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CommandStation-EX/Z21Throttle.h
2024-03-24 09:33:44 +01:00

226 lines
7.3 KiB
C++

/*
* © 2023 Thierry Paris / Locoduino
* © 2023 Harald Barth
* All rights reserved.
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* It is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef Z21Throttle_h
#define Z21Throttle_h
//#include "CircularBuffer.hpp"
#include "WiFiClient.h"
#define MAX_MTU 1460
#define UDPBYTE_SIZE 1500
#define UDP_BUFFERSIZE 2048
// Broadcast flags
#define BROADCAST_BASE 0x00000001
#define BROADCAST_RBUS 0x00000002
#define BROADCAST_RAILCOM 0x00000004
#define BROADCAST_SYSTEM 0x00000100
#define BROADCAST_BASE_LOCOINFO 0x00010000
#define BROADCAST_LOCONET 0x01000000
#define BROADCAST_LOCONET_LOCO 0x02000000
#define BROADCAST_LOCONET_SWITCH 0x04000000
#define BROADCAST_LOCONET_DETECTOR 0x08000000
#define BROADCAST_RAILCOM_AUTO 0x00040000
#define BROADCAST_CAN 0x00080000
struct MYLOCOZ21 {
char throttle; //indicates which throttle letter on client, '0' + clientid
int cab; //address of this loco
bool broadcastPending;
uint32_t functionMap;
uint32_t functionToggles;
};
class NetworkClientUDP {
public:
NetworkClientUDP() {
};
bool ok() {
return (inUse);
};
bool inUse = true;
bool connected = false;
IPAddress remoteIP;
int remotePort;
static WiFiUDP client;
};
class Z21Throttle {
public:
static void loop();
static Z21Throttle* getOrAddThrottle(int clientId);
static void markForBroadcast(int cab);
static void forget(byte clientId);
static void findUniqThrottle(int id, char *u);
static void setup(IPAddress ip, int port);
void notifyCvNACK(int inCvAddress);
void notifyCvRead(int inCvAddress, int inValue);
bool parse(byte *networkPacket, int len);
static Z21Throttle *readWriteThrottle; // NULL if no throttle is reading or writing a CV...
static int cvAddress;
static int cvValue;
private:
Z21Throttle(int clientId);
~Z21Throttle();
static const int MAX_MY_LOCO=10; // maximum number of locos assigned to a single client
static const int HEARTBEAT_SECONDS=10; // heartbeat at 4secs to provide messaging transport
static const int ESTOP_SECONDS=20; // eStop if no incoming messages for more than 8secs
static Z21Throttle* firstThrottle;
static byte commBuffer[100];
static byte replyBuffer[20];
static char LorS(int cab);
static bool isThrottleInUse(int cab);
static void setSendTurnoutList();
bool areYouUsingThrottle(int cab);
Z21Throttle* nextThrottle;
int clientid;
char uniq[17] = "";
MYLOCOZ21 myLocos[MAX_MY_LOCO];
int CountLocos() {
int count = 0;
for (int loco=0;loco<MAX_MY_LOCO;loco++)
if (myLocos[loco].throttle != '\0')
count++;
return count;
}
bool initSent; // valid connection established
bool exRailSent; // valid connection established
uint16_t mostRecentCab;
int turnoutListHash; // used to check for changes to turnout list
bool lastPowerState; // last power state sent to this client
int32_t broadcastFlags = BROADCAST_BASE;
int getOrAddLoco(int cab);
void printLocomotives(bool addTab = false);
static void printThrottles(bool printLocomotives);
// sizes : [ 2 ][ 2 ][inLengthData]
// bytes : [length1, length2][Header1, Header2][Data........]
bool notify(unsigned int inHeader, byte* inpData, unsigned int inLengthData, bool inXorInData);
// sizes : [ 2 ][ 2 ][ 1 ][inLengthData]
// bytes : [length1, length2][Header1, Header2][XHeader][Data........]
bool notify(unsigned int inHeader, unsigned int inXHeader, byte* inpData, unsigned int inLengthData, bool inXorInData);
// sizes : [ 2 ][ 2 ][ 1 ][ 1 ][inLengthData]
// bytes : [length1, length2][Header1, Header2][XHeader][DB0][Data........]
