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https://github.com/DCC-EX/CommandStation-EX.git
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different approach to Polplu board and UNUSED_PIN=127
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@ -20,6 +20,10 @@
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#define MotorDriver_h
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// Virtualised Motor shield 1-track hardware Interface
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#ifndef UNUSED_PIN // sync define with the one in MotorDrivers.h
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#define UNUSED_PIN 127 // inside int8_t
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#endif
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class MotorDriver {
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public:
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MotorDriver(byte power_pin, byte signal_pin, byte signal_pin2, int8_t brake_pin, byte current_pin, float senseFactor, unsigned int tripMilliamps, byte faultPin);
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@ -39,7 +43,5 @@ class MotorDriver {
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float senseFactor;
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unsigned int tripMilliamps;
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int rawCurrentTripValue;
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const byte UNUSED_PIN = 255;
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};
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#endif
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@ -13,7 +13,9 @@
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// similar to those defined here, WITHOUT editing this file. You can put your
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// custom defines in config.h.
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const byte UNUSED_PIN = 255;
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#ifndef UNUSED_PIN // sync define with the one in MotorDriver.h
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#define UNUSED_PIN 127 // inside int8_t
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#endif
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// MotorDriver(byte power_pin, byte signal_pin, byte signal_pin2, int8_t brake_pin, byte current_pin,
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// float senseFactor, unsigned int tripMilliamps, byte faultPin);
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@ -28,9 +30,19 @@ const byte UNUSED_PIN = 255;
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new MotorDriver(11, 13, UNUSED_PIN, UNUSED_PIN, A1, 2.99, 2000, UNUSED_PIN)
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// Pololu Motor Shield
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#define POLOLU_MOTOR_SHIELD F("POLOLU_MOTOR_SHIELD"), \
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new MotorDriver(4, 7, UNUSED_PIN, -9, A0, 18, 3000, 12), \
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new MotorDriver(2, 8, UNUSED_PIN, -10, A1, 18, 3000, UNUSED_PIN)
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#define POLOLU_MOTOR_SHIELD F("POLOLU_MOTOR_SHIELD"), \
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new MotorDriver( 9, 7, UNUSED_PIN, -4, A0, 18, 3000, 12), \
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new MotorDriver(10, 8, UNUSED_PIN, UNUSED_PIN, A1, 18, 3000, UNUSED_PIN)
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//
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// Actually, on the Pololu MC33926 shield the enable lines are tied together on pin 4 and the
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// pins 9 and 10 work as "inverted brake" but as we turn on and off the tracks individually
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// via the power pins we above use 9 and 10 as power pins and 4 as "inverted brake" which in this
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// version of the code always will be high. That means this config is not usable for generating
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// a railcom cuotout in the future. For that one must wire the second ^D2 to pin 2 and define
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// the motor driver like this:
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// new MotorDriver(4, 7, UNUSED_PIN, -9, A0, 18, 3000, 12)
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// new MotorDriver(2, 8, UNUSED_PIN, -10, A1, 18, 3000, UNUSED_PIN)
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// See Pololu dial_mc33926_shield_schematic.pdf and truth table on page 17 of the MC33926 data sheet.
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// Firebox Mk1
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#define FIREBOX_MK1 F("FIREBOX_MK1"), \
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