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Ground Controller Lvl 1
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Adafruit project help! (Totem for Electric Forest)

Hi,

 

First off, I have no idea how to code. Somehow I was able to wire together and upload the code to get this project to work for myself:

https://learn.adafruit.com/genesis-poi-dotstar-led-persistence-of-vision-poi/code

 

Now I'm hoping to make a much larger version of this using a different chip.

The Adafruit Feather 32u4 Bluefruit LE is the chip that I have.

I'm using two 144LED/m dotstar strips and I'd like to use my own images.

 

I've uploaded this code onto the chip and gotten it to work:

https://learn.adafruit.com/adafruit-feather-32u4-bluefruit-le

With that code^^ I noticed there are some other controls that I wasn't taking advantage of in the Adafruit Bluefruit LE Connect app, like the controller.

 

I got the color picker to work, but only when I have it connected to the computer and serial monitor - I need help with that part too :(

 

I think that the controller would be great because theres 1,2,3,4 and 4 directional buttons. If each of those could be assigned to an image or animation and I could use the color picker, that'd be awesome!

 

There's also an "image transfer" that looks like it give me way more flexibilty on the images that I send to the LEDs, but I can't get that working. I'm guessing it only works with LED screens, or I'm doing something wrong.

 

 

Any help with this at all would be appreciated!!

This is going to help my friends stay together and find each other in the crowd at Electric Forest!!

 

 

Here is a copy of the code that I have working when connected to the serial monitor:

 

/*********************************************************************
This is an example for our nRF51822 based Bluefruit LE modules

Pick one up today in the adafruit shop!

Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!

MIT license, check LICENSE for more information
All text above, and the splash screen below must be included in
any redistribution
*********************************************************************/

#include <string.h>
#include <Arduino.h>
#include <SPI.h>
#include "Adafruit_BLE.h"
#include "Adafruit_BluefruitLE_SPI.h"
#include "Adafruit_BluefruitLE_UART.h"

#include "BluefruitConfig.h"

#if SOFTWARE_SERIAL_AVAILABLE
#include <SoftwareSerial.h>
#endif

/*=========================================================================
APPLICATION SETTINGS

    FACTORYRESET_ENABLE    Perform a factory reset when running this sketch
   
    Enabling this will put your Bluefruit LE module
in a 'known good' state and clear any config
data set in previous sketches or projects, so
    running this at least once is a good idea.
   
    When deploying your project, however, you will
want to disable factory reset by setting this
value to 0.  If you are making changes to your
    Bluefruit LE device via AT commands, and those
changes aren't persisting across resets, this
is the reason why.  Factory reset will erase
the non-volatile memory where config data is
stored, setting it back to factory default
values.
       
    Some sketches that require you to bond to a
central device (HID mouse, keyboard, etc.)
won't work at all with this feature enabled
since the factory reset will clear all of the
bonding data stored on the chip, meaning the
central device won't be able to reconnect.
MINIMUM_FIRMWARE_VERSION Minimum firmware version to have some new features
MODE_LED_BEHAVIOUR LED activity, valid options are
"DISABLE" or "MODE" or "BLEUART" or
"HWUART" or "SPI" or "MANUAL"
-----------------------------------------------------------------------*/
#define FACTORYRESET_ENABLE 1
#define MINIMUM_FIRMWARE_VERSION "0.6.6"
#define MODE_LED_BEHAVIOUR "MODE"
/*=========================================================================*/

// Create the bluefruit object, either software serial...uncomment these lines
/*
SoftwareSerial bluefruitSS = SoftwareSerial(BLUEFRUIT_SWUART_TXD_PIN, BLUEFRUIT_SWUART_RXD_PIN);

Adafruit_BluefruitLE_UART ble(bluefruitSS, BLUEFRUIT_UART_MODE_PIN,
BLUEFRUIT_UART_CTS_PIN, BLUEFRUIT_UART_RTS_PIN);
*/

