Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / chips / tda5250 / mac / SpeckMacDP.nc

diff --git a/tos/chips/tda5250/mac/SpeckMacDP.nc b/tos/chips/tda5250/mac/SpeckMacDP.nc
index f5ff82b50994ea914330588e21cca342681d71fd..daa64e713da604a94f87a48e55079be891d71ee3 100644 (file)
--- a/tos/chips/tda5250/mac/SpeckMacDP.nc
+++ b/tos/chips/tda5250/mac/SpeckMacDP.nc
@@ -132,19 +132,15 @@ implementation
 
     /**************** Module Global Constants  *****************/
     enum {
-/*
-        BYTE_TIME=21,                 // byte at 23405 kBit/s, 4b6b encoded
-        PREAMBLE_BYTE_TIME=14,        // byte at 23405 kBit/s, no coding
-        PHY_HEADER_TIME=84,           // 6 Phy Preamble at 23405 bits/s
-        TIME_CORRECTION=16,           // difference between txSFD and rxSFD: 475us
-*/
-        BYTE_TIME=14,                 // byte at 35108 kBit/s, 4b6b encoded
-        PREAMBLE_BYTE_TIME=9,         // byte at 35108 kBit/s, no coding
-        PHY_HEADER_TIME=56,           // 6 Phy Preamble at 35108 bits/s
-        TIME_CORRECTION=11,           // difference between txSFD and rxSFD: to do
-                
+        
+        BYTE_TIME=ENCODED_32KHZ_BYTE_TIME,           // phy encoded
+        PREAMBLE_BYTE_TIME=TDA5250_32KHZ_BYTE_TIME,  // no coding
+        PHY_HEADER_TIME=6*PREAMBLE_BYTE_TIME,        // 6 Phy Preamble
+        TIME_CORRECTION=TDA5250_32KHZ_BYTE_TIME+2,   // difference between txSFD and rxSFD
+        
         SUB_HEADER_TIME=PHY_HEADER_TIME + sizeof(message_header_t)*BYTE_TIME,
         SUB_FOOTER_TIME=2*BYTE_TIME, // 2 bytes crc 
+#ifndef DEFAULT_SLEEP_TIME
         DEFAULT_SLEEP_TIME=1625,
         // DEFAULT_SLEEP_TIME=3250,
         // DEFAULT_SLEEP_TIME=6500,
@@ -152,6 +148,7 @@ implementation
         // DEFAULT_SLEEP_TIME=16384,
         // DEFAULT_SLEEP_TIME=32768U,
         // DEFAULT_SLEEP_TIME=65535U,
+#endif
         DATA_DETECT_TIME=17,
         RX_SETUP_TIME=102,    // time to set up receiver
         TX_SETUP_TIME=58,     // time to set up transmitter
@@ -351,7 +348,7 @@ implementation
             sT = networkSleeptime;
         }
         if(msg == NULL) return;
-        macHdr = (red_mac_header_t *)call SubPacket.getPayload(msg, sizeof(red_mac_header_t) + length);
+        macHdr = (red_mac_header_t *)call SubPacket.getPayload(msg, sizeof(red_mac_header_t));
         macHdr->repetitionCounter = sT/(length * BYTE_TIME + SUB_HEADER_TIME + SUB_FOOTER_TIME) + 1;
         atomic {
             getHeader(msg)->token = seqNo;
@@ -508,11 +505,13 @@ implementation
     }
     
     bool isNewMsg(message_t* msg) {
-        return call Duplicate.isNew(getHeader(msg)->src, (getHeader(msg)->token) & TOKEN_ACK_MASK);
+        return call Duplicate.isNew(getHeader(msg)->src, getHeader(msg)->dest,
+                                    (getHeader(msg)->token) & TOKEN_ACK_MASK);
     }
     
     void rememberMsg(message_t* msg) {
-        call Duplicate.remember(getHeader(msg)->src, (getHeader(msg)->token) & TOKEN_ACK_MASK);
+        call Duplicate.remember(getHeader(msg)->src, getHeader(msg)->dest,
+                                (getHeader(msg)->token) & TOKEN_ACK_MASK);
     }
 
     void prepareAck(message_t* msg) {
@@ -542,6 +541,7 @@ implementation
                 MIN_BACKOFF_MASK = (MIN_BACKOFF_MASK << 1) + 1;
             }
             MIN_BACKOFF_MASK >>= 2;
+            if(MIN_BACKOFF_MASK < 0x3ff) MIN_BACKOFF_MASK=0x3ff;
         }
 #ifdef SPECKMAC_DEBUG
         call SerialDebug.putShortDesc("SpeckMacP");
@@ -791,6 +791,7 @@ implementation
                             rxStat.duplicate = PERF_NEW_MSG;
 #endif
                             storeStrength(msg);
+                            getMetadata(msg)->sfdtime = rxTime;
                             getMetadata(msg)->time = calcGeneratedTime((red_mac_header_t*) payload);
                             getMetadata(msg)->ack = WAS_NOT_ACKED;
                             m = signal MacReceive.receiveDone(msg);
@@ -952,8 +953,10 @@ implementation
     
     async event void RadioTimeStamping.transmittedSFD(uint16_t time, message_t* p_msg ) {
         if((macState == TX) && (p_msg == txBufPtr)) {
+            getMetadata(p_msg)->sfdtime = call LocalTime32kHz.get();
             txMacHdr->time =
-                call TimeDiff32.computeDelta(call LocalTime32kHz.get(), getMetadata(p_msg)->time);
+                call TimeDiff32.computeDelta(getMetadata(p_msg)->sfdtime,
+                                             getMetadata(p_msg)->time);
         }
     }