Mercurial > lcfOS
view python/st-flash.py @ 150:4ae0e02599de
Added type check start and analyze phase
author | Windel Bouwman |
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date | Fri, 01 Mar 2013 16:53:22 +0100 |
parents | 654093a9a1e3 |
children | ce6d390043a7 |
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#!/usr/bin/python import argparse, sys import stlink, stm32 def hex2int(s): if s.startswith('0x'): s = s[2:] return int(s, 16) raise ValueError('Hexadecimal value must begin with 0x') parser = argparse.ArgumentParser( description='ST-link flash utility by Windel Bouwman') subparsers = parser.add_subparsers(title='commands', description='possible commands', dest='command') readparser = subparsers.add_parser('read', help='read flash contents') readparser.add_argument('filename', type=argparse.FileType('wb', 0)) readparser.add_argument('address', type=hex2int) readparser.add_argument('size', type=hex2int) writeparser = subparsers.add_parser('write', help='write flash contents') writeparser.add_argument('filename', type=argparse.FileType('rb')) writeparser.add_argument('address', type=hex2int) verifyparser = subparsers.add_parser('verify', help='verify flash contents') verifyparser.add_argument('filename', type=argparse.FileType('rb')) verifyparser.add_argument('address', type=hex2int) eraseparser = subparsers.add_parser('erase', help='erase flash contents') args = parser.parse_args() if not args.command: parser.print_usage() sys.exit(1) # In any command case, open a device: stl = stlink.STLink2() stl.open() # Enter the right mode: if stl.CurrentMode == stlink.DFU_MODE: stl.exitDfuMode() if stl.CurrentMode != stlink.DEBUG_MODE: stl.enterSwdMode() if stl.ChipId != 0x10016413: print('Only working on stm32f4discovery board for now.') sys.exit(2) # Retrieve the connected device, if any: dev = stl.createDevice() if args.command == 'read': dev_content = dev.readFlash(args.address, args.size) args.filename.write(dev_content) elif args.command == 'write': content = args.filename.read() dev.writeFlash(args.address, content) elif args.command == 'verify': content = args.filename.read() dev.verifyFlash(args.address, content) elif args.command == 'erase': dev.eraseFlash() else: print('unknown command', args.command) stl.exitDebugMode()