esphome/esphome/components/remote_base/dooya_protocol.cpp
2024-04-10 09:04:35 +12:00

120 lines
3.3 KiB
C++

#include "dooya_protocol.h"
#include "esphome/core/log.h"
namespace esphome {
namespace remote_base {
static const char *const TAG = "remote.dooya";
static const uint32_t HEADER_HIGH_US = 5000;
static const uint32_t HEADER_LOW_US = 1500;
static const uint32_t BIT_ZERO_HIGH_US = 750;
static const uint32_t BIT_ZERO_LOW_US = 350;
static const uint32_t BIT_ONE_HIGH_US = 350;
static const uint32_t BIT_ONE_LOW_US = 750;
void DooyaProtocol::encode(RemoteTransmitData *dst, const DooyaData &data) {
dst->set_carrier_frequency(0);
dst->reserve(2 + 40 * 2u);
dst->item(HEADER_HIGH_US, HEADER_LOW_US);
for (uint32_t mask = 1UL << (23); mask != 0; mask >>= 1) {
if (data.id & mask) {
dst->item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US);
} else {
dst->item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US);
}
}
for (uint32_t mask = 1UL << (7); mask != 0; mask >>= 1) {
if (data.channel & mask) {
dst->item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US);
} else {
dst->item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US);
}
}
for (uint32_t mask = 1UL << (3); mask != 0; mask >>= 1) {
if (data.button & mask) {
dst->item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US);
} else {
dst->item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US);
}
}
for (uint32_t mask = 1UL << (3); mask != 0; mask >>= 1) {
if (data.check & mask) {
dst->item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US);
} else {
dst->item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US);
}
}
}
optional<DooyaData> DooyaProtocol::decode(RemoteReceiveData src) {
DooyaData out{
.id = 0,
.channel = 0,
.button = 0,
.check = 0,
};
if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
return {};
for (uint8_t i = 0; i < 24; i++) {
if (src.expect_item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US)) {
out.id = (out.id << 1) | 1;
} else if (src.expect_item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US)) {
out.id = (out.id << 1) | 0;
} else {
return {};
}
}
for (uint8_t i = 0; i < 8; i++) {
if (src.expect_item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US)) {
out.channel = (out.channel << 1) | 1;
} else if (src.expect_item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US)) {
out.channel = (out.channel << 1) | 0;
} else {
return {};
}
}
for (uint8_t i = 0; i < 4; i++) {
if (src.expect_item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US)) {
out.button = (out.button << 1) | 1;
} else if (src.expect_item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US)) {
out.button = (out.button << 1) | 0;
} else {
return {};
}
}
for (uint8_t i = 0; i < 3; i++) {
if (src.expect_item(BIT_ONE_HIGH_US, BIT_ONE_LOW_US)) {
out.check = (out.check << 1) | 1;
} else if (src.expect_item(BIT_ZERO_HIGH_US, BIT_ZERO_LOW_US)) {
out.check = (out.check << 1) | 0;
} else {
return {};
}
}
// Last bit is not received properly but can be decoded
if (src.expect_mark(BIT_ONE_HIGH_US)) {
out.check = (out.check << 1) | 1;
} else if (src.expect_mark(BIT_ZERO_HIGH_US)) {
out.check = (out.check << 1) | 0;
} else {
return {};
}
return out;
}
void DooyaProtocol::dump(const DooyaData &data) {
ESP_LOGI(TAG, "Received Dooya: id=0x%08" PRIX32 ", channel=%d, button=%d, check=%d", data.id, data.channel,
data.button, data.check);
}
} // namespace remote_base
} // namespace esphome