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https://github.com/esphome/esphome.git
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108 lines
3 KiB
C++
108 lines
3 KiB
C++
#include "canalsat_protocol.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace remote_base {
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static const char *const CANALSAT_TAG = "remote.canalsat";
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static const char *const CANALSATLD_TAG = "remote.canalsatld";
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static const uint16_t CANALSAT_FREQ = 55500;
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static const uint16_t CANALSATLD_FREQ = 56000;
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static const uint16_t CANALSAT_UNIT = 250;
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static const uint16_t CANALSATLD_UNIT = 320;
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CanalSatProtocol::CanalSatProtocol() {
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this->frequency_ = CANALSAT_FREQ;
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this->unit_ = CANALSAT_UNIT;
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this->tag_ = CANALSAT_TAG;
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}
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CanalSatLDProtocol::CanalSatLDProtocol() {
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this->frequency_ = CANALSATLD_FREQ;
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this->unit_ = CANALSATLD_UNIT;
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this->tag_ = CANALSATLD_TAG;
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}
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void CanalSatBaseProtocol::encode(RemoteTransmitData *dst, const CanalSatData &data) {
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dst->reserve(48);
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dst->set_carrier_frequency(this->frequency_);
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uint32_t raw{
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static_cast<uint32_t>((1 << 23) | (data.device << 16) | (data.address << 10) | (0 << 9) | (data.command << 1))};
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bool was_high{true};
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for (uint32_t mask = 0x800000; mask; mask >>= 1) {
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if (raw & mask) {
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if (was_high) {
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dst->mark(this->unit_);
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}
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was_high = true;
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if (raw & mask >> 1) {
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dst->space(this->unit_);
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} else {
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dst->space(this->unit_ * 2);
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}
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} else {
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if (!was_high) {
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dst->space(this->unit_);
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}
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was_high = false;
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if (raw & mask >> 1) {
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dst->mark(this->unit_ * 2);
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} else {
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dst->mark(this->unit_);
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}
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}
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}
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}
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optional<CanalSatData> CanalSatBaseProtocol::decode(RemoteReceiveData src) {
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CanalSatData data{
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.device = 0,
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.address = 0,
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.repeat = 0,
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.command = 0,
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};
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// Check if initial mark and spaces match
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if (!src.peek_mark(this->unit_) || !(src.peek_space(this->unit_, 1) || src.peek_space(this->unit_ * 2, 1))) {
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return {};
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}
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uint8_t bit{1};
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uint8_t offset{1};
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uint32_t buffer{0};
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while (offset < 24) {
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buffer = buffer | (bit << (24 - offset++));
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src.advance();
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if (src.peek_mark(this->unit_) || src.peek_space(this->unit_)) {
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src.advance();
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} else if (src.peek_mark(this->unit_ * 2) || src.peek_space(this->unit_ * 2)) {
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bit = !bit;
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} else if (offset != 24 && bit != 1) { // If last bit is high, final space is indistinguishable
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return {};
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}
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}
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data.device = (0xFF0000 & buffer) >> 16;
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data.address = (0x00FF00 & buffer) >> 10;
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data.repeat = (0x00FF00 & buffer) >> 9;
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data.command = (0x0000FF & buffer) >> 1;
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return data;
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}
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void CanalSatBaseProtocol::dump(const CanalSatData &data) {
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if (this->tag_ == CANALSATLD_TAG) {
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ESP_LOGI(this->tag_, "Received CanalSatLD: device=0x%02X, address=0x%02X, command=0x%02X, repeat=0x%X", data.device,
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data.address, data.command, data.repeat);
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} else {
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ESP_LOGI(this->tag_, "Received CanalSat: device=0x%02X, address=0x%02X, command=0x%02X, repeat=0x%X", data.device,
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data.address, data.command, data.repeat);
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}
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}
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} // namespace remote_base
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} // namespace esphome
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