iRiver: Initial support for wav-recording in recording menu. Supports mic/line-in (and radio), monitor mode, time-splitting (and byte-splitting), pause/resume etc. Things todo: Prerecording, peakmeter (should be simple), frequency other than 44.1 kHz, etc..

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7818 a1c6a512-1295-4272-9138-f99709370657

19 files changed, 770 insertions, 378 deletions

diff --git a/apps/SOURCES b/apps/SOURCES
index 8b2184b..6b2b682 100644
--- a/apps/SOURCES
+++ b/apps/SOURCES
@@ -65,7 +65,4 @@ playback.c
 metadata.c
 codecs.c
 dsp.c
-#ifndef SIMULATOR
-pcm_recording.c
-#endif
 #endif
diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index cd395cc..dd6a2d7 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -58,9 +58,6 @@
 #include "ata_mmc.h"
 #endif
 #include "logfdisp.h"
-#if defined(IRIVER_H100_SERIES) && !defined(SIMULATOR)
-extern bool pcm_rec_screen(void);
-#endif
 #if CONFIG_CODEC == SWCODEC
 #include "pcmbuf.h"
 #include "pcm_playback.h"
@@ -1781,7 +1778,6 @@ bool debug_menu(void)
         { "CPU frequency", dbg_cpufreq },
 #endif
 #if defined(IRIVER_H100_SERIES) && !defined(SIMULATOR)
-        { "PCM recording", pcm_rec_screen },
         { "S/PDIF analyzer", dbg_spdif },
 #endif
 #if CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE)
diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index 9d54717..9123066 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -939,13 +939,13 @@ new:
 
 id: LANG_RECORDING_LEFT
 desc: in the recording screen
-eng: "Left"
+eng: "Gain Left"
 voice: ""
 new:
 
 id: LANG_RECORDING_RIGHT
 desc: in the recording screen
-eng: "Right"
+eng: "Gain Right"
 voice: ""
 new:
 
@@ -3352,3 +3352,21 @@ desc: in crossfade settings menu
 eng: "Fade out mode"
 voice: "Fade out mode"
 new:
+
+id: LANG_RECORDING_ADC_RIGHT
+desc: in the recording settings
+eng: "ADC Gain Right"
+voice: "ADC Gain Right"
+new:
+
+id: LANG_RECORDING_ADC_LEFT
+desc: in the recording settings
+eng: "ADC Gain Left"
+voice: "ADC Gain Left"
+new:
+
+id: LANG_RECORDING_MONITOR
+desc: in the recording settings
+eng: "Monitor Mode"
+voice: "Monitor Mode"
+new:
diff --git a/apps/main.c b/apps/main.c
index 296b3fc..ab802d5 100644
--- a/apps/main.c
+++ b/apps/main.c
@@ -323,7 +323,7 @@ void init(void)
     sound_settings_apply();
 #endif
 #if defined(IRIVER_H100_SERIES) && !defined(SIMULATOR)
-    pcm_init_recording();
+    pcm_rec_init();
 #endif
     talk_init();
     /* runtime database has to be initialized after audio_init() */
diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 443bb31..6be6d04 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -226,7 +226,7 @@ bool radio_screen(void)
     audio_stop();
 
 #if CONFIG_CODEC != SWCODEC
-    mpeg_init_recording();
+    audio_init_recording();
 
     sound_settings_apply();
 
@@ -238,23 +238,24 @@ bool radio_screen(void)
     if (global_settings.rec_prerecord_time)
         talk_buffer_steal(); /* will use the mp3 buffer */
 
-    mpeg_set_recording_options(global_settings.rec_frequency,
+    audio_set_recording_options(global_settings.rec_frequency,
                                global_settings.rec_quality,
                                1, /* Line In */
                                global_settings.rec_channels,
                                global_settings.rec_editable,
-                               global_settings.rec_prerecord_time);
+                               global_settings.rec_prerecord_time,
+                               global_settings.rec_monitor);
 
     
-    mpeg_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
-                            sound_default(SOUND_RIGHT_GAIN), false);
+    audio_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
+                            sound_default(SOUND_RIGHT_GAIN), AUDIO_GAIN_LINEIN);
 #else
     uda1380_enable_recording(false);
-    uda1380_set_recvol(0, 0, 10);
+    uda1380_set_recvol(10, 10, AUDIO_GAIN_LINEIN);
     uda1380_set_monitor(true);
 
     /* Set the input multiplexer to FM */
-    pcmrec_set_mux(1);
+    pcm_rec_mux(1);
 #endif
 #endif
 
@@ -345,14 +346,14 @@ bool radio_screen(void)
 #ifndef SIMULATOR
                 if(audio_status() == AUDIO_STATUS_RECORD)
                 {
-                    mpeg_new_file(rec_create_filename(buf));
+                    audio_new_file(rec_create_filename(buf));
                     update_screen = true;
                 }
                 else
                 {
                     have_recorded = true;
                     talk_buffer_steal(); /* we use the mp3 buffer */
-                    mpeg_record(rec_create_filename(buf));
+                    audio_record(rec_create_filename(buf));
                     update_screen = true;
                 }
 #endif
@@ -517,7 +518,7 @@ bool radio_screen(void)
             
 #ifndef SIMULATOR
 #if CONFIG_CODEC != SWCODEC
-            seconds = mpeg_recorded_time() / HZ;
+            seconds = audio_recorded_time() / HZ;
 #endif
 #endif
             if(update_screen || seconds > last_seconds)
@@ -609,8 +610,8 @@ bool radio_screen(void)
     {
 #if CONFIG_CODEC != SWCODEC
         /* Enable the Left and right A/D Converter */
-        mpeg_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
-                                sound_default(SOUND_RIGHT_GAIN), false);
+        audio_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
+                                sound_default(SOUND_RIGHT_GAIN), AUDIO_GAIN_LINEIN);
         mas_codec_writereg(6, 0x4000);
 #endif
         radio_set_status(FMRADIO_POWERED); /* leave it powered */
@@ -619,7 +620,7 @@ bool radio_screen(void)
     {
         radio_stop();
 #if CONFIG_CODEC == SWCODEC
-        pcmrec_set_mux(0); /* Line In */
+        pcm_rec_mux(0); /* Line In */
 #endif
     }
 
@@ -913,12 +914,13 @@ static bool fm_recording_settings(void)
         if (global_settings.rec_prerecord_time)
             talk_buffer_steal(); /* will use the mp3 buffer */
 
-        mpeg_set_recording_options(global_settings.rec_frequency,
+        audio_set_recording_options(global_settings.rec_frequency,
                                    global_settings.rec_quality,
                                    1, /* Line In */
                                    global_settings.rec_channels,
                                    global_settings.rec_editable,
-                                   global_settings.rec_prerecord_time);
+                                   global_settings.rec_prerecord_time,
+                                   global_settings.rec_monitor);
     }
     return ret;
 }
diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index b70e7b6..ebd9217 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -28,6 +28,13 @@
 #include "led.h"
 #include "mpeg.h"
 #include "audio.h"
+#if CONFIG_CODEC == SWCODEC
+#include "pcm_record.h"
+#endif
+#ifdef HAVE_UDA1380
+#include "uda1380.h"
+#endif
+
 #include "mp3_playback.h"
 #include "mas.h"
 #include "button.h"
@@ -79,9 +86,12 @@
 
 #elif CONFIG_KEYPAD == IRIVER_H100_PAD
 #define REC_STOPEXIT BUTTON_OFF
-#define REC_RECPAUSE BUTTON_ON
+#define REC_RECPAUSE BUTTON_REC
 #define REC_INC BUTTON_RIGHT
 #define REC_DEC BUTTON_LEFT
+#define REC_NEXT BUTTON_DOWN
+#define REC_PREV BUTTON_UP
+#define REC_SETTINGS BUTTON_MODE
 
 #elif CONFIG_KEYPAD == GMINI100_PAD
 #define REC_STOPEXIT BUTTON_OFF
@@ -102,6 +112,12 @@ bool f3_rec_screen(void);
 #define MAX_SOURCE   SOURCE_LINE
 #endif
 
+#if CONFIG_CODEC == SWCODEC
+#define REC_FILE_ENDING ".wav"
+#else
+#define REC_FILE_ENDING ".mp3"
+#endif
+
 #define MAX_FILE_SIZE 0x7FF00000 /* 2 GB - 1 MB */
 
 const char* const freq_str[6] =
@@ -118,13 +134,18 @@ static void set_gain(void)
 {
     if(global_settings.rec_source == SOURCE_MIC)
     {
-        mpeg_set_recording_gain(global_settings.rec_mic_gain, 0, true);
+        audio_set_recording_gain(global_settings.rec_mic_gain, 0, AUDIO_GAIN_MIC);
     }
     else
     {
-        mpeg_set_recording_gain(global_settings.rec_left_gain,
-                                global_settings.rec_right_gain, false);
+        audio_set_recording_gain(global_settings.rec_left_gain,
+                                global_settings.rec_right_gain, AUDIO_GAIN_LINEIN);
     }
+#ifdef HAVE_UDA1380
+    audio_set_recording_gain(global_settings.rec_adc_left_gain, 
+                             global_settings.rec_adc_right_gain, 
+                             AUDIO_GAIN_ADC);
+#endif    
 }
 
 static const char* const fmtstr[] =
@@ -176,9 +197,9 @@ char *rec_create_filename(char *buffer)
         strncpy(buffer, rec_base_directory, MAX_PATH);
 
