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flash_usb: Try to make the bossac atsam reboot logic more stable 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-03-10 14:35:25 -04:00
parent d3f6dad853
commit a5aede52cb
2 changed files with 19 additions and 6 deletions
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20
scripts/flash_usb.py
View File

@ -54,16 +54,18 @@ def flash_bossac(device, binfile, extra_flags=[]):
if os.path.exists(ttyname) and not os.path.exists(pathname):
pathname = ttyname
baseargs = ["lib/bossac/bin/bossac", "-U", "-p", pathname]
args = baseargs + extra_flags + ["-w", binfile, "-v", "-b"]
args = baseargs + extra_flags + ["-w", binfile, "-v"]
sys.stderr.write(" ".join(args) + '\n\n')
res = subprocess.call(args)
if res != 0:
raise error("Error running bossac")
if "-R" not in extra_flags:
time.sleep(0.500)
args = baseargs + ["-b", "-R"]
try:
subprocess.check_output(args, stderr=subprocess.STDOUT)
if "-b" not in extra_flags:
time.sleep(1.)
subprocess.check_output(args, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
pass
@ -90,7 +92,15 @@ def flash_dfuutil(device, binfile, extra_flags=[]):
# Device specific helpers
######################################################################
def flash_atsam(options, binfile):
def flash_atsam3(options, binfile):
try:
flash_bossac(options.device, binfile, ["-e", "-b"])
except error as e:
sys.stderr.write("Failed to flash to %s: %s\n" % (
options.device, str(e)))
sys.exit(-1)
def flash_atsam4(options, binfile):
try:
flash_bossac(options.device, binfile, ["-e"])
except error as e:
@ -99,7 +109,7 @@ def flash_atsam(options, binfile):
sys.exit(-1)
def flash_atsamd(options, binfile):
extra_flags = ["--offset=" + options.offset, "-R"]
extra_flags = ["--offset=" + options.offset, "-b", "-R"]
try:
flash_bossac(options.device, binfile, extra_flags)
except error as e:
@ -153,7 +163,7 @@ def flash_stm32f1(options, binfile):
sys.exit(-1)
MCUTYPES = {
'atsam': flash_atsam, 'atsamd': flash_atsamd,
'atsam3': flash_atsam3, 'atsam4': flash_atsam4, 'atsamd': flash_atsamd,
'lpc176x': flash_lpc176x, 'stm32f1': flash_stm32f1
}

5
src/atsam/Makefile
View File

@ -58,6 +58,9 @@ lib/bossac/bin/bossac:
@echo " Building bossac"
$(Q)make -C lib/bossac bin/bossac
FLASH_TYPE-$(CONFIG_MACH_SAM3X) := atsam3
FLASH_TYPE-$(CONFIG_MACH_SAM4) := atsam4
flash: $(OUT)klipper.bin lib/bossac/bin/bossac
@echo " Flashing $< to $(FLASH_DEVICE)"
$(Q)$(PYTHON) ./scripts/flash_usb.py -t atsam -d "$(FLASH_DEVICE)" $(OUT)klipper.bin
$(Q)$(PYTHON) ./scripts/flash_usb.py -t $(FLASH_TYPE-y) -d "$(FLASH_DEVICE)" $(OUT)klipper.bin