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Fix auto rejoin after prog cmd (needs version n umber!) (#148)

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* ack down flank double check

* ack gap properly reported

* zero gap count; tolerate 2 samples per gap

* Fix auto rejoin after prog cmd

Moved more setup out of the BASELINE loop so its not checked every time while waiting for reset counter.
Added REJOIN diag..

* Stable 100mS and off 30mS

* Init powerOff after flag.

Co-authored-by: Harald Barth <haba@kth.se>
This commit is contained in:
Asbelos 2021-05-07 18:24:34 +01:00 committed by GitHub
parent ebbe698e51
commit 67c8366512
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 123 additions and 36 deletions
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105
DCC.cpp
View File

@ -691,9 +691,31 @@ byte DCC::ackManagerBitNum;
bool DCC::ackReceived;
bool DCC::ackManagerRejoin;
CALLBACK_STATE DCC::callbackState=READY;
ACK_CALLBACK DCC::ackManagerCallback;
void DCC::ackManagerSetup(int cv, byte byteValueOrBitnum, ackOp const program[], ACK_CALLBACK callback) {
if (!DCCWaveform::progTrack.canMeasureCurrent()) {
callback(-2);
return;
}
ackManagerRejoin=DCCWaveform::progTrackSyncMain;
if (ackManagerRejoin ) {
// Change from JOIN must zero resets packet.
setProgTrackSyncMain(false);
DCCWaveform::progTrack.sentResetsSincePacket = 0;
}
DCCWaveform::progTrack.autoPowerOff=false;
if (DCCWaveform::progTrack.getPowerMode() == POWERMODE::OFF) {
DCCWaveform::progTrack.autoPowerOff=true; // power off afterwards
if (Diag::ACK) DIAG(F("Auto Prog power on"));
DCCWaveform::progTrack.setPowerMode(POWERMODE::ON);
DCCWaveform::progTrack.sentResetsSincePacket = 0;
}
ackManagerCv = cv;
ackManagerProg = program;
ackManagerByte = byteValueOrBitnum;
@ -703,8 +725,7 @@ void DCC::ackManagerSetup(int cv, byte byteValueOrBitnum, ackOp const program[]
void DCC::ackManagerSetup(int wordval, ackOp const program[], ACK_CALLBACK callback) {
ackManagerWord=wordval;
ackManagerProg = program;
ackManagerCallback = callback;
ackManagerSetup(0, 0, program, callback);
}
const byte RESET_MIN=8; // tuning of reset counter before sending message
@ -723,21 +744,9 @@ void DCC::ackManagerLoop() {
// (typically waiting for a reset counter or ACK waiting, or when all finished.)
switch (opcode) {
case BASELINE:
ackManagerRejoin=DCCWaveform::progTrackSyncMain;
if (!DCCWaveform::progTrack.canMeasureCurrent()) {
callback(-2);
return;
}
setProgTrackSyncMain(false);
if (DCCWaveform::progTrack.getPowerMode() == POWERMODE::OFF) {
if (Diag::ACK) DIAG(F("Auto Prog power on"));
DCCWaveform::progTrack.setPowerMode(POWERMODE::ON);
DCCWaveform::progTrack.sentResetsSincePacket = 0;
DCCWaveform::progTrack.autoPowerOff=true;
return;
}
if (checkResets(DCCWaveform::progTrack.autoPowerOff ? 20 : 3)) return;
if (checkResets(DCCWaveform::progTrack.autoPowerOff || ackManagerRejoin ? 20 : 3)) return;
DCCWaveform::progTrack.setAckBaseline();
callbackState=READY;
break;
case W0: // write 0 bit
case W1: // write 1 bit
@ -748,6 +757,7 @@ void DCC::ackManagerLoop() {
byte message[] = {cv1(BIT_MANIPULATE, ackManagerCv), cv2(ackManagerCv), instruction };
DCCWaveform::progTrack.schedulePacket(message, sizeof(message), PROG_REPEATS);
DCCWaveform::progTrack.setAckPending();
callbackState=AFTER_WRITE;
}
break;
@ -758,6 +768,7 @@ void DCC::ackManagerLoop() {
byte message[] = {cv1(WRITE_BYTE, ackManagerCv), cv2(ackManagerCv), ackManagerByte};
DCCWaveform::progTrack.schedulePacket(message, sizeof(message), PROG_REPEATS);
DCCWaveform::progTrack.setAckPending();
callbackState=AFTER_WRITE;
}
break;
@ -888,21 +899,61 @@ void DCC::ackManagerLoop() {
ackManagerProg++;
}
}
void DCC::callback(int value) {
ackManagerProg=NULL; // no more steps to execute
if (DCCWaveform::progTrack.autoPowerOff) {
if (Diag::ACK) DIAG(F("Auto Prog power off"));
DCCWaveform::progTrack.doAutoPowerOff();
}
// Restore <1 JOIN> to state before BASELINE
setProgTrackSyncMain(ackManagerRejoin);
void DCC::callback(int value) {
static unsigned long callbackStart;
// We are about to leave programming mode
// Rule 1: If we have written to a decoder we must maintain power for 100mS
// Rule 2: If we are re-joining the main track we must power off for 30mS
switch (callbackState) {
case AFTER_WRITE: // first attempt to callback after a write operation
callbackStart=millis();
callbackState=WAITING_100;
if (Diag::ACK) DIAG(F("Stable 100mS"));
break;
case WAITING_100: // waiting for 100mS
if (millis()-callbackStart < 100) break;
// stable after power maintained for 100mS
// If we are going to power off anyway, it doesnt matter
// but if we will keep the power on, we must off it for 30mS
if (DCCWaveform::progTrack.autoPowerOff) callbackState=READY;
else { // Need to cycle power off and on
DCCWaveform::progTrack.setPowerMode(POWERMODE::OFF);
callbackStart=millis();
callbackState=WAITING_30;
if (Diag::ACK) DIAG(F("OFF 30mS"));
}
break;
case WAITING_30: // waiting for 30mS with power off
if (millis()-callbackStart < 30) break;
//power has been off for 30mS
DCCWaveform::progTrack.setPowerMode(POWERMODE::ON);
callbackState=READY;
break;
case READY: // ready after read, or write after power delay and off period.
// power off if we powered it on
if (DCCWaveform::progTrack.autoPowerOff) {
if (Diag::ACK) DIAG(F("Auto Prog power off"));
DCCWaveform::progTrack.doAutoPowerOff();
}
// Restore <1 JOIN> to state before BASELINE
if (ackManagerRejoin) {
setProgTrackSyncMain(true);
if (Diag::ACK) DIAG(F("Auto JOIN"));
}
if (Diag::ACK) DIAG(F("Callback(%d)"),value);
(ackManagerCallback)( value);
ackManagerProg=NULL; // no more steps to execute
if (Diag::ACK) DIAG(F("Callback(%d)"),value);
(ackManagerCallback)( value);
}
}
void DCC::displayCabList(Print * stream) {
void DCC::displayCabList(Print * stream) {
int used=0;
for (int reg = 0; reg < MAX_LOCOS; reg++) {

