59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include "samsung_protocol.h"
|
|
#include "esphome/core/log.h"
|
|
|
|
namespace esphome {
|
|
namespace remote_base {
|
|
|
|
static const char *const TAG = "remote.samsung";
|
|
|
|
static const uint8_t NBITS = 32;
|
|
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 = 560;
|
|
|
|
void SamsungProtocol::encode(RemoteTransmitData *dst, const SamsungData &data) {
|
|
dst->set_carrier_frequency(38000);
|
|
dst->reserve(4 + NBITS * 2u);
|
|
|
|
dst->item(HEADER_HIGH_US, HEADER_LOW_US);
|
|
|
|
for (uint32_t mask = 1UL << (NBITS - 1); mask != 0; mask >>= 1) {
|
|
if (data.data & mask)
|
|
dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
|
|
else
|
|
dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
|
|
}
|
|
|
|
dst->item(FOOTER_HIGH_US, FOOTER_LOW_US);
|
|
}
|
|
optional<SamsungData> SamsungProtocol::decode(RemoteReceiveData src) {
|
|
SamsungData out{
|
|
.data = 0,
|
|
};
|
|
if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
|
|
return {};
|
|
|
|
for (uint8_t i = 0; i < NBITS; i++) {
|
|
out.data <<= 1UL;
|
|
if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
|
|
out.data |= 1UL;
|
|
} else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
|
|
out.data |= 0UL;
|
|
} else {
|
|
return {};
|
|
}
|
|
}
|
|
|
|
if (!src.expect_mark(FOOTER_HIGH_US))
|
|
return {};
|
|
return out;
|
|
}
|
|
void SamsungProtocol::dump(const SamsungData &data) { ESP_LOGD(TAG, "Received Samsung: data=0x%08X", data.data); }
|
|
|
|
} // namespace remote_base
|
|
} // namespace esphome
|