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rockbox/apps/plugins/vu_meter.c
Jean-Louis Biasini a9f20862a7 [Fuze+][Keymaps] Application and viewer keymaps update 
Last core update for keymaps and manual. Manual is now 100% complete

Change-Id: I9ad33206ecea41a88cba7a355da911fa7ab0455d
Reviewed-on: http://gerrit.rockbox.org/521
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
2013-07-18 20:24:06 +02:00

920 lines
28 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2003 Lee Pilgrim
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
**************************************************************************/
#include "plugin.h"
#include "fixedpoint.h"
#include "lib/playback_control.h"
/* 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_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "ON"
#define LABEL_QUIT "OFF"
#define LABEL_MENU "F1"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
#define VUMETER_QUIT BUTTON_OFF
#define VUMETER_HELP BUTTON_ON
#define VUMETER_MENU BUTTON_F1
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "ON"
#define LABEL_QUIT "OFF"
#define LABEL_MENU "F1"
#define LABEL_VOLUME "UP/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_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "MODE"
#define LABEL_QUIT "OFF"
#define LABEL_MENU "MODE.."
#define LABEL_VOLUME "UP/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_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "STOP"
#define LABEL_MENU "SELECT,MODE"
#define LABEL_VOLUME "UP/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_UP BUTTON_SCROLL_FWD
#define VUMETER_DOWN BUTTON_SCROLL_BACK
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "MENU"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "Wheel"
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_A
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "A"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif (CONFIG_KEYPAD == SANSA_E200_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_REC
#define VUMETER_MENU BUTTON_SELECT
#define VUMETER_UP BUTTON_SCROLL_FWD
#define VUMETER_DOWN BUTTON_SCROLL_BACK
#define LABEL_HELP "REC"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "Wheel"
#elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
#define VUMETER_QUIT (BUTTON_HOME|BUTTON_REPEAT)
#define VUMETER_HELP BUTTON_SELECT|BUTTON_REPEAT
#define VUMETER_MENU BUTTON_SELECT|BUTTON_REL
#define VUMETER_UP BUTTON_SCROLL_FWD
#define VUMETER_DOWN BUTTON_SCROLL_BACK
#define LABEL_HELP "Hold Select"
#define LABEL_QUIT "HOME"
#define LABEL_MENU "Select"
#define LABEL_VOLUME "Scrollwheel"
#elif (CONFIG_KEYPAD == SANSA_C200_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_REC
#define VUMETER_MENU BUTTON_SELECT
#define VUMETER_UP BUTTON_VOL_UP
#define VUMETER_DOWN BUTTON_VOL_DOWN
#define LABEL_HELP "REC"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "VOL UP/DN"
#elif (CONFIG_KEYPAD == SANSA_CLIP_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_HOME
#define VUMETER_MENU BUTTON_SELECT
#define VUMETER_UP BUTTON_VOL_UP
#define VUMETER_DOWN BUTTON_VOL_DOWN
#define LABEL_HELP "HOME"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "VOL UP/DN"
#elif (CONFIG_KEYPAD == SANSA_M200_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP (BUTTON_SELECT | BUTTON_UP)
#define VUMETER_MENU (BUTTON_SELECT | BUTTON_REL)
#define VUMETER_UP BUTTON_VOL_UP
#define VUMETER_DOWN BUTTON_VOL_DOWN
#define LABEL_HELP "SELECT + UP"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "VOL UP/DN"
#elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_SELECT
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "SELECT"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_REW
#define VUMETER_UP BUTTON_SCROLL_UP
#define VUMETER_DOWN BUTTON_SCROLL_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "REW"
#define LABEL_VOLUME "Scroller"
#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
#define VUMETER_QUIT BUTTON_BACK
#define VUMETER_HELP BUTTON_NEXT
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "NEXT"
#define LABEL_QUIT "BACK"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_DISPLAY
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "DISPLAY"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define VUMETER_QUIT BUTTON_RC_REC
#define VUMETER_HELP BUTTON_RC_MODE
#define VUMETER_MENU BUTTON_RC_MENU
#define VUMETER_UP BUTTON_RC_VOL_UP
#define VUMETER_DOWN BUTTON_RC_VOL_DOWN
#define LABEL_HELP "MODE"
