diff options
Diffstat (limited to 'nuttx-configs/px4fmu-v1/tools')
-rwxr-xr-x | nuttx-configs/px4fmu-v1/tools/px_mkfw.py | 110 | ||||
-rwxr-xr-x | nuttx-configs/px4fmu-v1/tools/px_uploader.py | 416 | ||||
-rwxr-xr-x | nuttx-configs/px4fmu-v1/tools/upload.sh | 27 |
3 files changed, 553 insertions, 0 deletions
diff --git a/nuttx-configs/px4fmu-v1/tools/px_mkfw.py b/nuttx-configs/px4fmu-v1/tools/px_mkfw.py new file mode 100755 index 000000000..9f4ddad62 --- /dev/null +++ b/nuttx-configs/px4fmu-v1/tools/px_mkfw.py @@ -0,0 +1,110 @@ +#!/usr/bin/env python +############################################################################ +# +# Copyright (C) 2012 PX4 Development Team. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name PX4 nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +# +# PX4 firmware image generator +# +# The PX4 firmware file is a JSON-encoded Python object, containing +# metadata fields and a zlib-compressed base64-encoded firmware image. +# + +import sys +import argparse +import json +import base64 +import zlib +import time +import subprocess + +# +# Construct a basic firmware description +# +def mkdesc(): + proto = {} + proto['magic'] = "PX4FWv1" + proto['board_id'] = 0 + proto['board_revision'] = 0 + proto['version'] = "" + proto['summary'] = "" + proto['description'] = "" + proto['git_identity'] = "" + proto['build_time'] = 0 + proto['image'] = base64.b64encode(bytearray()) + proto['image_size'] = 0 + return proto + +# Parse commandline +parser = argparse.ArgumentParser(description="Firmware generator for the PX autopilot system.") +parser.add_argument("--prototype", action="store", help="read a prototype description from a file") +parser.add_argument("--board_id", action="store", help="set the board ID required") +parser.add_argument("--board_revision", action="store", help="set the board revision required") +parser.add_argument("--version", action="store", help="set a version string") +parser.add_argument("--summary", action="store", help="set a brief description") +parser.add_argument("--description", action="store", help="set a longer description") +parser.add_argument("--git_identity", action="store", help="the working directory to check for git identity") +parser.add_argument("--image", action="store", help="the firmware image") +args = parser.parse_args() + +# Fetch the firmware descriptor prototype if specified +if args.prototype != None: + f = open(args.prototype,"r") + desc = json.load(f) + f.close() +else: + desc = mkdesc() + +desc['build_time'] = int(time.time()) + +if args.board_id != None: + desc['board_id'] = int(args.board_id) +if args.board_revision != None: + desc['board_revision'] = int(args.board_revision) +if args.version != None: + desc['version'] = str(args.version) +if args.summary != None: + desc['summary'] = str(args.summary) +if args.description != None: + desc['description'] = str(args.description) +if args.git_identity != None: + cmd = " ".join(["git", "--git-dir", args.git_identity + "/.git", "describe", "--always", "--dirty"]) + p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout + desc['git_identity'] = p.read().strip() + p.close() +if args.image != None: + f = open(args.image, "rb") + bytes = f.read() + desc['image_size'] = len(bytes) + desc['image'] = base64.b64encode(zlib.compress(bytes,9)) + +print json.dumps(desc, indent=4) diff --git a/nuttx-configs/px4fmu-v1/tools/px_uploader.py b/nuttx-configs/px4fmu-v1/tools/px_uploader.py new file mode 100755 index 000000000..3b23f4f83 --- /dev/null +++ b/nuttx-configs/px4fmu-v1/tools/px_uploader.py @@ -0,0 +1,416 @@ +#!/usr/bin/env python +############################################################################ +# +# Copyright (C) 2012 PX4 Development Team. