diff options
Diffstat (limited to 'support/stm32loader.py')
| -rwxr-xr-x | support/stm32loader.py | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/support/stm32loader.py b/support/stm32loader.py index 2b96031..d25b680 100755 --- a/support/stm32loader.py +++ b/support/stm32loader.py @@ -40,10 +40,10 @@ except: usepbar = 0 # Verbose level -QUIET = 20 +QUIET = 5 def mdebug(level, message): - if(QUIET >= level): + if QUIET >= level: print(message, file=sys.stderr) # Takes chip IDs (obtained via Get ID command) to human-readable names @@ -75,7 +75,7 @@ class CommandInterface(object): ) - def _wait_for_ask(self, info="", timeout=0): + def _wait_for_ack(self, info="", timeout=0): stop = time.time() + timeout got = None while not got: @@ -133,7 +133,7 @@ class CommandInterface(object): def cmdGeneric(self, cmd): self.sp.write(chr(cmd)) self.sp.write(chr(cmd ^ 0xFF)) # Control byte - return self._wait_for_ask(hex(cmd)) + return self._wait_for_ack(hex(cmd)) def cmdGet(self): if self.cmdGeneric(0x00): @@ -143,7 +143,7 @@ class CommandInterface(object): mdebug(10, " Bootloader version: "+hex(version)) dat = map(lambda c: hex(ord(c)), self.sp.read(len)) mdebug(10, " Available commands: "+str(dat)) - self._wait_for_ask("0x00 end") + self._wait_for_ack("0x00 end") return version else: raise CmdException("Get (0x00) failed") @@ -153,7 +153,7 @@ class CommandInterface(object): mdebug(10, "*** GetVersion command") version = ord(self.sp.read()) self.sp.read(2) - self._wait_for_ask("0x01 end") + self._wait_for_ack("0x01 end") mdebug(10, " Bootloader version: "+hex(version)) return version else: @@ -164,7 +164,7 @@ class CommandInterface(object): mdebug(10, "*** GetID command") len = ord(self.sp.read()) id = self.sp.read(len+1) - self._wait_for_ask("0x02 end") + self._wait_for_ack("0x02 end") return id else: raise CmdException("GetID (0x02) failed") @@ -184,11 +184,11 @@ class CommandInterface(object): if self.cmdGeneric(0x11): mdebug(10, "*** ReadMemory command") self.sp.write(self._encode_addr(addr)) - self._wait_for_ask("0x11 address failed") + self._wait_for_ack("0x11 address failed") N = (lng - 1) & 0xFF crc = N ^ 0xFF self.sp.write(chr(N) + chr(crc)) - self._wait_for_ask("0x11 length failed") + self._wait_for_ack("0x11 length failed") return map(lambda c: ord(c), self.sp.read(lng)) else: raise CmdException("ReadMemory (0x11) failed") @@ -198,7 +198,7 @@ class CommandInterface(object): if self.cmdGeneric(0x21): mdebug(10, "*** Go command") self.sp.write(self._encode_addr(addr)) - self._wait_for_ask("0x21 go failed") + self._wait_for_ack("0x21 go failed") else: raise CmdException("Go (0x21) failed") @@ -208,7 +208,7 @@ class CommandInterface(object): if self.cmdGeneric(0x31): mdebug(10, "*** Write memory command") self.sp.write(self._encode_addr(addr)) - self._wait_for_ask("0x31 address failed") + self._wait_for_ack("0x31 address failed") #map(lambda c: hex(ord(c)), data) lng = (len(data)-1) & 0xFF mdebug(10, " %s bytes to write" % [lng+1]); @@ -218,7 +218,7 @@ class CommandInterface(object): crc = crc ^ c self.sp.write(chr(c)) self.sp.write(chr(crc)) - self._wait_for_ask("0x31 programming failed") + self._wait_for_ack("0x31 programming failed") mdebug(10, " Write memory done") else: raise CmdException("Write memory (0x31) failed") @@ -239,7 +239,7 @@ class CommandInterface(object): crc = crc ^ c self.sp.write(chr(c)) self.sp.write(chr(crc)) - self._wait_for_ask("0x43 erasing failed") + self._wait_for_ack("0x43 erasing failed") mdebug(10, " Erase memory done") else: raise CmdException("Erase memory (0x43) failed") @@ -251,11 +251,12 @@ class CommandInterface(object): if self.cmdGeneric(0x44): mdebug(10, "*** Extended erase memory command") # Global mass erase + mdebug(5, "Global mass erase; this may take a while") self.sp.write(chr(0xFF)) self.sp.write(chr(0xFF)) # Checksum self.sp.write(chr(0x00)) - self._wait_for_ask("0x44 extended erase failed", + self._wait_for_ack("0x44 extended erase failed", timeout=self.GLOBAL_ERASE_TIMEOUT_SECONDS) mdebug(10, " Extended erase memory done") else: @@ -271,7 +272,7 @@ class CommandInterface(object): crc = crc ^ c self.sp.write(chr(c)) self.sp.write(chr(crc)) - self._wait_for_ask("0x63 write protect failed") + self._wait_for_ack("0x63 write protect failed") mdebug(10, " Write protect done") else: raise CmdException("Write Protect memory (0x63) failed") @@ -279,8 +280,8 @@ class CommandInterface(object): def cmdWriteUnprotect(self): if self.cmdGeneric(0x73): mdebug(10, "*** Write Unprotect command") - self._wait_for_ask("0x73 write unprotect failed") - self._wait_for_ask("0x73 write unprotect 2 failed") + self._wait_for_ack("0x73 write unprotect failed") + self._wait_for_ack("0x73 write unprotect 2 failed") mdebug(10, " Write Unprotect done") else: raise CmdException("Write Unprotect (0x73) failed") @@ -288,8 +289,8 @@ class CommandInterface(object): def cmdReadoutProtect(self): if self.cmdGeneric(0x82): mdebug(10, "*** Readout protect command") - self._wait_for_ask("0x82 readout protect failed") - self._wait_for_ask("0x82 readout protect 2 failed") + self._wait_for_ack("0x82 readout protect failed") + self._wait_for_ack("0x82 readout protect 2 failed") mdebug(10, " Read protect done") else: raise CmdException("Readout protect (0x82) failed") @@ -297,8 +298,8 @@ class CommandInterface(object): def cmdReadoutUnprotect(self): if self.cmdGeneric(0x92): mdebug(10, "*** Readout Unprotect command") - self._wait_for_ask("0x92 readout unprotect failed") - self._wait_for_ask("0x92 readout unprotect 2 failed") + self._wait_for_ack("0x92 readout unprotect failed") + self._wait_for_ack("0x92 readout unprotect 2 failed") mdebug(10, " Read Unprotect done") else: raise CmdException("Readout unprotect (0x92) failed") @@ -427,8 +428,6 @@ if __name__ == "__main__": usage() sys.exit(2) - QUIET = 5 - for o, a in opts: if o == '-V': QUIET = 10 |