thooge
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esp32-nmea2000-obp60
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better display for bus off condition

This commit is contained in:
andreas 2023-08-26 11:06:11 +02:00
parent 28431bfdcf
commit b7a7dad290
3 changed files with 16 additions and 2 deletions
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1
lib/nmea2ktwai/Nmea2kTwai.cpp
View File

@ -157,6 +157,7 @@ Nmea2kTwai::Status Nmea2kTwai::logStatus(){
}
bool Nmea2kTwai::startRecovery(){
lastRecoveryStart=millis();
esp_err_t rt=twai_driver_uninstall();
if (rt != ESP_OK){
logDebug(LOG_ERR,"twai: deinit for recovery failed with %x",(int)rt);

2
lib/nmea2ktwai/Nmea2kTwai.h
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@ -25,6 +25,7 @@ class Nmea2kTwai : public tNMEA2000{
STATE state=ST_ERROR;
} Status;
Status getStatus();
unsigned long getLastRecoveryStart(){return lastRecoveryStart;}
void loop();
static const char * stateStr(const STATE &st);
virtual bool CANOpen();
@ -54,6 +55,7 @@ class Nmea2kTwai : public tNMEA2000{
gpio_num_t RxPin;
uint32_t txTimeouts=0;
GwIntervalRunner timers;
unsigned long lastRecoveryStart=0;
};
#endif

15
src/main.cpp
View File

@ -112,6 +112,7 @@ GwConfigHandler config(&logger);
#include "Nmea2kTwai.h"
static const unsigned long CAN_RECOVERY_PERIOD=3000; //ms
static const unsigned long NMEA2000_HEARTBEAT_INTERVAL=5000;
class Nmea2kTwaiLog : public Nmea2kTwai{
private:
GwLog* logger;
@ -388,7 +389,17 @@ protected:
status["fwtype"]= firmwareType;
status["heap"]=(long)xPortGetFreeHeapSize();
Nmea2kTwai::Status n2kState=NMEA2000.getStatus();
status["n2kstate"]=NMEA2000.stateStr(n2kState.state);
Nmea2kTwai::STATE driverState=n2kState.state;
if (driverState == Nmea2kTwai::ST_RUNNING){
unsigned long lastRec=NMEA2000.getLastRecoveryStart();
if (lastRec > 0 && (lastRec+NMEA2000_HEARTBEAT_INTERVAL*2) > millis()){
//we still report bus off at least for 2 heartbeat intervals
//this avoids always reporting BUS_OFF-RUNNING-BUS_OFF if the bus off condition
//remains
driverState=Nmea2kTwai::ST_BUS_OFF;
}
}
status["n2kstate"]=NMEA2000.stateStr(driverState);
status["n2knode"]=NodeAddress;
//nmea0183Converter->toJson(status);
countNMEA2KIn.toJson(status);
@ -802,7 +813,7 @@ void setup() {
logger.flush();
NMEA2000.SetMode(tNMEA2000::N2km_ListenAndNode, NodeAddress);
NMEA2000.SetForwardOwnMessages(false);
NMEA2000.SetHeartbeatInterval(5000);
NMEA2000.SetHeartbeatInterval(NMEA2000_HEARTBEAT_INTERVAL);
if (sendOutN2k){
// Set the information for other bus devices, which messages we support
unsigned long *pgns=toN2KConverter->handledPgns();