11
DCC.h
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@ -54,6 +54,14 @@ enum ackOp : byte
SKIPTARGET = 0xFF // jump to target
};
enum CALLBACK_STATE : byte {
AFTER_WRITE, // Start callback sequence after something was written to the decoder
WAITING_100, // Waiting for 100mS of stable power
WAITING_30, // waiting to 30ms of power off gap.
READY, // Ready to complete callback
};
// Allocations with memory implications..!
// Base system takes approx 900 bytes + 8 per loco. Turnouts, Sensors etc are dynamically created
#ifdef ARDUINO_AVR_UNO
@ -141,12 +149,13 @@ private:
static bool ackReceived;
static bool ackManagerRejoin;
static ACK_CALLBACK ackManagerCallback;
static CALLBACK_STATE callbackState;
static void ackManagerSetup(int cv, byte bitNumOrbyteValue, ackOp const program[], ACK_CALLBACK callback);
static void ackManagerSetup(int wordval, ackOp const program[], ACK_CALLBACK callback);
static void ackManagerLoop();
static bool checkResets( uint8_t numResets);
static const int PROG_REPEATS = 8; // repeats of programming commands (some decoders need at least 8 to be reliable)
// NMRA codes #
static const byte SET_SPEED = 0x3f;
static const byte WRITE_BYTE_MAIN = 0xEC;

