/*************************************************************************** * __________ __ ___. * 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. * **************************************************************************/ /****************************************************** * Quick note: throughout this code you'll see * comments like this one, inside of a box. They are * used to indicate new functions, not because I * think you're blind. Only here to help. ******************************************************/ #include "plugin.h" #ifdef HAVE_LCD_BITMAP static struct plugin_api* rb; /* This table is used to define x positions on a logarithmic (dBfs) scale. There are 112 of them, one for each pixel. The formula I used to figure these out was log(x)*32.09, where x was the original x position. */ static unsigned char 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, 52,53,53,53,54,54,54,55,55,55,55,56,56,56,56,56,66, 71,75,78,81, 83,85,87,88,89,91,92,93,94,95,95,96,97,98,98,99,100,100,101,101, 102,102,103,103,104,104,105,105,106,106,106,107,107,107,108,108, 108,109,109,109,110,110,110,111,111,111,111,112,112,112}; /* Define's y positions, and makes it look like an arch, like a real needle would. */ static unsigned char y_values[] = {32,31,30,29,28,27,26,25,24,24,23,22,22,21,21,20,19,19,18,18,18,18,18,17,17,17,17,17, 17,17,17,17,17,18,18,18,18,18,19,19,20,21,21,22,22,23,24,24,25,26,27,28,29,30,31,32, 32,31,30,29,28,27,26,25,24,24,23,22,22,21,21,20,19,19,18,18,18,18,18,17,17,17,17,17, 17,17,17,17,17,18,18,18,18,18,19,19,20,21,21,22,22,23,24,24,25,26,27,28,29,30,31,32}; /*************************************************** * LCD Bitmaps/Icons ***************************************************/ /* Linear mode bitmap icon. */ unsigned char mode_linear[] = {0xDF,0x10,0xD0,0x00,0xDF,0x00,0xDF,0x02,0xC4,0x08,0xDF, 0x00,0xDF,0x15,0xD1,0x00,0xDE,0x05,0xDE,0x00,0xDF,0x05, 0xDA}; /* Logarithmic (dBfs) mode bitmap icon. */ unsigned char mode_dbfs[] = {0xC8,0x14,0x14,0x1F,0x00,0xDF,0x15,0x15,0x0A,0xC0,0x1E, 0x05,0x05,0xC0,0x16,0x15,0xD5,0x09,0xC0,0x00,0xF0,0x00, 0xFE}; /* Channel indicator - no level [4x8] */ static unsigned char sound_speaker[] = {0x18,0x24,0x42,0xFF}; /* Channel indicator - low level [2x8] */ static unsigned char sound_low_level[] = {0x24,0x18}; /* Channel indicator - medium level [2x8] */ static unsigned char sound_med_level[] = {0x42,0x3C}; /* Channel indicator - high level [2x8] */ static unsigned char sound_high_level[] = {0x81,0x7E}; /* Channel indicator - maxed out [3x8] */ static unsigned char sound_max_level[] = {0x0E,0xDF,0x0E}; /* Volume level icon [4x7] */ static unsigned char volume_indicator[] = {0x1C,0x1C,0x22,0x7F}; /* RIGHT ARROW icon (from icons.c) [7x8] */ static unsigned char right_arrow[] = {0x7F,0x3E,0x1C,0x7F,0x3E,0x1C,0x08}; /* LEFT ARROW icon (from icons.c) [7x8] */ static unsigned char left_arrow[] = {0x08,0x1C,0x3E,0x7F,0x1C,0x3E,0x7F}; /************************* * DEFINES *************************/ #define MAX_PEAK 0x7FFF #define NEEDLE_BOTTOM_Y 54 /****************************** * LEFT NEEDLE ints ******************************/ #define LEFT_NEEDLE_BOTTOM_X 28 int left_needle_top_y; int