From d2ea1d75430d6693fe83a4a6df1032a6a488f71f Mon Sep 17 00:00:00 2001
From: Pat-I <66231833+Pat-I@users.noreply.github.com>
Date: Thu, 5 Feb 2026 22:10:23 -0500
Subject: [PATCH] 64 sections support

64 sections support
---
 src/app.cpp             | 15 ++++++---------
 src/task_controller.cpp |  4 ++--
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/src/app.cpp b/src/app.cpp
index 0c10ed3..e11ba02 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -134,19 +134,16 @@ bool Application::initialize()
 	static std::uint32_t lastXteTransmit = 0;
 
 	auto packetHandler = [this, tcCF](std::uint8_t src, std::uint8_t pgn, std::span<std::uint8_t> data) {
-		if (src == 0x7F && pgn == 0xFE) // 254 - Steer Data
+		if (src == 0x7F && pgn == 0xE5) // 229 - 64 sections PGN
 		{
-			// TODO: hack to get desired section states. probably want to make a new pgn later when we need more than 16 sections
 			std::vector<bool> sectionStates;
-			for (std::uint8_t i = 0; i < 8; i++)
+			for (std::uint8_t j = 0; j < 8; j++)
 			{
-				sectionStates.push_back(data[6] & (1 << i));
-			}
-			for (std::uint8_t i = 0; i < 8; i++)
-			{
-				sectionStates.push_back(data[7] & (1 << i));
+				for (std::uint8_t i = 0; i < 8; i++)
+				{
+					sectionStates.push_back(data[j] & (1 << i));
+				}
 			}
-
 			tcServer->update_section_states(sectionStates);
 		}
 		else if (src == 0x7F && pgn == 0xF1) // 241 - Section Control
diff --git a/src/task_controller.cpp b/src/task_controller.cpp
index 72a0567..3d7e61f 100644
--- a/src/task_controller.cpp
+++ b/src/task_controller.cpp
@@ -228,8 +228,8 @@ bool ClientState::try_get_element_work_state(std::uint16_t elementNumber, bool &
 MyTCServer::MyTCServer(std::shared_ptr<isobus::InternalControlFunction> internalControlFunction) :
   TaskControllerServer(internalControlFunction,
                        1, // AOG limits to 1 boom
-                       16, // AOG limits to 16 sections of unique width
-                       16, // 16 channels for position based control
+                       64, // AOG limits to 16 sections of unique width but can be 64 by using zones
+                       64, // 64 channels for position based control
                        isobus::TaskControllerOptions()
                          .with_implement_section_control(), // We support section control
                        TaskControllerVersion::SecondEditionDraft)