/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2003 Lee Pilgrim * * 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 "plugin.h" #if defined(HAVE_LCD_BITMAP) PLUGIN_HEADER /* variable button definitions */ #if CONFIG_KEYPAD == RECORDER_PAD #define VUMETER_QUIT BUTTON_OFF #define VUMETER_HELP BUTTON_ON #define VUMETER_MENU BUTTON_F1 #define VUMETER_MENU_EXIT BUTTON_F1 #define VUMETER_MENU_EXIT2 BUTTON_OFF #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif CONFIG_KEYPAD == ONDIO_PAD #define VUMETER_QUIT BUTTON_OFF #define VUMETER_HELP_PRE BUTTON_MENU #define VUMETER_HELP (BUTTON_MENU | BUTTON_REL) #define VUMETER_MENU_PRE BUTTON_MENU #define VUMETER_MENU (BUTTON_MENU | BUTTON_REPEAT) #define VUMETER_MENU_EXIT BUTTON_MENU #define VUMETER_MENU_EXIT2 BUTTON_OFF #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \ (CONFIG_KEYPAD == IRIVER_H300_PAD) #define VUMETER_QUIT BUTTON_OFF #define VUMETER_HELP BUTTON_ON #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_OFF #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || \ (CONFIG_KEYPAD == IPOD_4G_PAD) #define VUMETER_QUIT BUTTON_MENU #define VUMETER_HELP BUTTON_PLAY #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_MENU #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_SCROLL_FWD #define VUMETER_DOWN BUTTON_SCROLL_BACK #elif (CONFIG_KEYPAD == GIGABEAT_PAD) #define VUMETER_QUIT BUTTON_POWER #define VUMETER_HELP BUTTON_A #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif CONFIG_KEYPAD == IAUDIO_X5_PAD #define VUMETER_QUIT BUTTON_POWER #define VUMETER_HELP BUTTON_PLAY #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_LEFT BUTTON_LEFT #define VUMETER_RIGHT BUTTON_RIGHT #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #endif const struct plugin_api* rb; #if SIMULATOR && (CONFIG_CODEC != SWCODEC) #define mas_codec_readreg(x) rand()%MAX_PEAK #endif /* Defines x positions on a logarithmic (dBfs) scale. */ const unsigned char analog_db_scale[] = {0,0,10,15,19,22,25,27,29,31,32,33,35,36,37,38,39,39,40,41,42,42,43,44,44,45,45,46, 46,47,47,48,48,49,49,50,50,50,51,51,51,52,52,52,53,53,53,54,54,54,55,55,55,55,56,56}; const unsigned char digital_db_scale[] = {0,2,3,5,5,6,6,6,7,7,7,7,8,8,8,8,8,9,9,9,9,9,9,9,9,10,10, 10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11,11}; /* Define's y positions, to make the needle arch, like a real needle would. */ const unsigned char y_values[] = {34,34,33,33,32,32,31,31,30,30,29,29,28,28,28,27,27,27,26,26,26,26,25,25,25,25,25,25, 25,25,25,25,25,25,26,26,26,26,27,27,27,28,28,28,29,29,30,30,31,31,32,32,33,33,34,34}; const unsigned char led[] = {0x0e, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x0e}; const unsigned char needle_cover[] = {0x18, 0x1c, 0x1c, 0x1e, 0x1e, 0x1f, 0x1f, 0x1f, 0x1e, 0x1e, 0x1c, 0x1c, 0x18}; const unsigned char sound_speaker[] = {0x18,0x24,0x42,0xFF}; const unsigned char sound_low_level[] = {0x24,0x18}; const unsigned char sound_med_level[] = {0x42,0x3C}; const unsigned char sound_high_level[] = {0x81,0x7E}; const unsigned char sound_max_level[] = {0x0E,0xDF,0x0E}; #define ANALOG 1 /* The two meter types */ #define DIGITAL 2 int left_needle_top_y; int left_needle_top_x; int last_left_needle_top_x; int right_needle_top_y; int right_needle_top_x; int last_right_needle_top_x = 56; int num_left_leds; int num_right_leds; int last_num_left_leds; int last_num_right_leds; int i; #define MAX_PEAK 0x7FFF struct saved_settings { int meter_type; bool analog_use_db_scale; bool digital_use_db_scale; bool analog_minimeters; bool digital_minimeters; int analog_decay; int digital_decay; } settings; void