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Improve help message #9

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41 changes: 6 additions & 35 deletions nxpprog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -401,32 +401,6 @@ def panic(str):
log(str)
sys.exit(1)


def syntax():
panic(
"""\
{0} <serial device> <image_file> : program image file to processor.
{0} --start=<addr> <serial device> : start the device at <addr>.
{0} --read=<file> --addr=<address> --len=<length> <serial device>:
read length bytes from address and dump them to a file.
{0} --serialnumber <serial device> : get the device serial number
{0} --list : list supported processors.
options:
--cpu=<cpu> : set the cpu type.
--oscfreq=<freq> : set the oscillator frequency.
--baud=<baud> : set the baud rate.
--xonxoff : enable xonxoff flow control.
--control : use RTS and DTR to control reset and int0.
--addr=<image start address> : set the base address for the image.
--verify : read the device after programming.
--verifyonly : don't program, just verify.
--eraseonly : don't program, just erase. Implies --eraseall.
--eraseall : erase all flash not just the area written to.
--blankcheck : don't program, just check that the flash is blank.
--filetype=[ihex|bin] : set filetype to intel hex format or raw binary.
--bank=[0|1] : select bank for devices with flash banks.
""".format(os.path.basename(sys.argv[0])))

class SerialDevice(object):
def __init__(self, device, baud, xonxoff=False, control=False):
# Create the Serial object without port to avoid automatic opening
Expand Down Expand Up @@ -1111,13 +1085,13 @@ def main(argv=None):
prog='nxpprog',
description='Programmer for NXP arm processors using ISP protocol.')

parser.add_argument('device')
parser.add_argument('filename')
parser.add_argument('device', metavar='SERIAL_DEVICE')
parser.add_argument('filename', metavar='IMAGE_FILE')
parser.add_argument('--list', action='store_true', default=False, help='list supported processors')
parser.add_argument('--cpu', default='autodetect', choices=cpu_parms, help='set the cpu type')
parser.add_argument('--xonxoff', action='store_true', default=False, help='enable xonxoff flow control')
parser.add_argument('--oscfreq', default=16000, type=int, help='set the oscillator frequency')
parser.add_argument('--addr', default=0, dest='flash_addr_base', type=lambda x: int(x,0), help='set the base address for the image')
parser.add_argument('--oscfreq', default=16000, type=int, metavar='FREQ', help='set the oscillator frequency')
parser.add_argument('--addr', default=0, dest='flash_addr_base', type=lambda x: int(x,0), metavar='IMAGE_START_ADDR', help='set the base address for the image')
parser.add_argument('--baud', default=115200, type=int, help='set the baud rate')
parser.add_argument('--eraseall', action='store_true', default=False, help='erase all flash not just the area written to')
parser.add_argument('--eraseonly', action='store_true', default=False, help='don\'t program, just erase. Implies --eraseall')
Expand All @@ -1128,8 +1102,8 @@ def main(argv=None):
parser.add_argument('--filetype', choices=['bin','ihex'], default='autodetect', help='set filetype to intel hex format or raw binary')
parser.add_argument('--start', nargs='?', default=None, const=0, type=lambda x: int(x,0), dest='startaddr', help='start the device at <addr>')
parser.add_argument('--bank', nargs='?', default=None, type=int, choices=[0,1], help='select bank for devices with flash banks')
parser.add_argument('--read', nargs='?', default=None, dest='readfile', help='read length bytes from address and dump them to a file')
parser.add_argument('--len', default=0, type=int, dest='readlen')
parser.add_argument('--read', nargs='?', default=None, dest='readfile', metavar='FILE', help='read length bytes from address and dump them to a file')
parser.add_argument('--len', default=0, type=int, dest='readlen', metavar='LENGHT')
parser.add_argument('--serialnumber', action='store_true', default=False, dest='get_serial_number', help='get the device serial number')

args = parser.parse_args()
Expand All @@ -1140,9 +1114,6 @@ def main(argv=None):
log(" %s" % val)
sys.exit(0)

if len(vars(args)) == 0:
parser.print_help()

log("cpu=%s oscfreq=%d device=%s baud=%d" % (args.cpu, args.oscfreq, args.device, args.baud))

prog = nxpprog(args.cpu, args.device, args.baud, args.oscfreq, args.xonxoff, args.control, args.verify)
Expand Down