From 2e8a2fdbd4677b9075ae9bb572b4d66b8fc67794 Mon Sep 17 00:00:00 2001
From: Tomi Junnila <topeju@badzilla.net>
Date: Thu, 11 Jul 2024 23:32:38 +0300
Subject: [PATCH] Add support for the Gree YAC1FB9 in climate_ir (#7056)

---
 esphome/components/gree/climate.py |  1 +
 esphome/components/gree/gree.cpp   | 14 +++++++++++---
 esphome/components/gree/gree.h     |  6 +++++-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/esphome/components/gree/climate.py b/esphome/components/gree/climate.py
index 02ce7b12d4..c88a428391 100644
--- a/esphome/components/gree/climate.py
+++ b/esphome/components/gree/climate.py
@@ -16,6 +16,7 @@ MODELS = {
     "yan": Model.GREE_YAN,
     "yaa": Model.GREE_YAA,
     "yac": Model.GREE_YAC,
+    "yac1fb9": Model.GREE_YAC1FB9,
 }
 
 CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
diff --git a/esphome/components/gree/gree.cpp b/esphome/components/gree/gree.cpp
index 1bbb443fce..cce2a8ffee 100644
--- a/esphome/components/gree/gree.cpp
+++ b/esphome/components/gree/gree.cpp
@@ -24,7 +24,7 @@ void GreeClimate::transmit_state() {
     remote_state[4] |= (this->horizontal_swing_() << 4);
   }
 
-  if (this->model_ == GREE_YAA || this->model_ == GREE_YAC) {
+  if (this->model_ == GREE_YAA || this->model_ == GREE_YAC || this->model_ == GREE_YAC1FB9) {
     remote_state[2] = 0x20;  // bits 0..3 always 0000, bits 4..7 TURBO,LIGHT,HEALTH,X-FAN
     remote_state[3] = 0x50;  // bits 4..7 always 0101
     remote_state[6] = 0x20;  // YAA1FB, FAA1FB1, YB1F2 bits 4..7 always 0010
@@ -53,7 +53,11 @@ void GreeClimate::transmit_state() {
   data->set_carrier_frequency(GREE_IR_FREQUENCY);
 
   data->mark(GREE_HEADER_MARK);
-  data->space(GREE_HEADER_SPACE);
+  if (this->model_ == GREE_YAC1FB9) {
+    data->space(GREE_YAC1FB9_HEADER_SPACE);
+  } else {
+    data->space(GREE_HEADER_SPACE);
+  }
 
   for (int i = 0; i < 4; i++) {
     for (uint8_t mask = 1; mask > 0; mask <<= 1) {  // iterate through bit mask
@@ -71,7 +75,11 @@ void GreeClimate::transmit_state() {
   data->space(GREE_ZERO_SPACE);
 
   data->mark(GREE_BIT_MARK);
-  data->space(GREE_MESSAGE_SPACE);
+  if (this->model_ == GREE_YAC1FB9) {
+    data->space(GREE_YAC1FB9_MESSAGE_SPACE);
+  } else {
+    data->space(GREE_MESSAGE_SPACE);
+  }
 
   for (int i = 4; i < 8; i++) {
     for (uint8_t mask = 1; mask > 0; mask <<= 1) {  // iterate through bit mask
diff --git a/esphome/components/gree/gree.h b/esphome/components/gree/gree.h
index e7131a2b89..524a95aebd 100644
--- a/esphome/components/gree/gree.h
+++ b/esphome/components/gree/gree.h
@@ -41,6 +41,10 @@ const uint32_t GREE_YAC_HEADER_MARK = 6000;
 const uint32_t GREE_YAC_HEADER_SPACE = 3000;
 const uint32_t GREE_YAC_BIT_MARK = 650;
 
+// Timing specific to YAC1FB9
+const uint32_t GREE_YAC1FB9_HEADER_SPACE = 4500;
+const uint32_t GREE_YAC1FB9_MESSAGE_SPACE = 19980;
+
 // State Frame size
 const uint8_t GREE_STATE_FRAME_SIZE = 8;
 
@@ -67,7 +71,7 @@ const uint8_t GREE_HDIR_MRIGHT = 0x05;
 const uint8_t GREE_HDIR_RIGHT = 0x06;
 
 // Model codes
-enum Model { GREE_GENERIC, GREE_YAN, GREE_YAA, GREE_YAC };
+enum Model { GREE_GENERIC, GREE_YAN, GREE_YAA, GREE_YAC, GREE_YAC1FB9 };
 
 class GreeClimate : public climate_ir::ClimateIR {
  public: