muttiopenbts

#!/usr/bin/env python2
# coding: utf-8

import os,socket,threading,time
import sys
#import traceback

allow_delete = False
local_ip = sys.argv[1]
local_port = 21

muttiopenbts

'''
Test script for interacting with device over modbus-rtc.
Need to improve received strings to output correctly after decoding.
'''

import pymodbus
import serial
from pymodbus.constants import Endian
from pymodbus.pdu import ModbusRequest
from pymodbus.client.sync import ModbusSerialClient as ModbusClient #initialize a serial RTU client instance

muttiopenbts

'''
pip uninstall crypto
pip install pycrypto
Tested using python 3
'''
def sign_data(private_key_loc, data, pass_phrase=None):
    '''
    param: private_key_loc Path to your private key
    param: data, plain text data to be signed
    param: pass_phrase if private key is protected

muttiopenbts

 def gen_ivt(loadaddr, image_file):                                                                                          
    '''Generate imx SoC ivt                                                                                                 
    Args:                                                                                                                    
    loadaddr    int. Hex representing load address in ram for uboot.                                                        
                Can be obtained from your u-boot.cfg build file.
    image_file  string. filename and path to binary image. If 
                generating ivt for signing kernel image, ensure kernel
                image file is pre-padded.
                
    returns:

muttiopenbts

# This is a stripped down version of Boundary device's 6x_bootscript
# which I used for learning and testing my hab images for imx6

# Prepare uboot script command
#u-boot-imx6$ ./tools/mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "my boot script" -d imx6_uboot_script.txt /tftpboot/imx6_uboot_script

setenv dtype mmc
setenv disk 0
setenv active_partition 1
# setenv kernel_img_name zImage

muttiopenbts

setenv bootargs ''

# setenv kernel_img_name zImage
setenv kernel_img_name zImage_signed_10800000

setenv initrd_high 0xffffffff
m4=''
a_base=0x10000000
if itest.s x51 == "x${cpu}" ; then
	a_base=0x90000000

muttiopenbts

setenv bootargs ''

setenv initrd_high 0xffffffff
m4=''
a_base=0x10000000
if itest.s x51 == "x${cpu}" ; then
	a_base=0x90000000
elif itest.s x53 == "x${cpu}"; then
	a_base=0x70000000
elif itest.s x6SX == "x${cpu}" || itest.s x7D == "x${cpu}"; then