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hmRadio.h - change rx/tx channel hopping logic (#7) 

* hmRadio.h - change rx/tx channel hopping logic

- patch originally provided by beegee3
- timings look very good for 3rd gen., and ok for MI in my environment over several restarts
- runs stable on ESP32 
- not sure wheather this also has any (negative or positive) impact to reboot problem with ESP8266
pull/846/head
rejoe2 2 years ago
committed by GitHub
parent
26ec95d61e
commit
1e6a06b580
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 45 additions and 53 deletions
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  1. 88
      src/hm/hmRadio.h
  2. 10
      src/hm/miPayload.h

88
src/hm/hmRadio.h
View File

@ -101,19 +101,20 @@ class HmRadio {
// change the byte order of the DTU serial number and append the required 0x01 at the end
DTU_RADIO_ID = ((uint64_t)(((dtuSn >> 24) & 0xFF) | ((dtuSn >> 8) & 0xFF00) | ((dtuSn << 8) & 0xFF0000) | ((dtuSn << 24) & 0xFF000000)) << 8) | 0x01;
SPIClass* spi;
#ifdef ESP32
#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3
mSpi = new SPIClass(FSPI);
spi = new SPIClass(FSPI);
#else
mSpi = new SPIClass(VSPI);
spi = new SPIClass(VSPI);
#endif
mSpi->begin(sclk, miso, mosi, cs);
spi->begin(sclk, miso, mosi, cs);
#else
//the old ESP82xx cannot freely place their SPI pins
mSpi = new SPIClass();
mSpi->begin();
spi = new SPIClass();
spi->begin();
#endif
mNrf24.begin(mSpi, ce, cs);
mNrf24.begin(spi, ce, cs);
mNrf24.setRetries(3, 15); // 3*250us + 250us and 15 loops -> 15ms
mNrf24.setChannel(mRfChLst[mRxChIdx]);
@ -123,7 +124,7 @@ class HmRadio {
mNrf24.enableDynamicPayloads();
mNrf24.setCRCLength(RF24_CRC_16);
mNrf24.setAddressWidth(5);
mNrf24.openReadingPipe(1, DTU_RADIO_ID);
mNrf24.openReadingPipe(1, reinterpret_cast<uint8_t*>(&DTU_RADIO_ID));
// enable all receiving interrupts
mNrf24.maskIRQ(false, false, false);
@ -147,32 +148,32 @@ class HmRadio {
bool tx_ok, tx_fail, rx_ready;
mNrf24.whatHappened(tx_ok, tx_fail, rx_ready); // resets the IRQ pin to HIGH
mNrf24.flush_tx(); // empty TX FIFO
//DBGPRINTLN("TX whatHappened Ch" + String(mRfChLst[mTxChIdx]) + " " + String(tx_ok) + String(tx_fail) + String(rx_ready));
// start listening on the default RX channel
mRxChIdx = 0;
// start listening
mNrf24.setChannel(mRfChLst[mRxChIdx]);
mNrf24.startListening();
//uint32_t debug_ms = millis();
uint16_t cnt = 300; // that is 60 times 5 channels
while (0 < cnt--) {
uint32_t startMillis = millis();
while (millis()-startMillis < 4) { // listen 4ms to each channel
uint32_t startMicros = micros();
uint32_t loopMillis = millis();
while (millis()-loopMillis < 400) {
while (micros()-startMicros < 5110) { // listen (4088us or?) 5110us to each channel
if (mIrqRcvd) {
mIrqRcvd = false;
if (getReceived()) { // everything received
//DBGPRINTLN("RX finished Cnt: " + String(300-cnt) + " time used: " + String(millis()-debug_ms)+ " ms");
return true;
}
}
yield();
//yield();
}
switchRxCh(); // switch to next RX channel
yield();
// switch to next RX channel
startMicros = micros();
if(++mRxChIdx >= RF_CHANNELS)
mRxChIdx = 0;
mNrf24.setChannel(mRfChLst[mRxChIdx]);
//yield();
}
yield();
// not finished but time is over
//DBGPRINTLN("RX not finished: 300 time used: " + String(millis()-debug_ms)+ " ms");
return true;
}
@ -205,7 +206,6 @@ class HmRadio {
} else { //MI 2nd gen. specific
switch (cmd) {
case TurnOn:
//mTxBuf[0] = 0x50;
mTxBuf[9] = 0x55;
mTxBuf[10] = 0xaa;
break;
@ -241,9 +241,9 @@ class HmRadio {
sendPacket(invId, 24, isRetransmit, true);
}
