mirror of https://github.com/esphome/esphome.git
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#include "sony_protocol.h"
|
|
#include "esphome/core/log.h"
|
|
|
|
namespace esphome {
|
|
namespace remote_base {
|
|
|
|
static const char *const TAG = "remote.sony";
|
|
|
|
static const uint32_t HEADER_HIGH_US = 2400;
|
|
static const uint32_t HEADER_LOW_US = 600;
|
|
static const uint32_t BIT_ONE_HIGH_US = 1200;
|
|
static const uint32_t BIT_ZERO_HIGH_US = 600;
|
|
static const uint32_t BIT_LOW_US = 600;
|
|
|
|
void SonyProtocol::encode(RemoteTransmitData *dst, const SonyData &data) {
|
|
dst->set_carrier_frequency(40000);
|
|
dst->reserve(2 + data.nbits * 2u);
|
|
|
|
dst->item(HEADER_HIGH_US, HEADER_LOW_US);
|
|
|
|
for (uint32_t mask = 1UL << (data.nbits - 1); mask != 0; mask >>= 1) {
|
|
if (data.data & mask) {
|
|
dst->item(BIT_ONE_HIGH_US, BIT_LOW_US);
|
|
} else {
|
|
dst->item(BIT_ZERO_HIGH_US, BIT_LOW_US);
|
|
}
|
|
}
|
|
}
|
|
optional<SonyData> SonyProtocol::decode(RemoteReceiveData src) {
|
|
SonyData out{
|
|
.data = 0,
|
|
.nbits = 0,
|
|
};
|
|
if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
|
|
return {};
|
|
|
|
for (; out.nbits < 20; out.nbits++) {
|
|
uint32_t bit;
|
|
if (src.expect_mark(BIT_ONE_HIGH_US)) {
|
|
bit = 1;
|
|
} else if (src.expect_mark(BIT_ZERO_HIGH_US)) {
|
|
bit = 0;
|
|
} else if (out.nbits == 12 || out.nbits == 15) {
|
|
return out;
|
|
} else {
|
|
return {};
|
|
}
|
|
|
|
out.data = (out.data << 1UL) | bit;
|
|
if (src.expect_space(BIT_LOW_US)) {
|
|
// nothing needs to be done
|
|
} else if (src.peek_space_at_least(BIT_LOW_US)) {
|
|
out.nbits += 1;
|
|
if (out.nbits == 12 || out.nbits == 15 || out.nbits == 20)
|
|
return out;
|
|
return {};
|
|
} else {
|
|
return {};
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
void SonyProtocol::dump(const SonyData &data) {
|
|
ESP_LOGD(TAG, "Received Sony: data=0x%08X, nbits=%d", data.data, data.nbits);
|
|
}
|
|
|
|
} // namespace remote_base
|
|
} // namespace esphome
|