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name PX4 nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +# +# Serial firmware uploader for the PX4FMU bootloader +# +# The PX4 firmware file is a JSON-encoded Python object, containing +# metadata fields and a zlib-compressed base64-encoded firmware image. +# +# The uploader uses the following fields from the firmware file: +# +# image +# The firmware that will be uploaded. +# image_size +# The size of the firmware in bytes. +# board_id +# The board for which the firmware is intended. +# board_revision +# Currently only used for informational purposes. +# + +import sys +import argparse +import binascii +import serial +import os +import struct +import json +import zlib +import base64 +import time +import array + +from sys import platform as _platform + +class firmware(object): + '''Loads a firmware file''' + + desc = {} + image = bytes() + crctab = array.array('I', [ + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, + 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, + 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, + 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, + 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, + 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, + 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, + 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, + 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, + 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, + 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, + 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, + 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, + 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, + 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, + 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, + 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, + 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, + 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, + 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, + 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, + 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, + 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, + 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, + 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, + 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d ]) + crcpad = bytearray('\xff\xff\xff\xff') + + def __init__(self, path): + + # read the file + f = open(path, "r") + self.desc = json.load(f) + f.close() + + self.image = bytearray(zlib.decompress(base64.b64decode(self.desc['image']))) + + # pad image to 4-byte length + while ((len(self.image) % 4) != 0): + self.image.append('\xff') + + def property(self, propname): + return self.desc[propname] + + def __crc32(self, bytes, state): + for byte in bytes: + index = (state ^ byte) & 0xff + state = self.crctab[index] ^ (state >> 8) + return state + + def crc(self, padlen): + state = self.__crc32(self.image, int(0)) + for i in range(len(self.image), (padlen - 1), 4): + state = self.__crc32(self.crcpad, state) + return state + +class uploader(object): + '''Uploads a firmware file to the PX FMU bootloader''' + + # protocol bytes + INSYNC = chr(0x12) + EOC = chr(0x20) + + # reply bytes + OK = chr(0x10) + FAILED = chr(0x11) + INVALID = chr(0x13) # rev3+ + + # command bytes + NOP = chr(0x00) # guaranteed to be discarded by the bootloader + GET_SYNC = chr(0x21) + GET_DEVICE = chr(0x22) + CHIP_ERASE = chr(0x23) + CHIP_VERIFY = chr(0x24) # rev2 only + PROG_MULTI = chr(0x27) + READ_MULTI = chr(0x28) # rev2 only + GET_CRC = chr(0x29) # rev3+ + REBOOT = chr(0x30) + + INFO_BL_REV = chr(1) # bootloader protocol revision + BL_REV_MIN = 2 # minimum supported bootloader protocol + BL_REV_MAX = 3 # maximum supported bootloader protocol + INFO_BOARD_ID = chr(2) # board type + INFO_BOARD_REV = chr(3) # board revision + INFO_FLASH_SIZE = chr(4) # max firmware size in bytes + + PROG_MULTI_MAX = 60 # protocol max is 255, must be multiple of 4 + READ_MULTI_MAX = 60 # protocol max is 255, something overflows with >= 64 + + def __init__(self, portname, baudrate): + # open the port, keep the default timeout short so we can poll quickly + self.port = serial.Serial(portname, baudrate, timeout=0.25) + + def close(self): + if self.port is not None: + self.port.close() + + def __send(self, c): +# print("send " + binascii.hexlify(c)) + self.port.write(str(c)) + + def __recv(self, count = 1): + c = self.port.read(count) + if len(c) < 1: + raise RuntimeError("timeout waiting for data") +# print("recv " + binascii.hexlify(c)) + return c + + def __recv_int(self): + raw = self.