 #ifdef HAVE_RTC 
-    create_datetime_filename(buffer, buffer, "R", ".mp3");
+    create_datetime_filename(buffer, buffer, "R", REC_FILE_ENDING);
 #else
-    create_numbered_filename(buffer, buffer, "rec_", ".mp3", 4);
+    create_numbered_filename(buffer, buffer, "rec_", REC_FILE_ENDING, 4);
 #endif
     return buffer;
 }
@@ -227,7 +248,7 @@ static void trigger_listener(int trigger_status)
             if((audio_status() & AUDIO_STATUS_RECORD) != AUDIO_STATUS_RECORD)
             {
               talk_buffer_steal(); /* we use the mp3 buffer */
-              mpeg_record(rec_create_filename(path_buffer));
+              audio_record(rec_create_filename(path_buffer));
 
               /* give control to mpeg thread so that it can start recording */
               yield(); yield(); yield();
@@ -236,7 +257,7 @@ static void trigger_listener(int trigger_status)
             /* if we're already recording this is a retrigger */
             else
             {
-                mpeg_new_file(rec_create_filename(path_buffer));
+                audio_new_file(rec_create_filename(path_buffer));
                 /* tell recording_screen to reset the time */
                 last_seconds = 0;
             }
@@ -273,6 +294,7 @@ bool recording_screen(void)
     char path_buffer[MAX_PATH];
     bool been_in_usb_mode = false;
     int last_audio_stat = -1;
+    int audio_stat;
 #if CONFIG_LED == LED_REAL
     bool led_state = false;
     int led_countdown = 2;
@@ -289,7 +311,7 @@ bool recording_screen(void)
 #if (CONFIG_LED == LED_REAL) && !defined(SIMULATOR)
     ata_set_led_enabled(false);
 #endif
-    mpeg_init_recording();
+    audio_init_recording();
 
     sound_set_volume(global_settings.volume);
     
@@ -298,15 +320,20 @@ bool recording_screen(void)
     
     peak_meter_enabled = true;
 
+#if CONFIG_CODEC == SWCODEC
+    audio_stop();
+#endif
+
     if (global_settings.rec_prerecord_time)
         talk_buffer_steal(); /* will use the mp3 buffer */
 
-    mpeg_set_recording_options(global_settings.rec_frequency,
+    audio_set_recording_options(global_settings.rec_frequency,
                                global_settings.rec_quality,
                                global_settings.rec_source,
                                global_settings.rec_channels,
                                global_settings.rec_editable,
-                               global_settings.rec_prerecord_time);
+                               global_settings.rec_prerecord_time,
+                               global_settings.rec_monitor);
 
     set_gain();
 
@@ -321,7 +348,12 @@ bool recording_screen(void)
 
     while(!done)
     {
-        int audio_stat = audio_status();
+#if CONFIG_CODEC == SWCODEC        
+        audio_stat = pcm_rec_status();
+#else
+        audio_stat = audio_status();
+#endif
+        
 #if CONFIG_LED == LED_REAL
 
         /*
@@ -390,7 +422,7 @@ bool recording_screen(void)
 
                 if(audio_stat & AUDIO_STATUS_RECORD)
                 {
-                    audio_stop();
+                    audio_stop_recording();
                 }
                 else
                 {
@@ -416,7 +448,7 @@ bool recording_screen(void)
                         /* manual recording */
                         have_recorded = true;
                         talk_buffer_steal(); /* we use the mp3 buffer */
-                        mpeg_record(rec_create_filename(path_buffer));
+                        audio_record(rec_create_filename(path_buffer));
                         last_seconds = 0;
                         if (global_settings.talk_menu)
                         {   /* no voice possible here, but a beep */
@@ -438,7 +470,7 @@ bool recording_screen(void)
                 {
                     if(audio_stat & AUDIO_STATUS_PAUSE)
                     {
-                        mpeg_resume_recording();
+                        audio_resume_recording();
                         if (global_settings.talk_menu)
                         {   /* no voice possible here, but a beep */
                             audio_beep(HZ/4); /* short beep on resume */
@@ -446,7 +478,7 @@ bool recording_screen(void)
                     }
                     else
                     {
-                        mpeg_pause_recording();
+                        audio_pause_recording();
                     }
                 }
                 update_countdown = 1; /* Update immediately */
@@ -535,7 +567,7 @@ bool recording_screen(void)
                            sound_min(SOUND_RIGHT_GAIN))
                             global_settings.rec_right_gain--;
                         break;
-                }
+                } 
                 set_gain();
                 update_countdown = 1; /* Update immediately */
                 break;
@@ -557,12 +589,13 @@ bool recording_screen(void)
                     if (global_settings.rec_prerecord_time)
                         talk_buffer_steal(); /* will use the mp3 buffer */
 
-                    mpeg_set_recording_options(global_settings.rec_frequency,
+                    audio_set_recording_options(global_settings.rec_frequency,
                                                global_settings.rec_quality,
                                                global_settings.rec_source,
                                                global_settings.rec_channels,
                                                global_settings.rec_editable,
-                                               global_settings.rec_prerecord_time);
+                                               global_settings.rec_prerecord_time,
+                                               global_settings.rec_monitor);
                 
                     set_gain();
                     update_countdown = 1; /* Update immediately */
@@ -596,7 +629,7 @@ bool recording_screen(void)
             case REC_F3:
                 if(audio_stat & AUDIO_STATUS_RECORD)
                 {
-                    mpeg_new_file(rec_create_filename(path_buffer));
+                    audio_new_file(rec_create_filename(path_buffer));
                     last_seconds = 0;
                 }
                 else
@@ -638,8 +671,8 @@ bool recording_screen(void)
 
         lcd_setfont(FONT_SYSFIXED);
 
-        seconds = mpeg_recorded_time() / HZ;
- 
+        seconds = audio_recorded_time() / HZ;
+        
         update_countdown--;
         if(update_countdown == 0 || seconds > last_seconds)
         {
@@ -660,7 +693,7 @@ bool recording_screen(void)
             lcd_puts(0, 0, buf);
 
             dseconds = rec_timesplit_seconds();
-            num_recorded_bytes = mpeg_num_recorded_bytes();
+            num_recorded_bytes = audio_num_recorded_bytes();
 
             if(audio_stat & AUDIO_STATUS_PRERECORD)
             {
@@ -699,7 +732,7 @@ bool recording_screen(void)
                 ((global_settings.rec_timesplit && (seconds >= dseconds))
                  || (num_recorded_bytes >= MAX_FILE_SIZE)))
             {
-                mpeg_new_file(rec_create_filename(path_buffer));
+                audio_new_file(rec_create_filename(path_buffer));
                 update_countdown = 1;
                 last_seconds = 0;
             }
@@ -784,7 +817,13 @@ bool recording_screen(void)
         }
     }
 
-    if(audio_status() & AUDIO_STATUS_ERROR)
+    
+#if CONFIG_CODEC == SWCODEC        
+    audio_stat = pcm_rec_status();
+#else
+    audio_stat = audio_status();
+#endif
+    if (audio_stat & AUDIO_STATUS_ERROR)
     {
         splash(0, true, str(LANG_DISK_FULL));
         status_draw(true);
@@ -799,7 +838,12 @@ bool recording_screen(void)
         }
     }
     
+#if CONFIG_CODEC == SWCODEC        
+    audio_stop_recording(); 
+    audio_close_recording();
+#else
     audio_init_playback();
+#endif
 
     /* make sure the trigger is really turned off */
     peak_meter_trigger(false);
@@ -924,12 +968,13 @@ bool f2_rec_screen(void)
     if (global_settings.rec_prerecord_time)
         talk_buffer_steal(); /* will use the mp3 buffer */
 
-    mpeg_set_recording_options(global_settings.rec_frequency,
+    audio_set_recording_options(global_settings.rec_frequency,
                                global_settings.rec_quality,
                                global_settings.rec_source,
                                global_settings.rec_channels,
                                global_settings.rec_editable,
-                               global_settings.rec_prerecord_time);
+                               global_settings.rec_prerecord_time,
+                               global_settings.rec_monitor);
 
     set_gain();
     
