/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2003 Linus Nielsen Feltzing * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "config.h" #include #include #include "sprintf.h" #include "lcd.h" #include "mas.h" #include "settings.h" #include "button.h" #include "fmradio.h" #include "status.h" #include "kernel.h" #include "mpeg.h" #include "mp3_playback.h" #include "ctype.h" #include "file.h" #include "errno.h" #include "atoi.h" #include "string.h" #include "system.h" #include "radio.h" #include "menu.h" #include "misc.h" #include "keyboard.h" #include "screens.h" #include "peakmeter.h" #include "lang.h" #include "font.h" #include "sound_menu.h" #include "recording.h" #ifdef HAVE_FMRADIO #define MAX_FREQ (108000000) #define MIN_FREQ (87500000) #define PLL_FREQ_STEP 10000 #define FREQ_STEP 100000 static int curr_preset = -1; static int curr_freq = 99400000; static int pll_cnt; #define MAX_PRESETS 32 static bool presets_loaded = false; static struct fmstation presets[MAX_PRESETS]; static char default_filename[] = "/.rockbox/fm-presets-default.fmr"; int debug_fm_detection; void radio_load_presets(void); bool radio_preset_select(void); bool radio_menu(void); void radio_stop(void) { /* Mute the FM radio */ fmradio_set(1, 0x100003); } bool radio_hardware_present(void) { int val; fmradio_set(2, 0x140885); /* 5kHz, 7.2MHz crystal, test mode 1 */ val = fmradio_read(0); debug_fm_detection = val; if(val == 0x140885) return true; else return false; } void radio_set_frequency(int freq) { /* We add the standard Intermediate Frequency 10.7MHz before calculating ** the divisor ** The reference frequency is set to 50kHz, and the VCO output is prescaled ** by 2. */ pll_cnt = (freq + 10700000) / (PLL_FREQ_STEP/2) / 2; /* 0x100000 == FM mode ** 0x000002 == Microprocessor controlled Mute */ fmradio_set(1, 0x100002 | pll_cnt << 3); } static int find_preset(int freq) { int i; for(i = 0;i < MAX_PRESETS;i++) { if(freq == presets[i].frequency) return i; } return -1; } bool radio_screen(void) { char buf[MAX_PATH]; bool done = false; int button; int val; int freq; int i_freq; bool stereo = false; int search_dir = 0; int fw, fh; int last_stereo_status = false; int top_of_screen = 0; bool update_screen = true; int timeout = current_tick + HZ/10; bool screen_freeze = false; bool have_recorded = false; unsigned int seconds; unsigned int last_seconds = 0; int hours, minutes; bool keep_playing = false; lcd_clear_display(); lcd_setmargins(0, 8); status_draw(true); fmradio_set_status(FMRADIO_PLAYING); font_get(FONT_UI); lcd_getstringsize("M", &fw, &fh); /* Adjust for font size, trying to center the information vertically */ if(fh < 10) top_of_screen = 1; radio_load_presets(); mpeg_stop(); mpeg_init_recording(); mpeg_sound_channel_config(global_settings.channel_config); mpeg_sound_set(SOUND_BASS, global_settings.bass); mpeg_sound_set(SOUND_TREBLE, global_settings.treble); mpeg_sound_set(SOUND_BALANCE, global_settings.balance); mpeg_sound_set(SOUND_VOLUME, global_settings.volume); mpeg_sound_set(SOUND_LOUDNESS, global_settings.loudness); mpeg_sound_set(SOUND_SUPERBASS, global_settings.bass_boost); mpeg_sound_set(SOUND_AVC, global_settings.avc); status_set_playmode(STATUS_STOP); /* Yes, we use the D/A for monitoring */ peak_meter_playback(true); peak_meter_enabled = true; mpeg_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); mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN), mpeg_sound_default(SOUND_RIGHT_GAIN), false); fmradio_set(2, 0x140884); /* 5kHz, 7.2MHz crystal */ radio_set_frequency(curr_freq); curr_preset = find_preset(curr_freq); /* We use the A/D pseudo peak */ peak_meter_playback(false); peak_meter_enabled = true; buttonbar_set(str(LANG_BUTTONBAR_MENU), str(LANG_FM_BUTTONBAR_PRESETS), str(LANG_FM_BUTTONBAR_RECORD)); while(!done) { if(search_dir) { curr_freq += search_dir * FREQ_STEP; if(curr_freq < MIN_FREQ) curr_freq = MAX_FREQ; if(curr_freq > MAX_FREQ) curr_freq = MIN_FREQ; /* Tune in and delay */ radio_set_frequency(curr_freq); sleep(1); /* Start IF measurement */ fmradio_set(1, 0x100006 | pll_cnt << 3); sleep(1); /* Now check how close to the IF frequency we are */ val = fmradio_read(3); i_freq = (val & 0x7ffff) / 80; /* Stop searching if the IF frequency is close to 10.7MHz */ if(i_freq > 1065 && i_freq < 1075) { search_dir = 0; curr_preset = find_preset(curr_freq); } update_screen = true; } if(search_dir) button = button_get(false); else button = button_get_w_tmo(HZ / peak_meter_fps); switch(button) { case BUTTON_OFF: if(mpeg_status() == MPEG_STATUS_RECORD) { mpeg_stop(); status_set_playmode(STATUS_STOP); } else { radio_stop(); done = true; } update_screen = true; break; case BUTTON_F3: if(mpeg_status() == MPEG_STATUS_RECORD) { mpeg_new_file(rec_create_filename(buf)); update_screen = true; } else { have_recorded = true; mpeg_record(rec_create_filename(buf)); status_set_playmode(STATUS_RECORD); update_screen = true; } last_seconds = 0; break; case BUTTON_ON | BUTTON_REL: done = true; keep_playing = true; break; case BUTTON_LEFT: curr_freq -= FREQ_STEP; if(curr_freq < MIN_FREQ) curr_freq = MIN_FREQ; radio_set_frequency(curr_freq); curr_preset = find_preset(curr_freq); search_dir = 0; update_screen = true; break; case BUTTON_RIGHT: curr_freq += FREQ_STEP; if(curr_freq > MAX_FREQ) curr_freq = MAX_FREQ; radio_set_frequency(curr_freq); curr_preset = find_preset(curr_freq); search_dir = 0; update_screen = true; break; case BUTTON_LEFT | BUTTON_REPEAT: search_dir = -1; break; case BUTTON_RIGHT | BUTTON_REPEAT: search_dir = 1; break; case BUTTON_UP: case BUTTON_UP | BUTTON_REPEAT: global_settings.volume++; if(global_settings.volume > mpeg_sound_max(SOUND_VOLUME)) global_settings.volume = mpeg_sound_max(SOUND_VOLUME); mpeg_sound_set(SOUND_VOLUME, global_settings.volume); update_screen = true; settings_save(); break; case BUTTON_DOWN: case BUTTON_DOWN | BUTTON_REPEAT: global_settings.volume--; if(global_settings.volume < mpeg_sound_min(SOUND_VOLUME)) global_settings.volume = mpeg_sound_min(SOUND_VOLUME); mpeg_sound_set(SOUND_VOLUME, global_settings.volume); update_screen = true; settings_save(); break; case BUTTON_F1: radio_menu(); curr_preset = find_preset(curr_freq); lcd_clear_display(); lcd_setmargins(0, 8); buttonbar_set(str(LANG_BUTTONBAR_MENU), str(LANG_FM_BUTTONBAR_PRESETS), str(LANG_FM_BUTTONBAR_RECORD)); update_screen = true; break; case BUTTON_F2: radio_preset_select(); curr_preset = find_preset(curr_freq); lcd_clear_display(); lcd_setmargins(0, 8); buttonbar_set(str(LANG_BUTTONBAR_MENU), str(LANG_FM_BUTTONBAR_PRESETS), str(LANG_FM_BUTTONBAR_RECORD)); update_screen = true; break; case