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291 lines
8.0 KiB
C++
291 lines
8.0 KiB
C++
/*
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* Test send/receive functions of IRremote, using a pair of Arduinos.
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*
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* Arduino #1 should have an IR LED connected to the send pin (3).
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* Arduino #2 should have an IR detector/demodulator connected to the
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* receive pin (11) and a visible LED connected to pin 3.
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*
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* The cycle:
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* Arduino #1 will wait 2 seconds, then run through the tests.
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* It repeats this forever.
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* Arduino #2 will wait for at least one second of no signal
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* (to synchronize with #1). It will then wait for the same test
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* signals. It will log all the status to the serial port. It will
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* also indicate status through the LED, which will flash each time a test
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* is completed. If there is an error, it will light up for 5 seconds.
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*
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* The test passes if the LED flashes 19 times, pauses, and then repeats.
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* The test fails if the LED lights for 5 seconds.
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*
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* The test software automatically decides which board is the sender and which is
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* the receiver by looking for an input on the send pin, which will indicate
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* the sender. You should hook the serial port to the receiver for debugging.
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*
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* Copyright 2010 Ken Shirriff
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* http://arcfn.com
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*/
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#include <IRremote.h>
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int RECV_PIN = 11;
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int LED_PIN = 3;
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IRrecv irrecv(RECV_PIN);
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IRsend irsend;
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decode_results results;
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#define RECEIVER 1
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#define SENDER 2
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#define ERROR 3
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int mode;
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void setup()
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{
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Serial.begin(9600);
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// Check RECV_PIN to decide if we're RECEIVER or SENDER
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if (digitalRead(RECV_PIN) == HIGH) {
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mode = RECEIVER;
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irrecv.enableIRIn();
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pinMode(LED_PIN, OUTPUT);
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digitalWrite(LED_PIN, LOW);
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Serial.println("Receiver mode");
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}
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else {
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mode = SENDER;
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Serial.println("Sender mode");
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}
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}
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// Wait for the gap between tests, to synchronize with
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// the sender.
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// Specifically, wait for a signal followed by a gap of at last gap ms.
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void waitForGap(int gap) {
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Serial.println("Waiting for gap");
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while (1) {
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while (digitalRead(RECV_PIN) == LOW) {
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}
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unsigned long time = millis();
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while (digitalRead(RECV_PIN) == HIGH) {
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if (millis() - time > gap) {
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return;
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}
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}
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}
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}
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// Dumps out the decode_results structure.
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// Call this after IRrecv::decode()
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void dump(decode_results *results) {
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int count = results->rawlen;
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if (results->decode_type == UNKNOWN) {
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Serial.println("Could not decode message");
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}
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else {
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if (results->decode_type == NEC) {
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Serial.print("Decoded NEC: ");
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}
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else if (results->decode_type == SONY) {
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Serial.print("Decoded SONY: ");
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}
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else if (results->decode_type == RC5) {
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Serial.print("Decoded RC5: ");
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}
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else if (results->decode_type == RC6) {
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Serial.print("Decoded RC6: ");
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}
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Serial.print(results->value, HEX);
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Serial.print(" (");
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Serial.print(results->bits, DEC);
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Serial.println(" bits)");
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}
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Serial.print("Raw (");
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Serial.print(count, DEC);
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Serial.print("): ");
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for (int i = 0; i < count; i++) {
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if ((i % 2) == 1) {
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Serial.print(results->rawbuf[i]*USECPERTICK, DEC);
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}
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else {
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Serial.print(-(int)results->rawbuf[i]*USECPERTICK, DEC);
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}
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Serial.print(" ");
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}
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Serial.println("");
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}
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// Test send or receive.
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// If mode is SENDER, send a code of the specified type, value, and bits
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// If mode is RECEIVER, receive a code and verify that it is of the
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// specified type, value, and bits. For success, the LED is flashed;
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// for failure, the mode is set to ERROR.
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// The motivation behind this method is that the sender and the receiver
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// can do the same test calls, and the mode variable indicates whether
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// to send or receive.
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void test(char *label, int type, unsigned long value, int bits) {
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if (mode == SENDER) {
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Serial.println(label);
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if (type == NEC) {
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irsend.sendNEC(value, bits);
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}
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else if (type == SONY) {
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irsend.sendSony(value, bits);
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}
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else if (type == RC5) {
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irsend.sendRC5(value, bits);
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}
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else if (type == RC6) {
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irsend.sendRC6(value, bits);
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}
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else {
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Serial.print(label);
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Serial.println("Bad type!");
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}
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delay(200);
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}
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else if (mode == RECEIVER) {
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irrecv.resume(); // Receive the next value
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unsigned long max_time = millis() + 30000;
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Serial.print(label);
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// Wait for decode or timeout
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while (!irrecv.decode(&results)) {
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if (millis() > max_time) {
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Serial.println("Timeout receiving data");
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mode = ERROR;
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return;
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}
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}
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if (type == results.decode_type && value == results.value && bits == results.bits) {
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Serial.println (": OK");
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digitalWrite(LED_PIN, HIGH);
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delay(20);
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digitalWrite(LED_PIN, LOW);
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}
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else {
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Serial.println(": BAD");
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dump(&results);
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mode = ERROR;
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}
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}
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}
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// Test raw send or receive. This is similar to the test method,
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// except it send/receives raw data.