left_needle_top_x; int old_left_needle_top_x = 0; int left_needle_top_x_no_log; /******************************* * RIGHT NEEDLE ints *******************************/ #define RIGHT_NEEDLE_BOTTOM_X 84 int right_needle_top_y; int right_needle_top_x; int old_right_needle_top_x = 56; int right_needle_top_x_no_log; /********************* * LEFT MINIMETER ints *********************/ int mini_left_low; int mini_left_med; int mini_left_high; int mini_left_clip; /********************** * RIGHT MINIMETER ints **********************/ int mini_right_low; int mini_right_med; int mini_right_high; int mini_right_clip; /************************ * GENERAL ints ************************/ char curr_vol[3]; /* CURRENT VOLUME */ int vol; /* CURENNT VOLUME int */ int on = 1; /* MINIMETER OPTIONS int */ int needle_cover_mode = 1; /* NEEDLE COVER int (defaults to "rounded") */ int arch = 1; /* ARCH int (defaults to "solid") */ int decay = 3; /* DECAY int (defaults to "medium") */ /************************* * GENERAL bools *************************/ bool quit = false; bool use_log_scale = true; bool use_minimeters = true; /******************************************** * Change the volume - derived from VIDEO.C ********************************************/ void ChangeVolume(int delta) { vol = rb->global_settings->volume + delta; if (vol > 100) vol = 100; else if (vol < 0) vol = 0; if (vol != rb->global_settings->volume) { rb->mpeg_sound_set(SOUND_VOLUME, vol); rb->global_settings->volume = vol; rb->snprintf(curr_vol, sizeof(curr_vol), "%d", vol); } } /***************************************************** * Draw the status bar *****************************************************/ void draw_status_bar(void) { rb->lcd_setfont(FONT_SYSFIXED); rb->lcd_drawline(0, 10, 112, 10); rb->lcd_putsxy(1, 1, "VU Meter"); rb->lcd_drawline(52, 1, 52, 8); rb->lcd_bitmap(volume_indicator, 60, 1, 4, 7, true); rb->lcd_putsxy(65, 1, curr_vol); rb->lcd_drawline(85, 1, 85, 8); if(use_log_scale) rb->lcd_bitmap(mode_dbfs, 88, 1, 23, 8, true); else rb->lcd_bitmap(mode_linear, 88, 1, 23, 8, true); /* The last line under the needle covers. */ rb->lcd_drawline(0, 54, 111, 54); rb->lcd_update_rect(0, 0, 112, 10); } /****************************** * DRAW left MiniMeters ******************************/ void draw_left_minimeters(void) { rb->lcd_bitmap(sound_speaker, 22, 56, 4, 8, true); if(5lcd_bitmap(sound_low_level, 27, 56, 2, 8, false); if(12lcd_bitmap(sound_med_level, 30, 56, 2, 8, false); if(24lcd_bitmap(sound_high_level, 33, 56, 2, 8, false); if(40lcd_bitmap(sound_max_level, 36, 56, 3, 8, false); } /******************************* * DRAW right MiniMeters *******************************/ void draw_right_minimeters(void) { rb->lcd_bitmap(sound_speaker, 79, 56, 4, 8, true); if(5<(right_needle_top_x_no_log-56)) rb->lcd_bitmap(sound_low_level, 84, 56, 2, 8, false); if(12<(right_needle_top_x_no_log-56)) rb->lcd_bitmap(sound_med_level, 87, 56, 2, 8, false); if(24<(right_needle_top_x_no_log-56)) rb->lcd_bitmap(sound_high_level, 90, 56, 2, 8, false); if(40<(right_needle_top_x_no_log-56)) rb->lcd_bitmap(sound_max_level, 93, 56, 3, 8, false); } /*************************************** * GENERAL SETTINGS - F1 ***************************************/ void general_settings(void) { char buf[15]; int w, h; while(!quit) { rb->lcd_clear_display(); /* Left hand side (needle covers) */ rb->lcd_putsxy(0, 15, "Needle"); rb->lcd_putsxy(0, 23, "Covers:"); if(needle_cover_mode == 1) rb->lcd_putsxy(0, 32, "Rounded"); else rb->lcd_putsxy(0, 32, "Pyramid"); rb->lcd_bitmap(left_arrow, 43, 23, 7, 8, true); /* Right hand side (visible arch) */ rb->snprintf(buf, sizeof(buf), "Visible"); rb->lcd_getstringsize(buf, &w, &h); rb->lcd_putsxy(LCD_WIDTH-w, 15, buf); rb->snprintf(buf, sizeof(buf), "Arch:"); rb->lcd_getstringsize(buf, &w, &h); rb->lcd_putsxy(LCD_WIDTH-w, 23, buf); rb->lcd_bitmap(right_arrow, 62, 23, 7, 8, true); if(arch == 1) { rb->snprintf(buf, sizeof(buf), "Solid"); rb->lcd_getstringsize(buf, &w, &h); rb->lcd_putsxy(LCD_WIDTH-w, 32, buf); } else if(arch == 2) { rb->snprintf(buf, sizeof(buf), "Dotted"); rb->lcd_getstringsize(buf, &w, &h); rb->lcd_putsxy(LCD_WIDTH-w, 32, buf); } else { rb->snprintf(buf, sizeof(buf), "Off"); rb->lcd_getstringsize(buf, &w, &h); rb->lcd_putsxy(LCD_WIDTH-w, 32, buf); } rb->lcd_update(); switch(rb->button_get_w_tmo(HZ/4)) { case BUTTON_F1: case BUTTON_OFF: quit = true; break; case BUTTON_RIGHT: arch==3 ? arch=1 : arch++; break; case BUTTON_LEFT: needle_cover_mode==2 ? needle_cover_mode=1 : needle_cover_mode++; break; } } } /***************************** * User Decay settings *****************************/ void user_decay_settings(void) { while(!quit) { rb->lcd_clear_display(); rb->lcd_putsxy(2, 0, "User Decay Options"); rb->lcd_putsxy(5, 15, "Release Speed:"); switch(decay) { case 0: rb->lcd_putsxy(5, 23, "No Decay"); break; case 1: rb->lcd_putsxy(5, 23, "Very Fast"); break; case 2: rb->lcd_putsxy(5, 23, "Fast"); break; case 3: rb->lcd_putsxy(5, 23, "Medium"); break; case 4: rb->lcd_putsxy(5, 23, "Medium-Slow"); break; case 5: rb->lcd_putsxy(5, 23, "Slow"); break; case 6: rb->lcd_putsxy(5, 23, "Very Slow"); break; default: break; } rb->lcd_putsxy(2, 48, "UP/DOWN: Change"); rb->lcd_putsxy(2, 56, "OFF/F2: Back to VU"); rb->lcd_update(); switch(rb->button_get_w_tmo(HZ/4)) { case BUTTON_F2: case BUTTON_OFF: quit = true; break; case BUTTON_DOWN: decay == 6 ? decay = 0 : decay++; break; case BUTTON_UP: decay == 0 ? decay = 6 : decay--; break; } } } /*********************************************************************** * PLUGIN STARTS HERE ***********************************************************************/ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { TEST_PLUGIN_API(api); (void) parameter; rb = api; /* Calculate the volume right away */ vol = rb->global_settings->volume; rb->snprintf(curr_vol, sizeof(curr_vol), "%d", vol); rb->splash(HZ*2, true, "Press [ON] for help"); while (!PLUGIN_OK) { quit = false; #ifdef SIMULATOR left_needle_top_x_no_log = rb->rand()%56; right_needle_top_x_no_log = (rb->rand()%56)+56; #else left_needle_top_x_no_log = (rb->mas_codec_readreg(0xC) * 56 / MAX_PEAK); right_needle_top_x_no_log = (rb->mas_codec_readreg(0xD) * 56 / MAX_PEAK) + 56; #endif rb->lcd_clear_display(); if (use_log_scale) { left_needle_top_x = db_scale[left_needle_top_x_no_log]; right_needle_top_x = db_scale[right_needle_top_x_no_log]; } else { left_needle_top_x = left_needle_top_x_no_log; right_needle_top_x = right_needle_top_x_no_log; } /* Makes a decay on the needle (Custom Decay is at F2) */ left_needle_top_x = (left_needle_top_x+old_left_needle_top_x*decay)/(decay+1); right_needle_top_x = (right_needle_top_x+old_right_needle_top_x*decay)/(decay+1); old_left_needle_top_x = left_needle_top_x; old_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]; /* Draws the needles */ rb->lcd_drawline(LEFT_NEEDLE_BOTTOM_X, NEEDLE_BOTTOM_Y, left_needle_top_x, left_needle_top_y); rb->lcd_drawline(RIGHT_NEEDLE_BOTTOM_X, NEEDLE_BOTTOM_Y, right_needle_top_x, right_needle_top_y); /* We've got four needle cover modes... */ if(needle_cover_mode == 1) /* Rounded needle cover. */ { /* Left needle cover, top to bottom */ rb->lcd_drawline(27, 49, 29, 49); rb->lcd_drawline(25, 50, 31, 50); rb->lcd_drawline(23, 51, 33, 51); rb->lcd_drawline(22, 52, 34, 52); rb->lcd_drawline(22, 53, 34, 53); /* Right needle cover, top to bottom */ rb->lcd_drawline(83, 49, 85, 49); rb->lcd_drawline(81, 50, 87, 50); rb->lcd_drawline(79, 51, 89, 51); rb->lcd_drawline(78, 52, 90, 52); rb->lcd_drawline(78, 53, 90, 53); } else /* Pyramid needle cover. */ { /* Left needle cover, top to bottom */ rb->lcd_drawpixel(28, 49); rb->lcd_drawline(27, 50, 29, 50); rb->lcd_drawline(26, 51, 30, 51); rb->lcd_drawline(25, 52, 31, 52); rb->lcd_drawline(24, 53, 32, 53); /* Right needle cover, top to bottom */ rb->lcd_drawpixel(84, 49); rb->lcd_drawline(83, 50, 85, 50); rb->lcd_drawline(82, 51, 86, 51); rb->lcd_drawline(81, 52, 87, 52); rb->lcd_drawline(80, 53, 88, 53); } if(arch == 1) /* Solid */ { int i; for(i=0; i<=112; i++) rb->lcd_drawpixel(i, (y_values[i])-2 ); } else if(arch == 2) /* Dotted */ { int i; for(i=0; i<=112; i+=2) rb->lcd_drawpixel(i, y_values[i]); } if(use_minimeters) { draw_left_minimeters(); draw_right_minimeters(); } draw_status_bar(); rb->lcd_update(); /* Using a faster timeout like "1" makes the * minimeters flicker, HZ/35 looks good. */ switch (rb->button_get_w_tmo(HZ/35)) { /* EXIT */ case BUTTON_OFF: return PLUGIN_OK; break; /* INFO */ case BUTTON_ON: rb->lcd_clear_display(); while(!quit) { rb->lcd_puts(0, 0, "OFF: Exit Plugin"); rb->lcd_puts(0, 1, "PLAY: Change Scale"); rb->lcd_puts(0, 2, "F1: Settings"); rb->lcd_puts(0, 3, "F2: Custom Decay"); rb->lcd_puts(0, 4, "F3: Mini-Meters"); rb->lcd_puts(0, 5, "UP/DOWN: Volume"); rb->lcd_puts(0, 7, "ON to exit..."); rb->lcd_update(); switch(rb->button_get_w_tmo(HZ/4)) { case BUTTON_ON: quit = true; break; } } break; /* SCALE switch */ case BUTTON_PLAY: use_log_scale = !use_log_scale; break; /* GENERAL SETTINGS screen */ case BUTTON_F1: general_settings(); break; /* DECAY SETTINGS screen */ case BUTTON_F2: user_decay_settings(); break; /* MINIMETER SETTINGS screen */ case BUTTON_F3: use_minimeters = !use_minimeters; break; /* VOLUME UP */ case BUTTON_UP: case BUTTON_UP | BUTTON_REPEAT: ChangeVolume(1); break; /* VOLUME DOWN */ case BUTTON_DOWN: case BUTTON_DOWN | BUTTON_REPEAT: ChangeVolume(-1); break; /* USB CONNECTED */ case SYS_USB_CONNECTED: rb->usb_screen(); return PLUGIN_USB_CONNECTED; break; } } } #endif /* #ifdef HAVE_LCD_BITMAP */