Import dmx output library into project.

This commit is contained in:
Travis J Dean 2020-03-30 07:45:33 -04:00
parent 8ff4f50f79
commit a9a7720a11
4 changed files with 158 additions and 19 deletions

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@ -3,16 +3,17 @@
#include "wled.h" #include "wled.h"
/* /*
* Support for DMX via MAX485. * Support for DMX via MAX485.
* Needs the espdmx library. You might have to change the output pin within the library. Sketchy, i know. * Change the output pin in src/dependencies/ESPDMX.cpp if needed.
* Library from:
* https://github.com/Rickgg/ESP-Dmx * https://github.com/Rickgg/ESP-Dmx
*/ */
#ifdef WLED_ENABLE_DMX #ifdef WLED_ENABLE_DMX
#include <ESPDMX.h> #include "src/dependencies/dmx/ESPDMX.h"
DMXESPSerial dmx; DMXESPSerial dmx;
#ifdef WLED_ENABLE_DMX void handleDMX()
void handleDMX() { {
// TODO: calculate brightness manually if no shutter channel is set // TODO: calculate brightness manually if no shutter channel is set
uint8_t brightness = strip.getBrightness(); uint8_t brightness = strip.getBrightness();
@ -47,7 +48,7 @@ void handleDMX() {
case 5: // Shutter channel. Controls the brightness. case 5: // Shutter channel. Controls the brightness.
dmx.write(DMXAddr, brightness); dmx.write(DMXAddr, brightness);
break; break;
case 6:// Sets this channel to 255. Like 0, but more wholesome. case 6: // Sets this channel to 255. Like 0, but more wholesome.
dmx.write(DMXAddr, 255); dmx.write(DMXAddr, 255);
break; break;
} }

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@ -0,0 +1,106 @@
// - - - - -
// ESPDMX - A Arduino library for sending and receiving DMX using the builtin serial hardware port.
// ESPDMX.cpp: Library implementation file
//
// Copyright (C) 2015 Rick <ricardogg95@gmail.com>
// This work is licensed under a GNU style license.
//
// Last change: Marcel Seerig <https://github.com/mseerig>
//
// Documentation and samples are available at https://github.com/Rickgg/ESP-Dmx
// - - - - -
/* ----- LIBRARIES ----- */
#include <Arduino.h>
#include "ESPDMX.h"
#define dmxMaxChannel 512
#define defaultMax 32
#define DMXSPEED 250000
#define DMXFORMAT SERIAL_8N2
#define BREAKSPEED 83333
#define BREAKFORMAT SERIAL_8N1
bool dmxStarted = false;
int sendPin = 2; //dafault on ESP8266
//DMX value array and size. Entry 0 will hold startbyte
uint8_t dmxData[dmxMaxChannel] = {};
int chanSize;
void DMXESPSerial::init() {
chanSize = defaultMax;
Serial1.begin(DMXSPEED);
pinMode(sendPin, OUTPUT);
dmxStarted = true;
}
// Set up the DMX-Protocol
void DMXESPSerial::init(int chanQuant) {
if (chanQuant > dmxMaxChannel || chanQuant <= 0) {
chanQuant = defaultMax;
}
chanSize = chanQuant;
Serial1.begin(DMXSPEED);
pinMode(sendPin, OUTPUT);
dmxStarted = true;
}
// Function to read DMX data
uint8_t DMXESPSerial::read(int Channel) {
if (dmxStarted == false) init();
if (Channel < 1) Channel = 1;
if (Channel > dmxMaxChannel) Channel = dmxMaxChannel;
return(dmxData[Channel]);
}
// Function to send DMX data
void DMXESPSerial::write(int Channel, uint8_t value) {
if (dmxStarted == false) init();
if (Channel < 1) Channel = 1;
if (Channel > chanSize) Channel = chanSize;
if (value < 0) value = 0;
if (value > 255) value = 255;
dmxData[Channel] = value;
}
void DMXESPSerial::end() {
delete dmxData;
chanSize = 0;
Serial1.end();
dmxStarted == false;
}
void DMXESPSerial::update() {
if (dmxStarted == false) init();
//Send break
digitalWrite(sendPin, HIGH);
Serial1.begin(BREAKSPEED, BREAKFORMAT);
Serial1.write(0);
Serial1.flush();
delay(1);
Serial1.end();
//send data
Serial1.begin(DMXSPEED, DMXFORMAT);
digitalWrite(sendPin, LOW);
Serial1.write(dmxData, chanSize);
Serial1.flush();
delay(1);
Serial1.end();
}
// Function to update the DMX bus

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@ -0,0 +1,31 @@
// - - - - -
// ESPDMX - A Arduino library for sending and receiving DMX using the builtin serial hardware port.
// ESPDMX.cpp: Library implementation file
//
// Copyright (C) 2015 Rick <ricardogg95@gmail.com>
// This work is licensed under a GNU style license.
//
// Last change: Marcel Seerig <https://github.com/mseerig>
//
// Documentation and samples are available at https://github.com/Rickgg/ESP-Dmx
// - - - - -
#include <inttypes.h>
#ifndef ESPDMX_h
#define ESPDMX_h
// ---- Methods ----
class DMXESPSerial {
public:
void init();
void init(int MaxChan);
uint8_t read(int Channel);
void write(int channel, uint8_t value);
void update();
void end();
};
#endif

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@ -2,6 +2,7 @@
#include "alexa.h" #include "alexa.h"
#include "blynk.h" #include "blynk.h"
#include "button.h" #include "button.h"
#include "dmx.h"
#include "file.h" #include "file.h"
#include "hue.h" #include "hue.h"
#include "ir.h" #include "ir.h"