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Arduino fade out Sketches #105

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a498448
Hue+ channel selection, fix Hue+ flickering bug (pull request #97) fr…
Feb 25, 2017
5d42db8
Added Arduino sketches
Mar 20, 2017
55da607
Delete WS2812B_LEDStrip_ESP8266_Black.ino
Mar 20, 2017
e27e3c1
Delete WS2812B_LEDStrip_ESP8266_FadeOut.ino
Mar 20, 2017
8cb811b
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Mar 20, 2017
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36 changes: 29 additions & 7 deletions KeyboardVisualizerCommon/LEDStrip.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -90,15 +90,37 @@ void LEDStrip::InitializeHuePlus(char* ledstring)
strcpy(led_string, ledstring);

LPSTR source = NULL;
LPSTR channels = NULL;
LPSTR numleds = NULL;
LPSTR next = NULL;

source = strtok_s(ledstring, ",", &next);

//Check for selected channel 0=both, 1= Ch.1, 2= Ch.2
if (strlen(next))
{
channels = strtok_s(next, ",", &next);
}

switch (atoi(channels))
{
case 0:
channel = 0x00;
break;

case 1:
channel = 0x01;
break;

case 2:
channel = 0x02;
break;
}

//Check for the number of LEDs, sets the corresponding variable with the counter for the fans
if (strlen(next))
{
numleds = strtok_s(next, ",", &next);
numleds = strtok_s(next, ",", &next);
}

switch (atoi(numleds) / 8)
Expand Down Expand Up @@ -275,16 +297,16 @@ void LEDStrip::SetLEDsHuePlus(COLORREF pixels[64][256])
{
unsigned char *serial_buf;

serial_buf = new unsigned char[250]; //Size of Message always 5 XX Blocks (Mode Selection) + 3 XX for each LED (1 color)
//-> max of 40 LEDs per Channel (or 5 Fans a 8 LEDs) -> 125 Blocks (empty LEDs are written, too)
serial_buf = new unsigned char[hueSize]; //Size of Message always 5 XX Blocks (Mode Selection) + 3 XX for each LED (1 color)
//-> max of 40 LEDs per Channel (or 5 Fans a 8 LEDs) -> 125 Blocks (empty LEDs are written, too

serial_buf[0] = 0x4b;
serial_buf[1] = 0x00;
serial_buf[2] = 0x0e;
serial_buf[1] = channel;
serial_buf[2] = 0x0e;
serial_buf[3] = fans;
serial_buf[4] = 0x00;

for (int i = 5; i < 250; i++)
for (int i = 5; i < hueSize; i++)
{
//clearing the buf otherwise sometimes strange things are written to the COM Port
serial_buf[i] = 0x00;
Expand All @@ -299,7 +321,7 @@ void LEDStrip::SetLEDsHuePlus(COLORREF pixels[64][256])
serial_buf[idx + 7] = GetBValue(color);
}

serialport->serial_write((char *)serial_buf,250);
serialport->serial_write((char *)serial_buf, hueSize);
serialport->serial_flush_tx();

delete[] serial_buf;
Expand Down
2 changes: 2 additions & 0 deletions KeyboardVisualizerCommon/LEDStrip.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ class LEDStrip
int baud_rate;
int num_leds;
int fans;
int channel;
const int hueSize = 125;

int * LEDStripXIndex;
int * LEDStripYIndex;
Expand Down
15 changes: 8 additions & 7 deletions KeyboardVisualizerQT/main.cpp
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Expand Up @@ -245,13 +245,14 @@ bool parse_command_line(int argc, char *argv[])
printf(" - UDP : ledstrip=udp:client,port,num_leds\r\n");
printf(" - (ex.ledstrip=udp:192.168.1.5,1234,30)\r\n");
printf(" xmas - COM port, ex. xmas=COM2\r\n");
printf(" hueplus - HUE+ config:\r\n");
printf(" - hueplus=port,num_leds\r\n");
printf(" - num_leds: Fans * 8 ex. 3 Fans -> 24\r\n");
printf(" - Important for Fans: If you have connected fans on both channels only count the fans on the channel with the most fans\r\n");
printf(" ex. 3 Fans on Ch. 1 4 Fans on CH. 2: num_leds 32 for the 4 Fans\r\n");
printf(" For best Visualizer results don`t connect on one channel 3 fans more than on the other channel\r\n");
printf(" - (ex. hueplus=COM4,24\r\n");
printf(" hueplus - HUE+ config:\r\n");
printf(" - hueplus=port,channel,num_leds\r\n");
printf(" - channel: 0 -> both channels, 1 -> channel 1, 2 -> channel 2\r\n");
printf(" - num_leds: Fans * 8 ex. 3 Fans -> 24\r\n");
printf(" - Important for Fans: If you have connected fans on both channels only count the fans on the channel with the most fans\r\n");
printf(" ex. 3 Fans on Ch. 1 4 Fans on CH. 2: num_leds 32 for the 4 Fans\r\n");
printf(" For best Visualizer results don`t connect on one channel 3 fans more than on the other channel\r\n");
printf(" - (ex. hueplus=COM4,1,24\r\n");
return false;
}

