Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
rockbox/apps/plugins/vu_meter.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

735 lines
23 KiB
C
Raw Blame History

/***************************************************************************
* __________ __ ___.
* 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"
#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
#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_MENU_EXIT BUTTON_F1
#define VUMETER_MENU_EXIT2 BUTTON_OFF
#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_MENU_EXIT BUTTON_MENU
#define VUMETER_MENU_EXIT2 BUTTON_OFF
#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_MENU_EXIT BUTTON_SELECT
#define VUMETER_MENU_EXIT2 BUTTON_OFF
#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_MENU_EXIT BUTTON_SELECT
#define VUMETER_MENU_EXIT2 BUTTON_MENU
#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_MENU_EXIT BUTTON_MENU
#define VUMETER_MENU_EXIT2 BUTTON_POWER
#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_MENU_EXIT BUTTON_SELECT
#define VUMETER_MENU_EXIT2 BUTTON_POWER
#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_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
#define LABEL_HELP "REC"
#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_MENU_EXIT BUTTON_SELECT
#define VUMETER_MENU_EXIT2 BUTTON_POWER
#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_MENU_EXIT BUTTON_REW
#define VUMETER_MENU_EXIT2 BUTTON_POWER
#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_MENU_EXIT BUTTON_MENU
#define VUMETER_MENU_EXIT2 BUTTON_PLAY
#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_MENU_EXIT BUTTON_MENU
#define VUMETER_MENU_EXIT2 BUTTON_POWER
#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_MENU_EXIT BUTTON_RC_MENU
#define VUMETER_MENU_EXIT2 BUTTON_RC_REC
#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 == COWOND2_PAD
#define VUMETER_QUIT BUTTON_POWER
#define VUMETER_MENU BUTTON_MENU
#define VUMETER_MENU_EXIT BUTTON_POWER
#define LABEL_QUIT "POWER"
#define LABEL_MENU "MENU"
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHPAD
#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_MENU_EXIT
#define VUMETER_MENU_EXIT BUTTON_TOPLEFT
#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
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();
rb->splash(HZ, "Press " LABEL_HELP " for help");
}
}
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, 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:
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_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);
}
void draw_digital_minimeters(void) {
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);
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_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);
}
}
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; i<num_left_leds; i++)
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++)
rb->lcd_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_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 struct plugin_api* api, const 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, 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 (button != BUTTON_NONE)
lastbutton = button;
}
}
#endif /* #ifdef HAVE_LCD_BITMAP */
Reference in a new issue View git blame Copy permalink