From 4cb71784e293a58024215c463e0bfb7bb7d0966c Mon Sep 17 00:00:00 2001
From: Florian <florian.hess@azon.ai>
Date: Mon, 23 Sep 2024 02:19:47 +0200
Subject: [PATCH] Test

---
 components/tc_bus/__init__.py  |  2 ++
 components/tc_bus/protocol.cpp | 26 ++++++++++++++++++++++++++
 components/tc_bus/protocol.h   |  4 +++-
 components/tc_bus/tc_bus.cpp   |  2 +-
 4 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/components/tc_bus/__init__.py b/components/tc_bus/__init__.py
index 6ecd868c..bb9e92b0 100644
--- a/components/tc_bus/__init__.py
+++ b/components/tc_bus/__init__.py
@@ -50,6 +50,8 @@
     "found_device": CommandType.COMMAND_TYPE_FOUND_DEVICE,
     "found_device_subsystem": CommandType.COMMAND_TYPE_FOUND_DEVICE_SUBSYSTEM,
     "programming_mode": CommandType.COMMAND_TYPE_PROGRAMMING_MODE,
+    "read_eeprom_block": CommandType.COMMAND_TYPE_READ_EEPROM_BLOCK,
+    "select_eeprom_page": CommandType.COMMAND_TYPE_SELECT_EEPROM_PAGE,
 }
 
 CONF_TC_ID = "tc_bus"
diff --git a/components/tc_bus/protocol.cpp b/components/tc_bus/protocol.cpp
index 3e75fa4c..ac12175e 100644
--- a/components/tc_bus/protocol.cpp
+++ b/components/tc_bus/protocol.cpp
@@ -174,6 +174,8 @@ namespace esphome
                                 // request type and version
                                 // request versions of subdevices
                                 // Not implemented
+
+                                // 5 12345 C0
                                 break;
 
                             default:
@@ -186,6 +188,18 @@ namespace esphome
                         data.type = COMMAND_TYPE_CONTROL_FUNCTION;
                         data.address = (command & 0xFF); // Function number
                         break;
+
+                    case 8:
+                        // 81 0 00000
+                        // select eeprom page of serial number
+                        
+                        if(command & 0x800000) // 1
+                        {
+                            data.type = COMMAND_TYPE_SELECT_EEPROM_PAGE;
+                            // data.address = (command & 0xF); // page todo
+                            data.serial_number = command & 0xFFFFF;
+                        }
+                        break;
                 }
             }
             else
@@ -251,6 +265,16 @@ namespace esphome
                             break;
                     }
                 }
+                else if (first == 8)
+                {
+                    switch(second)
+                    {
+                        case 4:
+                            data.type = COMMAND_TYPE_READ_EEPROM_BLOCK;
+                            data.address = (command & 0xFF);
+                            break;
+                    }
+                }
             }
 
             return data;
@@ -283,6 +307,8 @@ namespace esphome
                 case COMMAND_TYPE_FOUND_DEVICE: return "FOUND_DEVICE";
                 case COMMAND_TYPE_FOUND_DEVICE_SUBSYSTEM: return "FOUND_DEVICE_SUBSYSTEM";
                 case COMMAND_TYPE_PROGRAMMING_MODE: return "PROGRAMMING_MODE";
+                case COMMAND_TYPE_READ_EEPROM_BLOCK: return "READ_EEPROM_BLOCK";
+                case COMMAND_TYPE_SELECT_EEPROM_PAGE: return "SELECT_EEPROM_PAGE";
                 default: return "UNKNOWN";
             }
         }
diff --git a/components/tc_bus/protocol.h b/components/tc_bus/protocol.h
index 5bc2d181..0ffb44c0 100644
--- a/components/tc_bus/protocol.h
+++ b/components/tc_bus/protocol.h
@@ -29,7 +29,9 @@ namespace esphome
             COMMAND_TYPE_SEARCH_DEVICES,
             COMMAND_TYPE_FOUND_DEVICE,
             COMMAND_TYPE_FOUND_DEVICE_SUBSYSTEM,
-            COMMAND_TYPE_PROGRAMMING_MODE
+            COMMAND_TYPE_PROGRAMMING_MODE,
+            COMMAND_TYPE_READ_EEPROM_BLOCK,
+            COMMAND_TYPE_SELECT_EEPROM_PAGE
         };
 
         struct CommandData {
diff --git a/components/tc_bus/tc_bus.cpp b/components/tc_bus/tc_bus.cpp
index 4531fe31..6d31ca49 100644
--- a/components/tc_bus/tc_bus.cpp
+++ b/components/tc_bus/tc_bus.cpp
@@ -569,7 +569,7 @@ namespace esphome
             delay(50);
 
             ESP_LOGD(TAG, "Select Serial Number: %i", serial_number);
-            uint32_t select_cmd = 0x81000000;
+            uint32_t select_cmd = 0x81000000; // Select Page 0 of SN
             select_cmd |= ((serial_number & 0xFFFFF) << 0); // C30BA
             send_command(select_cmd); // select serial number
             delay(50);