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current trip values on PROG depending on state

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This commit is contained in:
Harald Barth 2020-09-27 12:14:25 +02:00
parent 6911d9ed01
commit c14596a252
5 changed files with 25 additions and 19 deletions
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13
DCCWaveform.cpp
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@ -123,10 +123,13 @@ void DCCWaveform::setPowerMode(POWERMODE mode) {
void DCCWaveform::checkPowerOverload() {
static int progTripValue = motorDriver->mA2raw(TRIP_CURRENT_PROG); // need only calculate once, hence static
if (millis() - lastSampleTaken < sampleDelay) return;
lastSampleTaken = millis();
int tripValue= motorDriver->rawCurrentTripValue;
if (!isMainTrack && (ackPending || progTrackSyncMain)) tripValue=ACK_CURRENT_TRIP;
if (!isMainTrack && !ackPending && !progTrackSyncMain)
tripValue=progTripValue;
switch (powerMode) {
case POWERMODE::OFF:
@ -143,8 +146,8 @@ void DCCWaveform::checkPowerOverload() {
if (power_sample_overload_wait>POWER_SAMPLE_OVERLOAD_WAIT) power_sample_overload_wait=POWER_SAMPLE_OVERLOAD_WAIT;
} else {
setPowerMode(POWERMODE::OVERLOAD);
unsigned int mA=motorDriver->convertToMilliamps(lastCurrent);
unsigned int maxmA=motorDriver->convertToMilliamps(tripValue);
unsigned int mA=motorDriver->raw2mA(lastCurrent);
unsigned int maxmA=motorDriver->raw2mA(tripValue);
DIAG(F("\n*** %S TRACK POWER OVERLOAD current=%d max=%d offtime=%l ***\n"), isMainTrack ? F("MAIN") : F("PROG"), mA, maxmA, power_sample_overload_wait);
power_good_counter=0;
sampleDelay = power_sample_overload_wait;
@ -287,7 +290,7 @@ int DCCWaveform::getLastCurrent() {
void DCCWaveform::setAckBaseline() {
if (isMainTrack) return;
ackThreshold=motorDriver->getCurrentRaw() + (int)(65 / motorDriver->senseFactor);
if (Diag::ACK) DIAG(F("\nACK-BASELINE %d/%dmA"),ackThreshold,motorDriver->convertToMilliamps(ackThreshold));
if (Diag::ACK) DIAG(F("\nACK-BASELINE %d/%dmA"),ackThreshold,motorDriver->raw2mA(ackThreshold));
}
void DCCWaveform::setAckPending() {
@ -303,7 +306,7 @@ void DCCWaveform::setAckPending() {
byte DCCWaveform::getAck() {
if (ackPending) return (2); // still waiting
if (Diag::ACK) DIAG(F("\nACK-%S after %dmS max=%d/%dmA pulse=%duS"),ackDetected?F("OK"):F("FAIL"), ackCheckDuration,
ackMaxCurrent,motorDriver->convertToMilliamps(ackMaxCurrent), ackPulseDuration);
ackMaxCurrent,motorDriver->raw2mA(ackMaxCurrent), ackPulseDuration);
if (ackDetected) return (1); // Yes we had an ack
return(0); // pending set off but not detected means no ACK.
}

4
DCCWaveform.h
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@ -105,7 +105,9 @@ class DCCWaveform {
POWERMODE powerMode;
unsigned long lastSampleTaken;
unsigned int sampleDelay;
static const int ACK_CURRENT_TRIP=1000; // During ACK processing limit can be higher
// Trip current for programming track, 250mA. Change only if you really
// need to be non-NMRA-compliant because of decoders that are not either.
static const int TRIP_CURRENT_PROG=250;
unsigned long power_sample_overload_wait = POWER_SAMPLE_OVERLOAD_WAIT;
unsigned int power_good_counter = 0;

