Brian Whitman bwhitman

I hereby claim:

I am bwhitman on github.
I am bwhitman (https://keybase.io/bwhitman) on keybase.
I have a public key whose fingerprint is DD06 06D4 63E7 28C3 2725 FF0A 6B3F EA00 17FE 9410

To claim this, I am signing this object:

address	size/byte	type	description	value
0x00	4	unsigned char	LED_MODE 0: all off	1: one color r,g,b	2: listening [padding 1 byte] direction [2 bytes]	3: waiting	4:speaking strength [1 byte] direction [2 bytes]	5.volume volume [1 byte]	6.display led data	7:auto voice located
			null	b	null	null	STRENGTH	null	null	null
			null	g	DIRECTION_L	null	DIRECTION_L	null	null	null

	HEAP_SIZE = 8388208
	STACK_SIZE = 61800

	PRODUCT = HelloWorld.pdx

	# Locate the SDK
	SDK = ${PLAYDATE_SDK_PATH}
	ifeq ($(SDK),)
	SDK = $(shell egrep '^\s*SDKRoot' ~/.Playdate/config \| head -n 1 \| cut -c9-)
	endif

	# Read length data from a register, return the data
	def read_register(register, length):
	# To read a register you send reg & 0x80, and then read it back
	# If you have blocking off the read will return none if it's too soon after
	send_data = [0, register, 0x80, length, 0, 0, 0]
	what = _dev.write(send_data)
	ret = _dev.read(len(send_data) + length)
	return ret[4:4+length] # Data comes in at the 4th byte

	carry:respeaker-xmos-hid bwhitman$ python listen_and_get_position.py
	Mic gain is set to 30
	time 0.88428 angle: 30 vad: 2
	time 3.54835 angle: 30 vad: 0
	time 3.97157 angle: 330 vad: 2
	time 5.57193 angle: 330 vad: 0
	time 6.38029 angle: 150 vad: 2
	time 7.85256 angle: 150 vad: 0
	time 8.37984 angle: 150 vad: 2
	time 8.97196 angle: 150 vad: 0

	import nltk
	import subprocess
	from bs4 import BeautifulSoup

	_fake_ua = "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; de-at) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1"

	def curl_something(url, user_agent = _fake_ua, referer = None, cookies_file = "cookies.txt", wait_rand = 0):
	cmd = 'curl -L -s %s -A "%s" %s "%s"' % \
	('' if not referer else '-referer "' + referer +'"', user_agent, '' if not cookies_file else "-b " + cookies_file, url)
	p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

	% 2 microphone TDOA using CPS
	% http://www.academia.edu/5280022/Direction_of_arrival_estimation_by_cross-
	% power_spectrum_phase_analysis_using_prior_distributions_and_voice_activit
	% y_detection_information
	function [sample_delay, theta_deg]=tdoa(sig, chunk_size, Fs, dist)

	% sig should be samples x 2, and a multiple of chunk_size
	% chunk_size is the size of each window
	% Fs is Fs
	% dist is distance mics are apart in mm

	void loop() {
	uint sensorValue = read_analog();
	delay(10);
	if (sensorValue > 0) {
	float voltage = sensorValue / 1023.0;
	float temp = getTemp();
	if (temp < 1) temp = 0; // bad connection or something
	temp_average = temp_average + temp;
	sensor_average = sensor_average + voltage;
	readings = readings + 1;