theterg’s gists

theterg / serial_port_logger.py

Created March 18, 2014 23:05

A simple python 3.0 script to log data from two different serial ports at one time

	import serial
	import sys
	import time
	import argparse

	parser = argparse.ArgumentParser(description='Dump serial data from basis')
	parser.add_argument('portA', type=str, help='Serial port A')
	parser.add_argument('portB', type=str, help='Serial port B')
	parser.add_argument('--baud', type=int, default=1000000, help='The baud rate of both devices')
	parser.add_argument('--labelA', type=str, default='A')

theterg / scope_get_data.py

Created February 26, 2014 21:23

Continually retrieve a single datapoint from any VISA device such as an oscilloscope or benchtop multimeter.

	import visa
	import sys
	import pandas as pd
	import numpy as np
	import datetime
	import time
	import argparse

	parser = argparse.ArgumentParser(description='Continuously retrieve data from scope as quickly as possible')
	parser.add_argument('command', type=str, help='The command to execute. EG: MEAS:PWIDTH? CHANNEL3')

theterg / pwmtest.py

Created February 10, 2014 13:38

Raspberry pi wiringpi2 pwm test

	import wiringpi2 as wiringpi
	import sys
	import argparse
	import time

	parser = argparse.ArgumentParser()
	# parser.add_argument('--clock', type=int, default=32)
	parser.add_argument('--period', type=int, default=200)
	parser.add_argument('--pulsewidth', type=int, default=15)
	args = parser.parse_args()

theterg / MioDecode.py

Created December 18, 2013 20:31

Found some data on a UART channel connecting the sensor board to the bluetooth/main MCU on a Mio Alpha watch. Wrote a quick script to assist in viewing the data on this bus.

	'''
	MioDecode.py

	Reads data from the internal serial bus of a Mio Alpha and prints the BPM to screen.

	Dependences:
	-pyserial

	Usage:
	python.exe MioDecode.py --port='<serial port>' --baud=<baud rate>

theterg / example.py

Created November 19, 2013 16:21

Example of reading in json configuration

	import json

	f = open('devinfo.json','r')
	lines = f.readlines()
	config = json.loads(lines[0])
	print config['data_format']
	print config['sensor_settings']['accelerometer']['scale']

theterg / metadata.json

Created November 15, 2013 23:09

Sample prototype metadata

	{
	"gitref": "refs/heads/add_sd",
	"gitsha": "5b5fba031cee12ffc9fa97977692062310f86ea7",
	"devid": "533231003153344c3330373038343038",
	"board": 201,
	"tick_rate_hz": 1000,
	"data_format": "0.1",
	"sample_ticks": {
	"accelerometer": 10,
	"gyroscope": 33,

theterg / Plottest.py

Created November 13, 2013 14:07

Matplotlib live plot animation without blitting

	import pylab as plt
	import numpy as np
	import pandas as pd
	import random
	import time


	start = time.time()
	frames = pd.DataFrame([0], [0.0], ['data'])
	plt.ion()

theterg / pmc.c

Created October 30, 2013 23:23

Atmel Software Framework PMC implementation - NOP WAT

	void pmc_enable_waitmode(void)
	{
	uint32_t i;

	/* Flash in Deep Power Down mode */
	i = PMC->PMC_FSMR;
	i &= ~PMC_FSMR_FLPM_Msk;
	i \|= ul_flash_in_wait_mode;
	PMC->PMC_FSMR = i;

theterg / Makefile

Created August 2, 2013 18:11

Bluegiga BTLE test code modified to analyze CRP protocol notification data

	CC = gcc

	TARGET = test001

	MACHINE = $(shell $(CC) -dumpmachine)
	# Windows
	ifneq (,$(or $(findstring mingw, $(MACHINE)), $(findstring cygwin, $(MACHINE))))
	PLATFORM = WIN
	LIBS = -lm -lsetupapi
	RM = del

theterg / studio6_linux_conversion.sh

Created July 25, 2013 18:24

A script to convert a Makefile produced by Atmel Studio 6 for arm-none-eabi on a linux host.

	#!/bin/sh

	PROJECT_NAME=$1

	if [ "$PROJECT_NAME" != "" ]; then

	# TARGET_DIR=${PROJECT_NAME}/${PROJECT_NAME}/Debug
	TARGET_DIR=${PROJECT_NAME}

	find ${TARGET_DIR} -iname ".d" -type f -exec sed -i 's/c:\\.\\bin\\//g' {} \;

Andrew Tergis theterg