Florian/esphome
1
0
Fork 0
Code Issues Pull Requests Actions 4 Packages Projects Releases Wiki Activity

New Midea IR component, improvements and fixes (#2847)

Browse Source 
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Sergey Dudanov
2022-01-10 02:47:19 +04:00
committed by GitHub
parent b406c6403c
commit 9a70bfa471
19 changed files with 664 additions and 230 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
esphome/components/remote_base/midea_protocol.cpp
View File

@@ -6,89 +6,63 @@ namespace remote_base {
static const char *const TAG = "remote.midea";
static const int32_t TICK_US = 560;
static const int32_t HEADER_MARK_US = 8 * TICK_US;
static const int32_t HEADER_SPACE_US = 8 * TICK_US;
static const int32_t BIT_MARK_US = 1 * TICK_US;
static const int32_t BIT_ONE_SPACE_US = 3 * TICK_US;
static const int32_t BIT_ZERO_SPACE_US = 1 * TICK_US;
static const int32_t FOOTER_MARK_US = 1 * TICK_US;
static const int32_t FOOTER_SPACE_US = 10 * TICK_US;
uint8_t MideaData::calc_cs_() const {
uint8_t cs = 0;
for (const uint8_t *it = this->data(); it != this->data() + OFFSET_CS; ++it)
cs -= reverse_bits(*it);
for (uint8_t idx = 0; idx < OFFSET_CS; idx++)
cs -= reverse_bits(this->data_[idx]);
return reverse_bits(cs);
}
bool MideaData::check_compliment(const MideaData &rhs) const {
const uint8_t *it0 = rhs.data();
for (const uint8_t *it1 = this->data(); it1 != this->data() + this->size(); ++it0, ++it1) {
if (*it0 != ~(*it1))
return false;
}
return true;
bool MideaData::is_compliment(const MideaData &rhs) const {
return std::equal(this->data_.begin(), this->data_.end(), rhs.data_.begin(),
[](const uint8_t &a, const uint8_t &b) { return a + b == 255; });
}
void MideaProtocol::data(RemoteTransmitData *dst, const MideaData &src, bool compliment) {
for (const uint8_t *it = src.data(); it != src.data() + src.size(); ++it) {
const uint8_t data = compliment ? ~(*it) : *it;
for (uint8_t mask = 128; mask; mask >>= 1) {
if (data & mask)
one(dst);
else
zero(dst);
}
}
}
void MideaProtocol::encode(RemoteTransmitData *dst, const MideaData &data) {
void MideaProtocol::encode(RemoteTransmitData *dst, const MideaData &src) {
dst->set_carrier_frequency(38000);
dst->reserve(2 + 48 * 2 + 2 + 2 + 48 * 2 + 2);
MideaProtocol::header(dst);
MideaProtocol::data(dst, data);
MideaProtocol::footer(dst);
MideaProtocol::header(dst);
MideaProtocol::data(dst, data, true);
MideaProtocol::footer(dst);
dst->reserve(2 + 48 * 2 + 2 + 2 + 48 * 2 + 1);
dst->item(HEADER_MARK_US, HEADER_SPACE_US);
for (unsigned idx = 0; idx < 6; idx++)
for (uint8_t mask = 1 << 7; mask; mask >>= 1)
dst->item(BIT_MARK_US, (src[idx] & mask) ? BIT_ONE_SPACE_US : BIT_ZERO_SPACE_US);
dst->item(FOOTER_MARK_US, FOOTER_SPACE_US);
dst->item(HEADER_MARK_US, HEADER_SPACE_US);
for (unsigned idx = 0; idx < 6; idx++)
for (uint8_t mask = 1 << 7; mask; mask >>= 1)
dst->item(BIT_MARK_US, (src[idx] & mask) ? BIT_ZERO_SPACE_US : BIT_ONE_SPACE_US);
dst->mark(FOOTER_MARK_US);
}
bool MideaProtocol::expect_one(RemoteReceiveData &src) {
if (!src.peek_item(BIT_HIGH_US, BIT_ONE_LOW_US))
return false;
src.advance(2);
return true;
}
bool MideaProtocol::expect_zero(RemoteReceiveData &src) {
if (!src.peek_item(BIT_HIGH_US, BIT_ZERO_LOW_US))
return false;
src.advance(2);
return true;
}
bool MideaProtocol::expect_header(RemoteReceiveData &src) {
if (!src.peek_item(HEADER_HIGH_US, HEADER_LOW_US))
return false;
src.advance(2);
return true;
}
bool MideaProtocol::expect_footer(RemoteReceiveData &src) {
if (!src.peek_item(BIT_HIGH_US, MIN_GAP_US))
return false;
src.advance(2);
return true;
}
bool MideaProtocol::expect_data(RemoteReceiveData &src, MideaData &out) {
for (uint8_t *dst = out.data(); dst != out.data() + out.size(); ++dst) {
for (uint8_t mask = 128; mask; mask >>= 1) {
if (MideaProtocol::expect_one(src))
*dst |= mask;
else if (!MideaProtocol::expect_zero(src))
static bool decode_data(RemoteReceiveData &src, MideaData &dst) {
for (unsigned idx = 0; idx < 6; idx++) {
uint8_t data = 0;
for (uint8_t mask = 1 << 7; mask; mask >>= 1) {
if (!src.expect_mark(BIT_MARK_US))
return false;
if (src.expect_space(BIT_ONE_SPACE_US))
data |= mask;
else if (!src.expect_space(BIT_ZERO_SPACE_US))
return false;
}
dst[idx] = data;
}
return true;
}
optional<MideaData> MideaProtocol::decode(RemoteReceiveData src) {
MideaData out, inv;
if (MideaProtocol::expect_header(src) && MideaProtocol::expect_data(src, out) && MideaProtocol::expect_footer(src) &&
out.is_valid() && MideaProtocol::expect_data(src, inv) && out.check_compliment(inv))
if (src.expect_item(HEADER_MARK_US, HEADER_SPACE_US) && decode_data(src, out) && out.is_valid() &&
src.expect_item(FOOTER_MARK_US, FOOTER_SPACE_US) && src.expect_item(HEADER_MARK_US, HEADER_SPACE_US) &&
decode_data(src, inv) && src.expect_mark(FOOTER_MARK_US) && out.is_compliment(inv))
return out;
return {};
}