Expand Down
15 changes: 8 additions & 7 deletions KeyboardVisualizerVC/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -280,13 +280,14 @@ boolean parse_command_line(char * command_line)
printf(" - UDP : ledstrip=udp:client,port,num_leds\r\n");
printf(" - (ex.ledstrip=udp:192.168.1.5,1234,30)\r\n");
printf(" xmas - COM port, ex. xmas=COM2\r\n");
printf(" hueplus - HUE+ config:\r\n");
printf(" - hueplus=port,num_leds\r\n");
printf(" - num_leds: Fans * 8 ex. 3 Fans -> 24\r\n");
printf(" - Important for Fans: If you have connected fans on both channels only count the fans on the channel with the most fans\r\n");
printf(" ex. 3 Fans on Ch. 1 4 Fans on CH. 2: num_leds 32 for the 4 Fans\r\n");
printf(" For best Visualizer results don`t connect on one channel 3 fans more than on the other channel\r\n");
printf(" - (ex. hueplus=COM4,24\r\n");
printf(" hueplus - HUE+ config:\r\n");
printf(" - hueplus=port,channel,num_leds\r\n");
printf(" - channel: 0 -> both channels, 1 -> channel 1, 2 -> channel 2\r\n");
printf(" - num_leds: Fans * 8 ex. 3 Fans -> 24\r\n");
printf(" - Important for Fans: If you have connected fans on both channels only count the fans on the channel with the most fans\r\n");
printf(" ex. 3 Fans on Ch. 1 4 Fans on CH. 2: num_leds 32 for the 4 Fans\r\n");
printf(" For best Visualizer results don`t connect on one channel 3 fans more than on the other channel\r\n");
printf(" - (ex. hueplus=COM4,1,24\r\n");
return FALSE;
}

Expand Down
128 changes: 128 additions & 0 deletions WS2812B_LEDStrip_Arduino/WS2812B_LEDStrip_Arduino_Black.ino
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Original file line number Diff line number Diff line change
@@ -0,0 +1,128 @@
/*---------------------------------------------------------*\
| |
| WS2812B (NeoPixel) Serial Controlled LED Strip Driver |
| for use with Keyboard Visualizer VCUI |
| |
| Adam Honse (calcprogrammer1) 12/9/2016 |
| |
\*---------------------------------------------------------*/
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif

#define PIN 10
#define LEDS 54
#define PACKET_SZ ( (LEDS * 3) + 3 )

// Parameter 1 = number of pixels in strip
// Parameter 2 = Arduino pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(LEDS, PIN, NEO_GRB + NEO_KHZ800);

// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
// and minimize distance between Arduino and first pixel. Avoid connecting
// on a live circuit...if you must, connect GND first.
unsigned char serial_buffer[PACKET_SZ];
unsigned int head = 0;
unsigned int start;
unsigned int checksum_1;
unsigned int checksum_0;
unsigned long previousMillis;

void setup()
{
Serial.begin(115200);
strip.begin();
strip.show();
previousMillis = millis();
}

void loop()
{
if( Serial.available())
{

serial_buffer[head] = Serial.read();

if( head >= (PACKET_SZ - 1) )
{
start = 0;
checksum_1 = head;
checksum_0 = head - 1;
head = 0;
}
else
{
start = head + 1;
checksum_1 = head;
if( head == 0 )
{
checksum_0 = PACKET_SZ - 1;
}
else
{
checksum_0 = head - 1;
}
head++;
}

if( serial_buffer[start] == 0xAA )
{
unsigned short sum = 0;

for( int i = 0; i < checksum_0; i++ )
{
sum += serial_buffer[i];
}

if( start > 0 )
{
for( int i = start; i < PACKET_SZ; i++ )
{
sum += serial_buffer[i];
}
}

