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Added extended erase (0x44), needed for stm32f2 stm32f4 series

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This commit is contained in:
Domen Puncer 2012-06-18 11:31:03 +02:00
parent b72acb9cd7
commit 15db5e2e8a
1 changed files with 24 additions and 0 deletions
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24
stm32loader/stm32loader.py
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@ -44,6 +44,8 @@ class CmdException(Exception):
pass pass
class CommandInterface: class CommandInterface:
extended_erase = 0
def open(self, aport='/dev/tty.usbserial-ftCYPMYJ', abaudrate=115200) : def open(self, aport='/dev/tty.usbserial-ftCYPMYJ', abaudrate=115200) :
self.sp = serial.Serial( self.sp = serial.Serial(
port=aport, port=aport,
@ -106,6 +108,8 @@ class CommandInterface:
version = ord(self.sp.read()) version = ord(self.sp.read())
mdebug(10, " Bootloader version: "+hex(version)) mdebug(10, " Bootloader version: "+hex(version))
dat = map(lambda c: hex(ord(c)), self.sp.read(len)) dat = map(lambda c: hex(ord(c)), self.sp.read(len))
if '0x44' in dat:
self.extended_erase = 1
mdebug(10, " Available commands: "+str(dat)) mdebug(10, " Available commands: "+str(dat))
self._wait_for_ask("0x00 end") self._wait_for_ask("0x00 end")
return version return version
@ -189,6 +193,9 @@ class CommandInterface:
def cmdEraseMemory(self, sectors = None): def cmdEraseMemory(self, sectors = None):
if self.extended_erase:
return cmd.cmdExtendedEraseMemory()
if self.cmdGeneric(0x43): if self.cmdGeneric(0x43):
mdebug(10, "*** Erase memory command") mdebug(10, "*** Erase memory command")
if sectors is None: if sectors is None:
@ -208,6 +215,23 @@ class CommandInterface:
else: else:
raise CmdException("Erase memory (0x43) failed") raise CmdException("Erase memory (0x43) failed")
def cmdExtendedEraseMemory(self):
if self.cmdGeneric(0x44):
mdebug(10, "*** Extended Erase memory command")
# Global mass erase
self.sp.write(chr(0xFF))
self.sp.write(chr(0xFF))
# Checksum
self.sp.write(chr(0x00))
tmp = self.sp.timeout
self.sp.timeout = 30
print "Extended erase (0x44), this can take ten seconds or more"
self._wait_for_ask("0x44 erasing failed")
self.sp.timeout = tmp
mdebug(10, " Extended Erase memory done")
else:
raise CmdException("Extended Erase memory (0x44) failed")
def cmdWriteProtect(self, sectors): def cmdWriteProtect(self, sectors):
if self.cmdGeneric(0x63): if self.cmdGeneric(0x63):
mdebug(10, "*** Write protect command") mdebug(10, "*** Write protect command")