reset_settings(void) { settings.meter_type=ANALOG; settings.analog_use_db_scale=true; settings.digital_use_db_scale=true; settings.analog_minimeters=true; settings.digital_minimeters=false; settings.analog_decay=3; settings.digital_decay=0; } void load_settings(void) { int fp = rb->open("/.rockbox/rocks/.vu_meter", O_RDONLY); if(fp>=0) { rb->read(fp, &settings, sizeof(struct saved_settings)); rb->close(fp); } else { reset_settings(); #if CONFIG_KEYPAD == RECORDER_PAD rb->splash(HZ, true, "Press ON for help"); #elif CONFIG_KEYPAD == ONDIO_PAD rb->splash(HZ, true, "Press MODE for help"); #endif } } void save_settings(void) { int fp = rb->creat("/.rockbox/rocks/.vu_meter", O_WRONLY); if(fp >= 0) { rb->write (fp, &settings, sizeof(struct saved_settings)); rb->close(fp); } } void change_volume(int delta) { char curr_vol[5]; int minvol = rb->sound_min(SOUND_VOLUME); int maxvol = rb->sound_max(SOUND_VOLUME); int vol = rb->global_settings->volume + delta; if (vol > maxvol) vol = maxvol; else if (vol < minvol) vol = minvol; if (vol != rb->global_settings->volume) { rb->sound_set(SOUND_VOLUME, vol); rb->global_settings->volume = vol; rb->snprintf(curr_vol, sizeof(curr_vol), "%d", vol); rb->lcd_putsxy(0,0, curr_vol); rb->lcd_update(); rb->sleep(HZ/12); } } void change_settings(void) { int selected_setting=0; bool quit=false; while(!quit) { rb->lcd_clear_display(); rb->lcd_putsxy(33, 0, "Settings"); rb->lcd_putsxy(0, 8, "Meter type:"); if(settings.meter_type==ANALOG) rb->lcd_putsxy(67, 8, "Analog"); else rb->lcd_putsxy(67, 8, "Digital"); if(settings.meter_type==ANALOG) { rb->lcd_putsxy(0, 16, "Scale:"); if(settings.analog_use_db_scale) rb->lcd_putsxy(36, 16, "dBfs"); else rb->lcd_putsxy(36, 16, "Linear"); rb->lcd_putsxy(0, 24, "Minimeters:"); if(settings.analog_minimeters) rb->lcd_putsxy(65, 24, "On"); else rb->lcd_putsxy(65, 24, "Off"); rb->lcd_putsxy(0, 32, "Decay Speed:"); switch(settings.analog_decay) { case 0: rb->lcd_putsxy(10, 40, "No Decay"); break; case 1: rb->lcd_putsxy(10, 40, "Very Fast"); break; case 2: rb->lcd_putsxy(10, 40, "Fast"); break; case 3: rb->lcd_putsxy(10, 40, "Medium"); break; case 4: rb->lcd_putsxy(10, 40, "Medium-Slow"); break; case 5: rb->lcd_putsxy(10, 40, "Slow"); break; case 6: rb->lcd_putsxy(10, 40, "Very Slow"); break; } } else { rb->lcd_putsxy(0, 16, "Scale:"); if(settings.digital_use_db_scale) rb->lcd_putsxy(36, 16, "dBfs"); else rb->lcd_putsxy(36, 16, "Linear"); rb->lcd_putsxy(0, 24, "Minimeters:"); if(settings.digital_minimeters) rb->lcd_putsxy(65, 24, "On"); else rb->lcd_putsxy(65, 24, "Off"); rb->lcd_putsxy(0, 32, "Decay Speed:"); switch(settings.digital_decay) { case 0: rb->lcd_putsxy(10, 40, "No Decay"); break; case 1: rb->lcd_putsxy(10, 40, "Very Fast"); break; case 2: rb->lcd_putsxy(10, 40, "Fast"); break; case 3: rb->lcd_putsxy(10, 40, "Medium"); break; case 4: rb->lcd_putsxy(10, 40, "Medium-Slow"); break; case 5: rb->lcd_putsxy(10, 40, "Slow"); break; case 6: rb->lcd_putsxy(10, 40, "Very Slow"); break; } } rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_fillrect(0, selected_setting*8+8,111,8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_update(); switch(rb->button_get_w_tmo(1)) { case VUMETER_MENU_EXIT: case VUMETER_MENU_EXIT2: quit = true; break; case VUMETER_LEFT: if(selected_setting==0) settings.meter_type == DIGITAL ? settings.meter_type = ANALOG : settings.meter_type++; if(settings.meter_type==ANALOG) { if(selected_setting==1) settings.analog_use_db_scale = !settings.analog_use_db_scale; if(selected_setting==2) settings.analog_minimeters = !settings.analog_minimeters; if(selected_setting==3) settings.analog_decay == 0 ? settings.analog_decay = 6 : settings.analog_decay--; } else { if(selected_setting==1) settings.digital_use_db_scale = !settings.digital_use_db_scale; if(selected_setting==2) settings.digital_minimeters = !settings.digital_minimeters; if(selected_setting==3) settings.digital_decay == 0 ? settings.digital_decay = 6 : settings.digital_decay--; } break; case VUMETER_RIGHT: if(selected_setting==0) settings.meter_type == DIGITAL ? settings.meter_type = ANALOG : settings.meter_type++; if(settings.meter_type==ANALOG) { if(selected_setting==1) settings.analog_use_db_scale = !settings.analog_use_db_scale; if(selected_setting==2) settings.analog_minimeters = !settings.analog_minimeters; if(selected_setting==3) settings.analog_decay == 6 ? settings.analog_decay = 0 : settings.analog_decay++; } else { if(selected_setting==1) settings.digital_use_db_scale = !settings.digital_use_db_scale; if(selected_setting==2) settings.digital_minimeters = !settings.digital_minimeters; if(selected_setting==3) settings.digital_decay == 6 ? settings.digital_decay = 0 : settings.digital_decay++; } break; case VUMETER_UP: selected_setting == 3 ? selected_setting=0 : selected_setting++; break; case VUMETER_DOWN: selected_setting == 0 ? selected_setting=3 : selected_setting--; } } } void draw_analog_minimeters(void) { rb->lcd_mono_bitmap(sound_speaker, 0, 12, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(5lcd_mono_bitmap(sound_low_level, 5, 12, 2, 8); if(12lcd_mono_bitmap(sound_med_level, 7, 12, 2, 8); if(24lcd_mono_bitmap(sound_high_level, 9, 12, 2, 8); if(40lcd_mono_bitmap(sound_max_level, 12, 12, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_mono_bitmap(sound_speaker, 54, 12, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(5<(right_needle_top_x-56)) rb->lcd_mono_bitmap(sound_low_level, 59, 12, 2, 8); if(12<(right_needle_top_x-56)) rb->lcd_mono_bitmap(sound_med_level, 61, 12, 2, 8); if(24<(right_needle_top_x-56)) rb->lcd_mono_bitmap(sound_high_level, 63, 12, 2, 8); if(40<(right_needle_top_x-56)) rb->lcd_mono_bitmap(sound_max_level, 66, 12, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); } void draw_digital_minimeters(void) { rb->lcd_mono_bitmap(sound_speaker, 34, 24, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(1lcd_mono_bitmap(sound_low_level, 39, 24, 2, 8); if(2lcd_mono_bitmap(sound_med_level, 41, 24, 2, 8); if(5lcd_mono_bitmap(sound_high_level, 43, 24, 2, 8); if(8lcd_mono_bitmap(sound_max_level, 46, 24, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_mono_bitmap(sound_speaker, 34, 40, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(1<(num_right_leds)) rb->lcd_mono_bitmap(sound_low_level, 39, 40, 2, 8); if(2<(num_right_leds)) rb->lcd_mono_bitmap(sound_med_level, 41, 40, 2, 8); if(5<(num_right_leds)) rb->lcd_mono_bitmap(sound_high_level, 43, 40, 2, 8); if(8<(num_right_leds)) rb->lcd_mono_bitmap(sound_max_level, 46, 40, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); } void analog_meter(void) { #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) int left_peak = rb->mas_codec_readreg(0xC); int right_peak = rb->mas_codec_readreg(0xD); #elif (CONFIG_CODEC == SWCODEC) int left_peak, right_peak; rb->pcm_calculate_peaks(&left_peak, &right_peak); #endif if(settings.analog_use_db_scale) { left_needle_top_x = analog_db_scale[left_peak * 56 / MAX_PEAK]; right_needle_top_x = analog_db_scale[right_peak * 56 / MAX_PEAK] + 56; } else { left_needle_top_x = left_peak * 56 / MAX_PEAK; right_needle_top_x = right_peak * 56 / MAX_PEAK + 56; } /* Makes a decay on the needle */ left_needle_top_x = (left_needle_top_x+last_left_needle_top_x*settings.analog_decay)/(settings.analog_decay+1); right_needle_top_x = (right_needle_top_x+last_right_needle_top_x*settings.analog_decay)/(settings.analog_decay+1); last_left_needle_top_x = left_needle_top_x; last_right_needle_top_x = right_needle_top_x; left_needle_top_y = y_values[left_needle_top_x]; right_needle_top_y = y_values[right_needle_top_x-56]; /* Needles */ rb->lcd_drawline(28, 63, left_needle_top_x, left_needle_top_y); rb->lcd_drawline(84, 63, right_needle_top_x, right_needle_top_y); if(settings.analog_minimeters) draw_analog_minimeters(); /* Needle covers */ rb->lcd_set_drawmode(DRMODE_FG); rb->lcd_mono_bitmap(needle_cover, 22, 59, 13, 5); rb->lcd_mono_bitmap(needle_cover, 78, 59, 13, 5); rb->lcd_set_drawmode(DRMODE_SOLID); /* Show Left/Right */ rb->lcd_putsxy(16, 12, "Left"); rb->lcd_putsxy(70, 12, "Right"); /* Line above/below the Left/Right text */ rb->lcd_drawline(0,9,111,9); rb->lcd_drawline(0,21,111,21); for(i=0; i<56; i++) { rb->lcd_drawpixel(i, (y_values[i])-2); rb->lcd_drawpixel(i+56, (y_values[i])-2); } } void digital_meter(void) { #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) int left_peak = rb->mas_codec_readreg(0xC); int right_peak = rb->mas_codec_readreg(0xD); #elif (CONFIG_CODEC == SWCODEC) int left_peak, right_peak; rb->pcm_calculate_peaks(&left_peak, &right_peak); #endif if(settings.digital_use_db_scale) { num_left_leds = digital_db_scale[left_peak * 44 / MAX_PEAK]; num_right_leds = digital_db_scale[right_peak * 44 / MAX_PEAK]; } else { num_left_leds = left_peak * 11 / MAX_PEAK; num_right_leds = right_peak * 11 / MAX_PEAK; } num_left_leds = (num_left_leds+last_num_left_leds*settings.digital_decay)/(settings.digital_decay+1); num_right_leds = (num_right_leds+last_num_right_leds*settings.digital_decay)/(settings.digital_decay+1); last_num_left_leds = num_left_leds; last_num_right_leds = num_right_leds; rb->lcd_set_drawmode(DRMODE_FG); /* LEDS */ for(i=0; ilcd_mono_bitmap(led, i*9+2+i, 14, 9, 5); for(i=0; ilcd_mono_bitmap(led, i*9+2+i, 52, 9, 5); rb->lcd_set_drawmode(DRMODE_SOLID); if(settings.digital_minimeters) draw_digital_minimeters(); /* Lines above/below where the LEDS are */ rb->lcd_drawline(0,12,111,12); rb->lcd_drawline(0,20,111,20); rb->lcd_drawline(0,50,111,50); rb->lcd_drawline(0,58,111,58); /* Show Left/Right */ rb->lcd_putsxy(2, 24, "Left"); rb->lcd_putsxy(2, 40, "Right"); /* Line in the middle */ rb->lcd_drawline(0,35,111,35); } enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { int button; int lastbutton = BUTTON_NONE; (void) parameter; rb = api; load_settings(); rb->lcd_setfont(FONT_SYSFIXED); while (1) { rb->lcd_clear_display(); rb->lcd_putsxy(33, 0, "VU Meter"); if(settings.meter_type==ANALOG) analog_meter(); else digital_meter(); rb->lcd_update(); button = rb->button_get_w_tmo(1); switch (button) { case VUMETER_QUIT: save_settings(); return PLUGIN_OK; break; case VUMETER_HELP: #ifdef VUMETER_HELP_PRE if (lastbutton != VUMETER_HELP_PRE) break; #endif rb->lcd_clear_display(); rb->lcd_puts(0, 0, "OFF: Exit"); #if CONFIG_KEYPAD == RECORDER_PAD rb->lcd_puts(0, 1, "F1: Settings"); #elif CONFIG_KEYPAD == ONDIO_PAD rb->lcd_puts(0, 1, "MODE..: Settings"); #endif rb->lcd_puts(0, 2, "UP/DOWN: Volume"); rb->lcd_update(); rb->sleep(HZ*3); break; case VUMETER_MENU: #ifdef VUMETER_MENU_PRE if (lastbutton != VUMETER_MENU_PRE) break; #endif change_settings(); break; case VUMETER_UP: case VUMETER_UP | BUTTON_REPEAT: change_volume(1); break; case VUMETER_DOWN: case VUMETER_DOWN | BUTTON_REPEAT: change_volume(-1); break; default: if(rb->default_event_handler(button) == SYS_USB_CONNECTED) return PLUGIN_USB_CONNECTED; break; } if (button != BUTTON_NONE) lastbutton = button; } } #endif /* #ifdef HAVE_LCD_BITMAP and HWCODEC */