tomazas

def chksum(inp): # GPS message checksum verification
	if not inp.startswith("$"): return False
	if not inp[-3:].startswith("*"): return False
	payload = inp[1:-3]
	checksum = 0
	for i in xrange(len(payload)):
		checksum =  checksum ^ ord(payload[i])
	return ("%02X" % checksum) == inp[-2:]

# do simple test

tomazas

# Script connects to uBlox 6M GPS receiver through serial interface, 
# reads received NMEA messages, parses and verifies
# them and finally prints parsed information to console (logfile).
#
# NOTE: change below configuration based on your device parameters

# configuration
port = "COM15"
baud = 9600

tomazas

# CFG-RATE (0x06,0x08) packet (without header 0xB5,0x62)
# payload length - 6 (little endian format), update rate 200ms, cycles - 1, reference - UTC (0)
packet = [0x06,0x08, 0x06,0x00, 0x00,0xC8, 0x00,0x01, 0x00,0x00]

CK_A,CK_B = 0, 0
for i in range(len(packet)):
  CK_A = CK_A + packet[i]
  CK_B = CK_B + CK_A

# ensure unsigned byte range

tomazas

@echo off

:: configuration
SET CC=sdcc
SET CFLAGS=-mstm8 
SET INCLUDEPATH=C:/st_toolset/STM8S_StdPeriph_Lib/Libraries/STM8S_StdPeriph_Driver/inc
:: mcu type defined in stm8s.h file
SET DEFINES=STM8S103
SET SOURCE=leds
SET OUTPUT_DIR=build

tomazas

# Luhn python implementation: http://www.ee.unb.ca/tervo/ee4253/luhn.shtml

def luhn(input):
	sum = 0
	for i,c in enumerate(input):
		num = (2-(i % 2)) * int(c)
		sum += int(num/10) + (num % 10)
	#print sum
	return ((sum % 10) == 0)
	

tomazas

/*
Example of measuring atmega VCC using the bandgap method (no external hardware or voltage divider needed).
Based on: https://jeelabs.org/2012/05/04/measuring-vcc-via-the-bandgap/
*/

// Arduino Nano / Atmega328 tested

static int vccRead () {
  ADMUX = bit(REFS0) | 14; // use Vref=VCC and measure internal bandgap channel 1.1V
  delayMicroseconds(250);  // wait for bandgap to stabilize

tomazas

// Fixes the Digispark board brown out (USB re-enumeration) issue
//
// 1. Install drivers: https://github.com/digistump/DigistumpArduino/releases/download/1.6.7/Digistump.Drivers.zip
// 2. Install Digispark boards: https://raw.githubusercontent.com/digistump/arduino-boards-index/master/package_digistump_index.json
// 3. Choose Tool > Board > Digispark (Default - 16.5mhz)
// 4. Upload this sketch
// 5. Plugin the board in USB

void setup() {                
  // initialize the digital pin as an output.

tomazas

# script detects Java compiler version for a provided input JAR filename
# usage: python script <input.jar>

import zipfile
import sys
import os
import shutil
import struct

if len(sys.argv) < 2:

tomazas

import wave, struct, math, random

sampleRate = 44100 # samples/sec (Fs)
duration = 10 # seconds
frequency = 440 # hertz

obj = wave.open('sound.wav','w')
obj.setnchannels(1) # mono
obj.setsampwidth(2) # 16-bit
obj.setframerate(sampleRate)

tomazas

# python 2 HTTP GET single-threaded server
# input: HTTP XML payload loded from payload.txt file
#
import SimpleHTTPServer
import SocketServer

hostName = "localhost"
serverPort = 8000

payload = ""