BUTTON_PLAY: if(!screen_freeze) { splash(0, true, "Screen frozen"); lcd_update(); screen_freeze = true; } else { update_screen = true; screen_freeze = false; } break; case SYS_USB_CONNECTED: /* Only accept USB connection when not recording */ if(mpeg_status() != MPEG_STATUS_RECORD) { usb_screen(); fmradio_set_status(0); screen_freeze = true; /* Cosmetic: makes sure the radio screen doesn't redraw */ done = true; } break; } peak_meter_peek(); if(!screen_freeze) { lcd_setmargins(0, 8); /* Only display the peak meter when not recording */ if(!mpeg_status()) { lcd_clearrect(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh); peak_meter_draw(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh); lcd_update_rect(0, 8 + fh*(top_of_screen + 3), LCD_WIDTH, fh); } if(TIME_AFTER(current_tick, timeout)) { timeout = current_tick + HZ; val = fmradio_read(3); stereo = (val & 0x100000)?true:false; if(stereo != last_stereo_status) { update_screen = true; last_stereo_status = stereo; } } seconds = mpeg_recorded_time() / HZ; if(update_screen || seconds > last_seconds) { last_seconds = seconds; lcd_setfont(FONT_UI); if(curr_preset >= 0) { lcd_puts_scroll(0, top_of_screen, presets[curr_preset].name); } else { lcd_clearrect(0, 8 + top_of_screen*fh, LCD_WIDTH, fh); } freq = curr_freq / 100000; snprintf(buf, 128, str(LANG_FM_STATION), freq / 10, freq % 10); lcd_puts(0, top_of_screen + 1, buf); snprintf(buf, 128, stereo?str(LANG_CHANNEL_STEREO): str(LANG_CHANNEL_MONO)); lcd_puts(0, top_of_screen + 2, buf); if(mpeg_status() == MPEG_STATUS_RECORD) { hours = seconds / 3600; minutes = (seconds - (hours * 3600)) / 60; snprintf(buf, 32, "%s %02d:%02d:%02d", str(LANG_RECORDING_TIME), hours, minutes, seconds%60); lcd_puts(0, top_of_screen + 3, buf); } else { snprintf(buf, 32, "%s %02d", str(LANG_RECORD_PRERECORD), seconds%60); lcd_puts(0, top_of_screen + 3, buf); } /* Only force the redraw if update_screen is true */ status_draw(update_screen); buttonbar_draw(); lcd_update(); update_screen = false; } } if(mpeg_status() & MPEG_STATUS_ERROR) { done = true; } } if(mpeg_status() & MPEG_STATUS_ERROR) { status_set_playmode(STATUS_STOP); splash(0, true, str(LANG_DISK_FULL)); status_draw(true); lcd_update(); mpeg_error_clear(); while(1) { button = button_get(true); if(button == (BUTTON_OFF | BUTTON_REL)) break; } } mpeg_init_playback(); mpeg_sound_channel_config(global_settings.channel_config); mpeg_sound_set(SOUND_BASS, global_settings.bass); mpeg_sound_set(SOUND_TREBLE, global_settings.treble); mpeg_sound_set(SOUND_BALANCE, global_settings.balance); mpeg_sound_set(SOUND_VOLUME, global_settings.volume); mpeg_sound_set(SOUND_LOUDNESS, global_settings.loudness); mpeg_sound_set(SOUND_SUPERBASS, global_settings.bass_boost); mpeg_sound_set(SOUND_AVC, global_settings.avc); fmradio_set_status(0); if(keep_playing) { /* Enable the Left and right A/D Converter */ mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN), mpeg_sound_default(SOUND_RIGHT_GAIN), false); mas_codec_writereg(6, 0x4000); } return have_recorded; } static bool parseline(char* line, char** freq, char** name) { char* ptr; while ( isspace(*line) ) line++; if ( *line == '#' ) return false; ptr = strchr(line, ':'); if ( !ptr ) return false; *freq = line; *ptr = 0; ptr++; while (isspace(*ptr)) ptr++; *name = ptr; return