//Test if valid write packet
if( ( ( (unsigned short)serial_buffer[checksum_0] << 8 ) | serial_buffer[checksum_1] ) == sum )
{
noInterrupts();
for( int i = 0; i < LEDS; i++ )
{
int idx = start + 1 + ( 3 * i );

if( idx >= (PACKET_SZ - 1) )
{
idx = idx - PACKET_SZ;
}

strip.setPixelColor(i, strip.Color(serial_buffer[idx], serial_buffer[idx+1], serial_buffer[idx+2]));

}
previousMillis = millis();
strip.show();
interrupts();

}
}
}
if ((millis() - previousMillis) > 1000)
{
for( int i = 0; i < LEDS; i++ )
{
strip.setPixelColor(i, strip.Color(0,0,0));
}
strip.show();
previousMillis=millis();
}
}




144 changes: 144 additions & 0 deletions WS2812B_LEDStrip_Arduino/WS2812B_LEDStrip_Arduino_FadeOut.ino
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Original file line number Diff line number Diff line change
@@ -0,0 +1,144 @@
/*---------------------------------------------------------*\
| |
| WS2812B (NeoPixel) Serial Controlled LED Strip Driver |
| for use with Keyboard Visualizer VCUI |
| |
| Adam Honse (calcprogrammer1) 12/9/2016 |
| |
\*---------------------------------------------------------*/
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif

#define PIN 10
#define LEDS 54
#define PACKET_SZ ( (LEDS * 3) + 3 )

// Parameter 1 = number of pixels in strip
// Parameter 2 = Arduino pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(LEDS, PIN, NEO_GRB + NEO_KHZ800);

// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across
// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input
// and minimize distance between Arduino and first pixel. Avoid connecting
// on a live circuit...if you must, connect GND first.
unsigned char serial_buffer[PACKET_SZ];
unsigned int head = 0;
unsigned int start;
unsigned int checksum_1;
unsigned int checksum_0;
unsigned long previousMillis;

void setup()
{
Serial.begin(115200);
strip.begin();
strip.show();
previousMillis = millis();
}

void loop()
{
if( Serial.available())
{

serial_buffer[head] = Serial.read();

if( head >= (PACKET_SZ - 1) )
{
start = 0;
checksum_1 = head;
checksum_0 = head - 1;
head = 0;
}
else
{
start = head + 1;
checksum_1 = head;
if( head == 0 )
{
checksum_0 = PACKET_SZ - 1;
}
else
{
checksum_0 = head - 1;
}
head++;
}

if( serial_buffer[start] == 0xAA )
{
unsigned short sum = 0;

for( int i = 0; i < checksum_0; i++ )
{
sum += serial_buffer[i];
}

if( start > 0 )
{
for( int i = start; i < PACKET_SZ; i++ )
{
sum += serial_buffer[i];
}
}

//Test if valid write packet
if( ( ( (unsigned short)serial_buffer[checksum_0] << 8 ) | serial_buffer[checksum_1] ) == sum )
{
noInterrupts();
for( int i = 0; i < LEDS; i++ )
{
int idx = start + 1 + ( 3 * i );

if( idx >= (PACKET_SZ - 1) )
{
idx = idx - PACKET_SZ;
}

strip.setPixelColor(i, strip.Color(serial_buffer[idx], serial_buffer[idx+1], serial_buffer[idx+2]));

}
previousMillis = millis();
strip.show();
interrupts();

}
}
}
if ((millis() - previousMillis) > 1000)
{
bool black = false;
uint32_t colorBlack = strip.Color(0,0,0);
while (!black)
{
for( int i = 0; i < LEDS; i++ )
{
if ( colorBlack != strip.getPixelColor(i))
{
uint32_t c = strip.getPixelColor(i);
int r = (uint8_t)(c >> 16);
int g = (uint8_t)(c >> 8);
int b = (uint8_t)c;
strip.setPixelColor(i, strip.Color(r*0.8,g*0.8,b*0.8));
}
else
{
black = true;
}
}
strip.show();
}
previousMillis=millis();
}
}




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