interface Alarm<T32khz, uint16_t> as SampleTimer;
interface Counter<T32khz,uint16_t> as Counter32khz16;
async command am_addr_t amAddress();
+/*
+ interface GeneralIO as Led0;
+ interface GeneralIO as Led1;
+ interface GeneralIO as Led2;
+ interface GeneralIO as Led3;
+*/
#ifdef REDMAC_DEBUG
interface SerialDebug;
#endif
void sdDebug(uint16_t p) {
call SerialDebug.putPlace(p);
}
+ uint8_t repCounter;
#else
void sdDebug(uint16_t p) {};
#endif
/**************** Module Global Constants *****************/
enum {
-/*
- BYTE_TIME=13, // byte at 38400 kBit/s, 4b6b encoded
- PREAMBLE_BYTE_TIME=9, // byte at 38400 kBit/s, no coding
- PHY_HEADER_TIME=51, // 6 Phy Preamble at 38400
-*/
- BYTE_TIME=10, // byte at 49000 kBit/s, 4b6b encoded
- PREAMBLE_BYTE_TIME=7, // byte at 49000 kBit/s, no coding
- PHY_HEADER_TIME=40, // 6 Phy Preamble at 49000
-/*
- BYTE_TIME=12, // byte at 40960 kBit/s, 4b6b encoded
- PREAMBLE_BYTE_TIME=8, // byte at 40960 kBit/s, no coding
- PHY_HEADER_TIME=48, // 6 Phy Preamble at 40960
-*/
- SUB_HEADER_TIME=PHY_HEADER_TIME + sizeof(tda5250_header_t)*BYTE_TIME,
+ 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
+
+ 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=3250,
// DEFAULT_SLEEP_TIME=6500,
// DEFAULT_SLEEP_TIME=9750,
DEFAULT_SLEEP_TIME=16384,
+ // DEFAULT_SLEEP_TIME=32768U,
DATA_DETECT_TIME=17,
- RX_SETUP_TIME=111, // time to set up receiver
- TX_SETUP_TIME=69, // time to set up transmitter
- ADDED_DELAY = PREAMBLE_BYTE_TIME,
- RX_ACK_TIMEOUT = RX_SETUP_TIME + PHY_HEADER_TIME + 2*ADDED_DELAY + 19,
- TX_GAP_TIME=RX_ACK_TIMEOUT + TX_SETUP_TIME + 11,
+ RX_SETUP_TIME=102, // time to set up receiver
+ TX_SETUP_TIME=58, // time to set up transmitter
+ ADDED_DELAY = 30,
+ RX_ACK_TIMEOUT = RX_SETUP_TIME + PHY_HEADER_TIME + ADDED_DELAY + 30,
+ TX_GAP_TIME = RX_ACK_TIMEOUT + TX_SETUP_TIME + 33,
// the duration of a send ACK
ACK_DURATION = SUB_HEADER_TIME + SUB_FOOTER_TIME,
- MAX_SHORT_RETRY=7,
- MAX_LONG_RETRY=2,
+ MAX_SHORT_RETRY=9,
+ MAX_LONG_RETRY=1,
MAX_AGE=2*MAX_LONG_RETRY*MAX_SHORT_RETRY,
MSG_TABLE_ENTRIES=20,
TOKEN_ACK_FLAG = 64,
TOKEN_ACK_MASK = 0x3f,
- /* correct the difference between the transmittedSFD and the receivedSFD
- that appears due to buffering, measured value on an osci is 320us, so this
- value is actually 10.48576
- */
- TIME_CORRECTION = 10,
INVALID_SNR = 0xffff,
// PREAMBLE_LONG = 5,
// PREAMBLE_SHORT = 2,
void checkSend() {
if((shortRetryCounter) && (txBufPtr != NULL) && (isFlagSet(&flags, MESSAGE_PREPARED)) &&
(macState == SLEEP) && (!isFlagSet(&flags, RESUME_BACKOFF)) && (!call Timer.isRunning())) {
- sdDebug(40);
+ // sdDebug(40);
macState = CCA;
checkCounter = 0;
setRxMode();
}
- else {
- if(txBufPtr) sdDebug(41);
- if(shortRetryCounter) sdDebug(42);
- if(isFlagSet(&flags, MESSAGE_PREPARED)) sdDebug(43);
- if(!call Timer.isRunning()) sdDebug(44);
- if(!isFlagSet(&flags, RESUME_BACKOFF)) sdDebug(45);
- if(macState == SLEEP) sdDebug(46);
+/* 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) {
bool prepareRepetition() {
bool repeat;
atomic {
- if(isFlagSet(&flags, CANCEL_SEND)) txMacHdr->repetitionCounter = 0;
- repeat = (txMacHdr->repetitionCounter >= 1);
- txMacHdr->repetitionCounter--;
+ if(isFlagSet(&flags, CANCEL_SEND)) {
+ repeat = txMacHdr->repetitionCounter = 0;
+ }
+ else {
+ repeat = txMacHdr->repetitionCounter;
+ txMacHdr->repetitionCounter--;
+ }
}
return repeat;
}
clearFlag(&flags, MESSAGE_PREPARED);
clearFlag(&flags, CANCEL_SEND);
}
- sdDebug(3000 + e);
+ // sdDebug(3000 + e);
+ // sdDebug(4000 + getHeader(m)->type);
signal MacSend.sendDone(m, e);
}
longRetryCounter++;
shortRetryCounter = 1;
if(longRetryCounter > MAX_LONG_RETRY) {
- sdDebug(60);
+ // sdDebug(60);
signalSendDone(FAIL);
}
}
longRetryCounter++;
shortRetryCounter = 1;
if(longRetryCounter > MAX_LONG_RETRY) {
- sdDebug(70);
+ // sdDebug(70);
signalSendDone(FAIL);
} else {
post PrepareMsgTask();
if(restLaufzeit > MIN_BACKOFF_MASK << MAX_LONG_RETRY) {
restLaufzeit = call Random.rand16() & ZERO_BACKOFF_MASK;
}
- sdDebug(1000);
- sdDebug(restLaufzeit);
setFlag(&flags, RESUME_BACKOFF);
}
}
setFlag(&flags, RESUME_BACKOFF);
restLaufzeit = backoff(longRetryCounter);
updateRetryCounters();
- sdDebug(80);
- sdDebug(restLaufzeit);
}
}
getHeader(&ackMsg)->src = call amAddress();
getHeader(&ackMsg)->dest = getHeader(msg)->src;
getHeader(&ackMsg)->type = getHeader(msg)->type;
+#ifdef REDMAC_DEBUG
+ repCounter = ((red_mac_header_t *)call SubPacket.getPayload(msg, NULL))->repetitionCounter;
+#endif
}
uint32_t calcGeneratedTime(red_mac_header_t *m) {
if(macState == TX) {
setFlag(&flags, ACTION_DETECTED);
if(call PacketSend.send(txBufPtr, txLen) == SUCCESS) {
- sdDebug(151);
+ // sdDebug(151);
}
else {
- sdDebug(152);
+ // sdDebug(152);
}
}
else if(macState == TX_ACK) {
} else {
if(congestionLevel > 0) congestionLevel--;
}
- if(congestionLevel > 3) sdDebug(2000 + 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);
+ // sdDebug(164);
clearFlag(&flags, RESUME_BACKOFF);
call Timer.start(restLaufzeit);
restLaufzeit = 0;
}
else {
- sdDebug(165);
+ // sdDebug(165);
checkSend();
}
}
atomic {
if((shortRetryCounter == 0) && (txBufPtr == NULL)) {
clearFlag(&flags, MESSAGE_PREPARED);
- sdDebug(170);
+ // sdDebug(5000 + getHeader(msg)->type);
shortRetryCounter = 1;
longRetryCounter = 1;
txBufPtr = msg;
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(320);
+ // sdDebug(321);
signalSendDone(ECANCEL);
}
+ else {
+ // sdDebug(322);
+ }
+ // sdDebug(1000 + macState);
err = SUCCESS;
}
+ else {
+ // sdDebug(323);
+ // sdDebug(1100 + macState);
+ }
}
return err;
}
async event void PacketReceive.receiveDetected() {
rssiValue = INVALID_SNR;
setFlag(&flags, ACTION_DETECTED);
