UI: Add MEM channel filtering per zone

openrtx/include/state.h

@@ -52,6 +52,8 @@ typedef struct
     uint16_t channel_index;
     channel_t channel;
     channel_t vfo_channel;
+    bool zone_enabled;
+    zone_t zone;
     uint8_t rtxStatus;
     // Squelch steps from 0 to 15
     uint8_t sqlLevel;

openrtx/src/state.c

@@ -19,6 +19,7 @@
  ***************************************************************************/
 
 #include <stdio.h>
+#include <string.h>
 #include <state.h>
 #include <battery.h>
 #include <hwconfig.h>
@@ -39,7 +40,8 @@ void state_init()
     state.v_bat = platform_getVbat();
     state.charge = battery_getCharge(state.v_bat);
     state.rssi = rtx_getRssi();
-
+    
+    // Set VFO channel default settings
     state.channelInfoUpdated = true;
     state.channel.mode = FM;
     state.channel.bandwidth = BW_25;
@@ -50,7 +52,7 @@ void state_init()
     state.channel.fm.rxTone = 2; // 71.9Hz
     state.channel.fm.txToneEn = 1;
     state.channel.fm.txTone = 2; // 71.9Hz
-
+    state.zone_enabled = false;
     state.rtxStatus = RTX_OFF;
 #ifdef HAS_ABSOLUTE_KNOB // If the radio has an absolute position knob
     state.sqlLevel = platform_getChSelector() - 1;

openrtx/src/ui/ui.c

@@ -436,8 +436,17 @@ bool _ui_drawDarkOverlay() {
 }
 
 int _ui_fsm_loadChannel(uint16_t index, bool *sync_rtx) {
-    // Try to load selected channel
     channel_t channel;
+    // If a zone is active, get index from current zone
+    if(state.zone_enabled)
+    {
+        // Calculate zone size
+        const uint8_t zone_size = sizeof(state.zone.member)/sizeof(state.zone.member[0]);
+        if(index >= zone_size)
+            return -1;
+        else
+            index = state.zone.member[index];
+    }
     int result = nvm_readChannelData(&channel, index);
     // Read successful and channel is valid
     if(result != -1 && _ui_channel_valid(&channel))
@@ -830,7 +839,8 @@ void ui_updateFSM(event_t event, bool *sync_rtx)
                     if(state.ui_screen == MENU_ZONE)
                     {
                         zone_t zone;
-                        if(nvm_readZoneData(&zone, ui_state.menu_selected + 1) != -1)
+                        // The index is -1 because the first zone "All channels" is not read from flash
+                        if(nvm_readZoneData(&zone, ui_state.menu_selected) != -1)
                             ui_state.menu_selected += 1;
                     }
                     else if(state.ui_screen == MENU_CHANNEL)
@@ -848,6 +858,31 @@ void ui_updateFSM(event_t event, bool *sync_rtx)
                 }
                 else if(msg.keys & KEY_ENTER)
                 {
+                    if(state.ui_screen == MENU_ZONE)
+                    {
+                        zone_t newzone;
+                        int result = 0;
+                        // If "All channels" is selected, load default zone
+                        if(ui_state.menu_selected == 0)
+                            state.zone_enabled = false;
+                        else
+                        {
+                            state.zone_enabled = true;
+                            // The index is -1 because the first zone "All channels" is not read from flash
+                            result = nvm_readZoneData(&newzone, ui_state.menu_selected  - 1);
+                        }
+                        if(result != -1)
+                        {
+                            state.zone = newzone;
+                            // If we were in VFO mode, save VFO channel
+                            if(ui_state.last_main_state == MAIN_VFO)
+                                state.vfo_channel = state.channel;
+                            // Load zone first channel
+                            _ui_fsm_loadChannel(0, sync_rtx);
+                            // Switch to MEM screen
+                            state.ui_screen = MAIN_MEM;
+                        }
+                    }
                     if(state.ui_screen == MENU_CHANNEL)
                     {
                         // If we were in VFO mode, save VFO channel

openrtx/src/ui/ui_main.c

@@ -64,18 +64,18 @@ void _ui_drawMainTop()
               color_white);
 }
 
-void _ui_drawZoneChannel(bool print_zone)
+void _ui_drawZoneChannel()
 {
-    if(print_zone)
-    {
-        char zone_buf[20] = "";
-        snprintf(zone_buf, sizeof(zone_buf), "zone: %.13s", "Test Zone");
-        // Print Zone name
-        gfx_print(layout.line1_pos, zone_buf, layout.line1_font, TEXT_ALIGN_LEFT, color_white);
-    }
+    char zone_buf[20] = "";
     char channel_buf[20] = "";
+    if(!last_state.zone_enabled)
+        snprintf(zone_buf, sizeof(zone_buf), "zone: %.13s", "All channels");
+    else
+        snprintf(zone_buf, sizeof(zone_buf), "zone: %.13s", last_state.zone.name);
     snprintf(channel_buf, sizeof(channel_buf), "  %03d: %.12s", last_state.channel_index,
                                                              last_state.channel.name);
+    // Print Zone name
+    gfx_print(layout.line1_pos, zone_buf, layout.line1_font, TEXT_ALIGN_LEFT, color_white);
     // Print Channel name
     gfx_print(layout.line2_pos, channel_buf, layout.line2_font, TEXT_ALIGN_LEFT, color_white);
 }
@@ -183,7 +183,7 @@ void _ui_drawMainMEM()
 {
     gfx_clearScreen();
     _ui_drawMainTop();
-    _ui_drawZoneChannel(false);
+    _ui_drawZoneChannel();
     _ui_drawFrequency();
     _ui_drawBottom();
 }

openrtx/src/ui/ui_menu.c

@@ -147,10 +147,19 @@ int _ui_getInfoValueName(char *buf, uint8_t max_len, uint8_t index)
 }
 int _ui_getZoneName(char *buf, uint8_t max_len, uint8_t index)
 {
-    zone_t zone;
-    int result = nvm_readZoneData(&zone, index);
-    if(result != -1)
-        snprintf(buf, max_len, "%s", zone.name);
+    int result = 0;
+    // First zone "All channels" is not read from flash
+    if(index == 0)
+    {
+        snprintf(buf, max_len, "All channels");
+    }
+    else
+    {
+        zone_t zone;
+        int result = nvm_readZoneData(&zone, index - 1);
+        if(result != -1)
+            snprintf(buf, max_len, "%s", zone.name);
+    }
     return result;
 }