/* ...or hardware serial, which does not need the RTS/CTS pins. Uncomment this line */
// Adafruit_BluefruitLE_UART ble(BLUEFRUIT_HWSERIAL_NAME, BLUEFRUIT_UART_MODE_PIN);

/* ...hardware SPI, using SCK/MOSI/MISO hardware SPI pins and then user selected CS/IRQ/RST */
Adafruit_BluefruitLE_SPI ble(BLUEFRUIT_SPI_CS, BLUEFRUIT_SPI_IRQ, BLUEFRUIT_SPI_RST);

/* ...software SPI, using SCK/MOSI/MISO user-defined SPI pins and then user selected CS/IRQ/RST */
//Adafruit_BluefruitLE_SPI ble(BLUEFRUIT_SPI_SCK, BLUEFRUIT_SPI_MISO,
// BLUEFRUIT_SPI_MOSI, BLUEFRUIT_SPI_CS,
// BLUEFRUIT_SPI_IRQ, BLUEFRUIT_SPI_RST);


// A small helper
void error(const __FlashStringHelper*err) {
Serial.println(err);
while (1);
}

// function prototypes over in packetparser.cpp
uint8_t readPacket(Adafruit_BLE *ble, uint16_t timeout);
float parsefloat(uint8_t *buffer);
void printHex(const uint8_t * data, const uint32_t numBytes);

// the packet buffer
extern uint8_t packetbuffer[];


// Arnab copied this here
#include <Adafruit_DotStar.h>
// Because conditional #includes don't work w/Arduino sketches...
#include <SPI.h> // COMMENT OUT THIS LINE FOR GEMMA OR TRINKET
//#include <avr/power.h> // ENABLE THIS LINE FOR GEMMA OR TRINKET

#define NUMPIXELS 144 // Number of LEDs in strip

// Here's how to control the LEDs from any two pins:
#define DATAPIN 11
#define CLOCKPIN 13
Adafruit_DotStar strip(NUMPIXELS, DATAPIN, CLOCKPIN, DOTSTAR_BRG);
// end copy


/**************************************************************************/
/*!
@brief Sets up the HW an the BLE module (this function is called
automatically on startup)
*/
/**************************************************************************/
void setup(void)
{


//arnab copied this here
strip.begin(); // Initialize pins for output
strip.show(); // Turn all LEDs off ASAP
// end copy

while (!Serial); // required for Flora & Micro
delay(500);

Serial.begin(115200);
Serial.println(F("Adafruit Bluefruit App Controller Example"));
Serial.println(F("-----------------------------------------"));

/* Initialise the module */
Serial.print(F("Initialising the Bluefruit LE module: "));

if ( !ble.begin(VERBOSE_MODE) )
{
error(F("Couldn't find Bluefruit, make sure it's in CoMmanD mode & check wiring?"));
}
Serial.println( F("OK!") );

if ( FACTORYRESET_ENABLE )
{
/* Perform a factory reset to make sure everything is in a known state */
Serial.println(F("Performing a factory reset: "));
if ( ! ble.factoryReset() ){
error(F("Couldn't factory reset"));
}
}


/* Disable command echo from Bluefruit */
ble.echo(false);

Serial.println("Requesting Bluefruit info:");
/* Print Bluefruit information */
ble.info();

Serial.println(F("Please use Adafruit Bluefruit LE app to connect in Controller mode"));
Serial.println(F("Then activate/use the sensors, color picker, game controller, etc!"));
Serial.println();

ble.verbose(false); // debug info is a little annoying after this point!