+ call ChannelMonitor.rxSuccess();
if(macState <= CCA_ACK) {
if(macState == CCA) computeBackoff();
if(macState != RX_ACK) {
(getMetadata(m))->strength = 1;
}
}
- (getMetadata(msg))->time = calcGeneratedTime((red_mac_header_t*) payload);
+ getMetadata(msg)->time = calcGeneratedTime((red_mac_header_t*) payload);
+ getMetadata(msg)->ack = WAS_NOT_ACKED;
m = signal MacReceive.receiveDone(msg);
// assume a buffer swap -- if buffer is not swapped, assume that the
// message was not successfully delivered to upper layers
signal Teamgeist.gotAck(txBufPtr, getHeader(msg)->src,
getMetadata(txBufPtr)->strength);
}
- sdDebug(203);
+ // sdDebug(203);
signalSendDone(SUCCESS);
+ // sdDebug(30000 + getHeader(msg)->src);
action = SLEEP;
}
else {
}
else {
if(call Timer.isRunning()) {
- // sdDebug(204);
+ sdDebug(204);
action = RX_ACK;
}
else {
action = INIT;
}
if(action == CCA_ACK) {
- prepareAck(msg);
macState = CCA_ACK;
- call Timer.start(RX_SETUP_TIME - TX_SETUP_TIME + (ADDED_DELAY>>level));
+ if(call Random.rand16() & 2) {
+ call Timer.start(RX_SETUP_TIME - TX_SETUP_TIME + 16 - level*8 + ADDED_DELAY);
+ }
+ else {
+ macState = TX_ACK;
+ call Timer.start(RX_SETUP_TIME - TX_SETUP_TIME + 16);
+ }
+ prepareAck(msg);
}
else if(action == RX_ACK) {
macState = RX_ACK;
}
else {
setFlag(&flags, RESUME_BACKOFF);
- restLaufzeit = nav + backoff(longRetryCounter);
+ restLaufzeit = call Random.rand16() & ZERO_BACKOFF_MASK;
}
setSleepMode();
}
async event void PacketSend.sendDone(message_t* msg, error_t error) {
if(macState == TX) {
- sdDebug(220);
macState = RX_ACK;
setRxMode();
call Timer.start(RX_ACK_TIMEOUT);
+ sdDebug(220);
checkCounter = 0;
}
else if(macState == TX_ACK) {
checkCounter = 0;
macState = RX;
setRxMode();
+ sdDebug(221);
+#ifdef REDMAC_DEBUG
+ // sdDebug(40000U + repCounter);
+#endif
}
}
// sdDebug(244);
macState = TX_ACK;
setTxMode();
+ sdDebug(20000 + getHeader(&ackMsg)->dest);
}
}
}
else if(macState == RX_ACK) {
if(prepareRepetition()) {
- // sdDebug(253);
+ sdDebug(253);
macState = TX;
setTxMode();
}
else {
if(needsAckTx(txBufPtr)) {
- // sdDebug(254);
+ sdDebug(254);
updateLongRetryCounters();
}
else {
- sdDebug(255);
+ // sdDebug(255);
signalSendDone(SUCCESS);
}
macState = SLEEP;
setSleepMode();
}
}
+ 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 {
- sdDebug(257);
- checkSend();
+ if(isFlagSet(&flags, RESUME_BACKOFF)) {
+ // sdDebug(261);
+ clearFlag(&flags, RESUME_BACKOFF);
+ call Timer.start(restLaufzeit);
+ restLaufzeit = 0;
+ }
+ else {
+ // sdDebug(262);
+ checkSend();
+ }
}
}
else if((macState == RX_ACK_P) || (macState == RX_P)) {
}
default async event void ChannelCongestion.congestionEvent(uint8_t level) {}
-
+
/***** unused Radio Modes events **************************/
async event void RadioModes.TimerModeDone() {}
projects / tinyos-2.x.git / blobdiff