aboutsummaryrefslogtreecommitdiffstats
path: root/support/stm32loader.py
diff options
context:
space:
mode:
Diffstat (limited to 'support/stm32loader.py')
-rwxr-xr-xsupport/stm32loader.py45
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