true; } void radio_save_presets(void) { int fd; int i; fd = creat(default_filename, O_WRONLY); if(fd >= 0) { for(i = 0;i < MAX_PRESETS;i++) { fprintf(fd, "%d:%s\n", presets[i].frequency, presets[i].name); } close(fd); } else { splash(HZ*2, true, str(LANG_FM_PRESET_SAVE_FAILED)); } } void radio_load_presets(void) { int fd; int rc; char buf[128]; char *freq; char *name; bool done = false; int i; if(!presets_loaded) { memset(presets, 0, sizeof(presets)); fd = open(default_filename, O_RDONLY); if(fd >= 0) { i = 0; while(!done && i < MAX_PRESETS) { rc = read_line(fd, buf, 128); if(rc > 0) { if(parseline(buf, &freq, &name)) { presets[i].frequency = atoi(freq); strncpy(presets[i].name, name, 27); presets[i].name[27] = 0; i++; } } else done = true; } close(fd); } } presets_loaded = true; } bool radio_preset_select(void) { struct menu_items menu[MAX_PRESETS]; int m, result; int i; bool reload_dir = false; int num_presets; if(presets_loaded) { num_presets = 0; for(i = 0;i < MAX_PRESETS;i++) { if(presets[i].frequency) { menu[num_presets].desc = presets[i].name; /* We use the function pointer entry for the preset entry index */ menu[num_presets++].function = (void *)i; } } if(num_presets) { /* DIY menu handling, since we want to exit after selection */ m = menu_init( menu, num_presets ); result = menu_show(m); menu_exit(m); if (result == MENU_SELECTED_EXIT) return false; else if (result == MENU_ATTACHED_USB) reload_dir = true; if (result >= 0) { i = (int)menu[result].function; curr_freq = presets[i].frequency; radio_set_frequency(curr_freq); } } else { splash(HZ*2, true, str(LANG_FM_NO_PRESETS)); } } return reload_dir; } static bool radio_add_preset(void) { char buf[27]; int i = find_preset(0); if(i >= 0) { memset(buf, 0, 27); if (!kbd_input(buf, 27)) { buf[27] = 0; strcpy(presets[i].name, buf); presets[i].frequency = curr_freq; radio_save_presets(); } } else { splash(HZ*2, true, str(LANG_FM_NO_FREE_PRESETS)); } return true; } bool radio_delete_preset(void) { struct menu_items menu[MAX_PRESETS]; int m, result; int i; bool reload_dir = false; int num_presets; if(presets_loaded) { num_presets = 0; for(i = 0;i < MAX_PRESETS;i++) { if(presets[i].frequency) { menu[num_presets].desc = presets[i].name; /* We use the function pointer entry for the preset entry index */ menu[num_presets++].function = (void *)i; } } /* DIY menu handling, since we want to exit after selection */ m = menu_init( menu, num_presets ); result = menu_show(m); menu_exit(m); if (result == MENU_SELECTED_EXIT) return false; else if (result == MENU_ATTACHED_USB) reload_dir = true; if (result >= 0) { i = (int)menu[result].function; presets[i].frequency = 0; radio_save_presets(); } } return reload_dir; } static bool fm_recording_settings(void) { bool ret; ret = recording_menu(true); if(!ret) { mpeg_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); } return ret; } bool radio_menu(void) { struct menu_items radio_menu_items[] = { { str(LANG_FM_SAVE_PRESET), radio_add_preset }, { str(LANG_FM_DELETE_PRESET), radio_delete_preset }, { str(LANG_SOUND_SETTINGS), sound_menu }, { str(LANG_RECORDING_SETTINGS), fm_recording_settings } }; int m; bool result; m = menu_init( radio_menu_items, sizeof radio_menu_items / sizeof(struct menu_items) ); result = menu_run(m); menu_exit(m); return result; } #endif