added "Auto scan presets" option to radio menu

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7917 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 119 insertions, 5 deletions

diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index 1a4b88c..4e712a2 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -1714,9 +1714,9 @@ voice: ""
 new:
 
 id: LANG_FM_NO_PRESETS
-desc:  DEPRECATED
-eng: ""
-voice: ""
+desc: error when preset list is empty
+eng: "No presets"
+voice: "No presets"
 new:
 
 id: LANG_FM_NO_FREE_PRESETS
@@ -3384,7 +3384,7 @@ voice: ""
 new:
 
 id: LANG_FM_FREEZE
-desc: error message when preset list is empty
+desc: splash screen during freeze in radio mode
 eng: "Screen frozen!"
 voice: ""
 new:
@@ -3400,3 +3400,34 @@ desc: in the sound settings menu
 eng: "Crossfeed"
 voice:
 new:
+
+id: LANG_FM_SCAN_PRESETS
+desc: in radio menu
+eng: "Auto scan presets"
+voice: "Auto scan presets"
+new:
+
+id: LANG_FM_SCANNING
+desc: during auto scan
+eng: "Scanning %d.%dMHz"
+voice: ""
+new:
+
+id: LANG_FM_DEFAULT_PRESET_NAME
+desc: default preset name for auto scan mode
+eng: "%d.%dMHz"
+voice:
+new:
+
+id: LANG_FM_ADD_PRESET
+desc: in radio menu
+eng: "Add preset"
+voice: "Add preset"
+new:
+
+id: LANG_FM_CLEAR_PRESETS
+desc: confirmation if presets can be cleared
+eng: "Clear current presets?"
+voice: "Clear current presets?"
+new:
+
diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 1c54602..60a14ef 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -625,6 +625,11 @@ bool radio_screen(void)
                   )
                      break;
 #endif
+                if(num_presets < 1){
+                    gui_syncsplash(HZ, true, str(LANG_FM_NO_PRESETS));
+                    update_screen = true;
+                    break;
+                }
                 handle_radio_presets();
                 curr_preset = find_preset(curr_freq);
                 FOR_NB_SCREENS(i){
@@ -1178,6 +1183,83 @@ static bool toggle_mono_mode(void)
 }
 
 
+static bool scan_presets(void)
+{
+    bool exit = false;
+    bool tuned = false;
+    char buf[32];
+    int freq, i;
+
+    FOR_NB_SCREENS(i){
+        gui_textarea_clear(&screens[i]);
+        screens[i].puts_scroll(0,0,str(LANG_FM_CLEAR_PRESETS));
+        screens[i].puts_scroll(0,2,str(LANG_CONFIRM_WITH_PLAY_RECORDER));
+        screens[i].puts_scroll(0,3,str(LANG_CANCEL_WITH_ANY_RECORDER)); 
+        gui_textarea_update(&screens[i]);
+    }
+
+    while (!exit) {
+        int btn = button_get(true);
+        switch (btn) {
+            case SETTINGS_OK:
+                FOR_NB_SCREENS(i)
+                    gui_textarea_clear(&screens[i]);
+                curr_freq = MIN_FREQ;
+                num_presets = 0;
+                while(curr_freq <= MAX_FREQ){
+                    if (num_presets >= MAX_PRESETS)
+                        break;
+
+                    freq = curr_freq /100000;
+                    snprintf(buf, 32, str(LANG_FM_SCANNING), freq/10, freq % 10);
+                    gui_syncsplash(0, true, buf);
+
+                    /* Tune in and delay */
+                    radio_set(RADIO_FREQUENCY, curr_freq);
+                    sleep(1);
+            
+                    /* Start IF measurement */
+                    radio_set(RADIO_IF_MEASUREMENT, 1);
+                    sleep(1);
+
+                    /* Now check how close to the IF frequency we are */
+                    tuned = radio_get(RADIO_TUNED);
+
+                    /* add preset */
+                    if(tuned){
+                        snprintf(buf, 32, str(LANG_FM_DEFAULT_PRESET_NAME),freq/10, freq % 10);
+                        strcpy(presets[num_presets].name, buf);
+                        presets[num_presets].frequency = curr_freq;
+                        menu_insert(preset_menu, -1,
+                                    presets[num_presets].name, 0);
+                        num_presets++;
+                    }
+
+                    curr_freq += FREQ_STEP;
+                   
+                }
+
+                rebuild_preset_menu();
+                radio_save_presets();
+
+                if(num_presets > 0 ){
+                    curr_freq = presets[0].frequency;
+                    radio_set(RADIO_FREQUENCY, curr_freq);
+                    remember_frequency();
+                }
+                exit = true;
+                break;
+
+            default:
+                /* ignore button releases */
+                if (!(btn & BUTTON_REL))
+                    exit = true;
+                break;
+        }
+    }
+    return true;
+}
+
 /* button preprocessor for the main menu */
 int radio_menu_cb(int key, int m)
 {
@@ -1218,13 +1300,14 @@ bool radio_menu(void)
         { ID2P(LANG_FM_BUTTONBAR_PRESETS), handle_radio_presets },
 #endif
 #ifndef FM_PRESET_ADD
-        { ID2P(LANG_FM_BUTTONBAR_ADD)    , radio_add_preset     },
+        { ID2P(LANG_FM_ADD_PRESET)       , radio_add_preset     },
 #endif
         { monomode_menu_string           , toggle_mono_mode     },
         { ID2P(LANG_SOUND_SETTINGS)      , sound_menu           },
 #if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
         { ID2P(LANG_RECORDING_SETTINGS)  , fm_recording_settings},
 #endif
+        { ID2P(LANG_FM_SCAN_PRESETS)  , scan_presets},
     };
 
     create_monomode_menu();