vw Namespace Reference

Classes
class	rx
class	tx

Functions
def	_crc_ccitt_update (crc, data)
def	_sym2nibble (symbol)

Variables
int	_CTL = 3
list	_HEADER = [0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x38, 0x2c]
list	_SYMBOL
int	BPS = 2000
int	MAX_BPS = 10000
int	MAX_MESSAGE_BYTES = 77
int	MIN_BPS = 50
int	msg = 0
	pi = pigpio.pi()
int	RX = 11
	rx = vw.rx(pi, RX, BPS)
	start = time.time()
int	TX = 25
	tx = vw.tx(pi, TX, BPS)

Detailed Description

This module provides a 313MHz/434MHz radio interface compatible
with the Virtual Wire library used on Arduinos.

It has been tested between a Pi, TI Launchpad, and Arduino Pro Mini.

Function Documentation

def vw._crc_ccitt_update (   crc,   data  )

private

Definition at line 35 of file vw.py.

def vw._sym2nibble (   symbol )

private

Definition at line 29 of file vw.py.

Variable Documentation

int vw._CTL = 3

private

Definition at line 22 of file vw.py.

list vw._HEADER = [0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x38, 0x2c]

private

Definition at line 20 of file vw.py.

list vw._SYMBOL

private

Initial value:

= [
   0x0d, 0x0e, 0x13, 0x15, 0x16, 0x19, 0x1a, 0x1c, 
   0x23, 0x25, 0x26, 0x29, 0x2a, 0x2c, 0x32, 0x34]

Definition at line 24 of file vw.py.

int vw.BPS = 2000

Definition at line 336 of file vw.py.

int vw.MAX_BPS = 10000

Definition at line 18 of file vw.py.

int vw.MAX_MESSAGE_BYTES = 77

Definition at line 15 of file vw.py.

int vw.MIN_BPS = 50

Definition at line 17 of file vw.py.

int vw.msg = 0

Definition at line 343 of file vw.py.

vw.pi = pigpio.pi()

Definition at line 338 of file vw.py.

int vw.RX = 11

Definition at line 333 of file vw.py.

vw.rx = vw.rx(pi, RX, BPS)

Definition at line 340 of file vw.py.

vw.start = time.time()

Definition at line 345 of file vw.py.

int vw.TX = 25

Definition at line 334 of file vw.py.

vw.tx = vw.tx(pi, TX, BPS)

Definition at line 341 of file vw.py.