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jmri_helper.cpp
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jmri_helper.cpp
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/*
* © 2022 Pete Nevill
* All rights reserved.
*
* This file is part of JMRI MQTT Accesssory Client
*
* 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/>.
*/
#include "jmri_helper.h"
//set turnout based in input
void JMRI_HELPER::setTurnout(ushort sysname, char* message){
char newstate = 'C';
uint8_t pins = PINS;
//iterate over all boards and pins to find system name that matches
//i am sure there is a better way to do this???
for (uint8_t j=0; j<jmri_data.nDevices; j++){
//we only iterate 9 pins for ESP8266, 16 for the rest.
if (j > 0) pins = I2C_PINS;
for (uint8_t i = 0; i<pins; i++){
//if system name matches and mode is 'T' (turnout) do something
if (jmri_data.devdata[j].names[i] == sysname && jmri_data.devdata[j].mode[i] == 'T') {
//Serial.printf("board: %d, sysname: %d, Message: %s Type: %d\n", j, sysname, message, jmri_data.boardinfo[j].type);
//action for message THROWN
//logging(2,"board: %d pin: %d\n", j, i );
if ( strcmp(message,"THROWN")==0 ){
newstate = 'T';
if (jmri_data.boardinfo[j].type == PCA9685) {
if (jmri_data.devdata[j].pwm[i]){ //if this a PWM device
jmri_data.boardinfo[j].pwm.setPWM(i, 0, JMRI_I2C::pulseWidth(jmri_data.devdata[j].hang[i]));
} else {
jmri_data.boardinfo[j].pwm.setPWM(i, 4096, 0);
}
} else if (jmri_data.boardinfo[j].type == PCF857x ) {
jmri_data.boardinfo[j].PCF.write(i, LOW);
// ESP8266
} else {
if (jmri_data.devdata[j].pwm[i]){ //if this a PWM device
jmri_data.servos[i].write(jmri_data.devdata[j].hang[i]);
} else {
digitalWrite(pintable[i], 1);
}
}
} else {
//action for message CLOSED
newstate = 'C';
if (jmri_data.boardinfo[j].type == PCA9685) {
if (jmri_data.devdata[j].pwm[i]){ //if this a PWM device
jmri_data.boardinfo[j].pwm.setPWM(i, 0, JMRI_I2C::pulseWidth(jmri_data.devdata[j].lang[i]));
} else {
jmri_data.boardinfo[j].pwm.setPWM(i, 0, 4096);
}
} else if (jmri_data.boardinfo[j].type == PCF857x ) {
jmri_data.boardinfo[j].PCF.write(i, HIGH);
// ESP8266
} else {
if (jmri_data.devdata[j].pwm[i]){ //if this a PWM device
jmri_data.servos[i].write(jmri_data.devdata[j].lang[i]);
} else {
digitalWrite(pintable[i],0);
}
}
}
//save new state
jmri_data.devdata[j].state[i] = newstate;
//update dot colour on out web interface
setDot(&j, &i, &newstate);
//this delay is required if multiple pins have the same system name
//due time it takes to update (send events) to webserver and updating/commit eeprom
delay(10);
//save new state to eeprom
JMRI_STORE::saveBoard(&j);
logging(2,F("sysname: %d, Message: %s\n"), sysname, message);
}
}
}
}
//change light state
void JMRI_HELPER::setLight(ushort sysname, char* message){
char newstate = 'N';
uint8_t pins = PINS;
//iterate over all boards and pins to find system name that matches
//i am sure there is a better way to do this???
for (uint8_t j=0; j<jmri_data.nDevices; j++){
//we only iterate 9 pins for ESP8266, 16 for the rest.