bool notify(unsigned int inHeader, unsigned int inXHeader, byte inDB0, byte* inpData, unsigned int inLengthData, bool inXorInData);
void notifyStatus();
void notifyLocoInfo(byte inMSB, byte inLSB);
void notifyTurnoutInfo(byte inMSB, byte inLSB);
void notifyLocoMode(byte inMSB, byte inLSB);
void notifyFirmwareVersion();
void notifyHWInfo();
void write(byte* inpData, int inLengthData);
void setSpeed(byte inNbSteps, byte inDB1, byte inDB2, byte inDB3);
void setFunction(byte inDB1, byte inDB2, byte inDB3);
void cvReadProg(byte inDB1, byte inDB2);
void cvWriteProg(byte inDB1, byte inDB2, byte inDB3);
void cvReadMain(byte inDB1, byte inDB2);
void cvReadPom(byte inDB1, byte inDB2, byte inDB3, byte inDB4);
// callback stuff to support prog track acquire
static Z21Throttle * stashInstance;
static byte stashClient;
static char stashThrottleChar;
static void getLocoCallback(int16_t locoid);
};
#define Z21_UDPPORT 21105
#define Z21_TIMEOUT 60000 // if no activity during 1 minute, disconnect the throttle...
#define HEADER_LAN_GET_SERIAL_NUMBER 0x10
#define HEADER_LAN_LOGOFF 0x30
#define HEADER_LAN_XPRESS_NET 0x40
#define HEADER_LAN_SET_BROADCASTFLAGS 0x50
#define HEADER_LAN_GET_BROADCASTFLAGS 0x51
#define HEADER_LAN_SYSTEMSTATE_GETDATA 0x85 //0x141 0x21 0x24 0x05
#define HEADER_LAN_GET_HWINFO 0x1A
#define HEADER_LAN_GET_LOCOMODE 0x60
#define HEADER_LAN_SET_LOCOMODE 0x61
#define HEADER_LAN_GET_TURNOUTMODE 0x70
#define HEADER_LAN_SET_TURNOUTMODE 0x71
#define HEADER_LAN_RMBUS_DATACHANGED 0x80
#define HEADER_LAN_RMBUS_GETDATA 0x81
#define HEADER_LAN_RMBUS_PROGRAMMODULE 0x82
#define HEADER_LAN_RAILCOM_DATACHANGED 0x88
#define HEADER_LAN_RAILCOM_GETDATA 0x89
#define HEADER_LAN_LOCONET_DISPATCH_ADDR 0xA3
#define HEADER_LAN_LOCONET_DETECTOR 0xA4
#define LAN_GET_CONFIG 0x12
#define LAN_X_HEADER_GENERAL 0x21
#define LAN_X_HEADER_READ_REGISTER 0x22
#define LAN_X_HEADER_SET_STOP 0x80
#define LAN_X_HEADER_GET_FIRMWARE_VERSION 0xF1 //0x141 0x21 0x21 0x00
#define LAN_X_HEADER_GET_LOCO_INFO 0xE3
#define LAN_X_HEADER_SET_LOCO 0xE4
#define LAN_X_HEADER_GET_TURNOUT_INFO 0x43
#define LAN_X_HEADER_SET_TURNOUT 0x53
#define LAN_X_HEADER_CV_READ 0x23
#define LAN_X_HEADER_CV_WRITE 0x24
#define LAN_X_HEADER_CV_POM 0xE6
#define LAN_X_DB0_READ_REGISTER 0x11
#define LAN_X_DB0_GET_VERSION 0x21
#define LAN_X_DB0_GET_STATUS 0x24
#define LAN_X_DB0_SET_TRACK_POWER_OFF 0x80
#define LAN_X_DB0_SET_TRACK_POWER_ON 0x81
#define LAN_X_DB0_LOCO_DCC14 0x10
#define LAN_X_DB0_LOCO_DCC28 0x12
#define LAN_X_DB0_LOCO_DCC128 0x13
#define LAN_X_DB0_SET_LOCO_FUNCTION 0xF8
#define LAN_X_DB0_CV_POM_WRITE 0x30
#define LAN_X_DB0_CV_POM_ACCESSORY_WRITE 0x31
#define LAN_X_OPTION_CV_POM_WRITE_BYTE 0xEC
#define LAN_X_OPTION_CV_POM_WRITE_BIT 0xE8
#define LAN_X_OPTION_CV_POM_READ_BYTE 0xE4
// Replies to the controllers
#define HEADER_LAN_SYSTEMSTATE 0x84
#define LAN_X_HEADER_LOCO_INFO 0xEF
#define LAN_X_HEADER_TURNOUT_INFO 0x43
#define LAN_X_HEADER_FIRMWARE_VERSION 0xF3
#define LAN_X_HEADER_CV_NACK 0x61
#define LAN_X_HEADER_CV_RESULT 0x64
#define LAN_X_DB0_CV_NACK_SC 0x12
#define LAN_X_DB0_CV_NACK 0x13
#endif