#define LABEL_QUIT "REC"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "VOL UP/DN"
#elif CONFIG_KEYPAD == COWON_D2_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_MENU BUTTON_MENU
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#elif CONFIG_KEYPAD == CREATIVEZVM_PAD
#define VUMETER_QUIT BUTTON_BACK
#define VUMETER_HELP BUTTON_SELECT
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "MIDDLE"
#define LABEL_QUIT "BACK"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_VIEW
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "VIEW"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_NEXT
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "NEXT"
#define LABEL_QUIT "QUIT"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_RIGHT
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "RIGHT"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == ONDAVX747_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_MENU BUTTON_MENU
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#elif CONFIG_KEYPAD == ONDAVX777_PAD
#define VUMETER_QUIT BUTTON_POWER
#define LABEL_QUIT "POWER"
#elif CONFIG_KEYPAD == MROBE500_PAD
#define VUMETER_QUIT BUTTON_POWER
#define LABEL_QUIT "POWER"
#elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
#define VUMETER_QUIT BUTTON_REC
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_LEFT
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "REC"
#define LABEL_MENU "LEFT"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
#define VUMETER_QUIT BUTTON_REC
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "REC"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == MPIO_HD200_PAD
#define VUMETER_QUIT (BUTTON_REC|BUTTON_PLAY)
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_FUNC
#define VUMETER_UP BUTTON_VOL_UP
#define VUMETER_DOWN BUTTON_VOL_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "REC+PLAY"
#define LABEL_MENU "FUNC"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == MPIO_HD300_PAD
#define VUMETER_QUIT (BUTTON_MENU|BUTTON_REPEAT)
#define VUMETER_HELP BUTTON_PLAY
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "LONG MENU"
#define LABEL_MENU "MENU"
#define LABEL_VOLUME "UP/DOWN"
#elif CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD
#define VUMETER_QUIT BUTTON_BACK
#define VUMETER_HELP BUTTON_PLAYPAUSE
#define VUMETER_MENU (BUTTON_SELECT|BUTTON_REPEAT)
#define VUMETER_UP BUTTON_VOL_UP
#define VUMETER_DOWN BUTTON_VOL_DOWN
#define LABEL_HELP "PLAY"
#define LABEL_QUIT "BACK"
#define LABEL_MENU "Long SELECT"
#define LABEL_VOLUME "Vol+/Vol-"
#elif CONFIG_KEYPAD == SANSA_CONNECT_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_NEXT
#define VUMETER_MENU BUTTON_PREV
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "NEXT"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "PREV"
#define LABEL_VOLUME "VOL+/VOL-"
#elif (CONFIG_KEYPAD == SAMSUNG_YPR0_PAD)
#define VUMETER_QUIT BUTTON_BACK
#define VUMETER_HELP BUTTON_USER
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "User"
#define LABEL_QUIT "Back"
#define LABEL_MENU "Menu"
#define LABEL_VOLUME "Up/Down"
#elif (CONFIG_KEYPAD == HM60X_PAD) || \
(CONFIG_KEYPAD == HM801_PAD)
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_HELP BUTTON_RIGHT
#define VUMETER_MENU BUTTON_LEFT
#define VUMETER_UP BUTTON_UP
#define VUMETER_DOWN BUTTON_DOWN
#define LABEL_HELP "RIGHT"
#define LABEL_QUIT "POWER"
#define LABEL_MENU "LEFT"
#define LABEL_VOLUME "UP/DOWN"
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHSCREEN
#ifndef VUMETER_QUIT
#define VUMETER_QUIT BUTTON_TOPLEFT
#define LABEL_QUIT "TOPLEFT"
#endif
#ifndef VUMETER_HELP
#define VUMETER_HELP BUTTON_CENTER
#define LABEL_HELP "CENTRE"
#endif
#ifndef VUMETER_MENU
#define VUMETER_MENU BUTTON_TOPRIGHT
#define LABEL_MENU "TOPRIGHT"
#endif
#ifndef VUMETER_UP
#define VUMETER_UP BUTTON_TOPMIDDLE
#endif
#ifndef VUMETER_DOWN
#define VUMETER_DOWN BUTTON_BOTTOMMIDDLE
#endif
#ifndef LABEL_VOLUME
#define LABEL_VOLUME "UP/DOWN"
#endif
#endif
#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;
#ifdef HAVE_LCD_COLOR
int screen_foreground;
#endif
#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;
static 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;
}
static 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)*fp16_log(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 - (fp_sqrt(k, 16)>>8) - 1;
rb->yield();
}
}
static void load_settings(void) {
int fp = rb->open(PLUGIN_DEMOS_DATA_DIR "/.vu_meter", O_RDONLY);
