X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Ftda5250%2Fmac%2FSpeckMacDP.nc;h=f5ff82b50994ea914330588e21cca342681d71fd;hb=642abb41f3a44b7b9263c3fa0aabdaa1f9ebb803;hp=204d2b66d04068280ef3da1c2c06c0b0567f6b0e;hpb=0beb31d5cd50733c3c6314568368bbb8eed908d9;p=tinyos-2.x.git diff --git a/tos/chips/tda5250/mac/SpeckMacDP.nc b/tos/chips/tda5250/mac/SpeckMacDP.nc index 204d2b66..f5ff82b5 100644 --- a/tos/chips/tda5250/mac/SpeckMacDP.nc +++ b/tos/chips/tda5250/mac/SpeckMacDP.nc @@ -48,6 +48,9 @@ module SpeckMacDP { interface Packet; interface Sleeptime; interface ChannelCongestion; +#ifdef MAC_EVAL + interface MacEval; +#endif } uses { interface StdControl as CcaStdControl; @@ -81,8 +84,9 @@ module SpeckMacDP { interface GeneralIO as Led0; interface GeneralIO as Led1; interface GeneralIO as Led2; - interface GeneralIO as Led3; -*/ + interface GeneralIO as Led3; +*/ + #ifdef SPECKMAC_DEBUG interface SerialDebug; #endif @@ -128,20 +132,25 @@ 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 SUB_HEADER_TIME=PHY_HEADER_TIME + sizeof(message_header_t)*BYTE_TIME, SUB_FOOTER_TIME=2*BYTE_TIME, // 2 bytes crc - // DEFAULT_SLEEP_TIME=1625, + DEFAULT_SLEEP_TIME=1625, // DEFAULT_SLEEP_TIME=3250, // DEFAULT_SLEEP_TIME=6500, // DEFAULT_SLEEP_TIME=8192, // DEFAULT_SLEEP_TIME=16384, - DEFAULT_SLEEP_TIME=32768U, + // DEFAULT_SLEEP_TIME=32768U, // DEFAULT_SLEEP_TIME=65535U, DATA_DETECT_TIME=17, RX_SETUP_TIME=102, // time to set up receiver @@ -151,8 +160,13 @@ implementation TX_GAP_TIME = RX_ACK_TIMEOUT + TX_SETUP_TIME + 33, // the duration of a send ACK ACK_DURATION = SUB_HEADER_TIME + SUB_FOOTER_TIME, + NAV_FACTOR = 4, +#ifndef MAC_EVAL MAX_SHORT_RETRY=9, MAX_LONG_RETRY=3, + ADD_NAV = 4, + INCREASE_BACKOFF = TRUE, +#endif TOKEN_ACK_FLAG = 64, TOKEN_ACK_MASK = 0x3f, INVALID_SNR = 0xffff, @@ -162,7 +176,13 @@ implementation ZERO_BACKOFF_MASK = 0xff }; - /**************** Module Global Variables *****************/ + /**************** Module Global Variables *****************/ +#ifdef MAC_EVAL + uint8_t MAX_SHORT_RETRY = 9; + uint8_t MAX_LONG_RETRY = 3; + uint8_t ADD_NAV = 4; + bool INCREASE_BACKOFF = TRUE; +#endif /* flags */ typedef enum { SWITCHING = 1, @@ -221,7 +241,6 @@ implementation void setRxMode() { setFlag(&flags, SWITCHING); clearFlag(&flags, RSSI_STABLE); - // sdDebug(10); checkCounter = 0; rssiValue = INVALID_SNR; if(call RadioModes.RxMode() == FAIL) { @@ -242,7 +261,6 @@ implementation } void setSleepMode() { - // sdDebug(20); clearFlag(&flags, RSSI_STABLE); post ReleaseAdcTask(); setFlag(&flags, SWITCHING); @@ -263,7 +281,6 @@ implementation void setTxMode() { post ReleaseAdcTask(); - // sdDebug(30); clearFlag(&flags, RSSI_STABLE); setFlag(&flags, SWITCHING); if(call RadioModes.TxMode() == FAIL) { @@ -288,26 +305,15 @@ implementation void checkSend() { if((shortRetryCounter) && (txBufPtr != NULL) && (isFlagSet(&flags, MESSAGE_PREPARED)) && (macState == SLEEP) && (!isFlagSet(&flags, RESUME_BACKOFF)) && (!call Timer.isRunning())) { - // sdDebug(40); macState = CCA; checkCounter = 0; setRxMode(); } -/* else { - if(txBufPtr) // sdDebug(41); - if(shortRetryCounter) // sdDebug(42); - if(isFlagSet(&flags, MESSAGE_PREPARED)) // sdDebug(43); - if(txBufPtr) { - if(macState == SLEEP) // sdDebug(44); - if(!isFlagSet(&flags, RESUME_BACKOFF)) // sdDebug(45); - if(!call Timer.isRunning()) // sdDebug(46); - } - } -*/ } uint32_t backoff(uint8_t counter) { uint32_t rVal = call Random.rand16() & MIN_BACKOFF_MASK; + if(!INCREASE_BACKOFF) counter = 1; return (rVal << counter) + ZERO_BACKOFF_MASK; } @@ -353,29 +359,21 @@ implementation txMacHdr = macHdr; setFlag(&flags, MESSAGE_PREPARED); if(macState == SLEEP) { - sdDebug(400); } else { - sdDebug(401); } if(!call Timer.isRunning()) { - sdDebug(402); } else { - sdDebug(403); } if(!isFlagSet(&flags, RESUME_BACKOFF)) { - sdDebug(404); } else { - sdDebug(405); } if((macState == SLEEP) && (!call Timer.isRunning()) && (!isFlagSet(&flags, RESUME_BACKOFF))) { if((longRetryCounter == 1) && (getHeader(msg)->dest != AM_BROADCAST_ADDR)) { call Timer.start((call Random.rand16() >> 3) & ZERO_BACKOFF_MASK); - sdDebug(406); } else { call Timer.start(backoff(longRetryCounter)); - sdDebug(407); } } #ifdef SPECKMAC_PERFORMANCE @@ -421,7 +419,6 @@ implementation void signalSendDone(error_t error) { message_t *m; error_t e = error; - // sdDebug(50); atomic { m = txBufPtr; txBufPtr = NULL; @@ -440,8 +437,6 @@ implementation clearFlag(&flags, MESSAGE_PREPARED); clearFlag(&flags, CANCEL_SEND); } - // sdDebug(3000 + e); - // sdDebug(4000 + getHeader(m)->type); signal MacSend.sendDone(m, e); #ifdef SPECKMAC_PERFORMANCE txStat.success = e; @@ -456,7 +451,6 @@ implementation longRetryCounter++; shortRetryCounter = 1; if(longRetryCounter > MAX_LONG_RETRY) { - // sdDebug(60); signalSendDone(FAIL); } } @@ -468,7 +462,6 @@ implementation longRetryCounter++; shortRetryCounter = 1; if(longRetryCounter > MAX_LONG_RETRY) { - // sdDebug(70); signalSendDone(FAIL); } else { post PrepareMsgTask(); @@ -487,13 +480,9 @@ implementation if(call Timer.isRunning()) { restLaufzeit = call TimeDiff16.computeDelta(call Timer.getAlarm(), call Timer.getNow()); call Timer.stop(); - sdDebug(10); - sdDebug(restLaufzeit); if(restLaufzeit > MIN_BACKOFF_MASK << MAX_LONG_RETRY) { restLaufzeit = call Random.rand16() & ZERO_BACKOFF_MASK; } - sdDebug(11); - sdDebug(restLaufzeit); setFlag(&flags, RESUME_BACKOFF); } } @@ -502,8 +491,6 @@ implementation if(!isFlagSet(&flags, RESUME_BACKOFF)) { setFlag(&flags, RESUME_BACKOFF); restLaufzeit = backoff(longRetryCounter); - sdDebug(20); - sdDebug(restLaufzeit); updateRetryCounters(); } } @@ -565,10 +552,10 @@ implementation /**************** SplitControl *****************/ task void StartDoneTask() { - // sdDebug(90); atomic { call SampleTimer.start(localSleeptime); macState = SLEEP; + sdDebug(60); } signal SplitControl.startDone(SUCCESS); } @@ -578,14 +565,13 @@ implementation atomic { macState = INIT; setRxMode(); - // sdDebug(100); } + sdDebug(10); return SUCCESS; } task void StopDoneTask() { call Init.init(); - // sdDebug(110); signal SplitControl.stopDone(SUCCESS); } @@ -596,12 +582,10 @@ implementation atomic { if((macState == SLEEP) && isFlagSet(&flags, SWITCHING)) { macState = STOP; - // sdDebug(120); } else { macState = STOP; setSleepMode(); - // sdDebug(121); } } return SUCCESS; @@ -634,31 +618,27 @@ implementation setFlag(&flags, RSSI_STABLE); if((macState == RX) || (macState == CCA)) { call Timer.start(DATA_DETECT_TIME); - // sdDebug(130); } else if(macState == RX_P) { - // sdDebug(131); if(call RssiAdcResource.isOwner()) call ChannelMonitorData.getSnr(); } else if(macState == RX_ACK) { // if(call RssiAdcResource.isOwner()) call