if (j > 0) pins = I2C_PINS;
for (uint8_t i = 0; i<pins; i++){
//if system name matches and mode is 'L' (light) do something
if (jmri_data.devdata[j].names[i] == sysname && jmri_data.devdata[j].mode[i] == 'L') {
//Serial.printf("Light: %d State: %s Value: %d\n",sysname, message, jmri_data.data->i2c_value[j][i]);
//action for message OFF
//logging(2,F("board: %d pin: %d\n"), j, i );
if ( strcmp(message,"OFF")==0 ){
newstate = 'F';
if (jmri_data.boardinfo[j].type == PCA9685) {
jmri_data.boardinfo[j].pwm.setPWM(i, 0,4096);
} else if (jmri_data.boardinfo[j].type == PCF857x ){
jmri_data.boardinfo[j].PCF.write(i, LOW);
//ESP8266
} else {
analogWrite(pintable[i],0);
}
} else {
//action for message ON
newstate = 'N';
if (jmri_data.boardinfo[j].type == PCA9685) {
jmri_data.boardinfo[j].pwm.setPWM(i, 4096, 0);
} else if (jmri_data.boardinfo[j].type == PCF857x ) {
jmri_data.boardinfo[j].PCF.write(i, HIGH);
//ESP8266
} else {
analogWrite(pintable[i],255);
}
}
//save state, update webinterface and save to eeprom
jmri_data.devdata[j].state[i] = newstate;
setDot(&j, &i, &newstate);
//this delay is required if multiple pins have the same system name
//due time it takes to update (send events) to webserver and updating/commit eeprom
delay(10);
JMRI_STORE::saveBoard(&j);
logging(2,F("sysname: %d, Message: %s\n"), sysname, message);
}
}
}
}
//function called when user changes the mode (radio button) on web interface
void JMRI_HELPER::setRadioButton(uint8_t* board, uint8_t* pinnum, char pmode ){
char newstate = 'N';
Messg messg;
//detach interrupt if this pin is used as a sensor
if (jmri_data.devdata[*board].mode[*pinnum] == 'S' ){
detachInterrupt(digitalPinToInterrupt(pintable[*pinnum]));
}
//label board/pin with new mode 'T','L','S'
jmri_data.devdata[*board].mode[*pinnum] = pmode;
//if action if new mode is sensor
if (pmode == 'S' && *board==0){
//set pin and interrrupt
pinMode(pintable[*pinnum],INPUT_PULLUP);
attachInterruptArg(digitalPinToInterrupt(pintable[*pinnum]), JMRI_STORE::pinISR, jmri_data.boardinfo[*board].ptr[*pinnum], CHANGE);
//get current state of pin
newstate = 'I';
if (digitalRead(pintable[*pinnum]) == HIGH){
newstate = 'A';
}
//disable webpage dot, update webpage with current state and send MQTT message
flipDot (board, pinnum, "off");
changeSensor (board, pinnum, &newstate);
//JMRI_MQTT::sendMessage(jmri_data.devdata[*board].names[*pinnum], &newstate );
messg.sysname = jmri_data.devdata[*board].names[*pinnum];
messg.messtate = newstate;
jmri_data.messg.push(messg);
//this only for PCF boards as PCA are output only.
} else if (pmode == 'S' && *board > 0){
newstate = 'I';
if (jmri_data.boardinfo[*board].PCF.read(*pinnum) == LOW){
newstate = 'A';
}
//disable webpage dot, update webpage with current state and send MQTT message
flipDot (board, pinnum, "off");
changeSensor (board, pinnum, &newstate);
//JMRI_MQTT::sendMessage(jmri_data.devdata[*board].names[*pinnum], &newstate );
//actions for change to light mode.
} else if ( pmode == 'L') {
//set pinmode for ESP8266
if ( *board == 0 ) {
pinMode(pintable[*pinnum],OUTPUT);
}
//enable webpage dot, update webpage with current state and send MQTT message
flipDot(board, pinnum, "on");
jmri_data.devdata[*board].state[*pinnum] = newstate;
//JMRI_MQTT::sendMessage(jmri_data.devdata[*board].names[*pinnum], &newstate );
messg.sysname = jmri_data.devdata[*board].names[*pinnum];
messg.messtate = newstate;
jmri_data.messg.push(messg);
//actions for change to turnout mode.