void sendCmdPacket(uint64_t invId, uint8_t mid, uint8_t pid, bool isRetransmit, bool isMI=false) {
void sendCmdPacket(uint64_t invId, uint8_t mid, uint8_t pid, bool isRetransmit, bool appendCrc16=true) {
initPacket(invId, mid, pid);
sendPacket(invId, 10, isRetransmit, isMI);
sendPacket(invId, 10, isRetransmit, appendCrc16);
}
void dumpBuf(uint8_t buf[], uint8_t len) {
@ -276,7 +276,6 @@ class HmRadio {
bool getReceived(void) {
bool tx_ok, tx_fail, rx_ready;
mNrf24.whatHappened(tx_ok, tx_fail, rx_ready); // resets the IRQ pin to HIGH
//DBGPRINTLN("RX whatHappened Ch" + String(mRfChLst[mRxChIdx]) + " " + String(tx_ok) + String(tx_fail) + String(rx_ready));
bool isLastPackage = false;
while(mNrf24.available()) {
@ -287,29 +286,21 @@ class HmRadio {
p.ch = mRfChLst[mRxChIdx];
p.len = len;
mNrf24.read(p.packet, len);
mBufCtrl.push(p);
if (p.packet[0] == (TX_REQ_INFO + ALL_FRAMES)) // response from get information command
isLastPackage = (p.packet[9] > 0x81); // > 0x81 indicates last packet received
else if (p.packet[0] == ( 0x0f + ALL_FRAMES) ) // response from MI get information command
isLastPackage = (p.packet[9] > 0x11); // > 0x11 indicates last packet received
else if (p.packet[0] != 0x00 && p.packet[0] != 0x88 && p.packet[0] != 0x92)
// ignore fragment number zero and MI status messages
isLastPackage = true; // response from dev control command
yield();
if (p.packet[0] != 0x00) {
mBufCtrl.push(p);
if (p.packet[0] == (TX_REQ_INFO + ALL_FRAMES)) // response from get information command
isLastPackage = (p.packet[9] > ALL_FRAMES); // > ALL_FRAMES indicates last packet received
else if (p.packet[0] == ( 0x0f + ALL_FRAMES) ) // response from MI get information command
isLastPackage = (p.packet[9] > 0x10); // > 0x10 indicates last packet received
else if ((p.packet[0] != 0x88) && (p.packet[0] != 0x92)) // ignore fragment number zero and MI status messages //#0 was p.packet[0] != 0x00 &&
isLastPackage = true; // response from dev control command
}
}
yield();
}
return isLastPackage;
}
void switchRxCh() {
mNrf24.stopListening();
// get next channel index
if(++mRxChIdx >= RF_CHANNELS)
mRxChIdx = 0;
mNrf24.setChannel(mRfChLst[mRxChIdx]);
mNrf24.startListening();
}
void initPacket(uint64_t invId, uint8_t mid, uint8_t pid) {
DPRINTLN(DBG_VERBOSE, F("initPacket, mid: ") + String(mid, HEX) + F(" pid: ") + String(pid, HEX));
memset(mTxBuf, 0, MAX_RF_PAYLOAD_SIZE);
@ -319,12 +310,12 @@ class HmRadio {
mTxBuf[9] = pid;
}
void sendPacket(uint64_t invId, uint8_t len, bool isRetransmit, bool appendCrc16=false) {
void sendPacket(uint64_t invId, uint8_t len, bool isRetransmit, bool appendCrc16=true) {
//DPRINTLN(DBG_VERBOSE, F("hmRadio.h:sendPacket"));
//DPRINTLN(DBG_VERBOSE, "sent packet: #" + String(mSendCnt));
// append crc's
if (appendCrc16 && len > 10) {
if (appendCrc16 && (len > 10)) {
// crc control data
uint16_t crc = ah::crc16(&mTxBuf[10], len - 10);
mTxBuf[len++] = (crc >> 8) & 0xff;
@ -334,6 +325,10 @@ class HmRadio {
mTxBuf[len] = ah::crc8(mTxBuf, len);
len++;
// set TX and RX channels
mTxChIdx = (mTxChIdx + 1) % RF_CHANNELS;
mRxChIdx = (mTxChIdx + 2) % RF_CHANNELS;
if(mSerialDebug) {
DPRINT(DBG_INFO, F("TX "));
DBGPRINT(String(len));
@ -348,10 +343,6 @@ class HmRadio {
mNrf24.openWritingPipe(reinterpret_cast<uint8_t*>(&invId));
mNrf24.startWrite(mTxBuf, len, false); // false = request ACK response
// switch TX channel for next packet
if(++mTxChIdx >= RF_CHANNELS)
mTxChIdx = 0;
if(isRetransmit)
mRetransmits++;
else
@ -365,7 +356,6 @@ class HmRadio {
uint8_t mTxChIdx;
uint8_t mRxChIdx;
SPIClass* mSpi;
RF24 mNrf24;
uint8_t mTxBuf[MAX_RF_PAYLOAD_SIZE];
};

