Improve VTX manager init and config

Author: jesuslg123

jni/osd_dji_overlay_udp.c

@@ -79,6 +79,9 @@ typedef enum
 
 #define BACK_BUTTON_DELAY 4
 
+#define VTX_MPS_CONFIG_KEY "vtx_msp"
+static u_int8_t vtx_manager_enabled;
+
 #define SWAP32(data)   \
 ( (((data) >> 24) & 0x000000FF) | (((data) >>  8) & 0x0000FF00) | \
   (((data) <<  8) & 0x00FF0000) | (((data) << 24) & 0xFF000000) )
@@ -496,7 +499,9 @@ static void process_data_packet(uint8_t *buf, int len, dji_shm_state_t *radio_sh
         snprintf(str, 8, "A %2.1fV", packet->tx_voltage / 64.0f);
         display_print_string(overlay_display_info.char_width - 7, overlay_display_info.char_height - 7, str, 7);
     }
-    changeChannel(packet->fc_vtx_channel);
+    if(vtx_manager_enabled == 1) {
+        changeChannel(packet->fc_vtx_channel);
+    }
     if(len > 6) {
         DEBUG_PRINT("Got new packet with variant %.4s\n", packet->fc_variant);
         // should have FC type
@@ -755,6 +760,9 @@ void osd_directfb(duss_disp_instance_handle_t *disp, duss_hal_obj_handle_t ion_h
     int compression_dict_size = 0;
     void *compression_dict = open_dict(DICTIONARY_VERSION, &compression_dict_size);
 
+    vtx_manager_enabled = get_boolean_config_value(VTX_MPS_CONFIG_KEY);
+    setupVTXManager();
+
     uint64_t event_number;
     while (!quit)
     {

jni/util/vtx_manager.c

@@ -1,10 +1,8 @@
 #include <stdlib.h>
 #include <dlfcn.h>
-#include "json/osd_config.h"
 #include "util/debug.h"
 #include "vtx_manager.h"
 
-#define VTX_MPS_CONFIG_KEY "vtx_msp"
 #define CHANNEL_PUBLIC 8
 
 static void *tp1801_gui_lib = NULL;
@@ -14,7 +12,11 @@ static uint32_t userSettingsInstance = 0;
 static __gs_gui_config *gs_gui_config = 0;
 static int8_t currentChannel = -1;
 
-void setupManager() {
+void setupVTXManager() {
+    if(setChannelPilotOriginal != NULL)  {
+        return;
+    }
+
     //Load SetPilotChannel original
     setChannelPilotOriginal = dlsym (RTLD_NEXT, "_ZN17GlassUserSettings15setPilotChannelEtb");
     if (setChannelPilotOriginal == NULL) {
@@ -46,12 +48,6 @@ void setupManager() {
 }
 
 void changeChannel(int8_t channel) {
-    if(!get_boolean_config_value(VTX_MPS_CONFIG_KEY)) {
-        return;
-    }
-
-    setupManager();
-
     if (channel <= 0 || channel > 8) {
         printf("VTX_MANAGER Error:, invalid channel index: %d\n", channel);
         return;
@@ -70,4 +66,4 @@ void changeChannel(int8_t channel) {
         int8_t channelIdx = channel - 1;
         setChannelPilotOriginal(userSettingsGetInstanceOriginal(), channelIdx, true);
     }
-}
+}