easylinux/NmraDcc
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made some changes to the handling of Accessory Basic and Extended OPS Mode CV Programming

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This commit is contained in:
Alex Shepherd
2021-09-05 00:28:15 +12:00
parent afe488d792
commit 6333abf691
2 changed files with 53 additions and 30 deletions
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57
NmraDcc.cpp
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@@ -50,7 +50,7 @@
#include "EEPROM.h"
// Uncomment to print DEBUG messages
// #define DEBUG_PRINT
#define DEBUG_PRINT
//------------------------------------------------------------------------
// DCC Receive Routine
@@ -1338,7 +1338,7 @@ void execDccProcessor (DCC_MSG * pDccMsg)
BoardAddress = ( ( (~pDccMsg->Data[1]) & 0b01110000) << 2) | (pDccMsg->Data[0] & 0b00111111) ;
TurnoutPairIndex = ( pDccMsg->Data[1] & 0b00000110) >> 1;
DB_PRINT ("eDP: BAddr:%d, Index:%d", BoardAddress, TurnoutPairIndex);
DB_PRINT ("eDP: Board Address: %d, Index: %d", BoardAddress, TurnoutPairIndex);
// First check for Legacy Accessory Decoder Configuration Variable Access Instruction
// as it's got a different format to the others
@@ -1360,16 +1360,15 @@ void execDccProcessor (DCC_MSG * pDccMsg)
return;
}
OutputAddress = ( ( (BoardAddress - 1) << 2) | TurnoutPairIndex) + 1 ; //decoder output addresses start with 1, packet address range starts with 0
// ( according to NMRA 9.2.2 )
DB_PRINT ("eDP: OAddr:%d", OutputAddress);
DB_PRINT ("eDP: Output Address: %d", OutputAddress);
if (DccProcState.inAccDecDCCAddrNextReceivedMode)
{
if (DccProcState.Flags & FLAGS_OUTPUT_ADDRESS_MODE)
{
DB_PRINT ("eDP: Set OAddr:%d", OutputAddress);
DB_PRINT ("eDP: Set Output Address: %d", OutputAddress);
//uint16_t storedOutputAddress = OutputAddress + 1; // The value stored in CV1 & 9 for Output Addressing Mode is + 1
writeCV (CV_ACCESSORY_DECODER_ADDRESS_LSB, (uint8_t) (OutputAddress % 256));
writeCV (CV_ACCESSORY_DECODER_ADDRESS_MSB, (uint8_t) (OutputAddress / 256));
@@ -1379,7 +1378,7 @@ void execDccProcessor (DCC_MSG * pDccMsg)
}
else
{
DB_PRINT ("eDP: Set BAddr:%d", BoardAddress);
DB_PRINT ("eDP: Set Board Address: %d", BoardAddress);
writeCV (CV_ACCESSORY_DECODER_ADDRESS_LSB, (uint8_t) (BoardAddress % 64));
writeCV (CV_ACCESSORY_DECODER_ADDRESS_MSB, (uint8_t) (BoardAddress / 64));
@@ -1393,9 +1392,9 @@ void execDccProcessor (DCC_MSG * pDccMsg)
// If we're filtering addresses, does the address match our address or is it a broadcast address? If NOT then return
if (DccProcState.Flags & FLAGS_MY_ADDRESS_ONLY)
{
DB_PRINT ("eDP: Check if the Address matches");
if (DccProcState.Flags & FLAGS_OUTPUT_ADDRESS_MODE)
{
DB_PRINT (" AddrChk: OAddr:%d, BAddr:%d, myAddr:%d Chk=%d", OutputAddress, BoardAddress, getMyAddr(), OutputAddress != getMyAddr());
if (OutputAddress != getMyAddr() && OutputAddress < 2045)
{
DB_PRINT ("eDP: OAddr: %d, myAddr: %d - no match", OutputAddress, getMyAddr());
@@ -1410,6 +1409,7 @@ void execDccProcessor (DCC_MSG * pDccMsg)
return;
}
}
DB_PRINT ("eDP: Address Matched");
}
