mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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Config cleanup & http filter
Optional http filter Additional Firebox motordriver setups (untested) Config.h removed.
This commit is contained in:
Asbelos
parent
a180700f3a
commit
dd09342214
48
CVReader.ino
48
CVReader.ino
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@ -1,20 +1,7 @@
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/*
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* © 2020, Chris Harlow. All rights reserved.
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*
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* This file is part of Asbelos DCC API
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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* This file is a demonstattion of xcalling the Asbelos DCC API
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*/
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@ -24,6 +11,7 @@
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#include "DCCEXParser.h"
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#include "WifiInterface.h"
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#ifdef ARDUINO_AVR_UNO
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#include <SoftwareSerial.h>
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SoftwareSerial Serial1(15,16); // YOU must get thee pins correct to use Wifi on a UNO
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@ -43,7 +31,7 @@
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//
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// The filter must be enabled by calling the DCC EXParser::setFilter method, see use in setup().
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void myFilter(Print * stream, byte & opcode, byte & paramCount, int p[]) {
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void myComandFilter(Print * stream, byte & opcode, byte & paramCount, int p[]) {
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(void)stream; // avoid compiler warning if we don't access this parameter
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switch (opcode) {
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case '!': // Create a bespoke new command to clear all loco reminders <!> or specific locos e.g <! 3 4 99>
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@ -56,6 +44,24 @@ void myFilter(Print * stream, byte & opcode, byte & paramCount, int p[]) {
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}
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}
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// This is an OPTIONAL example of a HTTP filter...
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// If you have configured wifi and an HTTP request is received on the Wifi connection
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// it will normally be rejected 404 Not Found.
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// If you wish to handle HTTP requests, you can create a filter and ask the WifiInterface to
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// call your code for each detected http request.
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void myHttpFilter(Print * stream, byte * cmd) {
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(void)cmd; // Avoid compiler warning because this example doesnt use this parameter
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// BEWARE - As soon as you start responding, the cmd buffer is trashed!
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// You must get everything you need from it before using StringFormatter::send!
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StringFormatter::send(stream,F("HTTP/1.1 200 OK\nContent-Type: text/html\nConnnection: close\n\n"));
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StringFormatter::send(stream,F("<html><body>This is my HTTP filter responding.<br/></body></html>"));
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}
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// Callback functions are necessary if you call any API that must wait for a response from the
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// programming track. The API must return immediately otherwise other loop() functions would be blocked.
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// Your callback function will be invoked when the data arrives from the prog track.
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@ -89,7 +95,9 @@ void setup() {
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// Note: this provides DCC with two motor drivers, main and prog, which handle the motor shield(s)
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// Standard supported devices have pre-configured macros but custome hardware installations require
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// detailed pin mappings and may also require modified subclasses of the MotorDriver to implement specialist logic.
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// STANDARD_MOTOR_SHIELD, POLOLU_MOTOR_SHIELD, FIREBOX_MK1, FIREBOX_MK1S are pre defined in MotorShields.h
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DCC::begin(STANDARD_MOTOR_SHIELD);
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// Responsibility 3: **Optionally** Start the WiFi interface if required.
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@ -102,7 +110,10 @@ void setup() {
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Serial1.begin(WIFI_BAUD);
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WifiInterface::setup(Serial1, F("BTHub5-M6PT"), F("49de8d4862"),F("DCCEX"),F("CVReader"),3532);
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// Optionally tell the Wifi parser to use my http filter.
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// This will intercept http commands from Wifi.
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WifiInterface::setHTTPCallback(myHttpFilter);
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// This is just for demonstration purposes
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DIAG(F("\n===== CVReader demonstrating DCC::getLocoId() call ==========\n"));
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DCC::getLocoId(myCallback); // myCallback will be called with the result
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@ -110,7 +121,8 @@ void setup() {
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// Optionally tell the command parser to use my example filter.