5
MotorDriver.cpp
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@ -76,6 +76,9 @@ int MotorDriver::getCurrentRaw() {
return analogReadFast(currentPin);
}
unsigned int MotorDriver::convertToMilliamps( int raw) {
unsigned int MotorDriver::raw2mA( int raw) {
return (unsigned int)(raw * senseFactor);
}
int MotorDriver::mA2raw( unsigned int mA) {
return (int)(mA / senseFactor);
}

3
MotorDriver.h
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@ -27,7 +27,8 @@ class MotorDriver {
virtual void setSignal( bool high);
virtual void setBrake( bool on);
virtual int getCurrentRaw();
virtual unsigned int convertToMilliamps( int rawValue);
virtual unsigned int raw2mA( int raw);
virtual int mA2raw( unsigned int mA);
byte powerPin, signalPin, signalPin2, brakePin,currentPin,faultPin;
float senseFactor;

19
MotorDrivers.h
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@ -10,40 +10,37 @@
// This file contains configurations for known/supported motor shields.
// A configuration defined by macro here can be used in your sketch.
// A custom hardware setup will require your sketch to create MotorDriver instances
// similar to those defined here, WITHOUT editing this file.
// similar to those defined here, WITHOUT editing this file. You can put your
// custom defines in config.h.
const byte UNUSED_PIN = 255;
// Trip current for programming track in mA. Change only if you really
// need to be non-NMRA-compliant because of decoders that are not either.
#define TRIP_CURRENT_PROG 250
// MotorDriver(byte power_pin, byte signal_pin, byte signal_pin2, byte brake_pin, byte current_pin,
// float senseFactor, unsigned int tripMilliamps, byte faultPin);
// Arduino standard Motor Shield
#define STANDARD_MOTOR_SHIELD F("STANDARD_MOTOR_SHIELD"), \
new MotorDriver(3, 12, UNUSED_PIN, UNUSED_PIN, A0, 2.99, 2000, UNUSED_PIN), \
new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, TRIP_CURRENT_PROG, UNUSED_PIN)
new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, 2000, UNUSED_PIN)
// Pololu Motor Shield
#define POLOLU_MOTOR_SHIELD F("POLOLU_MOTOR_SHIELD"), \
new MotorDriver(4, 7, UNUSED_PIN, 9, A0, 18, 2000, 12), \
new MotorDriver(2, 8, UNUSED_PIN, 10, A1, 18, TRIP_CURRENT_PROG, UNUSED_PIN)
new MotorDriver(4, 7, UNUSED_PIN, 9, A0, 18, 3000, 12), \
new MotorDriver(2, 8, UNUSED_PIN, 10, A1, 18, 3000, UNUSED_PIN)
// Firebox Mk1
#define FIREBOX_MK1 F("FIREBOX_MK1"), \
new MotorDriver(3, 6, 7, UNUSED_PIN, A5, 9.766, 5500, UNUSED_PIN), \
new MotorDriver(4, 8, 9, UNUSED_PIN, A1, 5.00, TRIP_CURRENT_PROG, UNUSED_PIN)
new MotorDriver(4, 8, 9, UNUSED_PIN, A1, 5.00, 1000, UNUSED_PIN)
// Firebox Mk1S
#define FIREBOX_MK1S F("FIREBOX_MK1A"), \
new MotorDriver(24, 21, 22, 25, 23, 9.766, 5500, UNUSED_PIN), \
new MotorDriver(30, 27, 28, 31, 29, 5.00, TRIP_CURRENT_PROG, UNUSED_PIN)
new MotorDriver(30, 27, 28, 31, 29, 5.00, 1000, UNUSED_PIN)
// FunduMoto Motor Shield
#define FUNDUMOTO_SHIELD F("FUNDUMOTO_SHIELD"), \
new MotorDriver(10, 12, UNUSED_PIN, 9, A0, 2.99, 2000, UNUSED_PIN), \
new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, TRIP_CURRENT_PROG, UNUSED_PIN)
new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, 2000, UNUSED_PIN)
#endif