ChannelMonitor.start(); - // sdDebug(132); } else if(macState == RX_ACK_P) { } else if(macState == INIT) { - // sdDebug(133); if(call RssiAdcResource.isOwner()) { + sdDebug(20); call ChannelMonitorControl.updateNoiseFloor(); } else { + sdDebug(21); call RssiAdcResource.request(); } } else if(macState == STOP) { - // sdDebug(134); } else { - // sdDebug(135); } } @@ -667,43 +647,34 @@ implementation clearFlag(&flags, SWITCHING); if((macState == RX) || (macState == RX_ACK) || (macState == CCA) || (macState == INIT) || (macState == STOP)) { - // sdDebug(140); if(macState != RX_ACK) requestAdc(); } else { - // sdDebug(141); } } } async event void RadioModes.TxModeDone() { - // sdDebug(150); atomic { clearFlag(&flags, SWITCHING); if(macState == TX) { setFlag(&flags, ACTION_DETECTED); if(call PacketSend.send(txBufPtr, txLen) == SUCCESS) { - // sdDebug(151); } else { - // sdDebug(152); } } else if(macState == TX_ACK) { if(call PacketSend.send(&ackMsg, 0) == SUCCESS) { - // sdDebug(153); } else { - // sdDebug(154); } } else { - // sdDebug(155); } } } async event void RadioModes.SleepModeDone() { - // sdDebug(160); atomic { clearFlag(&flags, SWITCHING); if(isFlagSet(&flags, ACTION_DETECTED)) { @@ -711,26 +682,19 @@ implementation } else { if(congestionLevel > 0) congestionLevel--; } - // if(congestionLevel > 3) // sdDebug(2000 + congestionLevel); if(macState == SLEEP) { - // sdDebug(161); if(!call Timer.isRunning()) { - // sdDebug(162); if(isFlagSet(&flags, RESUME_BACKOFF)) { - // sdDebug(164); clearFlag(&flags, RESUME_BACKOFF); call Timer.start(restLaufzeit); restLaufzeit = 0; - sdDebug(30); } else { - // sdDebug(165); checkSend(); } } } else if(macState == STOP) { - // sdDebug(168); post StopDoneTask(); } signal ChannelCongestion.congestionEvent(congestionLevel); @@ -743,7 +707,6 @@ implementation atomic { if((shortRetryCounter == 0) && (txBufPtr == NULL)) { clearFlag(&flags, MESSAGE_PREPARED); - // sdDebug(5000 + getHeader(msg)->type); shortRetryCounter = 1; longRetryCounter = 1; txBufPtr = msg; @@ -756,12 +719,10 @@ implementation #endif } else { - // sdDebug(171); err = EBUSY; } } if(err == SUCCESS) { - sdDebug(300); post PrepareMsgTask(); } return err; @@ -771,23 +732,17 @@ implementation error_t err = FAIL; atomic { if(msg == txBufPtr) { - // sdDebug(320); setFlag(&flags, CANCEL_SEND); shortRetryCounter = MAX_SHORT_RETRY + 2; longRetryCounter = MAX_LONG_RETRY + 2; if(macState == SLEEP) { - // sdDebug(321); signalSendDone(ECANCEL); } else { - // sdDebug(322); } - // sdDebug(1000 + macState); err = SUCCESS; } else { - // sdDebug(323); - // sdDebug(1100 + macState); } } return err; @@ -801,7 +756,6 @@ implementation call ChannelMonitor.rxSuccess(); if(macState <= CCA_ACK) { if(macState == CCA) { - sdDebug(100); computeBackoff(); #ifdef SPECKMAC_PERFORMANCE call Performance.macDetectedOnCca(); @@ -810,12 +764,10 @@ implementation if(macState != RX_ACK) { macState = RX_P; } else { - sdDebug(500); macState = RX_ACK_P; } } else if(macState == INIT) { - // sdDebug(180); setFlag(&flags, UNHANDLED_PACKET); } } @@ -829,15 +781,11 @@ implementation rxStat.duplicate = PERF_UNKNOWN; rxStat.repCounter = 0xff; #endif - // sdDebug(190); if(macState == RX_P) { - // sdDebug(191); if(error == SUCCESS) { - // sdDebug(192); isCnt = isControl(msg); if(msgIsForMe(msg)) { if(!isCnt) { - // sdDebug(193); if(isNewMsg(msg)) { #ifdef