mirror of
https://github.com/wled/WLED.git
synced 2025-04-19 12:27:17 +00:00
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
#pragma once
|
|
#include <cstdint>
|
|
#include <esp_dmx.h>
|
|
#include <atomic>
|
|
#include <mutex>
|
|
|
|
/*
|
|
* Support for DMX/RDM input via serial (e.g. max485) on ESP32
|
|
* ESP32 Library from:
|
|
* https://github.com/someweisguy/esp_dmx
|
|
*/
|
|
class DMXInput
|
|
{
|
|
public:
|
|
void init(uint8_t rxPin, uint8_t txPin, uint8_t enPin, uint8_t inputPortNum);
|
|
void update();
|
|
|
|
/**disable dmx receiver (do this before disabling the cache)*/
|
|
void disable();
|
|
void enable();
|
|
|
|
/// True if dmx is currently connected
|
|
bool isConnected() const { return connected; }
|
|
|
|
private:
|
|
/// @return true if rdm identify is active
|
|
bool isIdentifyOn() const;
|
|
|
|
/**
|
|
* Checks if the global dmx config has changed and updates the changes in rdm
|
|
*/
|
|
void checkAndUpdateConfig();
|
|
|
|
/// overrides everything and turns on all leds
|
|
void turnOnAllLeds();
|
|
|
|
/// installs the dmx driver
|
|
/// @return false on fail
|
|
bool installDriver();
|
|
|
|
/// is called by the dmx receive task regularly to receive new dmx data
|
|
void updateInternal();
|
|
|
|
// is invoked whenver the dmx start address is changed via rdm
|
|
friend void rdmAddressChangedCb(dmx_port_t dmxPort, const rdm_header_t *header,
|
|
void *context);
|
|
|
|
// is invoked whenever the personality is changed via rdm
|
|
friend void rdmPersonalityChangedCb(dmx_port_t dmxPort, const rdm_header_t *header,
|
|
void *context);
|
|
|
|
/// The internal dmx task.
|
|
/// This is the main loop of the dmx receiver. It never returns.
|
|
friend void dmxReceiverTask(void * context);
|
|
|
|
uint8_t inputPortNum = 255;
|
|
uint8_t rxPin = 255;
|
|
uint8_t txPin = 255;
|
|
uint8_t enPin = 255;
|
|
|
|
/// is written to by the dmx receive task.
|
|
byte dmxdata[DMX_PACKET_SIZE];
|
|
/// True once the dmx input has been initialized successfully
|
|
bool initialized = false; // true once init finished successfully
|
|
/// True if dmx is currently connected
|
|
std::atomic<bool> connected{false};
|
|
std::atomic<bool> identify{false};
|
|
/// Timestamp of the last time a dmx frame was received
|
|
unsigned long lastUpdate = 0;
|
|
|
|
/// Taskhandle of the dmx task that is running in the background
|
|
TaskHandle_t task;
|
|
/// Guards access to dmxData
|
|
std::mutex dmxDataLock;
|
|
|
|
};
|