__recv(4) + val = struct.unpack("<I", raw) + return val[0] + + def __getSync(self): + self.port.flush() + c = self.__recv() + if c is not self.INSYNC: + raise RuntimeError("unexpected 0x%x instead of INSYNC" % ord(c)) + c = self.__recv() + if c == self.INVALID: + raise RuntimeError("bootloader reports INVALID OPERATION") + if c == self.FAILED: + raise RuntimeError("bootloader reports OPERATION FAILED") + if c != self.OK: + raise RuntimeError("unexpected response 0x%x instead of OK" % ord(c)) + + # attempt to get back into sync with the bootloader + def __sync(self): + # send a stream of ignored bytes longer than the longest possible conversation + # that we might still have in progress +# self.__send(uploader.NOP * (uploader.PROG_MULTI_MAX + 2)) + self.port.flushInput() + self.__send(uploader.GET_SYNC + + uploader.EOC) + self.__getSync() + +# def __trySync(self): +# c = self.__recv() +# if (c != self.INSYNC): +# #print("unexpected 0x%x instead of INSYNC" % ord(c)) +# return False; +# c = self.__recv() +# if (c != self.OK): +# #print("unexpected 0x%x instead of OK" % ord(c)) +# return False +# return True + + # send the GET_DEVICE command and wait for an info parameter + def __getInfo(self, param): + self.__send(uploader.GET_DEVICE + param + uploader.EOC) + value = self.__recv_int() + self.__getSync() + return value + + # send the CHIP_ERASE command and wait for the bootloader to become ready + def __erase(self): + self.__send(uploader.CHIP_ERASE + + uploader.EOC) + # erase is very slow, give it 10s + deadline = time.time() + 10 + while time.time() < deadline: + try: + self.__getSync() + return + except RuntimeError as ex: + # we timed out, that's OK + continue + + raise RuntimeError("timed out waiting for erase") + + # send a PROG_MULTI command to write a collection of bytes + def __program_multi(self, data): + self.__send(uploader.PROG_MULTI + + chr(len(data))) + self.__send(data) + self.__send(uploader.EOC) + self.__getSync() + + # verify multiple bytes in flash + def __verify_multi(self, data): + self.__send(uploader.READ_MULTI + + chr(len(data)) + + uploader.EOC) + self.port.flush() + programmed = self.__recv(len(data)) + if programmed != data: + print("got " + binascii.hexlify(programmed)) + print("expect " + binascii.hexlify(data)) + return False + self.__getSync() + return True + + # send the reboot command + def __reboot(self): + self.__send(uploader.REBOOT + + uploader.EOC) + self.port.flush() + + # v3+ can report failure if the first word flash fails + if self.bl_rev >= 3: + self.__getSync() + + # split a sequence into a list of size-constrained pieces + def __split_len(self, seq, length): + return [seq[i:i+length] for i in range(0, len(seq), length)] + + # upload code + def __program(self, fw): + code = fw.image + groups = self.__split_len(code, uploader.PROG_MULTI_MAX) + for bytes in groups: + self.__program_multi(bytes) + + # verify code + def __verify_v2(self, fw): + self.__send(uploader.CHIP_VERIFY + + uploader.EOC) + self.__getSync() + code = fw.image + groups = self.__split_len(code, uploader.READ_MULTI_MAX) + for bytes in groups: + if (not self.__verify_multi(bytes)): + raise RuntimeError("Verification failed") + + def __verify_v3(self, fw): + expect_crc = fw.crc(self.fw_maxsize) + self.__send(uploader.GET_CRC + + uploader.EOC) + report_crc = self.__recv_int() + self.__getSync() + if report_crc != expect_crc: + print("Expected 0x%x" % expect_crc) + print("Got 0x%x" % report_crc) + raise RuntimeError("Program CRC failed") + + # get basic data about the board + def identify(self): + # make sure we are in sync before starting + self.__sync() + + # get the bootloader protocol ID first + self.bl_rev = self.