if(fp>=0) {
rb->read(fp, &vumeter_settings, sizeof(struct saved_settings));
rb->close(fp);
}
else {
reset_settings();
rb->splash(HZ, "Press " LABEL_HELP " for help");
}
}
static void save_settings(void) {
int fp = rb->creat(PLUGIN_DEMOS_DATA_DIR "/.vu_meter", 0666);
if(fp >= 0) {
rb->write (fp, &vumeter_settings, sizeof(struct saved_settings));
rb->close(fp);
}
}
static void change_volume(int delta) {
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->lcd_putsxyf(0,0, "%d", 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","Playback Control",
"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, NULL, false))
{
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:
playback_control(NULL);
break;
case 5:
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;
}
static 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_1<left_needle_top_x)
rb->lcd_mono_bitmap(sound_low_level, quarter_width-23, 12, 2, 8);
if(analog_mini_2<left_needle_top_x)
rb->lcd_mono_bitmap(sound_med_level, quarter_width-21, 12, 2, 8);
if(analog_mini_3<left_needle_top_x)
rb->lcd_mono_bitmap(sound_high_level, quarter_width-19, 12, 2, 8);
if(analog_mini_4<left_needle_top_x)
rb->lcd_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);
}
static void draw_digital_minimeters(void) {
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_RGBPACK(255, 255 - 23 * num_left_leds, 0));
#endif
rb->lcd_mono_bitmap(sound_speaker, 34, half_height-8, 4, 8);
rb->lcd_set_drawmode(DRMODE_FG);
if(1<num_left_leds)
rb->lcd_mono_bitmap(sound_low_level, 39, half_height-8, 2, 8);
if(2<num_left_leds)
rb->lcd_mono_bitmap(sound_med_level, 41, half_height-8, 2, 8);
if(5<num_left_leds)
rb->lcd_mono_bitmap(sound_high_level, 43, half_height-8, 2, 8);
if(8<num_left_leds)
rb->lcd_mono_bitmap(sound_max_level, 46, half_height-8, 3, 8);
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_RGBPACK(255, 255 - 23 * num_right_leds, 0));
#endif
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);
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(screen_foreground);
#endif
}
static 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)
static struct pcm_peaks peaks;
rb->mixer_channel_calculate_peaks(PCM_MIXER_CHAN_PLAYBACK,
&peaks);
#define left_peak peaks.left
#define right_peak peaks.right
#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_hline(0,LCD_WIDTH-1,9);
rb->lcd_hline(0,LCD_WIDTH-1,21);
for(i=0; i<half_width; i++) {
rb->lcd_drawpixel(i, (y_values[i])-2);
rb->lcd_drawpixel(i+half_width, (y_values[i])-2);
}
}
static 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)
static struct pcm_peaks peaks;
rb->mixer_channel_calculate_peaks(PCM_MIXER_CHAN_PLAYBACK,
&peaks);
#define left_peak peaks.left
#define right_peak peaks.right
#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; i<num_left_leds; i++) {
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_RGBPACK(255, 255 - 23 * i, 0));
#endif
rb->lcd_fillrect((digital_lead + (i*digital_block_width)),
14, digital_block_width - digital_block_gap, digital_block_height);
}
for(i=0; i<num_right_leds; i++) {
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_RGBPACK(255, 255 - 23 * i, 0));
#endif
rb->lcd_fillrect((digital_lead + (i*digital_block_width)),
(half_height + 20), digital_block_width - digital_block_gap,
digital_block_height);
}
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(screen_foreground);
#endif
rb->lcd_set_drawmode(DRMODE_SOLID);
if(vumeter_settings.digital_minimeters)
draw_digital_minimeters();
/* Lines above/below where the LEDS are */
rb->lcd_hline(0,LCD_WIDTH-1,12);
rb->lcd_hline(0,LCD_WIDTH-1,half_height-12);
rb->lcd_hline(0,LCD_WIDTH-1,half_height+18);
rb->lcd_hline(0,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_hline(0,LCD_WIDTH-1,half_height+3);
}
enum plugin_status plugin_start(const void* parameter) {
int button;
#if defined(VUMETER_HELP_PRE) || defined(VUMETER_MENU_PRE)
int lastbutton = BUTTON_NONE;
#endif
(void) parameter;
calc_scales();
load_settings();
rb->lcd_setfont(FONT_SYSFIXED);
#ifdef HAVE_LCD_COLOR
screen_foreground = rb->lcd_get_foreground();
#endif
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, LABEL_QUIT ": Exit");
rb->lcd_puts(0, 1, LABEL_MENU ": Settings");
rb->lcd_puts(0, 2, LABEL_VOLUME ": 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 defined(VUMETER_HELP_PRE) || defined(VUMETER_MENU_PRE)
if (button != BUTTON_NONE)
lastbutton = button;
#endif
}
}
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