/*************************************************************************** * __________ __ ___. * 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" #include "fixedpoint.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_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif CONFIG_KEYPAD == ARCHOS_AV300_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_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_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_MENU2 BUTTON_MODE #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_OFF #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #define VUMETER_RC_QUIT BUTTON_RC_STOP #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \ (CONFIG_KEYPAD == IPOD_3G_PAD) || \ (CONFIG_KEYPAD == IPOD_1G2G_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_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_MENU #define VUMETER_MENU_EXIT BUTTON_MENU #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif (CONFIG_KEYPAD == SANSA_E200_PAD) #define VUMETER_QUIT BUTTON_POWER #define VUMETER_HELP BUTTON_REC #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_UP BUTTON_SCROLL_FWD #define VUMETER_DOWN BUTTON_SCROLL_BACK #elif (CONFIG_KEYPAD == SANSA_C200_PAD) #define VUMETER_QUIT BUTTON_POWER #define VUMETER_HELP BUTTON_REC #define VUMETER_MENU BUTTON_SELECT #define VUMETER_MENU_EXIT BUTTON_SELECT #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_UP BUTTON_VOL_UP #define VUMETER_DOWN BUTTON_VOL_DOWN #elif CONFIG_KEYPAD == IAUDIO_X5M5_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_UP BUTTON_UP #define VUMETER_DOWN BUTTON_DOWN #elif CONFIG_KEYPAD == IRIVER_H10_PAD #define VUMETER_QUIT BUTTON_POWER #define VUMETER_HELP BUTTON_PLAY #define VUMETER_MENU BUTTON_REW #define VUMETER_MENU_EXIT BUTTON_REW #define VUMETER_MENU_EXIT2 BUTTON_POWER #define VUMETER_UP BUTTON_SCROLL_UP #define VUMETER_DOWN BUTTON_SCROLL_DOWN #endif const struct plugin_api* rb; #if defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC) #define mas_codec_readreg(x) rand()%MAX_PEAK #endif /* Defines x positions on a logarithmic (dBfs) scale. */ unsigned char analog_db_scale[LCD_WIDTH/2]; /* Define's y positions, to make the needle arch, like a real needle would. */ unsigned char y_values[LCD_WIDTH/2]; 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}; 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}; const int half_width = LCD_WIDTH / 2; const int quarter_width = LCD_WIDTH / 4; const int half_height = LCD_HEIGHT / 2; /* approx ratio of the previous hard coded values */ const int analog_mini_1 = (LCD_WIDTH / 2)*0.1; const int analog_mini_2 = (LCD_WIDTH / 2)*0.25; const int analog_mini_3 = (LCD_WIDTH / 2)*0.4; const int analog_mini_4 = (LCD_WIDTH / 2)*0.75; const int digital_block_width = LCD_WIDTH / 11; const int digital_block_gap = (int)(LCD_WIDTH / 11) / 10; /* ammount to lead in on left so 11x blocks are centered - is often 0 */ const int digital_lead = (LCD_WIDTH - (((int)(LCD_WIDTH / 11))*11) ) / 2; const int digital_block_height = (LCD_HEIGHT - 54) / 2 ; #define ANALOG 0 /* The two meter types */ #define DIGITAL 1 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 = LCD_WIDTH / 2; int num_left_leds; int num_right_leds; int last_num_left_leds; int last_num_right_leds; int i; #define MAX_PEAK 0x8000 /* gap at the top for left/right etc */ #define NEEDLE_TOP 25 /* pow(M_E, 5) * 65536 */ #define E_POW_5 9726404 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; } vumeter_settings; void reset_settings(void) { vumeter_settings.meter_type=ANALOG; vumeter_settings.analog_use_db_scale=true; vumeter_settings.digital_use_db_scale=true; vumeter_settings.analog_minimeters=true; vumeter_settings.digital_minimeters=false; vumeter_settings.analog_decay=3; vumeter_settings.digital_decay=0; } void calc_scales(void) { unsigned int fx_log_factor = E_POW_5/half_width; unsigned int y,z; long j; long k; int nh = LCD_HEIGHT - NEEDLE_TOP; long nh2 = nh*nh; for (i=1; i <= half_width; i++) { /* analog scale */ y = (half_width/5)*flog(i*fx_log_factor); /* better way of checking for negative values? */ z = y>>16; if (z > LCD_WIDTH) z = 0; analog_db_scale[i-1] = z; /* play nice */ rb->yield(); /* y values (analog needle co-ords) */ j = i - (int)(half_width/2); k = nh2 - ( j * j ); /* fsqrt+1 seems to give a closer approximation */ y_values[i-1] = LCD_HEIGHT - (fsqrt(k, 16)>>8) - 1; rb->yield(); } } void load_settings(void) { int fp = rb->open(PLUGIN_DEMOS_DIR "/.vu_meter", O_RDONLY); if(fp>=0) { rb->read(fp, &vumeter_settings, sizeof(struct saved_settings)); rb->close(fp); } else { reset_settings(); #if CONFIG_KEYPAD == RECORDER_PAD rb->splash(HZ, "Press ON for help"); #elif CONFIG_KEYPAD == ONDIO_PAD rb->splash(HZ, "Press MODE for help"); #endif } } void save_settings(void) { int fp = rb->creat(PLUGIN_DEMOS_DIR "/.vu_meter"); if(fp >= 0) { rb->write (fp, &vumeter_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); } } static bool vu_meter_menu(void) { int selection; bool menu_quit = false; bool exit = false; MENUITEM_STRINGLIST(menu,"VU Meter Menu",NULL,"Meter Type","Scale", "Minimeters","Decay Speed","Quit"); static const struct opt_items meter_type_option[2] = { { "Analog", -1 }, { "Digital", -1 }, }; static const struct opt_items decay_speed_option[7] = { { "No Decay", -1 }, { "Very Fast", -1 }, { "Fast", -1 }, { "Medium", -1 }, { "Medium-Slow", -1 }, { "Slow", -1 }, { "Very Slow", -1 }, }; while (!menu_quit) { switch(rb->do_menu(&menu, &selection)) { case 0: rb->set_option("Meter Type", &vumeter_settings.meter_type, INT, meter_type_option, 2, NULL); break; case 1: if(vumeter_settings.meter_type==ANALOG) { rb->set_bool_options("Scale", &vumeter_settings.analog_use_db_scale, "dBfs", -1, "Linear", -1, NULL); } else { rb->set_bool_options("Scale", &vumeter_settings.digital_use_db_scale, "dBfs", -1, "Linear", -1, NULL); } break; case 2: if(vumeter_settings.meter_type==ANALOG) { rb->set_bool("Enable Minimeters", &vumeter_settings.analog_minimeters); } else { rb->set_bool("Enable Minimeters", &vumeter_settings.digital_minimeters); } break; case 3: if(vumeter_settings.meter_type==ANALOG) { rb->set_option("Decay Speed", &vumeter_settings.analog_decay, INT, decay_speed_option, 7, NULL); } else { rb->set_option("Decay Speed", &vumeter_settings.digital_decay, INT, decay_speed_option, 7, NULL); } break; case 4: exit = true; /* fall through to exit the menu */ default: menu_quit = true; break; } } /* the menu uses the userfont, set it back to sysfont */ rb->lcd_setfont(FONT_SYSFIXED); return exit; } void draw_analog_minimeters(void) { rb->lcd_mono_bitmap(sound_speaker, quarter_width-28, 12, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(analog_mini_1lcd_mono_bitmap(sound_low_level, quarter_width-23, 12, 2, 8); if(analog_mini_2lcd_mono_bitmap(sound_med_level, quarter_width-21, 12, 2, 8); if(analog_mini_3lcd_mono_bitmap(sound_high_level, quarter_width-19, 12, 2, 8); if(analog_mini_4lcd_mono_bitmap(sound_max_level, quarter_width-16, 12, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_mono_bitmap(sound_speaker, quarter_width+half_width-30, 12, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(analog_mini_1<(right_needle_top_x-half_width)) rb->lcd_mono_bitmap(sound_low_level, quarter_width+half_width-25, 12, 2, 8); if(analog_mini_2<(right_needle_top_x-half_width)) rb->lcd_mono_bitmap(sound_med_level, quarter_width+half_width-23, 12, 2, 8); if(analog_mini_3<(right_needle_top_x-half_width)) rb->lcd_mono_bitmap(sound_high_level, quarter_width+half_width-21, 12, 2, 8); if(analog_mini_4<(right_needle_top_x-half_width)) rb->lcd_mono_bitmap(sound_max_level, quarter_width+half_width-18, 12, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); } void draw_digital_minimeters(void) { rb->lcd_mono_bitmap(sound_speaker, 34, half_height-8, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(1lcd_mono_bitmap(sound_low_level, 39, half_height-8, 2, 8); if(2lcd_mono_bitmap(sound_med_level, 41, half_height-8, 2, 8); if(5lcd_mono_bitmap(sound_high_level, 