@@ -1018,12 +1063,14 @@ bool f3_rec_screen(void)
     if (global_settings.rec_prerecord_time)
         talk_buffer_steal(); /* will use the mp3 buffer */
 
-    mpeg_set_recording_options(global_settings.rec_frequency,
+    audio_set_recording_options(global_settings.rec_frequency,
                                global_settings.rec_quality,
                                global_settings.rec_source,
                                global_settings.rec_channels,
                                global_settings.rec_editable,
-                               global_settings.rec_prerecord_time);
+                               global_settings.rec_prerecord_time,
+                               global_settings.rec_monitor);
+                                                              
 
     set_gain();
 
@@ -1034,4 +1081,13 @@ bool f3_rec_screen(void)
 }
 #endif /* #ifdef REC_F3 */
 
+#if CONFIG_CODEC == SWCODEC
+void audio_beep(int duration)
+{
+    /* dummy */
+    (void)duration;
+}
+#endif
+
+
 #endif /* HAVE_RECORDING */
diff --git a/apps/settings.c b/apps/settings.c
index b573d72..d44fec1 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -85,7 +85,7 @@ const char rec_base_directory[] = REC_BASE_DIR;
 #include "dsp.h"
 #endif
 
-#define CONFIG_BLOCK_VERSION 29
+#define CONFIG_BLOCK_VERSION 30
 #define CONFIG_BLOCK_SIZE 512
 #define RTC_BLOCK_SIZE 44
 
@@ -407,6 +407,7 @@ static const struct bit_entry hd_bits[] =
 
 #ifdef HAVE_RECORDING
     {1, S_O(rec_startup), false, "rec screen on startup", off_on },
+    {1, S_O(rec_monitor), true, "monitor recording", off_on },
 
     /* values for the trigger */
     {8 | SIGNED, S_O(rec_start_thres), -35, "trigger start threshold", NULL},
@@ -450,6 +451,26 @@ static const struct bit_entry hd_bits[] =
     {22, S_O(dircache_size), 0, NULL, NULL },
 #endif
 
+#if defined(HAVE_UDA1380)
+    /* recording settings for iriver */
+    {4, S_O(rec_timesplit), 0, "rec timesplit", /* 0...15 */
+        "off,00:05,00:10,00:15,00:30,01:00,01:14,01:20,02:00,04:00,06:00,08:00,10:00,12:00,18:00,24:00" },
+    {1, S_O(rec_channels), 0, "rec channels", "stereo,mono" },
+    {4, S_O(rec_mic_gain), 4, "rec mic gain", NULL },
+    {1, S_O(rec_source), 0 /* 0=mic */, "rec source", "mic,line" },
+    {3, S_O(rec_frequency), 0, /* 0=44.1kHz */
+        "rec frequency", "44,48,32,22,24,16" },
+    {4, S_O(rec_left_gain), 2, /* 0dB */
+        "rec left gain", NULL }, /* 0...15 */
+    {4, S_O(rec_right_gain), 2, /* 0dB */
+        "rec right gain", NULL }, /* 0...15 */
+    {5, S_O(rec_prerecord_time), 0, "prerecording time", NULL }, /* 0...30 */
+    {1, S_O(rec_directory), 0, /* rec_base_directory */
+        "rec directory", REC_BASE_DIR ",current" },
+    {8|SIGNED, S_O(rec_adc_left_gain),  0, /* 0dB */   "adc left gain", NULL }, /* -128...48 */
+    {8|SIGNED, S_O(rec_adc_right_gain), 0, /* 0dB */   "adc right gain", NULL }, /* -128...48 */
+#endif
+
     /* If values are just added to the end, no need to bump the version. */
     /* new stuff to be added at the end */
 
diff --git a/apps/settings.h b/apps/settings.h
index 63349c6..18c566b 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -176,7 +176,12 @@ struct user_settings
     int rec_mic_gain; /* 0-15 */
     int rec_left_gain; /* 0-15 */
     int rec_right_gain; /* 0-15 */
+#ifdef HAVE_UDA1380
+    int rec_adc_left_gain; /* -128 .. 48 */
+    int rec_adc_right_gain; /* -128 .. 48 */
+#endif    
     bool rec_editable; /* true means that the bit reservoir is off */
+    bool rec_monitor; /* true means that one can listen to what is being recorded */
 
     /* note: timesplit setting is not saved */
     int rec_timesplit; /* 0 = off,
diff --git a/apps/sound_menu.c b/apps/sound_menu.c
index 7663724..c429920 100644
--- a/apps/sound_menu.c
+++ b/apps/sound_menu.c
@@ -228,6 +228,28 @@ static bool receditable(void)
                     &global_settings.rec_editable);
 }
 
+static bool recmonitor(void)
+{
+    return set_bool(str(LANG_RECORDING_MONITOR),
+                    &global_settings.rec_monitor);
+}
+
+#ifdef HAVE_UDA1380
+static bool recadcleft(void)
+{
+    return set_sound(str(LANG_RECORDING_ADC_LEFT),
+                    &global_settings.rec_adc_left_gain,
+                    SOUND_ADC_LEFT_GAIN);
+}
+
+static bool recadcright(void)
+{
+    return set_sound(str(LANG_RECORDING_ADC_RIGHT),
+                    &global_settings.rec_adc_right_gain,
+                    SOUND_ADC_RIGHT_GAIN);
+}
+#endif
+
 static bool rectimesplit(void)
 {
     static const struct opt_items names[] = {
@@ -740,7 +762,7 @@ bool recording_menu(bool no_source)
 {
     int m;
     int i = 0;
-    struct menu_item items[10];
+    struct menu_item items[13];
     bool result;
 
     items[i].desc = ID2P(LANG_RECORDING_QUALITY);
@@ -753,6 +775,16 @@ bool recording_menu(bool no_source)
     }
     items[i].desc = ID2P(LANG_RECORDING_CHANNELS);
     items[i++].function = recchannels;
+    
+#ifdef HAVE_UDA1380
+    items[i].desc = ID2P(LANG_RECORDING_ADC_LEFT);
+    items[i++].function = recadcleft;
+    items[i].desc = ID2P(LANG_RECORDING_ADC_RIGHT);
+    items[i++].function = recadcright;
+#endif
+
+    items[i].desc = ID2P(LANG_RECORDING_MONITOR);
+    items[i++].function = recmonitor;
     items[i].desc = ID2P(LANG_RECORDING_EDITABLE);
     items[i++].function = receditable;
     items[i].desc = ID2P(LANG_RECORD_TIMESPLIT);
diff --git a/firmware/drivers/uda1380.c b/firmware/drivers/uda1380.c
index e89f9bb..6a5bd07 100644
--- a/firmware/drivers/uda1380.c
+++ b/firmware/drivers/uda1380.c
@@ -28,6 +28,7 @@
 #include "string.h"
 #include "file.h"
 #include "buffer.h"
+#include "audio.h"
 
 #include "i2c-coldfire.h"
 #include "uda1380.h"
@@ -204,7 +205,7 @@ void uda1380_close(void)
  * sound samples over the I2S bus, which is connected
  * to the processor's IIS1 interface. 
  *
- * source_mic: true=record from microphone, false=record from line-in
+ * source_mic: true=record from microphone, false=record from line-in (or radio)
  */
 void uda1380_enable_recording(bool source_mic)
 {
@@ -246,17 +247,29 @@ void uda1380_disable_recording(void)
 /**
  * Set recording gain and volume
  * 
- * mic_gain    : range    0 .. 15 ->   0 .. 30 dB gain
- * linein_gain : range    0 .. 15 ->   0 .. 24 dB gain
- * 
- * adc_volume  : range -127 .. 48 -> -63 .. 24 dB gain
- *   note that 0 -> 0 dB gain..
+ * type:             params:        ranges:
+ * AUDIO_GAIN_MIC    left              0 .. 15 ->   0 .. 30 dB gain
+ * AUDIO_GAIN_LINEIN left & right      0 ..  8 ->   0 .. 24 dB gain
+ * AUDIO_GAIN_ADC    left & right   -128 .. 48 -> -64 .. 24 dB gain
+ *
+ * Note: For all types the value 0 gives 0 dB gain.
  */
-void uda1380_set_recvol(int mic_gain, int linein_gain, int adc_volume)
+void uda1380_set_recvol(int left, int right, int type)
 {
-    uda1380_write_reg(REG_DEC_VOL, DEC_VOLL(adc_volume) | DEC_VOLR(adc_volume));
-    uda1380_write_reg(REG_PGA, (uda1380_regs[REG_PGA] & ~PGA_GAIN_MASK) | PGA_GAINL(linein_gain) | PGA_GAINR(linein_gain));
-    uda1380_write_reg(REG_ADC, (uda1380_regs[REG_ADC] & ~VGA_GAIN_MASK) | VGA_GAIN(mic_gain));
+    switch (type)
+    {
+        case AUDIO_GAIN_MIC: 
+            uda1380_write_reg(REG_ADC, (uda1380_regs[REG_ADC] & ~VGA_GAIN_MASK) | VGA_GAIN(left));
+        break;
+        
+        case AUDIO_GAIN_LINEIN:
+            uda1380_write_reg(REG_PGA, (uda1380_regs[REG_PGA] & ~PGA_GAIN_MASK) | PGA_GAINL(left) | PGA_GAINR(right));
+        break;
+        
+        case AUDIO_GAIN_ADC:
+            uda1380_write_reg(REG_DEC_VOL, DEC_VOLL(left) | DEC_VOLR(right));
+        break;
+    }
 }
 
 
diff --git a/firmware/export/audio.h b/firmware/export/audio.h
index 67ed052..ab6f41c 100644
--- a/firmware/export/audio.h
+++ b/firmware/export/audio.h
@@ -33,6 +33,11 @@
 
