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28 speed steps as global debug option

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This commit is contained in:
Harald Barth 2021-03-16 22:51:33 +01:00
parent 55cdbbbb66
commit 46d0304ce0
3 changed files with 40 additions and 17 deletions
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40
DCC.cpp
View File

@ -46,6 +46,7 @@ const byte FN_GROUP_5=0x10;
FSH* DCC::shieldName=NULL;
byte DCC::joinRelay=UNUSED_PIN;
byte DCC::globalSpeedsteps=128;
void DCC::begin(const FSH * motorShieldName, MotorDriver * mainDriver, MotorDriver* progDriver,
byte joinRelayPin) {
@ -81,28 +82,33 @@ void DCC::setThrottle2( uint16_t cab, byte speedCode) {
b[nB++] = highByte(cab) | 0xC0; // convert train number into a two-byte address
b[nB++] = lowByte(cab);
#ifdef USE_28_STEP
if (globalSpeedsteps <= 28) {
uint8_t speed128 = speedCode & 0x7F;
uint8_t speed28;
uint8_t code28;
uint8_t speed128 = speedCode & 0x7F;
uint8_t speed28;
uint8_t code28;
if (speed128 == 0 || speed128 == 1) { // stop or emergency stop
if (speed128 == 0 || speed128 == 1) { // stop or emergency stop
code28 = speed128;
} else {
} else {
speed28= (speed128*10+36)/46; // convert 2-127 to 1-28
code28 = (speed28+3)/2 + 16*(!(speed28 & 1)); // convert 1-28 to DCC 28 step speed code
/*
if (globalSpeedsteps <= 14) // Don't want to do 14 steps, to get F0 there is ugly
code28 = (speed28+3)/2 | (Value of F0); // convert 1-28 to DCC 14 step speed code
else
*/
code28 = (speed28+3)/2 | ( (speed28 & 1) ? 0 : 0b00010000 ); // convert 1-28 to DCC 28 step speed code
}
// Construct command byte from:
// command speed direction
b[nB++] = 0b01000000 | code28 | (0b00100000 * (speedCode & 0x80));
} else { // 128 speedsteps
b[nB++] = SET_SPEED; // 128-step speed control byte
b[nB++] = speedCode; // for encoding see setThrottle
}
// Construct command byte from:
// command speed direction
b[nB++] = 0b01000000 | code28 | (0b00100000 * (speedCode & 0x80));
#else
b[nB++] = SET_SPEED; // 128-step speed control byte
b[nB++] = speedCode; // for encoding see setThrottle
#endif
DCCWaveform::mainTrack.schedulePacket(b, nB, 0);
}

4
DCC.h
View File

@ -102,6 +102,9 @@ public:
static void displayCabList(Print *stream);
static FSH *getMotorShieldName();
static inline void setGlobalSpeedsteps(byte s) {
globalSpeedsteps = s;
};
private:
struct LOCO
@ -119,6 +122,7 @@ private:
static bool issueReminder(int reg);
static int nextLoco;
static FSH *shieldName;
static byte globalSpeedsteps;
static LOCO speedTable[MAX_LOCOS];
static byte cv1(byte opcode, int cv);

13
DCCEXParser.cpp
View File

@ -51,6 +51,9 @@ const int HASH_KEYWORD_LIMIT = 27413;
const int HASH_KEYWORD_ETHERNET = -30767;
const int HASH_KEYWORD_MAX = 16244;
const int HASH_KEYWORD_MIN = 15978;
const int HASH_KEYWORD_SPEED28 = -17064;
const int HASH_KEYWORD_SPEED128 = 25816;
int DCCEXParser::stashP[MAX_COMMAND_PARAMS];
bool DCCEXParser::stashBusy;
@ -766,6 +769,16 @@ bool DCCEXParser::parseD(Print *stream, int params, int p[])
EEStore::dump(p[1]);
return true;
case HASH_KEYWORD_SPEED28:
DCC::setGlobalSpeedsteps(28);
StringFormatter::send(stream, F("28 Speedsteps"));
return true;
case HASH_KEYWORD_SPEED128:
DCC::setGlobalSpeedsteps(128);
StringFormatter::send(stream, F("128 Speedsteps"));
return true;
default: // invalid/unknown
break;
}