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Connect IO_Railcom to Exrail

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This commit is contained in:
Asbelos 2024-10-01 12:29:16 +01:00
parent 0b6b7bcb0d
commit 39c598f195
4 changed files with 50 additions and 19 deletions
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5
EXRAIL3.cpp Normal file
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@ -0,0 +1,5 @@
// file exists to break #include dependency loop
#include "EXRAIL2.h"
void RMFT3::blockEvent(int16_t block, int16_t loco, bool entering) {
RMFT2::blockEvent(block,loco,entering);
};

5
EXRAIL3.h Normal file
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@ -0,0 +1,5 @@
// file exists to break #include dependency loop
class RMFT3 {
public:
static void blockEvent(int16_t block, int16_t loco, bool entering);
};

54
IO_I2CRailcom.h
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@ -45,7 +45,7 @@
#ifndef IO_I2CRailcom_h
#define IO_I2CRailcom_h
#include "EXRAIL3.h"
#include "IODevice.h"
#include "I2CManager.h"
#include "DIAG.h"
@ -63,6 +63,7 @@ private:
byte _inbuf[65];
byte _outbuf[2];
Railcom _channelMonitors[2];
int16_t _locoInBlock[2];
public:
// Constructor
I2CRailcom(VPIN firstVpin, int nPins, I2CAddress i2cAddress){
@ -111,26 +112,41 @@ public:
// Read incoming raw Railcom data, and process accordingly
auto inlength= UART_ReadRegister(REG_RXLV);
if (inlength==0) return;
{
#ifdef DIAG_I2CRailcom
DIAG(F("Railcom: %s/%d RX Fifo: %d"),_I2CAddress.toString(), _UART_CH, inlength);
#endif
_outbuf[0]=(byte)(REG_RHR << 3 | _UART_CH << 1);
I2CManager.read(_I2CAddress, _inbuf, inlength, _outbuf, 1);
#ifdef DIAG_I2CRailcom_data
DIAG(F("Railcom %s/%d RX FIFO Data"), _I2CAddress.toString(), _UART_CH);
for (int i = 0; i < inlength; i++){
DIAG(F("[0x%x]: 0x%x"), i, _inbuf[i]);
}
auto locoid=_channelMonitors[_UART_CH].getChannel1Loco(_inbuf);
DIAG(F("Railcom Channel1=%d"), locoid);
#endif
}
}
#ifdef DIAG_I2CRailcom
DIAG(F("Railcom: %s/%d RX Fifo: %d"),_I2CAddress.toString(), _UART_CH, inlength);
#endif
// Ask UART for the data
_outbuf[0]=(byte)(REG_RHR << 3 | _UART_CH << 1);
I2CManager.read(_I2CAddress, _inbuf, inlength, _outbuf, 1);
#ifdef DIAG_I2CRailcom_data
// Dump data buffer
DIAG(F("Railcom %s/%d RX FIFO Data"), _I2CAddress.toString(), _UART_CH);
for (int i = 0; i < inlength; i++){
DIAG(F("[0x%x]: 0x%x"), i, _inbuf[i]);
}
#endif
// Ask Railcom to interpret the channel1 loco
auto locoid=_channelMonitors[_UART_CH].getChannel1Loco(_inbuf);
DIAG(F("Railcom Channel1=%d"), locoid);
if (locoid<0) return; // -1 indicates Railcom needs another packet
// determine if loco in this block has changed
auto prevLoco=_locoInBlock[_UART_CH];
if (locoid==prevLoco) return;
// Previous loco (if any) is exiting block
if (prevLoco) RMFT3::blockEvent(_firstVpin+_UART_CH,prevLoco,false);
// new loco, if any, is entering block
_locoInBlock[_UART_CH]=locoid;
if (locoid) RMFT3::blockEvent(_firstVpin+_UART_CH,locoid,true);
}
void _display() override {
DIAG(F("I2CRailcom Configured on Vpins:%u-%u %S"), _firstVpin, _firstVpin+_nPins-1,
(_deviceState!=DEVSTATE_NORMAL) ? F("OFFLINE") : F(""));

5
Railcom.h
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@ -25,6 +25,11 @@
class Railcom {
public:
Railcom();
/* returns -1: Call again next packet
0: No loco on track
>0: loco id
*/
int16_t getChannel1Loco(uint8_t * inbound);
private: