mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-23 16:16:13 +01:00
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*
|
|
* © 2021 Mike S
|
|
* © 2021 Fred Decker
|
|
* © 2020 Chris Harlow
|
|
* All rights reserved.
|
|
*
|
|
* This file is part of Asbelos DCC API
|
|
*
|
|
* This is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* It is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef MotorDriver_h
|
|
#define MotorDriver_h
|
|
#include "FSH.h"
|
|
|
|
// Virtualised Motor shield 1-track hardware Interface
|
|
|
|
#ifndef UNUSED_PIN // sync define with the one in MotorDrivers.h
|
|
#define UNUSED_PIN 127 // inside int8_t
|
|
#endif
|
|
|
|
#if defined(__IMXRT1062__) || defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
|
|
struct FASTPIN {
|
|
volatile uint32_t *inout;
|
|
uint32_t maskHIGH;
|
|
uint32_t maskLOW;
|
|
};
|
|
#else
|
|
struct FASTPIN {
|
|
volatile uint8_t *inout;
|
|
uint8_t maskHIGH;
|
|
uint8_t maskLOW;
|
|
};
|
|
#endif
|
|
|
|
enum class POWERMODE : byte { OFF, ON, OVERLOAD };
|
|
|
|
class MotorDriver {
|
|
public:
|
|
|
|
MotorDriver(byte power_pin, byte signal_pin, byte signal_pin2, int8_t brake_pin,
|
|
byte current_pin, float senseFactor, unsigned int tripMilliamps, byte faultPin);
|
|
virtual void setPower( POWERMODE mode);
|
|
virtual POWERMODE getPower() { return powerMode;}
|
|
virtual void setSignal( bool high);
|
|
virtual void setBrake( bool on);
|
|
virtual void setDCSignal(byte speedByte);
|
|
virtual int getCurrentRaw();
|
|
virtual int getCurrentRawInInterrupt();
|
|
virtual unsigned int raw2mA( int raw);
|
|
virtual int mA2raw( unsigned int mA);
|
|
inline int getRawCurrentTripValue() {
|
|
return rawCurrentTripValue;
|
|
}
|
|
bool isPWMCapable();
|
|
bool canMeasureCurrent();
|
|
static bool usePWM;
|
|
static bool commonFaultPin; // This is a stupid motor shield which has only a common fault pin for both outputs
|
|
inline byte getFaultPin() {
|
|
return faultPin;
|
|
}
|
|
void checkPowerOverload(bool useProgLimit, byte trackno);
|
|
private:
|
|
void getFastPin(const FSH* type,int pin, bool input, FASTPIN & result);
|
|
void getFastPin(const FSH* type,int pin, FASTPIN & result) {
|
|
getFastPin(type, pin, 0, result);
|
|
}
|
|
byte powerPin, signalPin, signalPin2, currentPin, faultPin, brakePin;
|
|
FASTPIN fastPowerPin,fastSignalPin, fastSignalPin2, fastBrakePin,fastFaultPin;
|
|
bool dualSignal; // true to use signalPin2
|
|
bool invertBrake; // brake pin passed as negative means pin is inverted
|
|
float senseFactor;
|
|
int senseOffset;
|
|
unsigned int tripMilliamps;
|
|
int rawCurrentTripValue;
|
|
// current sampling
|
|
POWERMODE powerMode;
|
|
unsigned long lastSampleTaken;
|
|
unsigned int sampleDelay;
|
|
int progTripValue;
|
|
int lastCurrent;
|
|
int maxmA;
|
|
int tripmA;
|
|
|
|
// Wait times for power management. Unit: milliseconds
|
|
static const int POWER_SAMPLE_ON_WAIT = 100;
|
|
static const int POWER_SAMPLE_OFF_WAIT = 1000;
|
|
static const int POWER_SAMPLE_OVERLOAD_WAIT = 20;
|
|
|
|
// 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;
|
|
|
|
};
|
|
#endif
|