esphome/esphome/components/remote_base/toshiba_ac_protocol.cpp

116 lines
3.4 KiB
C++

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