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https://github.com/DCC-EX/CommandStation-EX.git
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To make usage easier, use F29 to F31 for frequencies
This commit is contained in:
Harald Barth
parent
a5b73c823a
commit
99a09c713f
11
DCC.cpp
11
DCC.cpp
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@ -153,7 +153,7 @@ uint8_t DCC::getThrottleSpeedByte(int cab) {
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return speedTable[reg].speedCode;
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}
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// returns 0 to 3 for frequency
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// returns 0 to 7 for frequency
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uint8_t DCC::getThrottleFrequency(int cab) {
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#if defined(ARDUINO_AVR_UNO)
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(void)cab;
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@ -162,9 +162,10 @@ uint8_t DCC::getThrottleFrequency(int cab) {
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int reg=lookupSpeedTable(cab);
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if (reg<0)
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return 0; // use default frequency
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uint8_t res = (uint8_t)(speedTable[reg].functions >>30);
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// shift out first 29 bits so we have the 3 "frequency bits" left
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uint8_t res = (uint8_t)(speedTable[reg].functions >>29);
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//DIAG(F("Speed table %d functions %l shifted %d"), reg, speedTable[reg].functions, res);
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return res; // shift out first 30 bits so we have the "frequency bits" left
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return res;
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#endif
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}
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@ -200,7 +201,9 @@ bool DCC::setFn( int cab, int16_t functionNumber, bool on) {
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DCCWaveform::mainTrack.schedulePacket(b, nB, 4);
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}
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// We use the reminder table up to 28 for normal functions.
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// We use 29 to 31 for DC frequency as well.
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// We use 29 to 31 for DC frequency as well so up to 28
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// are "real" functions and 29 to 31 are frequency bits
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// controlled by function buttons
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if (functionNumber > 31)
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return true;
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@ -137,22 +137,27 @@ void DCCTimer::DCCEXanalogWriteFrequencyInternal(uint8_t pin, uint32_t fbits) {
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// We are most likely not on pin 3 or 11 as no known motor shield has that as brake.
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#endif
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#if defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)
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// Speed mapping is done like this:
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// No functions buttons: 000 0 -> low 131Hz
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// Only F29 pressed 001 1 -> mid 490Hz
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// F30 with or w/o F29 01x 2-3 -> high 3400Hz
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// F31 with or w/o F29/30 1xx 4-7 -> supersonic 62500Hz
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uint8_t abits;
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uint8_t bbits;
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if (pin == 9 || pin == 10) { // timer 2 is different
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if (fbits >= 3)
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if (fbits >= 4)
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abits = B00000011;
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else
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abits = B00000001;
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if (fbits >= 3)
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if (fbits >= 4)
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bbits = B0001;
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else if (fbits == 2)
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else if (fbits >= 2)
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bbits = B0010;
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else if (fbits == 1)
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bbits = B0100;
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else
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else // fbits == 0
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bbits = B0110;
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TCCR2A = (TCCR2A & B11111100) | abits; // set WGM0 and WGM1
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@ -162,9 +167,9 @@ void DCCTimer::DCCEXanalogWriteFrequencyInternal(uint8_t pin, uint32_t fbits) {
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} else { // not timer 9 or 10
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abits = B01;
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if (fbits >= 3)
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if (fbits >= 4)
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bbits = B1001;
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else if (fbits == 2)
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else if (fbits >= 2)
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bbits = B0010;
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else if (fbits == 1)
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bbits = B0011;
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@ -154,9 +154,13 @@ void DCCTimer::reset() {
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void DCCTimer::DCCEXanalogWriteFrequency(uint8_t pin, uint32_t f) {
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if (f >= 16)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, f);
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else if (f >= 3)
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else if (f == 7)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 62500);
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else if (f == 2)
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else if (f >= 4)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 32000);
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else if (f >= 3)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 16000);
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else if (f >= 2)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 3400);
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else if (f == 1)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 480);
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@ -260,9 +260,13 @@ void DCCTimer::reset() {
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void DCCTimer::DCCEXanalogWriteFrequency(uint8_t pin, uint32_t f) {
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if (f >= 16)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, f);
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else if (f >= 3)
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else if (f == 7)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 62500);
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else if (f == 2)
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else if (f >= 4)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 32000);
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else if (f >= 3)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 16000);
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else if (f >= 2)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 3400);
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else if (f == 1)
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DCCTimer::DCCEXanalogWriteFrequencyInternal(pin, 480);
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22
EXRAIL2.cpp
22
EXRAIL2.cpp
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@ -679,27 +679,29 @@ void RMFT2::loop2() {
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}
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break;
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case 1:
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//if (loco) DCC::setFn(loco,29,true);
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if (loco) {
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DCC::setFn(loco,30,true);
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DCC::setFn(loco,29,true);
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DCC::setFn(loco,30,false);
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DCC::setFn(loco,31,false);
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}
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break;
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case 2:
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//if (loco) DCC::setFn(loco,30,true);
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if (loco) {
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DCC::setFn(loco,29,false);
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DCC::setFn(loco,30,true);
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DCC::setFn(loco,31,false);
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}
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break;
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case 3:
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if (loco) {
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DCC::setFn(loco,29,false);
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DCC::setFn(loco,30,false);
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DCC::setFn(loco,31,true);
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}
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break;
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case 3:
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//if (loco) DCC::setFn(loco,31,true);
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if (loco) {
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DCC::setFn(loco,30,true);
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DCC::setFn(loco,31,true);
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}
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default:
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; // do nothing
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break;
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}
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break;
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@ -350,10 +350,10 @@ void MotorDriver::setDCSignal(byte speedcode, uint8_t frequency /*default =0*/)
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}
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#endif
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//DIAG(F("Brake pin %d freqency %d"), brakePin, f);
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, f); // set DC PWM frequency to 100Hz XXX May move to setup
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, f); // set DC PWM frequency
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DCCTimer::DCCEXanalogWrite(brakePin,brake);
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#else // all AVR here
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, frequency); // frequency steps 0 to 3
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, frequency); // frequency steps
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analogWrite(brakePin,brake);
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#endif
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}
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@ -406,26 +406,26 @@ void MotorDriver::throttleInrush(bool on) {
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return;
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if ( !(trackMode & (TRACK_MODE_MAIN | TRACK_MODE_PROG | TRACK_MODE_EXT)))
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return;
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byte duty = on ? 208 : 0;
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byte duty = on ? 207 : 0; // duty of 81% at 62500Hz this gives pauses of 3usec
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if (invertBrake)
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duty = 255-duty;
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#if defined(ARDUINO_ARCH_ESP32)
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if(on) {
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DCCTimer::DCCEXanalogWrite(brakePin,duty);
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 62500);
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 7); // 7 means max
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} else {
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ledcDetachPin(brakePin);
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}
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#elif defined(ARDUINO_ARCH_STM32)
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if(on) {
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 62500);
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 7); // 7 means max
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DCCTimer::DCCEXanalogWrite(brakePin,duty);
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} else {
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pinMode(brakePin, OUTPUT);
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}
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#else // all AVR here
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if(on){
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 3);
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DCCTimer::DCCEXanalogWriteFrequency(brakePin, 7); // 7 means max
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}
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analogWrite(brakePin,duty);
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#endif
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