 #define AUDIOERR_DISK_FULL 1
 
+#define AUDIO_GAIN_LINEIN   0
+#define AUDIO_GAIN_MIC      1
+#define AUDIO_GAIN_ADC      2   /* for UDA1380 */
+
+
 struct audio_debug
 {
         int audiobuflen;
@@ -79,6 +84,24 @@ int audio_get_file_pos(void);
 void audio_beep(int duration);
 void audio_init_playback(void);
 
+/* audio recording functions */
+void audio_init_recording(void);
+void audio_close_recording(void);
+void audio_record(const char *filename);
+void audio_stop_recording(void);
+void audio_pause_recording(void);
+void audio_resume_recording(void);
+void audio_new_file(const char *filename);
+void audio_set_recording_options(int frequency, int quality,
+                                int source, int channel_mode,
+                                bool editable, int prerecord_time,
+                                bool monitor);
+void audio_set_recording_gain(int left, int right, int type);
+unsigned long audio_recorded_time(void);
+unsigned long audio_num_recorded_bytes(void);
+
+
+
 /***********************************************************************/
 /* audio event handling */
 
diff --git a/firmware/export/config-h120.h b/firmware/export/config-h120.h
index 72bc770..653dbc0 100644
--- a/firmware/export/config-h120.h
+++ b/firmware/export/config-h120.h
@@ -7,7 +7,7 @@
 #define MODEL_NUMBER 0
 
 /* define this if you have recording possibility */
-/*#define HAVE_RECORDING 1*/
+#define HAVE_RECORDING 1
 
 /* define this if you have a bitmap LCD display */
 #define HAVE_LCD_BITMAP 1
diff --git a/firmware/export/mpeg.h b/firmware/export/mpeg.h
index a7c9cac..d62ac14 100644
--- a/firmware/export/mpeg.h
+++ b/firmware/export/mpeg.h
@@ -44,20 +44,11 @@
 #define MPEG_RESERVED_HEADER_SPACE (4096 + 576)
 
 #if (CONFIG_CODEC == MAS3587F) || defined(SIMULATOR)
-void mpeg_init_recording(void);
-void mpeg_record(const char *filename);
-void mpeg_new_file(const char *filename);
-void mpeg_set_recording_options(int frequency, int quality,
-                                int source, int channel_mode,
-                                bool editable, int prerecord_time);
-void mpeg_set_recording_gain(int left, int right, bool use_mic);
+
 #if CONFIG_TUNER & S1A0903X01
 int mpeg_get_mas_pllfreq(void);
 #endif
-unsigned long mpeg_recorded_time(void);
-unsigned long mpeg_num_recorded_bytes(void);
-void mpeg_pause_recording(void);
-void mpeg_resume_recording(void);
+
 #endif
 unsigned long mpeg_get_last_header(void);
 
diff --git a/firmware/export/pcm_record.h b/firmware/export/pcm_record.h
index af73108..304a67f 100644
--- a/firmware/export/pcm_record.h
+++ b/firmware/export/pcm_record.h
@@ -17,37 +17,13 @@
  *
  ****************************************************************************/
 
-/*
- * Function names are taken from apps/recorder/recording.c to
- * make the integration later easier..
- * 
- */
-
 #ifndef PCM_RECORD_H
 #define PCM_RECORD_H
 
-unsigned long pcm_status(void);
-
-void pcm_init_recording(void);
-
-void pcm_open_recording(void);
-void pcm_close_recording(void);
-
-
-void pcm_set_recording_options(int source, bool enable_waveform);
-void pcm_set_recording_gain(int gain, int volume);
-                                
-void pcm_record(const char *filename);
-void pcm_stop_recording(void);
-
-//void pcm_new_file(const char *filename);
-
-
-unsigned long pcm_recorded_time(void);
-unsigned long pcm_num_recorded_bytes(void);
-void pcm_pause_recording(void);
-void pcm_resume_recording(void);
+unsigned long pcm_rec_status(void);
+void pcm_rec_init(void);
+void pcm_rec_mux(int source);
 
-void pcmrec_set_mux(int source);
+/* audio.h contains audio recording functions */
 
 #endif
diff --git a/firmware/export/sound.h b/firmware/export/sound.h
index 9907462..2c00206 100644
--- a/firmware/export/sound.h
+++ b/firmware/export/sound.h
@@ -36,11 +36,15 @@ enum {
     SOUND_MDB_ENABLE,
     SOUND_SUPERBASS,
 #endif
-#if CONFIG_CODEC == MAS3587F
+#if CONFIG_CODEC == MAS3587F || defined(HAVE_UDA1380)
     SOUND_LEFT_GAIN,
     SOUND_RIGHT_GAIN,
     SOUND_MIC_GAIN,
 #endif
+#if defined(HAVE_UDA1380)
+    SOUND_ADC_LEFT_GAIN,
+    SOUND_ADC_RIGHT_GAIN,
+#endif
 };
 
 enum {
diff --git a/firmware/export/uda1380.h b/firmware/export/uda1380.h
index 3bef543..90a6d44 100644
--- a/firmware/export/uda1380.h
+++ b/firmware/export/uda1380.h
@@ -32,7 +32,7 @@ extern void uda1380_set_nsorder(int order);
 
 extern void uda1380_enable_recording(bool source_mic);
 extern void uda1380_disable_recording(void);
-extern void uda1380_set_recvol(int mic_gain, int linein_gain, int adc_volume);
+extern void uda1380_set_recvol(int left, int right, int type);
 extern void uda1380_set_monitor(int enable);
 
 #define UDA1380_ADDR        0x30
diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index 022a321..caeb3b9 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -2115,7 +2115,7 @@ void audio_init_playback(void)
 /****************************************************************************
  * Recording functions
  ***************************************************************************/
-void mpeg_init_recording(void)
+void audio_init_recording(void)
 {
     init_recording_done = false;
     queue_post(&mpeg_queue, MPEG_INIT_RECORDING, NULL);
@@ -2224,7 +2224,7 @@ static void init_recording(void)
        call mpeg_set_recording_options(). */
 }
 
-void mpeg_record(const char *filename)
+void audio_record(const char *filename)
 {
     mpeg_errno = 0;
     
@@ -2234,12 +2234,12 @@ void mpeg_record(const char *filename)
     queue_post(&mpeg_queue, MPEG_RECORD, NULL);
 }
 
-void mpeg_pause_recording(void)
+void audio_pause_recording(void)
 {
     queue_post(&mpeg_queue, MPEG_PAUSE_RECORDING, NULL);
 }
 
-void mpeg_resume_recording(void)
+void audio_resume_recording(void)
 {
     queue_post(&mpeg_queue, MPEG_RESUME_RECORDING, NULL);
 }
@@ -2435,9 +2435,10 @@ static void stop_recording(void)
     resume_recording();
 }
 
-void mpeg_set_recording_options(int frequency, int quality,
+void audio_set_recording_options(int frequency, int quality,
                                 int source, int channel_mode,
-                                bool editable, int prerecord_time)
+                                bool editable, int prerecord_time,
+                                bool monitor)
 {
     bool is_mpeg1;
 
@@ -2461,7 +2462,7 @@ void mpeg_set_recording_options(int frequency, int quality,
 
     DEBUGF("mas_writemem(MAS_BANK_D0, SOFT_MUTE, %x)\n", shadow_soft_mute);
 
-    shadow_io_control_main = ((1 << 10) | /* Monitoring ON */
+    shadow_io_control_main = ((monitor?(1 << 10):0) | /* Monitoring ON */
         ((source < 2)?1:2) << 8) | /* Input select */
         (1 << 5) | /* SDO strobe invert */
         ((is_mpeg1?0:1) << 3) |
@@ -2497,13 +2498,13 @@ void mpeg_set_recording_options(int frequency, int quality,
 }
 
