From 275b2d248ada3865442671ed0e42eb249dc04632 Mon Sep 17 00:00:00 2001
From: OneOfEleven <N/A>
Date: Fri, 20 Oct 2023 15:22:10 +0100
Subject: [PATCH] added 68~108MHz FM radio compile option

---
 Makefile            |   4 ++++
 README.md           |   1 +
 firmware.bin        | Bin 59912 -> 59912 bytes
 firmware.packed.bin | Bin 59930 -> 59930 bytes
 frequencies.c       |   6 +++++-
 5 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 4bf7ce2..0a9f563 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ ENABLE_AIRCOPY_REMEMBER_FREQ     := 1
 ENABLE_AIRCOPY_RX_REBOOT         := 0
 # FM Radio 4.2 kB
 ENABLE_FMRADIO                   := 1
+ENABLE_FMRADIO_64_108            := 0
 # NOAA 1.2 kB
 ENABLE_NOAA                      := 0
 # Voice 1.7 kB
@@ -280,6 +281,9 @@ endif
 ifeq ($(ENABLE_FMRADIO),1)
 	CFLAGS += -DENABLE_FMRADIO
 endif
+ifeq ($(ENABLE_FMRADIO_64_108),1)
+	CFLAGS += -DENABLE_FMRADIO_64_108
+endif
 ifeq ($(ENABLE_UART),1)
 	CFLAGS += -DENABLE_UART
 endif
diff --git a/README.md b/README.md
index 93dcbb7..2d40994 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,7 @@ ENABLE_AIRCOPY                   := 1       clone radio-to-radio via RF
 ENABLE_AIRCOPY_REMEMBER_FREQ     := 1       remember the aircopy frequency
 ENABLE_AIRCOPY_RX_REBOOT         := 0       auto reboot on an aircopy successful RX completion
 ENABLE_FMRADIO                   := 1       WBFM VHF broadcast band receiver
+ENABLE_FMRADIO_64_108            := 0       '1' = ENABLE FM radio chips full range
 ENABLE_NOAA                      := 0       everything NOAA (only of any use in the USA)
 ENABLE_VOICE                     := 0       want to hear voices ?
 ENABLE_MUTE_RADIO_FOR_VOICE      := 1       mute the radios audio when a voice is playing
diff --git a/firmware.bin b/firmware.bin
index d78b5c41c6e940ac3058a226f85c7270aa9b9dd5..46284110655e607441adbad7fd9bae8296c8c1ef 100644
GIT binary patch
delta 86
zcmeCU!rXC%d4t4sruHYBrKWdUup1bq8k(i1ZC-VLE}JZrqod%TT%urP07OQ{3Wlau
fMut`fmYY+q`3bOsnC6?eKhtCeGc6}SeW?rp85bOt

delta 86
zcmeCU!rXC%d4t4srYA2qOHJ>zU^hxhG`27>+Pv!gTsB!KM@PXwxkSOp0Emo?6%0+S
f3=OOdjW(xT^AlhNF%33vf2PR{W*Sa@`cfGHA1)kp

diff --git a/firmware.packed.bin b/firmware.packed.bin
index 3f45f10d060b4504a42ae6fed00978971e0127d2..32f36ec2739c37dd11f8a91d95adaa6233487048 100644
GIT binary patch
delta 102
zcmV-s0Ga=q)B~E-1F!}l2Y9B`QC7YQvkf2{cLFy4vnrQ~I0uGRIzFJ1ud}+(odz8!
zz_YM4N1JvC-nh<vR`%Ysv#w)2LN+Vpo(jYjvvk%@5Cv4%np%gm$L1*m1)TxT98Qz<
I=_3NfdI*^=8vp<R

delta 102
zcmV-s0Ga=q)B~E-1F!}l2YT?(Q&{U=vkf2{cLG)OvnrQ~I0u9SK0L0+`?I>wodz8$
zmbbDx63=!B-nh<vR`%Ysv#w)2LN+Vsp9;kuvvk%@5CvD(np=Rg$L1*m1)c!T9Y&M&
I=_3Nhn_ej|LI3~&

diff --git a/frequencies.c b/frequencies.c
index dae752b..c4e964f 100644
--- a/frequencies.c
+++ b/frequencies.c
@@ -23,7 +23,11 @@
 uint32_t g_aircopy_freq = 41002500;
 
 // FM broadcast band lower/upper limit
-const freq_band_table_t FM_RADIO_BAND = {880, 1080};
+#ifdef ENABLE_FMRADIO_64_108
+	const freq_band_table_t FM_RADIO_BAND = {680, 1080};
+#else
+	const freq_band_table_t FM_RADIO_BAND = {880, 1080};
+#endif
 
 // the BK4819 has 2 bands it covers, 18MHz ~ 630MHz and 760MHz ~ 1300MHz
 const freq_band_table_t BX4819_BAND1 = { 1800000,  63000000};