/* Wait for connection */
while (! ble.isConnected()) {
delay(500);
}

Serial.println(F("******************************"));

// LED Activity command is only supported from 0.6.6
if ( ble.isVersionAtLeast(MINIMUM_FIRMWARE_VERSION) )
{
// Change Mode LED Activity
Serial.println(F("Change LED activity to " MODE_LED_BEHAVIOUR));
ble.sendCommandCheckOK("AT+HWModeLED=" MODE_LED_BEHAVIOUR);
}

// Set Bluefruit to DATA mode
Serial.println( F("Switching to DATA mode!") );
ble.setMode(BLUEFRUIT_MODE_DATA);

Serial.println(F("******************************"));

}

/**************************************************************************/
/*!
@brief Constantly poll for new command or response data
*/
/**************************************************************************/
void loop(void)
{
/* Wait for new data to arrive */
uint8_t len = readPacket(&ble, BLE_READPACKET_TIMEOUT);
if (len == 0) return;

/* Got a packet! */
// printHex(packetbuffer, len);

// Color
if (packetbuffer[1] == 'C') {
uint8_t red = packetbuffer[2];
uint8_t green = packetbuffer[3];
uint8_t blue = packetbuffer[4];

Serial.print ("RGB #");
if (red < 0x10) Serial.print("0");
Serial.print(red, HEX);
if (green < 0x10) Serial.print("0");
Serial.print(green, HEX);
if (blue < 0x10) Serial.print("0");
Serial.println(blue, HEX);

// arnab put this here
for (int i = 0; i < NUMPIXELS; i++) {
strip.setPixelColor(i, green, red, blue); // 'On' pixel at head
}
strip.show(); // Refresh strip
// end copypasta

}

// Buttons
if (packetbuffer[1] == 'B') {
uint8_t buttnum = packetbuffer[2] - '0';
boolean pressed = packetbuffer[3] - '0';
Serial.print ("Button "); Serial.print(buttnum);
if (pressed) {
Serial.println(" pressed");
} else {
Serial.println(" released");
}
}

// GPS Location
if (packetbuffer[1] == 'L') {
float lat, lon, alt;
lat = parsefloat(packetbuffer+2);
lon = parsefloat(packetbuffer+6);
alt = parsefloat(packetbuffer+10);
Serial.print("GPS Location\t");
Serial.print("Lat: "); Serial.print(lat, 4); // 4 digits of precision!
Serial.print('\t');
Serial.print("Lon: "); Serial.print(lon, 4); // 4 digits of precision!
Serial.print('\t');
Serial.print(alt, 4); Serial.println(" meters");
}

// Accelerometer
if (packetbuffer[1] == 'A') {
float x, y, z;
x = parsefloat(packetbuffer+2);
y = parsefloat(packetbuffer+6);
z = parsefloat(packetbuffer+10);
Serial.print("Accel\t");
Serial.print(x); Serial.print('\t');
Serial.print(y); Serial.print('\t');
Serial.print(z); Serial.println();
}

// Magnetometer
if (packetbuffer[1] == 'M') {
float x, y, z;
x = parsefloat(packetbuffer+2);
y = parsefloat(packetbuffer+6);
z = parsefloat(packetbuffer+10);
Serial.print("Mag\t");
Serial.print(x); Serial.print('\t');
Serial.print(y); Serial.print('\t');
Serial.print(z); Serial.println();
}

// Gyroscope
if (packetbuffer[1] == 'G') {
float x, y, z;
x = parsefloat(packetbuffer+2);
y = parsefloat(packetbuffer+6);
z = parsefloat(packetbuffer+10);
Serial.print("Gyro\t");
Serial.print(x); Serial.print('\t');
Serial.print(y); Serial.print('\t');
Serial.print(z); Serial.println();
}

// Quaternions
if (packetbuffer[1] == 'Q') {
float x, y, z, w;
x = parsefloat(packetbuffer+2);
y = parsefloat(packetbuffer+6);
z = parsefloat(packetbuffer+10);
w = parsefloat(packetbuffer+14);
Serial.print("Quat\t");
Serial.print(x); Serial.print('\t');
Serial.print(y); Serial.print('\t');
Serial.print(z); Serial.print('\t');
Serial.print(w); Serial.println();
}
}