Add Dooya protocol to remote_base (#6488)

esphome/components/remote_base/dooya_protocol.cpp

@@ -0,0 +1,120 @@
+#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