mirror of https://github.com/esphome/esphome.git
75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
#include "panasonic_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 TAG = "remote.panasonic";
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static const uint32_t HEADER_HIGH_US = 3502;
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static const uint32_t HEADER_LOW_US = 1750;
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static const uint32_t BIT_HIGH_US = 502;
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static const uint32_t BIT_ZERO_LOW_US = 400;
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static const uint32_t BIT_ONE_LOW_US = 1244;
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void PanasonicProtocol::encode(RemoteTransmitData *dst, const PanasonicData &data) {
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dst->reserve(100);
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dst->item(HEADER_HIGH_US, HEADER_LOW_US);
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dst->set_carrier_frequency(35000);
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uint32_t mask;
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for (mask = 1UL << 15; mask != 0; mask >>= 1) {
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if (data.address & mask) {
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dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
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} else {
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dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
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}
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}
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for (mask = 1UL << 31; mask != 0; mask >>= 1) {
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if (data.command & mask) {
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dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
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} else {
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dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
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}
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}
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dst->mark(BIT_HIGH_US);
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}
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optional<PanasonicData> PanasonicProtocol::decode(RemoteReceiveData src) {
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PanasonicData out{
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.address = 0,
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.command = 0,
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};
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if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
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return {};
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uint32_t mask;
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for (mask = 1UL << 15; mask != 0; mask >>= 1) {
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if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
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out.address |= mask;
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} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
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out.address &= ~mask;
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} else {
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return {};
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}
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}
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for (mask = 1UL << 31; mask != 0; mask >>= 1) {
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if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
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out.command |= mask;
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} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
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out.command &= ~mask;
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} else {
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return {};
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}
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}
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return out;
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}
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void PanasonicProtocol::dump(const PanasonicData &data) {
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ESP_LOGD(TAG, "Received Panasonic: address=0x%04X, command=0x%08X", data.address, data.command);
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}
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} // namespace remote_base
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} // namespace esphome
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