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stm32_mem.py: Deny to work with the STM DFU bootloader 

To support the STM DFU bootloader, the interface descriptor needs to be
evaluated. Erase may only be called once per sector.
This commit is contained in:
Uwe Bonnes 2017-09-28 01:55:59 +02:00
parent 4c6f735452
commit 4f3f4cb898
1 changed files with 6 additions and 6 deletions
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12
scripts/stm32_mem.py
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@ -2,6 +2,7 @@
# #
# stm32_mem.py: STM32 memory access using USB DFU class # stm32_mem.py: STM32 memory access using USB DFU class
# Copyright (C) 2011 Black Sphere Technologies # Copyright (C) 2011 Black Sphere Technologies
# Copyright (C) 2017 Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de)
# Written by Gareth McMullin <gareth@blacksphere.co.nz> # Written by Gareth McMullin <gareth@blacksphere.co.nz>
# #
# This program is free software: you can redistribute it and/or modify # This program is free software: you can redistribute it and/or modify
@ -90,7 +91,6 @@ if __name__ == "__main__":
dfudev = dfu.dfu_device(*dev) dfudev = dfu.dfu_device(*dev)
man = dfudev.handle.getString(dfudev.dev.iManufacturer, 30) man = dfudev.handle.getString(dfudev.dev.iManufacturer, 30)
if man == "Black Sphere Technologies": bmp = bmp + 1 if man == "Black Sphere Technologies": bmp = bmp + 1
if man == "STMicroelectronics": bmp = bmp + 1
if bmp == 0 : if bmp == 0 :
print "No compatible device found\n" print "No compatible device found\n"
exit(-1) exit(-1)
@ -115,11 +115,8 @@ if __name__ == "__main__":
serial_no = dfudev.handle.getString(dfudev.dev.iSerialNumber, 30) serial_no = dfudev.handle.getString(dfudev.dev.iSerialNumber, 30)
if args.serial_target: if args.serial_target:
if man == "Black Sphere Technologies" and serial_no == args.serial_target: break if man == "Black Sphere Technologies" and serial_no == args.serial_target: break
if man == "STMicroelectronics" and serial_no == args.serial_target: break
else: else:
if man == "Black Sphere Technologies": break if man == "Black Sphere Technologies": break
if man == "STMicroelectronics": break
print "Device ID:\t %04x:%04x" % (dfudev.dev.idVendor, dfudev.dev.idProduct) print "Device ID:\t %04x:%04x" % (dfudev.dev.idVendor, dfudev.dev.idProduct)
print "Manufacturer:\t %s" % man print "Manufacturer:\t %s" % man
print "Product:\t %s" % product print "Product:\t %s" % product
@ -141,7 +138,7 @@ if __name__ == "__main__":
bin = open(args.progfile, "rb").read() bin = open(args.progfile, "rb").read()
product = dfudev.handle.getString(dfudev.dev.iProduct, 64) product = dfudev.handle.getString(dfudev.dev.iProduct, 64)
if "F4" in product: if "F4" in product:
addr = 0x8004000 addr = 0x8004000
else: else:
@ -150,6 +147,10 @@ if __name__ == "__main__":
print ("Programming memory at 0x%08X\r" % addr), print ("Programming memory at 0x%08X\r" % addr),
stdout.flush() stdout.flush()
try: try:
# STM DFU bootloader erases always.
# BPM Bootloader only erases once per sector
# To support the STM DFU bootloader, the interface descriptor must
# get evaluated and erase called only once per sector!
stm32_erase(dfudev, addr) stm32_erase(dfudev, addr)
except: except:
print "\nErase Timed out\n" print "\nErase Timed out\n"
@ -160,7 +161,6 @@ if __name__ == "__main__":
print "\nSet Address Timed out\n" print "\nSet Address Timed out\n"
break break
stm32_write(dfudev, bin[:1024]) stm32_write(dfudev, bin[:1024])
bin = bin[1024:] bin = bin[1024:]
addr += 1024 addr += 1024