRINT_P("Error adding length to sending buffer\r\n");
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      ret = WL_ERROR_SENDING_BUFFER_FULL;
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      return WL_ERROR_SENDING_BUFFER_FULL;
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    }
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    for(mode=0;mode<6;mode++) { // add header
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    for(mode=0;mode<6;mode++) { // add header //mode is being used as a counter to save space
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      if (send_buf_add(&scope,packet[mode]) != WL_SUCCESS) {
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        WL_DEBUG_PRINT_P("Error adding header to sending buffer\r\n");
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        ret = WL_ERROR_SENDING_BUFFER_FULL;
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        return WL_ERROR_SENDING_BUFFER_FULL;
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      }
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    }
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    for(mode=0;mode<length;mode++) { // add data
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    for(mode=0;mode<length;mode++) { // add data //mode is being used as a counter to save space
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      if (send_buf_add(&scope,data[mode]) != WL_SUCCESS) {
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        WL_DEBUG_PRINT_P("Error adding data to sendig buffer\r\n");
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        ret = WL_ERROR_SENDING_BUFFER_FULL;
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        return WL_ERROR_SENDING_BUFFER_FULL;
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      }
172 172 
    }
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    if (send_buf_add(&scope,0) != WL_SUCCESS) { // add num retries=0
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      WL_DEBUG_PRINT_P("Error adding num_retries to sending buffer\r\n");
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      ret = WL_ERROR_SENDING_BUFFER_FULL;
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      return WL_ERROR_SENDING_BUFFER_FULL;
176 176 
    }
177 177 
    send_buf_last = scope;
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    send_buf_num_packets++;
......
254 254 
 **/
255 255 
uint8_t wl_ack_error(void) {
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  WL_DEBUG_PRINT_P("entering wl_ack_error function");
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  uint8_t val=0,i=1;
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  uint8_t val=0,i=1;//i=1 because if i=0, then the xbee won't give an ack
258 258
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  while(1) {
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    if (((ack_buf[i/4])&(0x2<<(i%4))) != 0) // if the ack is in an error state
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  for(i = 1; i < 255; i++){
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	if (((ack_buf[i/4])&(0x2<<(i%4))) != 0) // if the ack is in an error state
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      val++;
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    if (i==255)
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      break;
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    i++;
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  }
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  }
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  WL_DEBUG_PRINT_P("|num_errors:");
267 264 
  WL_DEBUG_PRINT_INT(val);
268 265 
  WL_DEBUG_PRINT_P("\r\n");
......
297 294 
/**
298 295 
 * acknowledgement reset
299 296 
 * reset the acknowledgement buffer
297 
 * TODO: Also needs to reset packet buffer
300 298 
 **/
301 299 
void wl_ack_reset(void) {
302 300 
  WL_DEBUG_PRINT_P("entering wl_ack_reset function\r\n");
......
338 336 
}
339 337 

  		
  




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/* ack handler */


  		
  




  
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/* ack handler 


  		
  




  
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 *


  		
  




  
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 * @param num the ack number


  		
  




  
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 * @param val {SUCCESS,ACK_FAILURE,CCA_FAILURE,PURGED}


  		
  




  
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 * 		will be either SUCCESS or FAILURE


  		
  




  
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*/


  		
  




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void ackhandle(uint8_t num,uint8_t val) {


  		
  




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  uint8_t len;


  		
  




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  uint8_t packets = 0;


  		
  




......




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    // success


  		
  




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    setack(num,ACK_OK); // set status code


  		
  




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    // remove from buffer


  		
  




  359
  
    
    
    val = send_buf_first;


  		
  




  
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    val = send_buf_first; //val is no longer the send status


  		
  




  
  363
    
    

  		
  




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    while (1) {


  		
  




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      len = send_buf_get(&val);


  		
  




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      WL_DEBUG_PRINT_P("|send_packet_buf_pos:");


  		
  












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