SPECKMAC_PERFORMANCE rxStat.duplicate = PERF_NEW_MSG; @@ -849,10 +797,8 @@ implementation // assume a buffer swap -- if buffer is not swapped, assume that the // message was not successfully delivered to upper layers if(m != msg) { - // sdDebug(195); rememberMsg(msg); } else { - // sdDebug(196); action = RX; #ifdef SPECKMAC_PERFORMANCE call Performance.macQueueFull(); @@ -865,7 +811,6 @@ implementation } #endif if(needsAckRx(msg) && (action != RX)) { - // sdDebug(197); if(((red_mac_header_t*)payload)->repetitionCounter == 0) { action = CCA_ACK; } @@ -874,7 +819,6 @@ implementation } } else { - // sdDebug(198); if(action != RX) { nav = ((red_mac_header_t*)payload)->repetitionCounter * (SUB_HEADER_TIME + getHeader(msg)->length*BYTE_TIME + @@ -884,12 +828,10 @@ implementation } } else { - // sdDebug(199); action = RX; } } else { - // sdDebug(200); action = SLEEP; if(!isCnt) { nav = ((red_mac_header_t*)payload)->repetitionCounter * @@ -899,24 +841,19 @@ implementation } } else { - // sdDebug(201); action = SLEEP; } } else if(macState == RX_ACK_P) { if(error == SUCCESS) { if(ackIsForMe(msg)) { - sdDebug(510); storeStrength(msg); getMetadata(txBufPtr)->ack = WAS_ACKED; getMetadata(txBufPtr)->repetitions = txMacHdr->repetitionCounter; - // sdDebug(203); signalSendDone(SUCCESS); - // sdDebug(30000 + getHeader(msg)->src); action = SLEEP; } else { - sdDebug(511); updateLongRetryCounters(); // this will eventually schedule the right backoff macState = SLEEP; // so much traffic is going on -- take a nap setSleepMode(); @@ -925,18 +862,15 @@ implementation } else { if(call Timer.isRunning()) { - sdDebug(512); action = RX_ACK; } else { - sdDebug(513); updateLongRetryCounters(); action = RX; } } } else { - // sdDebug(206); action = INIT; } if(action == CCA_ACK) { @@ -956,18 +890,12 @@ implementation macState = SLEEP; if(isFlagSet(&flags, RESUME_BACKOFF)) { if(nav > restLaufzeit) { - sdDebug(40); - sdDebug(restLaufzeit); - restLaufzeit += nav; + if(nav > restLaufzeit) restLaufzeit += ((uint32_t)ADD_NAV*nav/NAV_FACTOR); } - sdDebug(41); - sdDebug(restLaufzeit); } else { setFlag(&flags, RESUME_BACKOFF); restLaufzeit = call Random.rand16() & ZERO_BACKOFF_MASK; - sdDebug(42); - sdDebug(restLaufzeit); } setSleepMode(); } @@ -975,7 +903,6 @@ implementation clearFlag(&flags, UNHANDLED_PACKET); } else { - // sdDebug(207); } #ifdef SPECKMAC_PERFORMANCE if(error == SUCCESS) { @@ -1002,7 +929,6 @@ implementation macState = RX_ACK; setRxMode(); call Timer.start(RX_ACK_TIMEOUT); - // sdDebug(220); checkCounter = 0; } } @@ -1010,9 +936,7 @@ implementation checkCounter = 0; macState = RX; setRxMode(); - // sdDebug(221); -#ifdef SPECKMAC_DEBUG - // sdDebug(40000U + repCounter); +#ifdef SPECKMAC_DEBUG #endif } } @@ -1039,14 +963,12 @@ implementation setFlag(&flags, ACTION_DETECTED); if((macState == RX) || (macState == CCA) || (macState == CCA_ACK)) { if(macState == CCA) { - sdDebug(101); computeBackoff(); #ifdef SPECKMAC_PERFORMANCE call Performance.macBusyOnCca(); #endif } requestAdc(); - // sdDebug(230); macState = RX; checkCounter = 0; call Timer.start(TX_GAP_TIME>>1); @@ -1055,7 +977,6 @@ implementation void checkOnIdle() { if(macState == RX) { - // sdDebug(240); checkCounter++; if(checkCounter < 2) { call Timer.start(DATA_DETECT_TIME); @@ -1068,12 +989,10 @@ implementation else if(macState == CCA) { checkCounter++; if(checkCounter < 3) { - // sdDebug(242); call Timer.start(TX_GAP_TIME >> 1); requestAdc(); } else { - // sdDebug(243); macState = TX; setTxMode(); #ifdef SPECKMAC_PERFORMANCE @@ -1085,29 +1004,24 @@ implementation } async event void Timer.fired() { - // sdDebug(250); if((macState == RX) || (macState == CCA) || (macState == CCA_ACK)) { if((!call RssiAdcResource.isOwner()) || (call ChannelMonitor.start() != SUCCESS)) { if(call UartPhyControl.isBusy()) { - // sdDebug(251); checkOnBusy(); } else { - // sdDebug(252); checkOnIdle(); } } } else if(macState == RX_ACK) { if(needsAckTx(txBufPtr)) { - // sdDebug(254); #ifdef SPECKMAC_PERFORMANCE call Performance.macAckTimeout(); #endif updateLongRetryCounters(); } else { - // sdDebug(255); signalSendDone(SUCCESS); } macState = SLEEP; @@ -1115,36 +1029,29 @@ implementation } else if(macState == TX_ACK) { setTxMode(); - // sdDebug(10000 + getHeader(&ackMsg)->dest); } else if(macState == SLEEP) { if(isFlagSet(&flags, SWITCHING)) { - // sdDebug(256); call Timer.start(call Random.rand16() & 0x0f); } else { if(isFlagSet(&flags, RESUME_BACKOFF)) { - // sdDebug(261); clearFlag(&flags, RESUME_BACKOFF); call Timer.start(restLaufzeit); restLaufzeit = 0; - sdDebug(50); } else { - // sdDebug(262); checkSend(); } } } else if((macState == RX_ACK_P) || (macState == RX_P)) { - // sdDebug(258); } else if(macState == INIT) { - // sdDebug(259); post StartDoneTask(); + sdDebug(50); } else { - // sdDebug(260); } } @@ -1152,13 +1059,10 @@ implementation async event void SampleTimer.fired() { call SampleTimer.start(localSleeptime); - // sdDebug(270); if((macState == SLEEP) && (!isFlagSet(&flags, SWITCHING))) { clearFlag(&flags, ACTION_DETECTED); - sdDebug(200); interruptBackoffTimer(); macState = RX; - // sdDebug(271); setRxMode(); call Timer.stop(); } @@ -1194,12 +1098,10 @@ implementation /****** ChannelMonitor events *********************/ async event void ChannelMonitor.channelBusy() { - // sdDebug(280); checkOnBusy(); } async event void ChannelMonitor.channelIdle() { - // sdDebug(281); checkOnIdle(); } @@ -1207,11 +1109,10 @@ implementation event void ChannelMonitorControl.updateNoiseFloorDone() { if(macState == INIT) { - // sdDebug(290); call Timer.start(call Random.rand16() % localSleeptime); setSleepMode(); + sdDebug(40); } else { - // sdDebug(291); } } @@ -1226,18 +1127,36 @@ implementation macState_t ms; atomic ms = macState; if(ms < SLEEP) { - // sdDebug(300); } else if(ms == INIT) { - // sdDebug(301); + sdDebug(30); call ChannelMonitorControl.updateNoiseFloor(); } else { - // sdDebug(302); post ReleaseAdcTask(); } } + /***** Mac Eval *******************************************/ +#ifdef MAC_EVAL + async command void MacEval.setBackoffMask(uint16_t mask) { + atomic MIN_BACKOFF_MASK = mask; + } + async command void MacEval.increaseBackoff(bool value) { + atomic INCREASE_BACKOFF = value; + } + async command void MacEval.addNav(bool value) { + atomic ADD_NAV = value; + } + async command void MacEval.setLongRetry(uint8_t lr) { + atomic MAX_LONG_RETRY = lr; + } + async command void MacEval.setShortRetry(uint8_t sr) { + atomic MAX_SHORT_RETRY = sr; + } +#endif + + /***** unused events **************************/ default async event void ChannelCongestion.congestionEvent(uint8_t level) {} /***** unused Radio Modes events **************************/