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void testRaw(char *label, unsigned int *rawbuf, int rawlen) {
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if (mode == SENDER) {
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Serial.println(label);
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irsend.sendRaw(rawbuf, rawlen, 38 /* kHz */);
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delay(200);
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}
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else if (mode == RECEIVER ) {
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irrecv.resume(); // Receive the next value
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unsigned long max_time = millis() + 30000;
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Serial.print(label);
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// Wait for decode or timeout
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while (!irrecv.decode(&results)) {
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if (millis() > max_time) {
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Serial.println("Timeout receiving data");
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mode = ERROR;
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return;
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}
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}
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// Received length has extra first element for gap
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if (rawlen != results.rawlen - 1) {
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Serial.print("Bad raw length ");
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Serial.println(results.rawlen, DEC);
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mode = ERROR;
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return;
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}
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for (int i = 0; i < rawlen; i++) {
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long got = results.rawbuf[i+1] * USECPERTICK;
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// Adjust for extra duration of marks
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if (i % 2 == 0) {
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got -= MARK_EXCESS;
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}
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else {
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got += MARK_EXCESS;
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}
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// See if close enough, within 25%
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if (rawbuf[i] * 1.25 < got || got * 1.25 < rawbuf[i]) {
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Serial.println(": BAD");
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dump(&results);
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mode = ERROR;
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return;
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}
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}
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Serial.println (": OK");
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digitalWrite(LED_PIN, HIGH);
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delay(20);
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digitalWrite(LED_PIN, LOW);
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}
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}
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// This is the raw data corresponding to NEC 0x12345678
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unsigned int sendbuf[] = { /* NEC format */
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9000, 4500,
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560, 560, 560, 560, 560, 560, 560, 1690, /* 1 */
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560, 560, 560, 560, 560, 1690, 560, 560, /* 2 */
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560, 560, 560, 560, 560, 1690, 560, 1690, /* 3 */
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560, 560, 560, 1690, 560, 560, 560, 560, /* 4 */
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560, 560, 560, 1690, 560, 560, 560, 1690, /* 5 */
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560, 560, 560, 1690, 560, 1690, 560, 560, /* 6 */
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560, 560, 560, 1690, 560, 1690, 560, 1690, /* 7 */
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560, 1690, 560, 560, 560, 560, 560, 560, /* 8 */
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560};
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void loop() {
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if (mode == SENDER) {
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delay(2000); // Delay for more than gap to give receiver a better chance to sync.
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}
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else if (mode == RECEIVER) {
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waitForGap(1000);
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}
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else if (mode == ERROR) {
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// Light up for 5 seconds for error
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digitalWrite(LED_PIN, HIGH);
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delay(5000);
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digitalWrite(LED_PIN, LOW);
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mode = RECEIVER; // Try again
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return;
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}
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// The test suite.
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test("SONY1", SONY, 0x123, 12);
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test("SONY2", SONY, 0x000, 12);
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test("SONY3", SONY, 0xfff, 12);
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test("SONY4", SONY, 0x12345, 20);
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test("SONY5", SONY, 0x00000, 20);
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test("SONY6", SONY, 0xfffff, 20);
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test("NEC1", NEC, 0x12345678, 32);
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test("NEC2", NEC, 0x00000000, 32);
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test("NEC3", NEC, 0xffffffff, 32);
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test("NEC4", NEC, REPEAT, 32);
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test("RC51", RC5, 0x12345678, 32);
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test("RC52", RC5, 0x0, 32);
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test("RC53", RC5, 0xffffffff, 32);
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test("RC61", RC6, 0x12345678, 32);
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test("RC62", RC6, 0x0, 32);
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test("RC63", RC6, 0xffffffff, 32);
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// Tests of raw sending and receiving.
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// First test sending raw and receiving raw.
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// Then test sending raw and receiving decoded NEC
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// Then test sending NEC and receiving raw
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testRaw("RAW1", sendbuf, 67);
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if (mode == SENDER) {
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testRaw("RAW2", sendbuf, 67);
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test("RAW3", NEC, 0x12345678, 32);
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}
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else {
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test("RAW2", NEC, 0x12345678, 32);
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testRaw("RAW3", sendbuf, 67);
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}
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}
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