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// This will intercept JMRI commands from both USB and Wifi
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DCCEXParser::setFilter(myFilter);
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DCCEXParser::setFilter(myComandFilter);
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DIAG(F("\nReady for JMRI commands\n"));
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11
DCC.h
11
DCC.h
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@ -19,8 +19,8 @@
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#ifndef DCC_h
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#define DCC_h
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#include <Arduino.h>
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#include "Config.h"
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#include "MotorDriver.h"
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#include "MotorDrivers.h"
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typedef void (*ACK_CALLBACK)(int result);
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@ -47,6 +47,15 @@ ITSKIP, // skip to SKIPTARGET if ack true
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SKIPTARGET=0xFF // jump to target
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};
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// Allocations with memory implications..!
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// Base system takes approx 900 bytes + 8 per loco. Turnouts, Sensors etc are dynamically created
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#ifdef ARDUINO_AVR_UNO
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const byte MAX_LOCOS=20;
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#else
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const byte MAX_LOCOS=50;
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#endif
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class DCC {
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public:
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@ -18,7 +18,6 @@
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*/
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#ifndef DCCWaveform_h
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#define DCCWaveform_h
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#include "Config.h"
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#include "MotorDriver.h"
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const int POWER_SAMPLE_ON_WAIT = 100;
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@ -1,30 +0,0 @@
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/*
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* © 2020, Chris Harlow. All rights reserved.
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*
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* This file is part of Asbelos DCC API
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "HTTPParser.h"
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#include "StringFormatter.h"
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void HTTPParser::parse(Print & stream, byte * cmd) {
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(void)cmd; // Avoid compiler warning because this example doesnt use this parameter
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// BEWARE - As soon as you start responding, the cmd buffer is trashed!
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// You must get everything you need from it before using StringFormatter::send!
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StringFormatter::send(stream,F("HTTP/1.1 200 OK\nContent-Type: text/html\nConnnection: close\n\n"));
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StringFormatter::send(stream,F("<html><body>This is <b>not</b> a web server.<br/></body></html>"));
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}
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26
HTTPParser.h
26
HTTPParser.h
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@ -1,26 +0,0 @@
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/*
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* © 2020, Chris Harlow. All rights reserved.
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*
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* This file is part of Asbelos DCC API
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef HTTPParser_h
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#define HTTPParser_h
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#include <Arduino.h>
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class HTTPParser {
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public:
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static void parse(Print & stream, byte * cmd);
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};
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#endif
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@ -1,5 +1,5 @@
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#ifndef Config_h
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#define Config_h
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#ifndef MotorDrivers_h
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#define MotorDrivers_h
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// *** PLEASE NOTE *** THIS FILE IS **NOT** INTENDED TO BE EDITED WHEN CONFIGURING A SYSTEM.
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// It will be overwritten if the library is updated.
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@ -25,12 +25,16 @@ const byte UNUSED_PIN = 255;
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new MotorDriver(4, 7, UNUSED_PIN, 9 , A0, 18, 2000, 12), \
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new MotorDriver(2, 8, UNUSED_PIN, 10, A1, 18, 250 , UNUSED_PIN)
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// Allocations with memory implications..!
