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96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
#include <SPI.h>
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#include <UIPEthernet.h>
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#include <UIP_ATEM.h>
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#include <RF24.h>
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#include <nRF24L01.h>
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//Ethernet
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byte mac[] = {0xAA, 0xDD, 0xBB, 0x10, 0x01, 0x01};
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IPAddress ip(192, 168, 0, 20);
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//IP of the ATEM switcher
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ATEM AtemSwitcher(IPAddress(192, 168, 0, 50), 56417);
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//tally LEDs
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const int tallyLED[] = {2,3};
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const int tallyLEDlength = 2;
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boolean tallyLEDstat[2];
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//init NRF
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RF24 radio (7, 8);
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const uint16_t address = 0xADB5;
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uint16_t datasend = 0;
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//define min interval to send data
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unsigned long currentTime = millis();
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unsigned long previousTime = 0;
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const long intervalTime = 1000;
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void setup(){
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for (int i=0; i < tallyLEDlength; i++){
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pinMode(tallyLED[i], OUTPUT);
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digitalWrite(tallyLED[i], LOW);
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}
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//start Ethernet
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Ethernet.begin(mac,ip);
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//start Serial
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Serial.begin(9600);
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//connect to the switcher
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AtemSwitcher.serialOutput(true);
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AtemSwitcher.connect();
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//start NRF
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radio.begin();
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radio.openWritingPipe(address);
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radio.setPALevel(RF24_PA_MIN);
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radio.setDataRate(RF24_1MBPS);
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//radio.disableDynamicPayloads();
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radio.setAutoAck(false);
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radio.disableCRC();
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radio.stopListening();
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delay(100);
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}
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void loop(){
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//check for new packages
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AtemSwitcher.runLoop();
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previousTime = currentTime;
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currentTime = millis();
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if (dataChanged() || currentTime - previousTime >= intervalTime)
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sendNRF();
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}
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void sendNRF(){
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for (int i=0; i < tallyLEDlength; i++) {
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datasend = (datasend << 1) + tallyLEDstat[i];
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}
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datasend = datasend << (8 - tallyLEDlength);
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datasend = (datasend << 8) + getChecksum(datasend & 0xFF);
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radio.writeFast(&datasend, sizeof(datasend));
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}
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boolean dataChanged(){
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boolean changed = false;
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for (int i=0; i < tallyLEDlength; i++){
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if (AtemSwitcher.getProgramTally(i+1) == tallyLEDstat[i]){
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tallyLEDstat[i] = AtemSwitcher.getProgramTally(i+1);
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digitalWrite(tallyLED[i], !AtemSwitcher.getProgramTally(i+1));
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changed = true;
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}
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}
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return changed;
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}
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uint8_t getChecksum(uint8_t data){
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uint8_t checksum = 0;
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for (int i=8; i<8; i++) checksum += (data >> i) & 1;
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return checksum;
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}
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