thooge/esp32-nmea2000-obp60
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count timeouts to detect offline state

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This commit is contained in:
andreas
2023-08-25 19:48:53 +02:00
parent 9fd25ab6a8
commit f5e48fcab3
3 changed files with 16 additions and 2 deletions
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11
lib/nmea2ktwai/Nmea2kTwai.cpp
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@@ -20,9 +20,13 @@ bool Nmea2kTwai::CANSendFrame(unsigned long id, unsigned char len, const unsigne
memcpy(message.data,buf,len);
esp_err_t rt=twai_transmit(&message,0);
if (rt != ESP_OK){
logDebug(LOG_DEBUG,"twai transmit for %ld failed: %x",LOGID(id),(int)rt);
if (rt == ESP_ERR_TIMEOUT){
txTimeouts++;
}
logDebug(LOG_MSG,"twai transmit for %ld failed: %x",LOGID(id),(int)rt);
return false;
}
txTimeouts=0;
logDebug(LOG_MSG,"twai transmit id %ld, len %d",LOGID(id),(int)len);
return true;
}
@@ -106,6 +110,10 @@ Nmea2kTwai::Status Nmea2kTwai::getStatus(){
rt.tx_failed=state.tx_failed_count;
rt.rx_missed=state.rx_missed_count;
rt.rx_overrun=state.rx_overrun_count;
rt.tx_timeouts=txTimeouts;
if (rt.tx_timeouts > 256 && rt.state == ST_RUNNING){
rt.state=ST_OFFLINE;
}
return rt;
}
@@ -125,6 +133,7 @@ const char * Nmea2kTwai::stateStr(const Nmea2kTwai::STATE &st){
case ST_RECOVERING: return "RECOVERING";
case ST_RUNNING: return "RUNNING";
case ST_STOPPED: return "STOPPED";
case ST_OFFLINE: return "OFFLINE";
}
return "ERROR";
}