 /* If use_mic is true, the left gain is used */
-void mpeg_set_recording_gain(int left, int right, bool use_mic)
+void audio_set_recording_gain(int left, int right, int type)
 {
     /* Enable both left and right A/D */
     shadow_codec_reg0 = (left << 12) |
                         (right << 8) |
                         (left << 4) |
-                        (use_mic?0x0008:0) | /* Connect left A/D to mic */
+                        (type==AUDIO_GAIN_MIC?0x0008:0) | /* Connect left A/D to mic */
                         0x0007;
     mas_codec_writereg(0x0, shadow_codec_reg0);
 }
@@ -2539,7 +2540,7 @@ void audio_beep(int duration)
     while (current_tick - starttick < duration);
 }
 
-void mpeg_new_file(const char *filename)
+void audio_new_file(const char *filename)
 {
     mpeg_errno = 0;
 
@@ -2549,7 +2550,7 @@ void mpeg_new_file(const char *filename)
     queue_post(&mpeg_queue, MPEG_NEW_FILE, NULL);
 }
 
-unsigned long mpeg_recorded_time(void)
+unsigned long audio_recorded_time(void)
 {
     if(is_prerecording)
         return prerecord_count * HZ;
@@ -2565,7 +2566,7 @@ unsigned long mpeg_recorded_time(void)
     return 0;
 }
 
-unsigned long mpeg_num_recorded_bytes(void)
+unsigned long audio_num_recorded_bytes(void)
 {
     int num_bytes;
     int index;
@@ -2599,7 +2600,7 @@ void audio_init_playback(void)
 {
     /* a dummy */
 }
-unsigned long mpeg_recorded_time(void)
+unsigned long audio_recorded_time(void)
 {
     /* a dummy */
     return 0;
@@ -2609,42 +2610,42 @@ void audio_beep(int duration)
     /* a dummy */
     (void)duration;
 }
-void mpeg_pause_recording(void)
+void audio_pause_recording(void)
 {
     /* a dummy */
 }
-void mpeg_resume_recording(void)
+void audio_resume_recording(void)
 {
     /* a dummy */
 }
-unsigned long mpeg_num_recorded_bytes(void)
+unsigned long audio_num_recorded_bytes(void)
 {
     /* a dummy */
     return 0;
 }
-void mpeg_record(const char *filename)
+void audio_record(const char *filename)
 {
     /* a dummy */
     (void)filename;
 }
-void mpeg_new_file(const char *filename)
+void audio_new_file(const char *filename)
 {
     /* a dummy */
     (void)filename;
 }
 
-void mpeg_set_recording_gain(int left, int right, bool use_mic)
+void audio_set_recording_gain(int left, int right, int type)
 {
     /* a dummy */
     (void)left;
     (void)right;
-    (void)use_mic;
+    (void)type;
 }
-void mpeg_init_recording(void)
+void audio_init_recording(void)
 {
     /* a dummy */
 }
-void mpeg_set_recording_options(int frequency, int quality,
+void audio_set_recording_options(int frequency, int quality,
                                 int source, int channel_mode,
                                 bool editable, int prerecord_time)
 {
@@ -2710,6 +2711,12 @@ void audio_stop(void)
 #endif /* SIMULATOR */
 }
 
+/* dummy */
+void audio_stop_recording(void)
+{
+    audio_stop(); 
+}
+
 void audio_pause(void)
 {
 #ifndef SIMULATOR
diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 8b46a09..b167d6a 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -30,11 +30,7 @@
 
 #include "cpu.h"
 #include "i2c.h"
-#if defined(HAVE_UDA1380)
 #include "uda1380.h"
-#elif defined(HAVE_TLV320)
-#include "tlv320.h"
-#endif
 #include "system.h"
 #include "usb.h"
 
@@ -56,47 +52,56 @@
 static volatile bool is_recording;              /* We are recording */
 static volatile bool is_stopping;               /* Are we going to stop */
 static volatile bool is_paused;                 /* We have paused   */
+static volatile bool is_error;                  /* An error has occured */
 
-static volatile int num_rec_bytes;
+static volatile unsigned long num_rec_bytes;    /* Num bytes recorded */
+static volatile unsigned long num_file_bytes;   /* Num bytes written to current file */
 static volatile int int_count;                  /* Number of DMA completed interrupts */
 static volatile int error_count;                /* Number of DMA errors */
 
 static unsigned long record_start_time;         /* Value of current_tick when recording was started */
 static unsigned long pause_start_time;          /* Value of current_tick when pause was started */
 
-static int rec_gain, rec_volume;
 static bool show_waveform;
-static int init_done = 0;
+
 static int wav_file;
 static char recording_filename[MAX_PATH];
 
+static bool init_done, close_done, record_done, stop_done, pause_done, resume_done, new_file_done;
+
 /***************************************************************************/
 
 /*
-   Some estimates:
-    44100 HZ * 4 = 176400 bytes/s
-    Refresh LCD 10 HZ = 176400 / 10 = 17640 bytes ~=~ 1024*16 bytes
+  Some estimates:
+    Normal recording rate: 44100 HZ * 4     = 176 KB/s
+    Total buffer size:     32 MB / 176 KB/s = 181s before writing to disk
+    CHUNK_SIZE:            65536            
+    Chunks/s:              176 KB / 65536   =  ~3 chunks / s
+    
+    WRITE_THRESHOLD:       30
+    - Should gives us < 10s to start writing to disk before we run out 
+      of buffer space..   
 
-    If NUM_BUFFERS is 80 we can hold ~8 sec of data in memory
-    ALL_BUFFER_SIZE will be 1024*16 * 80 = 1310720 bytes
 */
 
-#define NUM_BUFFERS       80
-#define EACH_BUFFER_SIZE  (1024*16)     /* Multiple of 4. Use small value to get responsive waveform */
-#define ALL_BUFFERS_SIZE  (NUM_BUFFERS * EACH_BUFFER_SIZE)
+#define CHUNK_SIZE                 65536  /* Multiple of 4 */
+#define WRITE_THRESHOLD            30     /* Write when this many chunks (or less) until buffer full */
+
+#define GET_CHUNK(x)               (short*)(&rec_buffer[CHUNK_SIZE*(x)])
 
-#define WRITE_THRESHOLD   40            /* Minimum number of buffers before write to file */
+static unsigned char *rec_buffer;  /* Circular recording buffer */
+static int num_chunks;             /* Number of chunks available in rec_buffer */
 
-static unsigned char *rec_buffers[NUM_BUFFERS];
 
 /* 
- Overrun occures when DMA needs to write a new buffer and write_index == read_index 
- Solution to this is to optimize pcmrec_callback, use cpu_boost somewhere or increase 
- the total buffer size (or WRITE_THRESHOLD)
+ Overrun occures when DMA needs to write a new chunk and write_index == read_index 
+ Solution to this is to optimize pcmrec_callback, use cpu_boost or save to disk
+ more often.
 */
 
-static int write_index;       /* Which buffer the DMA is currently recording */
-static int read_index;        /* The oldest buffer that the pcmrec_callback has not read */
+static volatile int write_index;       /* Current chunk the DMA is writing to */
+static volatile int read_index;        /* Oldest chunk that is not written to disk */
+static volatile int read2_index;       /* Latest chunk that has not been converted to little endian */
 
 /***************************************************************************/
 
@@ -105,10 +110,13 @@ static long                pcmrec_stack[(DEFAULT_STACK_SIZE + 0x1000)/sizeof(lon
 static const char          pcmrec_thread_name[] = "pcmrec";
 
 static void pcmrec_thread(void);
+static void pcmrec_dma_start(void);
+static void pcmrec_dma_stop(void);
 
 /* Event IDs */
-#define PCMREC_OPEN         1     /* Enable recording */
-#define PCMREC_CLOSE        2     /* Disable recording */
+#define PCMREC_INIT         1     /* Enable recording */
+#define PCMREC_CLOSE        2   
+
 #define PCMREC_START        3     /* Start a new recording */
 #define PCMREC_STOP         4     /* Stop the current recording */
 #define PCMREC_PAUSE        10
@@ -122,71 +130,58 @@ static void pcmrec_thread(void);
 /* Functions that are not executing in the pcmrec_thread first     */
 /*******************************************************************/
 
-void pcm_init_recording(void)
+/* Creates pcmrec_thread */
+void pcm_rec_init(void)
 {
-    int_count = 0;
-    error_count = 0;
-
-    show_waveform = 0;
-    is_recording = 0;
-    is_stopping = 0;
-    num_rec_bytes = 0;
-    wav_file = -1;  
-    read_index = 0;
-    write_index = 0;
-
     queue_init(&pcmrec_queue);
     create_thread(pcmrec_thread, pcmrec_stack, sizeof(pcmrec_stack), pcmrec_thread_name);
 }
 
