From: Erik Andresen <erik@vontaene.de>
Date: Tue, 5 Sep 2017 14:29:07 +0000 (+0200)
Subject: moved bootloader to pyshared
X-Git-Url: https://defiant.homedns.org/gitweb/?p=ros_wild_thumper.git;a=commitdiff_plain;h=bf06c4f9ce163d97957c5a379cc0181d25dc43be;ds=sidebyside

moved bootloader to pyshared
---

diff --git a/scripts/bootloader.py b/scripts/bootloader.py
deleted file mode 100755
index 2abcb93..0000000
--- a/scripts/bootloader.py
+++ /dev/null
@@ -1,179 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: iso-8859-15 -*-
-
-import struct
-import sys
-import socket
-from optparse import OptionParser
-from time import sleep, time
-from i2c import i2c
-
-CMD_READ = 0x1
-CMD_ERASE = 0x2
-CMD_WRITE = 0x3
-CMD_ERASE_ALL = 0x5
-CMD_JUMP = 0x6
-CMD_INFO = 0x99
-
-PAGESIZE=64
-
-class bootloader:
-	def __init__(self, addr):
-		self.i2c_addr = addr	
-		self.boot_addr = 0x0
-
-		if not self.identify():
-			raise "Bootloader not running"
-	
-	def read_mem(self, addr, num):
-		self.run_cmd(CMD_READ, addr, num)
-		return self.read(num)
-
-	def erase(self, addr):
-		self.run_cmd(CMD_ERASE)
-	
-	def erase_all(self):
-		self.run_cmd(CMD_ERASE_ALL)
-
-	def __compare_memarea(self, addr, data):
-			mem_cmp = self.read_mem(addr, 64)
-			if mem_cmp != data:
-				print "Expected:", data.encode("hex")
-				print "Got:     ", mem_cmp.encode("hex")
-				raise("Compare mismatch at 0x%x" % addr)
-			return
-	
-	def __program_memarea(self, addr, data):
-		self.run_cmd(CMD_WRITE, addr, 64, data)
-
-	def compare(self, filename):
-		return self.__process_hex(filename, self.__compare_memarea)
-	
-	def program(self, filename):
-		return self.__process_hex(filename, self.__program_memarea)
-
-	def __process_hex(self, filename, handle):
-		next_addr = None
-		buf = ""
-		lFirstRow = None
-
-		f = open(filename, "r")
-		count=0
-		for line in f:
-			if line[0] != ':':
-				raise("Bad line start character")
-			hex = line[1:].replace("\r\n", "")
-			data = hex.decode("hex")
-			num = ord(data[0])
-			chksum = 0
-			for c in data:
-				chksum+=ord(c)
-			if chksum % 256 != 0:
-				raise("Checksum error")
-			addr, typ, data, chksum = struct.unpack(">HB%ssB" % num, data[1:])
-
-			if typ == 0: # Data Record
-				count+=len(data)
-				if next_addr is not None:
-					if next_addr != addr:
-						raise "Gap in file"
-				buf_addr = addr-len(buf)
-				buf+=data
-				if len(buf) >= PAGESIZE:
-					if not lFirstRow:
-						# do the first as last one
-						lFirstRow = (buf_addr, buf[:PAGESIZE])
-					else:
-						print "Addr 0x%x" % buf_addr
-						handle(buf_addr, buf[:PAGESIZE])
-					buf = buf[PAGESIZE:]
-			elif typ == 3: # Start Segment Address Record
-				self.boot_addr = int(data.encode("hex"), 16)
-			elif typ == 1: # End of File Record
-				print "Addr (rest) 0x%x" % buf_addr
-				buf_addr+=PAGESIZE
-				diff = PAGESIZE-len(buf)
-				buf+=chr(0xff)*diff # fill with 0xff
-				handle(buf_addr, buf[:PAGESIZE])
-				if lFirstRow: # was first
-					buf_addr = lFirstRow[0]
-					buf = lFirstRow[1]
-					print "Addr (First) 0x%x" % buf_addr
-					handle(buf_addr, buf)
-			else:
-				raise("Unknown type %d" % typ)
-			
-			next_addr = addr+num
-		print "Byte count:", count
-		f.close()
-
-	def jump(self, addr):
-		self.run_cmd(CMD_JUMP)
-
-	def wait_ping(self):
-		while(True):
-			try:
-				self.identify()
-				break
-			except:
-				sleep(1)
-
-	def load(self, filename):
-		print "Erase..."
-		self.erase_all()
-		self.wait_ping()
-		print "Erase Done."
-		print "Program..."
-		t1 = time()
-		self.program(filename)
-		print "Time: %.1fs" % (time() - t1)
-		print "Compare..."
-		t1 = time()
-		self.compare(filename)
-		print "Time: %.1fs" % (time() - t1)
-		print "Jump:"
-		self.jump(self.boot_addr)
-
-	def write(self, s):
-		dev = i2c(self.i2c_addr)
-		dev.write(s)
-		dev.close()
-
-	def read(self, num):
-		dev = i2c(self.i2c_addr)
-		s = dev.read(num)
-		dev.close()
-		return s
-	
-	def run_cmd(self, cmd, addr=0x0, num=0, data=""):
-		length = len(data)
-		s1 = struct.pack("<BLB%ds" % (length), cmd, addr, num, data)
-		self.write(s1)
-		s2 = struct.pack("B", 0xff)
-		self.write(s2)
-
-	def identify(self):
-		self.run_cmd(CMD_INFO)
-		s = self.read(10)
-		return s == "Bootloader"
-
-def to_bootloader(addr):
-	dev = i2c(addr)
-	s = struct.pack("B", 0xff)
-	dev.write(s)
-	dev.close()
-
-if __name__ == "__main__":
-	usage = "usage: %prog [options] addr [ihex]"
-	parser = OptionParser(usage=usage)
-	parser.add_option("-b", "--start-bootloader", action="store_true", dest="bToBoot", default=False, help="Start Bootloader")
-
-	(options, args) = parser.parse_args()
-	if len(args) > 1:
-		addr = int(args[0], 16)
-		if options.bToBoot:
-			to_bootloader(addr)
-			sleep(1)
-		if len(args) > 1:
-			loader = bootloader(addr)
-			loader.load(args[1])