From e235e104225893f4f0cf5af6632563632ea6a48d Mon Sep 17 00:00:00 2001
From: Aivaras Kasperaitis <git@kasperaitis.lt>
Date: Tue, 30 Jan 2024 20:39:02 +0200
Subject: [PATCH] F Lock PMR446

Add submenu to F Lock. Limit TX to PMR446 frequencies (44600625 - 4619375).
---
 frequencies.c | 5 +++++
 settings.h    | 1 +
 ui/menu.c     | 1 +
 3 files changed, 7 insertions(+)

diff --git a/frequencies.c b/frequencies.c
index df3a193fe..8c4a2514d 100644
--- a/frequencies.c
+++ b/frequencies.c
@@ -222,6 +222,11 @@ int32_t TX_freq_check(const uint32_t Frequency)
 				return 0;
 			break;
 
+		case F_LOCK_PMR:
+			if (Frequency >= 44600625 && Frequency <= 44619375)
+				return 0;
+			break;
+
 		case F_LOCK_ALL:
 			break;
 
diff --git a/settings.h b/settings.h
index eadf2fe2f..5271e0b86 100644
--- a/settings.h
+++ b/settings.h
@@ -40,6 +40,7 @@ enum TxLockModes_t {
 	F_LOCK_GB,
 	F_LOCK_430,
 	F_LOCK_438,
+	F_LOCK_PMR,
 	F_LOCK_ALL,	// disable TX on all frequencies
 	F_LOCK_NONE, // enable TX on all frequencies
 	F_LOCK_LEN
diff --git a/ui/menu.c b/ui/menu.c
index 62f5b7192..1a467b9c2 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -282,6 +282,7 @@ const char * const gSubMenu_F_LOCK[] =
 	"GB HAM\n144-148\n430-440",
 	"137-174\n400-430",
 	"137-174\n400-438",
+	"PMR446",
 	"DISABLE\nALL",
 	"UNLOCK\nALL",
 };