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Add <W locoid> command

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Automatically clears consist and manages short/long addresses
This commit is contained in:
Asbelos 2021-01-18 10:06:46 +00:00
parent b537d7a318
commit 7d90e4241a
4 changed files with 82 additions and 5 deletions
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63
DCC.cpp
View File

@ -399,6 +399,44 @@ const ackOp PROGMEM LOCO_ID_PROG[] = {
FAIL
};
const ackOp PROGMEM SHORT_LOCO_ID_PROG[] = {
BASELINE,
SETCV,(ackOp)19,
SETBYTE, (ackOp)0,
WB,WACK, // ignore router without cv19 support
// Turn off long address flag
SETCV,(ackOp)29,
SETBIT,(ackOp)5,
W0,WACK,NAKFAIL,
SETCV, (ackOp)1,
SETBYTEL, // low byte of word
WB,WACK,NAKFAIL,
VB,WACK,ITCB,
FAIL
};
const ackOp PROGMEM LONG_LOCO_ID_PROG[] = {
BASELINE,
// Clear consist CV 19
SETCV,(ackOp)19,
SETBYTE, (ackOp)0,
WB,WACK, // ignore router without cv19 support
// Turn on long address flag cv29 bit 5
SETCV,(ackOp)29,
SETBIT,(ackOp)5,
W1,WACK,NAKFAIL,
// Store high byte of address in cv 17
SETCV, (ackOp)17,
SETBYTEH, // high byte of word
WB,WACK,NAKFAIL,
VB,WACK,NAKFAIL,
// store
SETCV, (ackOp)18,
SETBYTEL, // low byte of word
WB,WACK,NAKFAIL,
VB,WACK,ITC1, // callback(1) means Ok
FAIL
};
// On the following prog-track functions blocking defaults to false.
// blocking=true forces the API to block, waiting for the response and invoke the callback BEFORE returning.
@ -441,6 +479,13 @@ void DCC::getLocoId(ACK_CALLBACK callback, bool blocking) {
ackManagerSetup(0,0, LOCO_ID_PROG, callback, blocking);
}
void DCC::setLocoId(int id,ACK_CALLBACK callback, bool blocking) {
if (id<=0 || id>9999) callback(-1);
int wordval;
if (id<=127) ackManagerSetup(id,SHORT_LOCO_ID_PROG, callback, blocking);
else ackManagerSetup(id | 0xc000,LONG_LOCO_ID_PROG, callback, blocking);
}
void DCC::forgetLoco(int cab) { // removes any speed reminders for this loco
int reg=lookupSpeedTable(cab);
if (reg>=0) speedTable[reg].loco=0;
@ -573,7 +618,8 @@ int DCC::nextLoco = 0;
ackOp const * DCC::ackManagerProg;
byte DCC::ackManagerByte;
byte DCC::ackManagerStash;
int DCC::ackManagerCv;
int DCC::ackManagerWord;
int DCC::ackManagerCv;
byte DCC::ackManagerBitNum;
bool DCC::ackReceived;
@ -588,6 +634,13 @@ void DCC::ackManagerSetup(int cv, byte byteValueOrBitnum, ackOp const program[]
if (blocking) ackManagerLoop(blocking);
}
void DCC::ackManagerSetup(int wordval, ackOp const program[], ACK_CALLBACK callback, bool blocking) {
ackManagerWord=wordval;
ackManagerProg = program;
ackManagerCallback = callback;
if (blocking) ackManagerLoop(blocking);
}
const byte RESET_MIN=8; // tuning of reset counter before sending message
// checkRessets return true if the caller should yield back to loop and try later.
@ -742,6 +795,14 @@ void DCC::ackManagerLoop(bool blocking) {
ackManagerByte=pgm_read_byte_near(ackManagerProg);
break;
case SETBYTEH:
ackManagerByte=highByte(ackManagerWord);
break;
case SETBYTEL:
ackManagerByte=lowByte(ackManagerWord);
break;
case STASHLOCOID:
ackManagerStash=ackManagerByte; // stash value from CV17
break;

5
DCC.h
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@ -45,6 +45,8 @@ enum ackOp
SETBIT, // sets bit number to next prog byte
SETCV, // sets cv number to next prog byte
SETBYTE, // sets current byte to next prog byte
SETBYTEH, // sets current byte to word high byte
SETBYTEL, // sets current byte to word low byte
STASHLOCOID, // keeps current byte value for later
COMBINELOCOID, // combines current value with stashed value and returns it
ITSKIP, // skip to SKIPTARGET if ack true
@ -90,6 +92,7 @@ public:
static void verifyCVBit(int cv, byte bitNum, bool bitValue, ACK_CALLBACK callback, bool blocking = false);
static void getLocoId(ACK_CALLBACK callback, bool blocking = false);
static void setLocoId(int id,ACK_CALLBACK callback, bool blocking = false);
// Enhanced API functions
static void forgetLoco(int cab); // removes any speed reminders for this loco
@ -126,10 +129,12 @@ private:
static byte ackManagerByte;
static byte ackManagerBitNum;
static int ackManagerCv;
static int ackManagerWord;
static byte ackManagerStash;
static bool ackReceived;
static ACK_CALLBACK ackManagerCallback;
static void ackManagerSetup(int cv, byte bitNumOrbyteValue, ackOp const program[], ACK_CALLBACK callback, bool blocking);
static void ackManagerSetup(int wordval, ackOp const program[], ACK_CALLBACK callback, bool blocking);
static void ackManagerLoop(bool blocking);
static bool checkResets(bool blocking, uint8_t numResets);
static const int PROG_REPEATS = 8; // repeats of programming commands (some decoders need at least 8 to be reliable)

18
DCCEXParser.cpp
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@ -351,9 +351,12 @@ void DCCEXParser::parse(Print *stream, byte *com, bool blocking)
return;
case 'W': // WRITE CV ON PROG <W CV VALUE CALLBACKNUM CALLBACKSUB>
if (!stashCallback(stream, p))
break;
DCC::writeCVByte(p[0], p[1], callback_W, blocking);
if (!stashCallback(stream, p))
break;
if (params == 1) // <W id> Write new loco id (clearing consist and managing short/long)
DCC::setLocoId(p[0],callback_Wloco, blocking);
else // WRITE CV ON PROG <W CV VALUE [CALLBACKNUM] [CALLBACKSUB]>
DCC::writeCVByte(p[0], p[1], callback_W, blocking);
return;
case 'V': // VERIFY CV ON PROG <V CV VALUE> <V CV BIT 0|1>
@ -780,6 +783,13 @@ void DCCEXParser::callback_R(int result)
void DCCEXParser::callback_Rloco(int result)
{
StringFormatter::send(stashStream, F("<r %d>"), result);
StringFormatter::send(stashStream, F("<r %d>"), result & 0x3FFF);
stashBusy = false;
}
void DCCEXParser::callback_Wloco(int result)
{
if (result==1) result=stashP[0]; // pick up original requested id from command
StringFormatter::send(stashStream, F("<w %d>"), result);
stashBusy = false;
}

1
DCCEXParser.h
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@ -59,6 +59,7 @@ struct DCCEXParser
static void callback_B(int result);
static void callback_R(int result);
static void callback_Rloco(int result);
static void callback_Wloco(int result);
static void callback_Vbit(int result);
static void callback_Vbyte(int result);
static FILTER_CALLBACK filterCallback;