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#include <SPI.h>
#include <UIPEthernet.h>
#include <UIP_ATEM.h>
#include <RF24.h>
#include <nRF24L01.h>
//Ethernet
byte mac[] = {0xAA, 0xDD, 0xBB, 0x10, 0x01, 0x01};
IPAddress ip(192, 168, 178, 30);
//IP of the ATEM switcher
ATEM AtemSwitcher(IPAddress(192, 168, 178, 20), 56417);
//program
boolean programStat[4] = {1,1,1,1};
# define programStatLength 4
//preview
boolean previewStat[4] = {1,1,1,1};
# define previewStatLength 4
//program LEDs
const int programLED[] = {2,4};
# define programLEDlength 2
//preview LEDs
const int previewLED[] = {3,5};
# define previewLEDlength 2
//init NRF
RF24 radio (7, 8);
const uint16_t address = 0xADB5;
uint16_t datasend = 0;
//define min interval to send data
unsigned long currentTime = millis();
unsigned long previousTime = 0;
const long intervalTime = 1000;
void setup(){
for (int i=0; i < programLEDlength; i++){
pinMode(programLED[i], OUTPUT);
digitalWrite(programLED[i], HIGH);
}
for (int i=0; i < previewLEDlength; i++){
pinMode(previewLED[i], OUTPUT);
digitalWrite(previewLED[i], HIGH);
}
//start Ethernet
Ethernet.begin(mac,ip);
//start Serial
Serial.begin(9600);
Serial.println("start serial");
//connect to the switcher
Serial.println("connect to ATEM");
AtemSwitcher.serialOutput(false);
AtemSwitcher.connect();
//start NRF
Serial.println("start NRF");
radio.begin();
radio.openWritingPipe(address);
radio.setPALevel(RF24_PA_MIN);
radio.setDataRate(RF24_1MBPS);
//radio.disableDynamicPayloads();
radio.setAutoAck(false);
radio.disableCRC();
radio.stopListening();
delay(100);
}
void loop(){
//check for new packages
AtemSwitcher.runLoop();
currentTime = millis();
if (dataChanged() || currentTime - previousTime >= intervalTime){
sendNRF();
previousTime = currentTime;
delay(20);
}
}
void sendNRF(){
//program
for (int i=0; i < programStatLength; i++) {
datasend = (datasend << 1) + programStat[i];
}
datasend = datasend << (8 - programStatLength);
//preview
for (int i=0; i < programStatLength; i++) {
datasend = (datasend << 1) + previewStat[i];
}
datasend = datasend << (8 - previewStatLength);
//datasend = (datasend << 8) + getChecksum(datasend & 0xFF);
Serial.print(" datasend: ");
Serial.println(datasend, BIN);
radio.writeFast(&datasend, sizeof(datasend));
}
boolean dataChanged(){
boolean changed = false;
for (int i=0; i < programStatLength; i++){
if (AtemSwitcher.getProgramTally(i+1) != programStat[i]){
programStat[i] = AtemSwitcher.getProgramTally(i+1);
if(programLEDlength > i)digitalWrite(programLED[i], programStat[i]);
changed = true;
}
}
for (int i=0; i < previewStatLength; i++){
if (AtemSwitcher.getPreviewTally(i+1) != previewStat[i]){
previewStat[i] = AtemSwitcher.getPreviewTally(i+1);
if(previewLEDlength > i)digitalWrite(previewLED[i], previewStat[i]);
changed = true;
}
}
return changed;
}
byte getChecksum(byte data){
byte checksum = 0;
for (int i=8; i<8; i++) checksum += (data >> i) & B1;
return checksum;
}