-void pcm_open_recording(void)
-{
-    init_done = 0;
-
-    logf("pcm_open_rec");
-
-    queue_post(&pcmrec_queue, PCMREC_OPEN, 0);
 
-    while (init_done)
-    {
-        sleep(HZ >> 8);
-    }
-
-    logf("pcm_open_rec done");
+/* Initializes recording:
+ * - Set up the UDA1380 for recording 
+ * - Prepare for DMA transfers
+ */
+ 
+void audio_init_recording(void)
+{
+    init_done = false;
+    queue_post(&pcmrec_queue, PCMREC_INIT, 0);
+    
+    while(!init_done)
+        sleep_thread();
+    wake_up_thread();    
 }
 
-void pcm_close_recording(void)
+void audio_close_recording(void)
 {
-    /* todo: synchronize completion with pcmrec thread */
+    close_done = false;
     queue_post(&pcmrec_queue, PCMREC_CLOSE, 0);
+    
+    while(!close_done)
+        sleep_thread();
+    wake_up_thread();    
 }
 
-
-
-unsigned long pcm_status(void)
+unsigned long pcm_rec_status(void)
 {
     unsigned long ret = 0;
 
     if (is_recording)
         ret |= AUDIO_STATUS_RECORD;
+    if (is_paused)
+        ret |= AUDIO_STATUS_PAUSE;
+    if (is_error)
+        ret |= AUDIO_STATUS_ERROR;
 
     return ret;
 }
 
-
-
-void pcm_new_file(const char *filename)
-{
-    /* todo */
-    filename = filename;
-
-}
-
-unsigned long pcm_recorded_time(void)
+unsigned long audio_recorded_time(void)
 {
     if (is_recording)
     {
-        if(is_paused)
+        if (is_paused)
             return pause_start_time - record_start_time;
         else
             return current_tick - record_start_time;
@@ -195,92 +190,168 @@ unsigned long pcm_recorded_time(void)
     return 0;
 }
 
-unsigned long pcm_num_recorded_bytes(void)
+unsigned long audio_num_recorded_bytes(void)
 {
-
     if (is_recording)
-    {
         return num_rec_bytes;
-    }
-    else
-        return 0;
-}
-
-void pcm_pause_recording(void)
-{
-    /* todo */
-}
 
-void pcm_resume_recording(void)
-{
-    /* todo */
+    return 0;
 }
 
 
 /**
  * Sets the audio source 
  * 
- * Side effect: This functions starts feeding the CPU with audio data over the I2S bus
+ * This functions starts feeding the CPU with audio data over the I2S bus
  *
- * @param source 0=line-in, 1=mic 
+ * @param source 0=mic, 1=line-in, (todo: 2=spdif)
  */
-void pcm_set_recording_options(int source, bool enable_waveform)
+void audio_set_recording_options(int frequency, int quality,
+                                int source, int channel_mode,
+                                bool editable, int prerecord_time,
+                                bool monitor)
 {
-#if defined(HAVE_UDA1380)
-    uda1380_enable_recording(source);
-#elif defined(HAVE_TLV320)
-    tlv320_enable_recording(source);
-#endif
-    show_waveform = enable_waveform;
+    /* TODO: */
+    (void)frequency;
+    (void)quality;
+    (void)channel_mode;
+    (void)editable;
+    (void)prerecord_time;
+    
+    //logf("pcmrec: src=%d", source);
+
+    switch (source)
+    {
+        /* mic */
+        case 0: 
+            uda1380_enable_recording(true); 
+        break;
+
+        /* line-in */
+        case 1: 
+            uda1380_enable_recording(false); 
+        break;
+    }    
+    
+    uda1380_set_monitor(monitor);
 }
 
 
 /**
+ * Note that microphone is mono, only left value is used 
+ * See uda1380_set_recvol() for exact ranges.
  *
- * @param gain   line-in and microphone gain (0-15)
- * @param volume ADC volume (0-255)
+ * @param type   0=line-in (radio), 1=mic, 2=ADC
+ * 
  */
-void pcm_set_recording_gain(int gain, int volume)
+void audio_set_recording_gain(int left, int right, int type)
 {
-    rec_gain = gain;
-    rec_volume = volume;
-
-    queue_post(&pcmrec_queue, PCMREC_SET_GAIN, 0);
+    //logf("rcmrec: t=%d l=%d r=%d", type, left, right);
+    uda1380_set_recvol(left, right, type);
 }
 
+
 /**
  * Start recording
  * 
- * Use pcm_set_recording_options before calling record
+ * Use audio_set_recording_options first to select recording options
  */
-void pcm_record(const char *filename)
+void audio_record(const char *filename)
 {
+    if (is_recording)
+    {
+        logf("record while recording");
+        return;
+    }
+    
     strncpy(recording_filename, filename, MAX_PATH - 1);
     recording_filename[MAX_PATH - 1] = 0;
 
+    record_done = false;
     queue_post(&pcmrec_queue, PCMREC_START, 0);
+    
+    while(!record_done)
+        sleep_thread();
+    wake_up_thread();    
+}
+
+
+void audio_new_file(const char *filename)
+{
+    logf("pcm_new_file");
+        
+    new_file_done = false;
+    
+    strncpy(recording_filename, filename, MAX_PATH - 1);
+    recording_filename[MAX_PATH - 1] = 0;
+    
+    queue_post(&pcmrec_queue, PCMREC_NEW_FILE, 0);
+    
+    while(!new_file_done)
+        sleep_thread();
+    wake_up_thread();    
+    
+    logf("pcm_new_file done");
 }
 
 /**
  * 
  */
-void pcm_stop_recording(void)
+void audio_stop_recording(void)
 {
-    if (is_recording)
-    is_stopping = 1;
+    if (!is_recording)
+        return;
 
+    logf("pcm_stop");
+    
+    stop_done = false;
     queue_post(&pcmrec_queue, PCMREC_STOP, 0);
 
-    logf("pcm_stop_recording");
+    while(!stop_done)
+        sleep_thread();
+    wake_up_thread();    
+
+    logf("pcm_stop done");
+}
 
-    while (is_stopping)
+void audio_pause_recording(void)
+{
+    if (!is_recording)
+    {
+        logf("pause when not recording");
+        return;
+    }
+    if (is_paused)
     {
-        sleep(HZ >> 4);
+        logf("pause when paused");
+        return;
     }
+    
+    pause_done = false;
+    queue_post(&pcmrec_queue, PCMREC_PAUSE, 0);
 
-    logf("pcm_stop_recording done");
+    while(!pause_done)
+        sleep_thread();
+    wake_up_thread();    
 }
 
+void audio_resume_recording(void)
+{
+    if (!is_paused)
+    {
+        logf("resume when not paused");
+        return;
+    }
+    
+    resume_done = false;
+    queue_post(&pcmrec_queue, PCMREC_RESUME, 0);
+
+    while(!resume_done)
+        sleep_thread();
+    wake_up_thread();    
+}
+
+
 
 /***************************************************************************/
 /* Functions that executes in the context of pcmrec_thread                 */
@@ -288,100 +359,116 @@ void pcm_stop_recording(void)
 
 
 /**
- * Process the buffers using read_index and write_index.
+ * Process the chunks using read_index and write_index.
  *
- * DMA1 handler posts to pcmrec_queue so that pcmrec_thread calls this 
- * function. Also pcmrec_stop will call this function when the recording 
- * is stopping, and that call will have flush = true.
+ * DMA1 handler posts to pcmrec_queue and pcmrec_thread calls this 
+ * function. 
+ *
+ * Other function can also call this function with flush = true when 
+ * they want to save everything recorded sofar to disk.
  *
  */
 
-void pcmrec_callback(bool flush) __attribute__ ((section (".icode")));
-void pcmrec_callback(bool flush)
+static void pcmrec_callback(bool flush) __attribute__ ((section (".icode")));
+static void pcmrec_callback(bool flush)
 {
-    int num_ready;
+    int num_ready, num_free, num_new;
+    unsigned short *ptr;    
+    int i, j, w;
+    
+    w = write_index;
+    
+    num_new = w - read2_index;
+    if (num_new < 0)
+        num_new += num_chunks;
+        
+    for (i=0; i<num_new; i++)
+    {
+        /* Convert the samples to little-endian so we only have to write later
+           (Less hd-spinning time)
+        */
+        ptr = GET_CHUNK(read2_index);
+        for (j=0; j<CHUNK_SIZE/2; j++)
+        {
+            /* TODO: might be a good place to add the peak-meter.. */
+            
+            *ptr = htole16(*ptr);
+            ptr++;
+        }
+        
+        num_rec_bytes += CHUNK_SIZE;
+        
+        read2_index++;
+        if (read2_index >= num_chunks)
+            read2_index = 0;
+    }
 