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// Base system takes approx 900 bytes + 8 per loco. Turnouts, Sensors etc are dynamically created
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#ifdef ARDUINO_AVR_UNO
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const byte MAX_LOCOS=20;
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#else
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const byte MAX_LOCOS=50;
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#endif
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// Firebox Mk1
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#define FIREBOX_MK1 \
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new MotorDriver(3, 6, 7, UNUSED_PIN, A5, ??, 5500, UNUSED_PIN), \
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new MotorDriver(4, 8, 9, UNUSED_PIN, A1, ??, 250 , UNUSED_PIN)
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// Firebox Mk1S
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#define FIREBOX_MK1S \
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new MotorDriver(24, 21, 22, 25, 23, ??, 5500, UNUSED_PIN), \
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new MotorDriver(30, 27, 28, 31, 29, ??, 250 , UNUSED_PIN)
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#endif
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@ -17,11 +17,9 @@
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "WifiInterface.h"
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#include "Config.h"
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#include "DIAG.h"
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#include "StringFormatter.h"
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#include "WiThrottle.h"
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#include "HTTPParser.h"
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const char PROGMEM READY_SEARCH[] ="\r\nready\r\n";
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const char PROGMEM OK_SEARCH[] ="\r\nOK\r\n";
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const char PROGMEM END_DETAIL_SEARCH[] ="@ 1000";
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@ -38,6 +36,8 @@ int WifiInterface::connectionId;
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byte WifiInterface::buffer[MAX_WIFI_BUFFER];
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MemStream WifiInterface::streamer(buffer,sizeof(buffer));
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Stream * WifiInterface::wifiStream=NULL;
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HTTP_CALLBACK WifiInterface::httpCallback=0;
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void WifiInterface::setup(Stream & setupStream, const __FlashStringHelper* SSid, const __FlashStringHelper* password,
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const __FlashStringHelper* hostname, const __FlashStringHelper* servername, int port) {
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@ -114,6 +114,10 @@ void WifiInterface::ATCommand(const byte * command) {
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checkForOK(10000,OK_SEARCH,true);
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}
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void WifiInterface::setHTTPCallback(HTTP_CALLBACK callback) {
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httpCallback=callback;
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}
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bool WifiInterface::checkForOK( const unsigned int timeout, const char * waitfor, bool echo) {
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unsigned long startTime = millis();
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char const *locator=waitfor;
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@ -136,7 +140,7 @@ bool WifiInterface::checkForOK( const unsigned int timeout, const char * waitfor
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return false;
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}
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bool WifiInterface::isHTML() {
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bool WifiInterface::isHTTP() {
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// POST GET PUT PATCH DELETE
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// You may think a simple strstr() is better... but not when ram & time is in short supply
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@ -239,9 +243,14 @@ void WifiInterface::loop() {
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// Otherwise we would have to copy the buffer elsewhere and RAM is in short supply.
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closeAfter=false;
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// Intercept HTTP requests
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if (isHTML()) {
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HTTPParser::parse(streamer,buffer);
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if (isHTTP()) {
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if (httpCallback) httpCallback(&streamer,buffer);
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else {
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StringFormatter::send(streamer,F("HTTP/1.1 404 Not Found\nContent-Type: text/html\nConnnection: close\n\n"));
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StringFormatter::send(streamer,F("<html><body>This is <b>not</b> a web server.<br/></body></html>"));
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}
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closeAfter=true;
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}
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else if (buffer[0]=='<') parser.parse(&streamer,buffer, true); // tell JMRI parser that ACKS are blocking because we can't handle the async
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@ -24,6 +24,8 @@
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#include <Arduino.h>
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#include <avr/pgmspace.h>
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typedef void (*HTTP_CALLBACK)(Print * stream, byte * cmd);
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class WifiInterface {
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public:
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@ -31,7 +33,7 @@ class WifiInterface {
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const __FlashStringHelper* hostname, const __FlashStringHelper* servername, int port);
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static void loop();
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static void ATCommand(const byte * command);
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static void setHTTPCallback(HTTP_CALLBACK callback);
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private:
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static Stream * wifiStream;
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@ -39,7 +41,8 @@ class WifiInterface {
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static bool setup2( const __FlashStringHelper* SSSid, const __FlashStringHelper* password,
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const __FlashStringHelper* hostname, const __FlashStringHelper* servername, int port);
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static bool checkForOK(const unsigned int timeout, const char* waitfor, bool echo);
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static bool isHTML();
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static bool isHTTP();
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static HTTP_CALLBACK httpCallback;
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static bool connected;
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static bool closeAfter;
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static byte loopstate;
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