#!/usr/bin/env python # -*- coding: utf-8 -*- # Example of SPI data transfer from pyBusPirateLite.SPI import * spi = SPI() spi.pins = PIN_POWER | PIN_CS spi.config = CFG_PUSH_PULL spi.speed = '1MHz' # send two bytes and receive answer spi.cs = True data = spi.transfer([0x82, 0x55]) spi.cs = False spi.pins = PIN_CS # turn off power
from pyBusPirateLite.SPI import *
BB = BBIO_base()
BB.connect()
BB.enter()
spi = SPI()
spi.pins = PIN_POWER | PIN_CS
spi.config = CFG_PUSH_PULL | CFG_CLK_EDGE
spi.speed = '30kHz'
# Read Byte. Address Passed is MSB First
def Read(address, rx_bytes):
data = bytes()
spi.cs = True
spi.transfer([0x03, address[0], address[1], address[2]])
for i in range(rx_bytes):
data += spi.transfer([0xFF])
spi.cs = False
return data
# Fast Read.
def Fast_Read(address, rx_bytes):
data = bytes()
spi.cs = True
spi.transfer([0x0B, address[0], address[1], address[2], 0xFF])