Enhance DaliBase and BridgeModel: add readMemoryLocation method and support for readMemoryIdentity operation

Signed-off-by: Tony <tonylu@tony-cloud.com>

include/base.hpp

@@ -72,6 +72,7 @@ class DaliBase {
   std::optional<int> getDTR(int a);
   std::optional<int> getDTR1(int a);
   std::optional<int> getDTR2(int a);
+  std::optional<int> readMemoryLocation(int a, int bank, int location);
   bool copyCurrentBrightToDTR(int a);
 
   // Colour value helpers (DT8 plumbing)

include/bridge_model.hpp

@@ -121,6 +121,7 @@ enum class BridgeOperation {
   setColourRGBCW = 81,
   setColourRGBWAF = 82,
   setTemporaryRGBWAFDimLevels = 83,
+  readMemoryIdentity = 84,
 };
 
 enum class BridgeValueEncoding {

src/base.cpp

@@ -112,6 +112,16 @@ std::optional<int> DaliBase::getDTR1(int a) { return query(a, DALI_CMD_QUERY_CON
 
 std::optional<int> DaliBase::getDTR2(int a) { return query(a, DALI_CMD_QUERY_CONTENT_DTR2); }
 
+std::optional<int> DaliBase::readMemoryLocation(int a, int bank, int location) {
+  if (!setDTR1(bank & 0xFF)) {
+    return std::nullopt;
+  }
+  if (!setDTR(location & 0xFF)) {
+    return std::nullopt;
+  }
+  return query(a, DALI_CMD_READ_MEMORY_LOCATION);
+}
+
 bool DaliBase::copyCurrentBrightToDTR(int a) {
   return sendExtCmd(encodeCmdAddr(a), DALI_CMD_STORE_ACTUAL_LEVEL_IN_THE_DTR);
 }

src/bridge.cpp

@@ -164,6 +164,7 @@ bool isReadOperation(BridgeOperation operation) {
     case BridgeOperation::dt1GetRatedDuration:
     case BridgeOperation::dt1GetExtendedVersion:
     case BridgeOperation::dt1GetEmergencyDeviceType:
+    case BridgeOperation::readMemoryIdentity:
       return true;
     default:
       return false;

src/bridge_model.cpp

@@ -478,6 +478,8 @@ const char* bridgeOperationToString(BridgeOperation operation) {
       return "dt1_get_extended_version";
     case BridgeOperation::dt1GetEmergencyDeviceType:
       return "dt1_get_emergency_device_type";
+    case BridgeOperation::readMemoryIdentity:
+      return "read_memory_identity";
     case BridgeOperation::unknown:
     default:
       return "unknown";
@@ -623,6 +625,9 @@ BridgeOperation bridgeOperationFromString(const std::string& value) {
   if (normalized == "dt1_get_emergency_device_type" || normalized == "dt1_get_type") {
     return BridgeOperation::dt1GetEmergencyDeviceType;
   }
+  if (normalized == "read_memory_identity" || normalized == "get_memory_identity") {
+    return BridgeOperation::readMemoryIdentity;
+  }
   if (normalized == "search_address_range") return BridgeOperation::searchAddressRange;
   if (normalized == "allocate_all_short_addresses" || normalized == "allocate_all_addr") {
     return BridgeOperation::allocateAllShortAddresses;