-    num_ready = write_index - read_index;
+    num_ready = w - read_index;
     if (num_ready < 0)
-        num_ready += NUM_BUFFERS;
-
-    /* we can consume up to num_ready buffers */
+        num_ready += num_chunks;
 
-#ifdef HAVE_REMOTE_LCD
-    /* Draw waveform on remote LCD */
-    if (show_waveform && num_ready>0)
+    if (num_ready >= num_chunks)
     {
-        short *buf; 
-        long x,y,offset;
-        int show_index;
-
-        /* Just display the last buffer (most recent one) */  
-        show_index = read_index + num_ready - 1;
-        buf = (short*)rec_buffers[show_index]; 
-
-        lcd_remote_clear_display();    
-
-        offset = 0;
-        for (x=0; x<LCD_REMOTE_WIDTH-1; x++)
-        {
-            y = buf[offset] * (LCD_REMOTE_HEIGHT / 2)  *5;       /* The 5 is just 'zooming' */
-            y = y >> 15;                /* Divide with SHRT_MAX */
-            y += LCD_REMOTE_HEIGHT/2;
+        logf("num_ready overflow?");
+        num_ready = num_chunks-1;
+    }
 
-            if (y < 2) y=2;
-            if (y >= LCD_REMOTE_HEIGHT-2) y = LCD_REMOTE_HEIGHT-2;
+    num_free = num_chunks - num_ready;
 
-            lcd_remote_drawpixel(x,y);
+    if (wav_file == -1 || (!is_recording && !flush))
+    {
+        /* In this case we should consume the buffers to avoid */
+        /* getting 'dma1 overrun' */
 
-            offset += (EACH_BUFFER_SIZE/2) / LCD_REMOTE_WIDTH;  
-        }
+        read_index+=num_ready;
+        if (read_index >= num_chunks)
+            read_index -= num_chunks;
 
-        lcd_remote_update();
+        return;
     }
 
-#endif
-
-    /* Note: This might be a good place to call the 'codec' later */
-
-    /* Check that we have the minimum amount of data to save or */
-    /* that if it's closing time which mean we have to save..   */
-    if (wav_file != -1)
+    if (num_free <= WRITE_THRESHOLD || flush)
     {
-        if (num_ready >= WRITE_THRESHOLD || flush)
+        logf("writing: %d (%d)", num_ready, flush);
+        
+        for (i=0; i<num_ready; i++)
         {
-            unsigned short *ptr = (unsigned short*)rec_buffers[read_index];
-            int i;
-
-            for (i=0; i<EACH_BUFFER_SIZE * num_ready / 2; i++)
+            if (write(wav_file, GET_CHUNK(read_index), CHUNK_SIZE) != CHUNK_SIZE)
             {
-                *ptr = htole16(*ptr);
-                ptr++;
+                logf("pcmrec: write err");
+                pcmrec_dma_stop();
+                return;
             }
-
-            write(wav_file, rec_buffers[read_index], EACH_BUFFER_SIZE * num_ready);
-
-            read_index+=num_ready;
-            if (read_index >= NUM_BUFFERS)
-                read_index -= NUM_BUFFERS;    
+            
+            num_file_bytes += CHUNK_SIZE;
+            
+            read_index++;
+            if (read_index >= num_chunks)
+                read_index = 0;
         }
-
-    } else
-    {
-        /* In this case we must consume the buffers otherwise we will */
-        /* get 'dma1 overrun' pretty fast */
-
-        read_index+=num_ready;
-        if (read_index >= NUM_BUFFERS)
-            read_index -= NUM_BUFFERS;
+        
+        logf("done");
     }
 }
 
+/* Abort dma transfer */
+static void pcmrec_dma_stop(void)
+{
+    DCR1 = 0; 
+    
+    is_error = true;
+    is_recording = false;
+    
+    error_count++;
+    
+    logf("dma1 stopped");
+}
 
-void pcmrec_dma_start(void)
+static void pcmrec_dma_start(void)
 {
-    DAR1 = (unsigned long)rec_buffers[write_index++];  /* Destination address */
-    SAR1 = (unsigned long)&PDIR2;                      /* Source address */
-    BCR1 = EACH_BUFFER_SIZE;                           /* Bytes to transfer */
+    DAR1 = (unsigned long)GET_CHUNK(write_index);    /* Destination address */
+    SAR1 = (unsigned long)&PDIR2;                    /* Source address */
+    BCR1 = CHUNK_SIZE;                               /* Bytes to transfer */
 
     /* Start the DMA transfer.. */
     DCR1 = DMA_INT | DMA_EEXT | DMA_CS | DMA_DINC | DMA_START;
@@ -404,36 +491,37 @@ void DMA1(void)
     {
         DCR1 = 0;   /* Stop DMA transfer */
         error_count++;
-        is_recording = 0;
+        is_recording = false;
 
         logf("dma1 err 0x%x", res);
+        
+        /* Flush recorded data to disk and stop recording */
+        queue_post(&pcmrec_queue, PCMREC_STOP, NULL);
 
     } else 
     {
-        num_rec_bytes += EACH_BUFFER_SIZE;
-
         write_index++;
-        if (write_index >= NUM_BUFFERS)
+        if (write_index >= num_chunks)
             write_index = 0;
 
         if (is_stopping || !is_recording)
         {
             DCR1 = 0;   /* Stop DMA transfer */
-            is_recording = 0;
+            is_stopping = false;
 
             logf("dma1 stopping");
 
         } else if (write_index == read_index)
         {
             DCR1 = 0;   /* Stop DMA transfer */
-            is_recording = 0;
+            is_recording = false;
 
             logf("dma1 overrun");
 
         } else
         {
-            DAR1 = (unsigned long)rec_buffers[write_index];  /* Destination address */
-            BCR1 = EACH_BUFFER_SIZE;
+            DAR1 = (unsigned long)GET_CHUNK(write_index);  /* Destination address */
+            BCR1 = CHUNK_SIZE;
 
             queue_post(&pcmrec_queue, PCMREC_GOT_DATA, NULL);
 
@@ -443,6 +531,8 @@ void DMA1(void)
     IPR |= (1<<15); /* Clear pending interrupt request */
 }
 
+/* Create WAVE file and write header */
+/* Sets returns 0 if success, -1 on failure */
 static int start_wave(void)
 {
     unsigned char header[44] = 
@@ -456,7 +546,8 @@ static int start_wave(void)
     if (wav_file < 0)
     {
         wav_file = -1;
-        logf("create failed: %d", wav_file);
+        logf("rec: create failed: %d", wav_file);
+        is_error = true;
         return -1;
     }
 
@@ -464,8 +555,9 @@ static int start_wave(void)
     {
         close(wav_file);
         wav_file = -1;
-        logf("write failed");
-        return -2;
+        logf("rec: write failed");
+        is_error = true;
+        return -1;
     }
 
     return 0;
@@ -476,16 +568,19 @@ static void close_wave(void)
 {
     long l;
 
-    l = htole32(num_rec_bytes + 36);
-    lseek(wav_file, 4, SEEK_SET);
-    write(wav_file, &l, 4);
-
-    l = htole32(num_rec_bytes);
-    lseek(wav_file, 40, SEEK_SET);
-    write(wav_file, &l, 4);
-
-    close(wav_file);
-    wav_file = -1;
+    if (wav_file != -1)
+    {
+        l = htole32(num_file_bytes + 36);
+        lseek(wav_file, 4, SEEK_SET);
+        write(wav_file, &l, 4);
+    
+        l = htole32(num_file_bytes);
+        lseek(wav_file, 40, SEEK_SET);
+        write(wav_file, &l, 4);
+    
+        close(wav_file);
+        wav_file = -1;
+    }
 }
 
 static void pcmrec_start(void)
@@ -493,74 +588,206 @@ static void pcmrec_start(void)
     logf("pcmrec_start");
 
     if (is_recording) 
+    {
+        logf("already recording");
+        record_done = true;
         return; 
-
+    }
+    
     if (wav_file != -1)
         close(wav_file);
 
-    logf("rec: %s", recording_filename);
-
-    start_wave(); /* todo: send signal to pcm_record if we have failed */
-
+    if (start_wave() != 0)
+    {
+        /* failed to create the file */
+        record_done = true;
+        return;
+    }
+ 
     num_rec_bytes = 0;
-
-    /* Store the current time */
+    num_file_bytes = 0;
     record_start_time = current_tick;
-
+    pause_start_time = 0;
+    
     write_index = 0;
     read_index = 0;
+    read2_index = 0;
 
-    is_stopping = 0;
-    is_paused = 0;
-    is_recording = 1;
-
+    is_stopping = false;
+    is_paused = false;
+    is_recording = true;
+    
     pcmrec_dma_start();
 
