104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
// Copyright Todd Treece
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// Copyright 2017 David Conran
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/// @file
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/// @brief DISH Network protocol support
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/// DISH support originally by Todd Treece
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/// @see http://unionbridge.org/design/ircommand
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/// @see https://github.com/marcosamarinho/IRremoteESP8266/blob/master/ir_Dish.cpp
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/// @see http://www.hifi-remote.com/wiki/index.php?title=Dish
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// Supports:
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// Brand: DISH NETWORK, Model: echostar 301
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#include "IRrecv.h"
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#include "IRsend.h"
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#include "IRutils.h"
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// Constants
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const uint16_t kDishTick = 100;
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const uint16_t kDishHdrMarkTicks = 4;
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const uint16_t kDishHdrMark = kDishHdrMarkTicks * kDishTick;
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const uint16_t kDishHdrSpaceTicks = 61;
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const uint16_t kDishHdrSpace = kDishHdrSpaceTicks * kDishTick;
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const uint16_t kDishBitMarkTicks = 4;
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const uint16_t kDishBitMark = kDishBitMarkTicks * kDishTick;
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const uint16_t kDishOneSpaceTicks = 17;
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const uint16_t kDishOneSpace = kDishOneSpaceTicks * kDishTick;
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const uint16_t kDishZeroSpaceTicks = 28;
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const uint16_t kDishZeroSpace = kDishZeroSpaceTicks * kDishTick;
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const uint16_t kDishRptSpaceTicks = kDishHdrSpaceTicks;
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const uint16_t kDishRptSpace = kDishRptSpaceTicks * kDishTick;
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#if SEND_DISH
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/// Send a DISH NETWORK formatted message.
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/// Status: STABLE / Working.
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/// @param[in] data The message to be sent.
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/// @param[in] nbits The number of bits of message to be sent.
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/// @param[in] repeat The number of times the command is to be repeated.
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/// @note Dishplayer is a different protocol.
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/// Typically a DISH device needs to get a command a total of at least 4
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/// times to accept it. e.g. repeat=3
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///
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/// Here is the LIRC file I found that seems to match the remote codes from the
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/// oscilloscope:
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/// DISH NETWORK (echostar 301):
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/// @see http://lirc.sourceforge.net/remotes/echostar/301_501_3100_5100_58xx_59xx
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/// @see http://www.hifi-remote.com/wiki/index.php?title=Dish
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void IRsend::sendDISH(uint64_t data, uint16_t nbits, uint16_t repeat) {
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enableIROut(57600); // Set modulation freq. to 57.6kHz.
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// Header is only ever sent once.
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mark(kDishHdrMark);
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space(kDishHdrSpace);
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sendGeneric(0, 0, // No headers from here on in.
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kDishBitMark, kDishOneSpace, kDishBitMark, kDishZeroSpace,
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kDishBitMark, kDishRptSpace, data, nbits, 57600, true, repeat,
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50);
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}
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#endif
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#if DECODE_DISH
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/// Decode the supplied DISH NETWORK message.
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/// Status: ALPHA (untested and unconfirmed.)
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/// @param[in,out] results Ptr to the data to decode & where to store the decode
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/// result.
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/// @param[in] offset The starting index to use when attempting to decode the
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/// raw data. Typically/Defaults to kStartOffset.
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/// @param[in] nbits The number of data bits to expect.
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/// @param[in] strict Flag indicating if we should perform strict matching.
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/// @return A boolean. True if it can decode it, false if it can't.
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/// @note Dishplayer is a different protocol.
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/// Typically a DISH device needs to get a command a total of at least 4
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/// times to accept it.
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/// @see http://www.hifi-remote.com/wiki/index.php?title=Dish
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/// @see http://lirc.sourceforge.net/remotes/echostar/301_501_3100_5100_58xx_59xx
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/// @see https://github.com/marcosamarinho/IRremoteESP8266/blob/master/ir_Dish.cpp
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bool IRrecv::decodeDISH(decode_results *results, uint16_t offset,
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const uint16_t nbits, const bool strict) {
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if (strict && nbits != kDishBits) return false; // Not strictly compliant.
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uint64_t data = 0;
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// Match Header + Data + Footer
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if (!matchGeneric(results->rawbuf + offset, &data,
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results->rawlen - offset, nbits,
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kDishHdrMark, kDishHdrSpace,
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kDishBitMark, kDishOneSpace,
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kDishBitMark, kDishZeroSpace,
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kDishBitMark,
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// The DISH protocol calls for a repeated message, so
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// strictly speaking there should be a code following this.
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// Only require it if we are set to strict matching.
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strict ? kDishRptSpace : 0, false)) return false;
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// Success
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results->decode_type = DISH;
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results->bits = nbits;
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results->value = data;
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results->address = 0;
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results->command = 0;
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return true;
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}
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#endif
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