} else if ( pmode == 'T') {
//set pinmode for ESP8266
if ( *board == 0 ) {
pinMode(pintable[*pinnum],OUTPUT);
}
//enable webpage dot, update webpage with current state
flipDot (board, pinnum, "on");
newstate = 'C';
//save new state, attach to servo array for ESP8266 and send MQTT message
jmri_data.devdata[*board].state[*pinnum] = newstate;
if ( *board == 0 ) jmri_data.servos[*pinnum].attach( pintable[*pinnum], MIN_PULSE_WIDTH, MAX_PULSE_WIDTH);
//JMRI_MQTT::sendMessage(jmri_data.devdata[*board].names[*pinnum], &newstate );
messg.sysname = jmri_data.devdata[*board].names[*pinnum];
messg.messtate = newstate;
jmri_data.messg.push(messg);
}
//save changes to eeprom
JMRI_STORE::saveBoard(board);
logging(2,F("Board: %d, Pin: %d, mode updated to %c\n"), *board, *pinnum, pmode);
}
//function called when the PWM checkbox is changed
void JMRI_HELPER::setPWMCheck(uint8_t* board, uint8_t* pinnum, bool* newstate ){
logging(2,F("Board: %d, pin: %d: state: %d\n"), *board, *pinnum, *newstate);
//update state in struct and save to eeprom
jmri_data.devdata[*board].pwm[*pinnum] = *newstate;
JMRI_STORE::saveBoard(board);
}
// function called with change of pin mode (radio buttons), to enable or disable click dot.
void JMRI_HELPER::flipDot(uint8_t* board, uint8_t* pinnum, const char* state ){
Event event;
sprintf(event.a, "%ddot%d:%s", *board, *pinnum, state );
sprintf(event.b, "dotEnable");
jmri_data.event.push(event);
logging(2,F("Flip dot: %s\n"),event.a);
}
// function called to change click dot colour and html data-state property
void JMRI_HELPER::setDot(uint8_t *board, uint8_t* pinnum, char* state ){
Event event;
sprintf(event.a, "%ddot%d:%c", *board, *pinnum, *state );
sprintf(event.b, "setDot");
jmri_data.event.push(event);
logging(2,F("Set dot: %s\n"),event.a);
}
//function called when a change to sensor state is detected (via interrupt)
void JMRI_HELPER::changeSensor(uint8_t *board, uint8_t *pinnum, char* newstate){
//JMRI_MQTT::sendMessage(jmri_data.devdata[*board].names[*pinnum], newstate );
Messg messg;
messg.sysname = jmri_data.devdata[*board].names[*pinnum];
messg.messtate = *newstate;
jmri_data.messg.push(messg);
jmri_data.devdata[*board].state[*pinnum] = *newstate;
setDot(board, pinnum, newstate);
//logging(2,F("Interrupt Detected. Board: %d, Pin: %d, State: %c\n"), *board, *pinnum, *newstate);
}
void JMRI_HELPER::pollQueue(){
if (jmri_data.event.count() > 0) {
Event event = jmri_data.event.pop();
JMRI_WEB::send(event.a, event.b, millis());
delay(20);
}
//PCF event queue
if ( jmri_data.inter.count() > 0) {
Inter inter = jmri_data.inter.pop();
JMRI_HELPER::changeSensor( &inter.a, &inter.b, &inter.c);
delay(20);
}
//PCF event queue
if (jmri_data.pcfchange.count() > 0){
JMRI_I2C::PCF_Change(jmri_data.pcfchange.pop());
delay(20);
}
//mqtt message queue
if (jmri_data.messg.count() > 0){
JMRI_MQTT::sendMessage(jmri_data.messg.pop());
delay(20);
}
}
void JMRI_HELPER::logging(uint8_t lvl, const __FlashStringHelper *format, ... ){
if ( format == NULL || lvl > jmri_data.data.loglvl) {
return;
}
va_list args;
va_start(args, format );
_p(lvl,format,args);
va_end(args);
}
void JMRI_HELPER::_p(uint8_t lvl, const __FlashStringHelper *format, va_list args ){
Event mevent;
if(lvl == 2){
sprintf(mevent.a, "DEBUG::");
} else {
mevent.a[0] = '\0';
}
#ifdef __AVR__
vsnprintf_P(mevent.a + strlen(mevent.a), sizeof(mevent.a), (const char *)format, args); // progmem for AVR
#else
vsnprintf(mevent.a + strlen(mevent.a), sizeof(mevent.a), (const char *)format, args); // for the rest of the world
#endif
Serial.print(mevent.a);
if (jmri_telnet::telnetUp()){
jmri_telnet::telPrint(mevent.a);
}
//if (jmri_data.server){
if (WiFi.status() == WL_CONNECTED){
sprintf(mevent.b, "updatelog");
jmri_data.event.push(mevent);
}
}