43, half_height-8, 2, 8); if(8lcd_mono_bitmap(sound_max_level, 46, half_height-8, 3, 8); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_mono_bitmap(sound_speaker, 34, half_height+8, 4, 8); rb->lcd_set_drawmode(DRMODE_FG); if(1<(num_right_leds)) rb->lcd_mono_bitmap(sound_low_level, 39, half_height+8, 2, 8); if(2<(num_right_leds)) rb->lcd_mono_bitmap(sound_med_level, 41, half_height+8, 2, 8); if(5<(num_right_leds)) rb->lcd_mono_bitmap(sound_high_level, 43, half_height+8, 2, 8); if(8<(num_right_leds)) rb->lcd_mono_bitmap(sound_max_level, 46, half_height+8, 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(vumeter_settings.analog_use_db_scale) { left_needle_top_x = analog_db_scale[left_peak * half_width / MAX_PEAK]; right_needle_top_x = analog_db_scale[right_peak * half_width / MAX_PEAK] + half_width; } else { left_needle_top_x = left_peak * half_width / MAX_PEAK; right_needle_top_x = right_peak * half_width / MAX_PEAK + half_width; } /* Makes a decay on the needle */ left_needle_top_x = (left_needle_top_x+last_left_needle_top_x*vumeter_settings.analog_decay) /(vumeter_settings.analog_decay+1); right_needle_top_x = (right_needle_top_x+last_right_needle_top_x*vumeter_settings.analog_decay) /(vumeter_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-half_width]; /* Needles */ rb->lcd_drawline(quarter_width, LCD_HEIGHT-1, left_needle_top_x, left_needle_top_y); rb->lcd_drawline((quarter_width+half_width), LCD_HEIGHT-1, right_needle_top_x, right_needle_top_y); if(vumeter_settings.analog_minimeters) draw_analog_minimeters(); /* Needle covers */ rb->lcd_set_drawmode(DRMODE_FG); rb->lcd_mono_bitmap(needle_cover, quarter_width-6, LCD_HEIGHT-5, 13, 5); rb->lcd_mono_bitmap(needle_cover, half_width+quarter_width-6, LCD_HEIGHT-5, 13, 5); rb->lcd_set_drawmode(DRMODE_SOLID); /* Show Left/Right */ rb->lcd_putsxy(quarter_width-12, 12, "Left"); rb->lcd_putsxy(half_width+quarter_width-12, 12, "Right"); /* Line above/below the Left/Right text */ rb->lcd_drawline(0,9,LCD_WIDTH-1,9); rb->lcd_drawline(0,21,LCD_WIDTH-1,21); for(i=0; ilcd_drawpixel(i, (y_values[i])-2); rb->lcd_drawpixel(i+half_width, (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(vumeter_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*vumeter_settings.digital_decay) /(vumeter_settings.digital_decay+1); num_right_leds = (num_right_leds+last_num_right_leds*vumeter_settings.digital_decay) /(vumeter_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_fillrect((digital_lead + (i*digital_block_width)), 14, digital_block_width - digital_block_gap, digital_block_height); for(i=0; ilcd_fillrect((digital_lead + (i*digital_block_width)), (half_height + 20), digital_block_width - digital_block_gap, digital_block_height); rb->lcd_set_drawmode(DRMODE_SOLID); if(vumeter_settings.digital_minimeters) draw_digital_minimeters(); /* Lines above/below where the LEDS are */ rb->lcd_drawline(0,12,LCD_WIDTH-1,12); rb->lcd_drawline(0,half_height-12,LCD_WIDTH-1,half_height-12); rb->lcd_drawline(0,half_height+18,LCD_WIDTH-1,half_height+18); rb->lcd_drawline(0,LCD_HEIGHT-6,LCD_WIDTH-1,LCD_HEIGHT-6); /* Show Left/Right */ rb->lcd_putsxy(2, half_height-8, "Left"); rb->lcd_putsxy(2, half_height+8, "Right"); /* Line in the middle */ rb->lcd_drawline(0,half_height+3,LCD_WIDTH-1,half_height+3); } enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { int button; int lastbutton = BUTTON_NONE; (void) parameter; rb = api; calc_scales(); load_settings(); rb->lcd_setfont(FONT_SYSFIXED); while (1) { rb->lcd_clear_display(); rb->lcd_putsxy(half_width-23, 0, "VU Meter"); if(vumeter_settings.meter_type==ANALOG) analog_meter(); else digital_meter(); rb->lcd_update(); button = rb->button_get_w_tmo(1); switch (button) { #ifdef VUMETER_RC_QUIT case VUMETER_RC_QUIT: #endif 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_MENU2 case VUMETER_MENU2: #endif #ifdef VUMETER_MENU_PRE if (lastbutton != VUMETER_MENU_PRE) break; #endif if(vu_meter_menu()) return PLUGIN_OK; 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 */