__getInfo(uploader.INFO_BL_REV) + if (self.bl_rev < uploader.BL_REV_MIN) or (self.bl_rev > uploader.BL_REV_MAX): + print("Unsupported bootloader protocol %d" % uploader.INFO_BL_REV) + raise RuntimeError("Bootloader protocol mismatch") + + self.board_type = self.__getInfo(uploader.INFO_BOARD_ID) + self.board_rev = self.__getInfo(uploader.INFO_BOARD_REV) + self.fw_maxsize = self.__getInfo(uploader.INFO_FLASH_SIZE) + + # upload the firmware + def upload(self, fw): + # Make sure we are doing the right thing + if self.board_type != fw.property('board_id'): + raise RuntimeError("Firmware not suitable for this board (run 'make configure_px4fmu && make clean' or 'make configure_px4io && make clean' to reconfigure).") + if self.fw_maxsize < fw.property('image_size'): + raise RuntimeError("Firmware image is too large for this board") + + print("erase...") + self.__erase() + + print("program...") + self.__program(fw) + + print("verify...") + if self.bl_rev == 2: + self.__verify_v2(fw) + else: + self.__verify_v3(fw) + + print("done, rebooting.") + self.__reboot() + self.port.close() + + +# Parse commandline arguments +parser = argparse.ArgumentParser(description="Firmware uploader for the PX autopilot system.") +parser.add_argument('--port', action="store", required=True, help="Serial port(s) to which the FMU may be attached") +parser.add_argument('--baud', action="store", type=int, default=115200, help="Baud rate of the serial port (default is 115200), only required for true serial ports.") +parser.add_argument('firmware', action="store", help="Firmware file to be uploaded") +args = parser.parse_args() + +# Load the firmware file +fw = firmware(args.firmware) +print("Loaded firmware for %x,%x, waiting for the bootloader..." % (fw.property('board_id'), fw.property('board_revision'))) + +# Spin waiting for a device to show up +while True: + for port in args.port.split(","): + + #print("Trying %s" % port) + + # create an uploader attached to the port + try: + if "linux" in _platform: + # Linux, don't open Mac OS and Win ports + if not "COM" in port and not "tty.usb" in port: + up = uploader(port, args.baud) + elif "darwin" in _platform: + # OS X, don't open Windows and Linux ports + if not "COM" in port and not "ACM" in port: + up = uploader(port, args.baud) + elif "win" in _platform: + # Windows, don't open POSIX ports + if not "/" in port: + up = uploader(port, args.baud) + except: + # open failed, rate-limit our attempts + time.sleep(0.05) + + # and loop to the next port + continue + + # port is open, try talking to it + try: + # identify the bootloader + up.identify() + print("Found board %x,%x bootloader rev %x on %s" % (up.board_type, up.board_rev, up.bl_rev, port)) + + except: + # most probably a timeout talking to the port, no bootloader + continue + + try: + # ok, we have a bootloader, try flashing it + up.upload(fw) + + except RuntimeError as ex: + + # print the error + print("ERROR: %s" % ex.args) + + finally: + # always close the port + up.close() + + # we could loop here if we wanted to wait for more boards... + sys.exit(0) diff --git a/nuttx-configs/px4fmu-v1/tools/upload.sh b/nuttx-configs/px4fmu-v1/tools/upload.sh new file mode 100755 index 000000000..4e6597b3a --- /dev/null +++ b/nuttx-configs/px4fmu-v1/tools/upload.sh @@ -0,0 +1,27 @@ +#!/bin/sh +# +# Wrapper to upload a PX4 firmware binary +# +TOOLS=`dirname $0` +MKFW=${TOOLS}/px_mkfw.py +UPLOAD=${TOOLS}/px_uploader.py + +BINARY=nuttx.bin +PAYLOAD=nuttx.px4 +PORTS="/dev/tty.usbmodemPX1,/dev/tty.usbmodemPX2,/dev/tty.usbmodemPX3,/dev/tty.usbmodemPX4,/dev/tty.usbmodem1,/dev/tty.usbmodem2,/dev/tty.usbmodem3,/dev/tty.usbmodem4" + +function abort() { + echo "ABORT: $*" + exit 1 +} + +if [ ! -f ${MKFW} -o ! -f ${UPLOAD} ]; then + abort "Missing tools ${MKFW} and/or ${UPLOAD}" +fi +if [ ! -f ${BINARY} ]; then + abort "Missing nuttx binary in current directory." +fi + +rm -f ${PAYLOAD} +${MKFW} --board_id 5 --image ${BINARY} > ${PAYLOAD} +${UPLOAD} --port ${PORTS} ${PAYLOAD} |