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https://github.com/esphome/esphome.git
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116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
#include "toshiba_ac_protocol.h"
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#include "esphome/core/log.h"
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#include <cinttypes>
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namespace esphome {
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namespace remote_base {
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static const char *const TAG = "remote.toshibaac";
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static const uint32_t HEADER_HIGH_US = 4500;
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static const uint32_t HEADER_LOW_US = 4500;
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static const uint32_t BIT_HIGH_US = 560;
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static const uint32_t BIT_ONE_LOW_US = 1690;
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static const uint32_t BIT_ZERO_LOW_US = 560;
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static const uint32_t FOOTER_HIGH_US = 560;
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static const uint32_t FOOTER_LOW_US = 4500;
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static const uint16_t PACKET_SPACE = 5500;
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void ToshibaAcProtocol::encode(RemoteTransmitData *dst, const ToshibaAcData &data) {
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dst->set_carrier_frequency(38000);
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dst->reserve((3 + (48 * 2)) * 3);
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for (uint8_t repeat = 0; repeat < 2; repeat++) {
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dst->item(HEADER_HIGH_US, HEADER_LOW_US);
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for (uint8_t bit = 48; bit > 0; bit--) {
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dst->mark(BIT_HIGH_US);
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if ((data.rc_code_1 >> (bit - 1)) & 1) {
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dst->space(BIT_ONE_LOW_US);
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} else {
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dst->space(BIT_ZERO_LOW_US);
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}
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}
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dst->item(FOOTER_HIGH_US, FOOTER_LOW_US);
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}
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if (data.rc_code_2 != 0) {
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dst->item(HEADER_HIGH_US, HEADER_LOW_US);
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for (uint8_t bit = 48; bit > 0; bit--) {
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dst->mark(BIT_HIGH_US);
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if ((data.rc_code_2 >> (bit - 1)) & 1) {
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dst->space(BIT_ONE_LOW_US);
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} else {
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dst->space(BIT_ZERO_LOW_US);
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}
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}
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dst->item(FOOTER_HIGH_US, FOOTER_LOW_US);
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}
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}
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optional<ToshibaAcData> ToshibaAcProtocol::decode(RemoteReceiveData src) {
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uint64_t packet = 0;
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ToshibaAcData out{
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.rc_code_1 = 0,
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.rc_code_2 = 0,
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};
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// *** Packet 1
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if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
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return {};
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for (uint8_t bit_counter = 0; bit_counter < 48; bit_counter++) {
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if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
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packet = (packet << 1) | 1;
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} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
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packet = (packet << 1) | 0;
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} else {
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return {};
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}
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}
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if (!src.expect_item(FOOTER_HIGH_US, PACKET_SPACE))
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return {};
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// *** Packet 2
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if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
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return {};
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for (uint8_t bit_counter = 0; bit_counter < 48; bit_counter++) {
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if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
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out.rc_code_1 = (out.rc_code_1 << 1) | 1;
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} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
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out.rc_code_1 = (out.rc_code_1 << 1) | 0;
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} else {
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return {};
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}
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}
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// The first two packets must match
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if (packet != out.rc_code_1)
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return {};
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// The third packet isn't always present
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if (!src.expect_item(FOOTER_HIGH_US, PACKET_SPACE))
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return out;
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// *** Packet 3
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if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
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return {};
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for (uint8_t bit_counter = 0; bit_counter < 48; bit_counter++) {
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if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
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out.rc_code_2 = (out.rc_code_2 << 1) | 1;
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} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
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out.rc_code_2 = (out.rc_code_2 << 1) | 0;
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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 ToshibaAcProtocol::dump(const ToshibaAcData &data) {
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if (data.rc_code_2 != 0) {
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ESP_LOGD(TAG, "Received Toshiba AC: rc_code_1=0x%" PRIX64 ", rc_code_2=0x%" PRIX64, data.rc_code_1, data.rc_code_2);
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} else {
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ESP_LOGD(TAG, "Received Toshiba AC: rc_code_1=0x%" PRIX64, data.rc_code_1);
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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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