From 6c452ecab5e4490241aa5850f610767a845b919d Mon Sep 17 00:00:00 2001
From: libc0607 <libc0607@gmail.com>
Date: Sat, 27 Apr 2024 19:03:19 +0800
Subject: [PATCH] Add RTL8733BU FPV driver & wifibroadcast script support for
 FPV

---
 general/package/Config.in                     |  1 +
 .../0001-fix-extra-cflags.patch               | 11 +++++++++
 .../package/rtl8733bu-openipc-fpv/Config.in   | 16 +++++++++++++
 .../rtl8733bu-openipc-fpv.mk                  | 24 +++++++++++++++++++
 .../package/wifibroadcast/files/wifibroadcast |  7 +++++-
 5 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 general/package/rtl8733bu-openipc-fpv/0001-fix-extra-cflags.patch
 create mode 100644 general/package/rtl8733bu-openipc-fpv/Config.in
 create mode 100644 general/package/rtl8733bu-openipc-fpv/rtl8733bu-openipc-fpv.mk

diff --git a/general/package/Config.in b/general/package/Config.in
index 3bd3de867..78755260e 100644
--- a/general/package/Config.in
+++ b/general/package/Config.in
@@ -87,6 +87,7 @@ source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8189es-openipc/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8189fs-openipc/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8192eu-openipc/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8733bu-openipc/Config.in"
+source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8733bu-openipc-fpv/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rtl8812au-openipc/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rtw-hostapd/Config.in"
 source "$BR2_EXTERNAL_GENERAL_PATH/package/rubyfpv/Config.in"
diff --git a/general/package/rtl8733bu-openipc-fpv/0001-fix-extra-cflags.patch b/general/package/rtl8733bu-openipc-fpv/0001-fix-extra-cflags.patch
new file mode 100644
index 000000000..4dd1de6f1
--- /dev/null
+++ b/general/package/rtl8733bu-openipc-fpv/0001-fix-extra-cflags.patch
@@ -0,0 +1,11 @@
+--- a/Makefile	
++++ b/Makefile	
+@@ -1,6 +1,7 @@
+ EXTRA_CFLAGS += $(USER_EXTRA_CFLAGS)
+-EXTRA_CFLAGS += -O1
++EXTRA_CFLAGS += -Os
+ #EXTRA_CFLAGS += -O3
++EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN -DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT
+ #EXTRA_CFLAGS += -Wall
+ #EXTRA_CFLAGS += -Wextra
+ #EXTRA_CFLAGS += -Werror
diff --git a/general/package/rtl8733bu-openipc-fpv/Config.in b/general/package/rtl8733bu-openipc-fpv/Config.in
new file mode 100644
index 000000000..2bd1bc5c6
--- /dev/null
+++ b/general/package/rtl8733bu-openipc-fpv/Config.in
@@ -0,0 +1,16 @@
+config BR2_PACKAGE_RTL8733BU_OPENIPC_FPV
+	bool "rtl8733bu-openipc-fpv"
+	depends on BR2_LINUX_KERNEL
+	help
+	  A standalone driver for the RTL8733BU Dual Band
+	  USB Wi-Fi adapter.
+
+	  Make sure your target kernel has the CONFIG_WIRELESS_EXT
+	  config option enabled.
+
+	  Note: this package needs a firmware loading mechanism to
+	  load the binary blob for the chip to work.
+
+
+comment "rtl8733bu needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
diff --git a/general/package/rtl8733bu-openipc-fpv/rtl8733bu-openipc-fpv.mk b/general/package/rtl8733bu-openipc-fpv/rtl8733bu-openipc-fpv.mk
new file mode 100644
index 000000000..1193258f6
--- /dev/null
+++ b/general/package/rtl8733bu-openipc-fpv/rtl8733bu-openipc-fpv.mk
@@ -0,0 +1,24 @@
+################################################################################
+#
+# rtl8733bu-openipc-fpv
+#
+################################################################################
+
+ifeq ($(LOCAL_DOWNLOAD),y)
+RTL8733BU_OPENIPC_FPV_SITE_METHOD = git
+RTL8733BU_OPENIPC_FPV_SITE = https://github.com/libc0607/rtl8733bu-20230626
+RTL8733BU_OPENIPC_FPV_VERSION = $(shell git ls-remote $(RTL8733BU_OPENIPC_FPV_SITE) HEAD | head -1 | cut -f1)
+else
+RTL8733BU_OPENIPC_FPV_SITE = https://github.com/libc0607/rtl8733bu-20230626/archive
+RTL8733BU_OPENIPC_FPV_SOURCE = master.tar.gz
+endif
+
+RTL8733BU_OPENIPC_FPV_LICENSE = GPL-2.0
+RTL8733BU_OPENIPC_FPV_LICENSE_FILES = COPYING
+
+RTL8733BU_OPENIPC_FPV_MODULE_MAKE_OPTS = CONFIG_RTL8733BU=m \
+	KVER=$(LINUX_VERSION_PROBED) \
+	KSRC=$(LINUX_DIR)
+
+$(eval $(kernel-module))
+$(eval $(generic-package))
diff --git a/general/package/wifibroadcast/files/wifibroadcast b/general/package/wifibroadcast/files/wifibroadcast
index 8a61770a9..cb89c4add 100755
--- a/general/package/wifibroadcast/files/wifibroadcast
+++ b/general/package/wifibroadcast/files/wifibroadcast
@@ -43,6 +43,11 @@ detect_wifi_card() {
 				driver="realtek_8812eu"
 				modprobe 8812eu rtw_regd_src=1 rtw_tx_pwr_by_rate=0 rtw_tx_pwr_lmt_enable=0
 				;;
+				
+			"0bda:f72b")
+				driver="realtek_8733bu"
+				modprobe 8733bu rtw_regd_src=1 rtw_tx_pwr_by_rate=0 rtw_tx_pwr_lmt_enable=0
+				;;
 
 			"0cf3:9271" | "040d:3801")
 				driver="atheros"
@@ -83,7 +88,7 @@ load_interface() {
 	if [ "$driver" = "realtek" ]; then
 		ifconfig "$wlan" up
 		iwconfig "$wlan" mode monitor
-	elif [ "$driver" = "realtek_8812eu" ]; then
+	elif [ "$driver" = "realtek_8812eu" ] || [ "$driver" = "realtek_8733bu" ]; then
 		ifconfig "$wlan" up
 		iwconfig "$wlan" mode monitor
 		iw dev "$wlan" set txpower fixed $((driver_txpower_override * 50))