+    record_done = true;
 }
 
 static void pcmrec_stop(void)
 {
-    /* wait for recording to finish */
+    logf("pcmrec_stop");
+   
+    if (!is_recording)
+    {
+        stop_done = true;
+        return;
+    }
+   
+    if (!is_paused)
+    { 
+        /* wait for recording to finish */
+        is_stopping = true;
+        
+        while (is_stopping && is_recording)
+            sleep_thread();
+        wake_up_thread();    
+        
+        is_stopping = false;
+    }
+    
+    is_recording = false;
+    
+    /* Flush buffers to file */
+    pcmrec_callback(true);
 
-    /* todo: Abort current DMA transfer using DCR1.. */
+    close_wave();
 
-    logf("pcmrec_stop");
+    stop_done = true;
+    
+    logf("pcmrec_stop done");
+}
 
-    while (is_recording)
+static void pcmrec_new_file(void)
+{
+    logf("pcmrec_new_file");
+    
+    if (!is_recording)
     {
-        sleep(HZ >> 4);
+        logf("not recording");
+        new_file_done = true;
+        return;    
     }
+    
+    /* Since pcmrec_callback() blocks until the data has been written,
+       here is a good approximation when recording to the new file starts 
+    */
+    record_start_time = current_tick;
+    num_rec_bytes = 0;
+    
+    if (is_paused)
+        pause_start_time = record_start_time;
+    
+    /* Flush what we got in buffers to file */
+    pcmrec_callback(true);
+    
+    close_wave();
 
-    logf("pcmrec_stop done");
+    num_file_bytes = 0;
+    
+    /* start the new file */    
+    if (start_wave() != 0)
+    {
+        logf("new_file failed");       
+        pcmrec_stop();
+    }   
 
-    /* Write unfinished buffers to file */
+    new_file_done = true;
+    logf("pcmrec_new_file done");
+}
+
+static void pcmrec_pause(void)
+{
+    logf("pcmrec_pause");
+
+    if (!is_recording)
+    {
+        logf("pause: not recording");
+        pause_done = true;
+        return;
+    }
+    
+    /* Abort DMA transfer and flush to file? */
+        
+    is_stopping = true;        
+    
+    while (is_stopping && is_recording)
+        sleep_thread();
+    wake_up_thread();        
+    
+    pause_start_time = current_tick;
+    is_paused = true;    
+    
+    /* Flush what we got in buffers to file */
     pcmrec_callback(true);
+        
+    pause_done = true;
+    
+    logf("pcmrec_pause done");
+}
 
-    close_wave();
 
-    is_stopping = 0;   
+static void pcmrec_resume(void)
+{
+    logf("pcmrec_resume");
+    
+    if (!is_paused)
+    {
+        logf("resume: not paused");
+        resume_done = true;
+        return;
+    }
+    
+    is_paused = false;
+    is_recording = true;
+    
+    /* Compensate for the time we have been paused */
+    if (pause_start_time)
+    {
+        record_start_time += current_tick - pause_start_time;
+        pause_start_time = 0;
+    }
+    
+    pcmrec_dma_start();
+    
+    resume_done = true;
+    
+    logf("pcmrec_resume done");
 }
 
-static void pcmrec_open(void)
+
+/**
+ * audio_init_recording calls this function using PCMREC_INIT
+ * 
+ */
+static void pcmrec_init(void)
 {
-    unsigned long buffer_start;
-    int i;
+    unsigned long buffer_size;
 
     show_waveform = 0;
-    is_recording = 0;
-    is_stopping = 0;
-    num_rec_bytes = 0;
     wav_file = -1;  
     read_index = 0;
+    read2_index = 0;
     write_index = 0;
-
-    buffer_start = (unsigned long)(&audiobuf[(audiobufend - audiobuf) - (ALL_BUFFERS_SIZE + 16)]);
-    buffer_start &= ~3;
-
-    for (i=0; i<NUM_BUFFERS; i++)
-    {
-        rec_buffers[i] = (unsigned char*)(buffer_start + EACH_BUFFER_SIZE * i);
-    }
+    
+    num_rec_bytes = 0;
+    num_file_bytes = 0;
+    record_start_time = 0;
+    pause_start_time = 0;
+    
+    is_recording = false;
+    is_stopping = false;
+    is_paused = false;
+    is_error = false;
+
+    rec_buffer = (unsigned char*)(((unsigned long)audiobuf) & ~3);
+    buffer_size = (long)audiobufend - (long)audiobuf - 16;
+    
+    //buffer_size = 1024*1024*5;
+    
+    logf("buf size: %d kb", buffer_size/1024);
+    
+    num_chunks = buffer_size / CHUNK_SIZE;
+
+    logf("num_chunks: %d", num_chunks);
 
     IIS1CONFIG = 0x800;             /* Stop any playback                              */
     AUDIOGLOB |= 0x180;             /* IIS1 fifo auto sync = on, PDIR2 auto sync = on */
@@ -578,16 +805,13 @@ static void pcmrec_open(void)
 
 static void pcmrec_close(void)
 {
-#if defined(HAVE_UDA1380)
     uda1380_disable_recording();
-#elif defined(HAVE_TLV320)
-    tlv320_disable_recording();
-#endif
 
     DMAROUTE = (DMAROUTE & 0xffff00ff);
     ICR7 = 0x00;     /* Disable interrupt */
     IMR |= (1<<15);  /* bit 15 is DMA1 */
 
+    close_done = true;
 }
 
 static void pcmrec_thread(void)
@@ -596,14 +820,17 @@ static void pcmrec_thread(void)
 
     logf("thread pcmrec start");
 
+    int_count = 0;
+    error_count = 0;
+    
     while (1)
     {
         queue_wait(&pcmrec_queue, &ev);
 
         switch (ev.id)
         {
-            case PCMREC_OPEN:
-                pcmrec_open();
+            case PCMREC_INIT: 
+                pcmrec_init();
                 break;
 
             case PCMREC_CLOSE:
@@ -619,25 +846,18 @@ static void pcmrec_thread(void)
                 break;
 
             case PCMREC_PAUSE:
-                /* todo */
+                pcmrec_pause();
                 break;
 
             case PCMREC_RESUME:
-                /* todo */
+                pcmrec_resume();
                 break;
 
             case PCMREC_NEW_FILE:
-                /* todo */
-                break;
-
-            case PCMREC_SET_GAIN:
-#if defined(HAVE_UDA1380)
-                uda1380_set_recvol(rec_gain, rec_gain, rec_volume);
-#elif defined(HAVE_TLV320)
-                /* ToDo */
-#endif
+                pcmrec_new_file();
                 break;
 
+            /* Notification by DMA interrupt */
             case PCMREC_GOT_DATA:
                 pcmrec_callback(false);
                 break;
@@ -655,7 +875,8 @@ static void pcmrec_thread(void)
     logf("thread pcmrec done");
 }
 
-void pcmrec_set_mux(int source)
+/* Select VINL & VINR source: 0=Line-in, 1=FM Radio */
+void pcm_rec_mux(int source)
 {
     if(source == 0)
         and_l(~0x00800000, &GPIO_OUT);  /* Line In */
diff --git a/firmware/sound.c b/firmware/sound.c
index 332cca0..9ab545f 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -84,6 +84,12 @@ static const struct sound_settings_info sound_settings_table[] = {
     [SOUND_LEFT_GAIN]     = {"dB", 1,  1,   0,  15,   8, NULL},
     [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,   0,  15,   8, NULL},
     [SOUND_MIC_GAIN]      = {"dB", 1,  1,   0,  15,   2, NULL},
+#elif defined(HAVE_UDA1380)
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,   0,   8,   8, NULL},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,   0,   8,   8, NULL},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,   0,  15,   2, NULL},
+    [SOUND_ADC_LEFT_GAIN] = {"dB", 1,  1,-128,  48,   0, NULL},
+    [SOUND_ADC_RIGHT_GAIN]= {"dB", 1,  1,-128,  48,   0, NULL},
 #endif
 };
 
@@ -668,6 +674,30 @@ int sound_val2phys(int setting, int value)
             break;
     }
     return result;
+#elif defined(HAVE_UDA1380)
+    int result = 0;
+    
+    switch(setting)
+    {
+        case SOUND_LEFT_GAIN:
+        case SOUND_RIGHT_GAIN:
+            result = value * 30;        /* (24/8) *10 */
+            break;
+
+        case SOUND_MIC_GAIN:
+            result = value * 20;        /* (30/15) *10 */
+            break;
+            
+        case SOUND_ADC_LEFT_GAIN:
+        case SOUND_ADC_RIGHT_GAIN:
+            result = value * 5;         /* (1/2) *10 */
+            break;
+
+       default:
+            result = value;
+            break;
+    }
+    return result;
 #else
     (void)setting;
     return value;