@@ -1419,7 +1419,7 @@ void execDccProcessor (DCC_MSG * pDccMsg)
// According to the NMRA Dcc Spec the Signal State should only use the lower 5 Bits,
// however some manufacturers seem to allow/use all 8 bits, so we'll relax that constraint for now
uint8_t state = pDccMsg->Data[2] ;
DB_PRINT ("eDP: OAddr:%d Extended State:%0X", OutputAddress, state);
DB_PRINT ("eDP: Output Address: %d Extended State: %0X", OutputAddress, state);
if (notifyDccSigOutputState)
notifyDccSigOutputState (OutputAddress, state);
@@ -1439,7 +1439,7 @@ void execDccProcessor (DCC_MSG * pDccMsg)
if (DccProcState.Flags & FLAGS_OUTPUT_ADDRESS_MODE)
{
DB_PRINT ("eDP: OAddr:%d Turnout Dir:%d Output Power:%d", OutputAddress, direction, outputPower);
DB_PRINT ("eDP: Output Address: %d Turnout Dir: %d Output Power: %d", OutputAddress, direction, outputPower);
if (notifyDccAccTurnoutOutput)
notifyDccAccTurnoutOutput (OutputAddress, direction, outputPower);
}
@@ -1460,18 +1460,20 @@ void execDccProcessor (DCC_MSG * pDccMsg)
return;
}
// Check if this command is for our address or the broadcast address
// If its a "Basic Accessory Decoder Packet" OPS Command
if ((pDccMsg->Data[1] & 0x80) == 0x80)
{
DB_PRINT ("eDP: Basic Accessory Decoder Packet OPS Command");
// If we're in FLAGS_OUTPUT_ADDRESS_MODE then return as this isn't for us
DB_PRINT ("eDP: Check if in Output Address Mode");
if(DccProcState.Flags & FLAGS_OUTPUT_ADDRESS_MODE)
{
DB_PRINT ("eDP: Check Output Address:%d", OutputAddress);
if ( (OutputAddress != getMyAddr()) && (OutputAddress < 2045))
{
DB_PRINT ("eDP: Output Address Not Matched");
DB_PRINT ("eDP: Ignore Basic Accessory Decoder Packet in Output Address Mode");
return;
}
}
else
{
// Check if this command is for our Board Address or the broadcast address
DB_PRINT ("eDP: Check Board Address: %d", BoardAddress);
if ( (BoardAddress != getMyAddr()) && (BoardAddress < 511))
{
@@ -1480,6 +1482,27 @@ void execDccProcessor (DCC_MSG * pDccMsg)
}
}
// If its a "Extended Decoder Control Packet" OPS Command
else if ((pDccMsg->Data[1] & 0x81) == 0x01)
{
DB_PRINT ("eDP: Extended Decoder Control Packet OPS Command");
// If we're not in FLAGS_OUTPUT_ADDRESS_MODE then return as this isn't for us
DB_PRINT ("eDP: Check if in Board Address Mode");
if ((DccProcState.Flags & FLAGS_OUTPUT_ADDRESS_MODE) == 0)
{
DB_PRINT ("eDP: Ignore Extended Decoder Control Packet in Board Address Mode");
return;
}
// Check if this command is for our Output Address or the broadcast address
DB_PRINT ("eDP: Check Output Address: %d", OutputAddress);
if ( (OutputAddress != getMyAddr()) && (OutputAddress < 2045))
{
DB_PRINT ("eDP: Output Address Not Matched");
return;
} }
uint16_t cvAddress = ( (pDccMsg->Data[2] & 0b00000011) << 8) + pDccMsg->Data[3] + 1;
uint8_t cvValue = pDccMsg->Data[4];

2
library.properties
View File

@@ -1,5 +1,5 @@
name=NmraDcc
version=2.0.10
version=2.0.11
author=Alex Shepherd, Wolfgang Kuffer, Geoff Bunza, Martin Pischky, Franz-Peter Müller, Sven (littleyoda), Hans Tanner, bugfixes by Jueff
maintainer=Alex Shepherd <kiwi64ajs@gmail.com>
sentence=Enables NMRA DCC Communication