32
DCCWaveform.cpp
View File

@ -31,7 +31,10 @@ DCCWaveform DCCWaveform::progTrack(PREAMBLE_BITS_PROG, false);
bool DCCWaveform::progTrackSyncMain=false;
bool DCCWaveform::progTrackBoosted=false;
int DCCWaveform::progTripValue=0;
volatile uint8_t DCCWaveform::numAckGaps=0;
volatile uint8_t DCCWaveform::numAckSamples=0;
uint8_t DCCWaveform::trailingEdgeCounter=0;
void DCCWaveform::begin(MotorDriver * mainDriver, MotorDriver * progDriver) {
mainTrack.motorDriver=mainDriver;
progTrack.motorDriver=progDriver;
@ -290,13 +293,15 @@ void DCCWaveform::setAckPending() {
ackPulseDuration=0;
ackDetected=false;
ackCheckStart=millis();
numAckSamples=0;
numAckGaps=0;
ackPending=true; // interrupt routines will now take note
}
byte DCCWaveform::getAck() {
if (ackPending) return (2); // still waiting
if (Diag::ACK) DIAG(F("%S after %dmS max=%d/%dmA pulse=%duS"),ackDetected?F("ACK"):F("NO-ACK"), ackCheckDuration,
ackMaxCurrent,motorDriver->raw2mA(ackMaxCurrent), ackPulseDuration);
if (Diag::ACK) DIAG(F("%S after %dmS max=%d/%dmA pulse=%duS samples=%d gaps=%d"),ackDetected?F("ACK"):F("NO-ACK"), ackCheckDuration,
ackMaxCurrent,motorDriver->raw2mA(ackMaxCurrent), ackPulseDuration, numAckSamples, numAckGaps);
if (ackDetected) return (1); // Yes we had an ack
return(0); // pending set off but not detected means no ACK.
}
@ -310,10 +315,15 @@ void DCCWaveform::checkAck() {
}
int current=motorDriver->getCurrentRaw();
numAckSamples++;
if (current > ackMaxCurrent) ackMaxCurrent=current;
// An ACK is a pulse lasting between minAckPulseDuration and maxAckPulseDuration uSecs (refer @haba)
if (current>ackThreshold) {
if (trailingEdgeCounter > 0) {
numAckGaps++;
trailingEdgeCounter = 0;
}
if (ackPulseStart==0) ackPulseStart=micros(); // leading edge of pulse detected
return;
}
@ -321,9 +331,21 @@ void DCCWaveform::checkAck() {
// not in pulse
if (ackPulseStart==0) return; // keep waiting for leading edge
// if we reach to this point, we have
// detected trailing edge of pulse
ackPulseDuration=micros()-ackPulseStart;
if (trailingEdgeCounter == 0) {
ackPulseDuration=micros()-ackPulseStart;
}
// but we do not trust it yet and return (which will force another
// measurement) and first the third time around with low current
// the ack detection will be finalized.
if (trailingEdgeCounter < 2) {
trailingEdgeCounter++;
return;
}
trailingEdgeCounter = 0;
if (ackPulseDuration>=minAckPulseDuration && ackPulseDuration<=maxAckPulseDuration) {
ackCheckDuration=millis()-ackCheckStart;
ackDetected=true;

7
DCCWaveform.h
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@ -161,8 +161,11 @@ class DCCWaveform {
unsigned int ackPulseDuration; // micros
unsigned long ackPulseStart; // micros
unsigned int minAckPulseDuration = 2000; // micros
unsigned int minAckPulseDuration = 4000; // micros
unsigned int maxAckPulseDuration = 8500; // micros
volatile static uint8_t numAckGaps;
volatile static uint8_t numAckSamples;
static uint8_t trailingEdgeCounter;
};
#endif

4
version.h
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@ -3,10 +3,12 @@
#include "StringFormatter.h"
#define VERSION "3.0.13"
#define VERSION "3.0.14"
// 3.0.14 gap in ack tolerant fix, prog track power management over join fix.
// 3.0.13 Functions>127 fix
// 3.0.12 Fix HOSTNAME function for STA mode for WiFi
// 3.0.11 ?
// 3.0.11 28 speedstep support
// 3.0.10 Teensy Support
// 3.0.9 rearranges serial newlines for the benefit of JMRI.
// 3.0.8 Includes <* *> wraps around DIAGs for the benefit of JMRI.