10
src/hm/miPayload.h
View File

@ -151,7 +151,8 @@ class MiPayload {
cmd2 = cmd == SystemConfigPara ? 0x01 : 0x00; //perhaps we can only try to get second frame?
mSys->Radio.sendCmdPacket(iv->radioId.u64, cmd, cmd2, false, false);
} else {
mSys->Radio.prepareDevInformCmd(iv->radioId.u64, cmd2, mPayload[iv->id].ts, iv->alarmMesIndex, false, cmd);
//mSys->Radio.prepareDevInformCmd(iv->radioId.u64, cmd2, mPayload[iv->id].ts, iv->alarmMesIndex, false, cmd);
mSys->Radio.sendCmdPacket(iv->radioId.u64, cmd, cmd2, false, false);
};
mPayload[iv->id].txCmd = cmd;
@ -479,8 +480,8 @@ const byteAssign_t InfoAssignment[] = {
}
DBGPRINT(F(" 0x"));
DBGHEXLN(cmd);
//mSys->Radio.sendCmdPacket(iv->radioId.u64, cmd, cmd, true);
mSys->Radio.prepareDevInformCmd(iv->radioId.u64, cmd, mPayload[iv->id].ts, iv->alarmMesIndex, true, cmd);
mSys->Radio.sendCmdPacket(iv->radioId.u64, cmd, cmd, true, false);
//mSys->Radio.prepareDevInformCmd(iv->radioId.u64, cmd, mPayload[iv->id].ts, iv->alarmMesIndex, true, cmd);
yield();
}
}
@ -496,7 +497,8 @@ const byteAssign_t InfoAssignment[] = {
DBGPRINT(F("prepareDevInformCmd 0x"));
DBGHEXLN(mPayload[iv->id].txCmd);
mSys->Radio.prepareDevInformCmd(iv->radioId.u64, mPayload[iv->id].txCmd, mPayload[iv->id].ts, iv->alarmMesIndex, true);
//mSys->Radio.prepareDevInformCmd(iv->radioId.u64, mPayload[iv->id].txCmd, mPayload[iv->id].ts, iv->alarmMesIndex, true);
mSys->Radio.sendCmdPacket(iv->radioId.u64, mPayload[iv->id].txCmd, mPayload[iv->id].txCmd, false, false);
}
}
/*else { // payload complete

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