mirror of
https://github.com/Ai-Thinker-Open/Ai-Thinker-Open_RTL8710BX_ALIOS_SDK.git
synced 2025-01-30 00:45:22 +00:00
699 lines
27 KiB
Python
Executable file
699 lines
27 KiB
Python
Executable file
#!/usr/bin/env python
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from __future__ import division
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from functools import partial
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import sys
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import os
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import serial
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import time
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import platform
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import logging
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# MODEM Protocol bytes
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NUL = b'\x00'
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SOH = b'\x01'
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STX = b'\x02'
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EOT = b'\x04'
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ACK = b'\x06'
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DLE = b'\x10'
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NAK = b'\x15'
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CAN = b'\x18'
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CRC = b'C'
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LOG_LEVEL_ERROR=0
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LOG_LEVEL_WARN =1
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LOG_LEVEL_INFO =2
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LOG_LEVEL_DEBUG=3
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class XMODEM(object):
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'''
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XMODEM Protocol handler, expects an object to read from and an object to
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write to.
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>>> def getc(size, timeout=1):
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... return data or None
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...
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>>> def putc(data, timeout=1):
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... return size or None
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...
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>>> modem = XMODEM(getc, putc)
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:param getc: Function to retrieve bytes from a stream
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:type getc: callable
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:param putc: Function to transmit bytes to a stream
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:type putc: callable
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:param mode: XMODEM protocol mode
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:type mode: string
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:param pad: Padding character to make the packets match the packet size
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:type pad: char
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'''
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# crctab calculated by Mark G. Mendel, Network Systems Corporation
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crctable = [
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
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0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
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0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
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0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
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0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
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0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
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0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
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0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
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0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
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0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
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0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
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0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,
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]
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def __init__(self, getc, putc, mode='xmodem', pad=b'\x1a'):
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self.getc = getc
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self.putc = putc
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self.mode = mode
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self.pad = pad
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self.log_level = LOG_LEVEL_WARN
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def log(self, log_level, logstr):
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if log_level <= self.log_level:
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print logstr
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def abort(self, count=2, timeout=60):
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'''
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Send an abort sequence using CAN bytes.
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'''
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for _ in range(count):
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self.putc(CAN, timeout)
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def send(self, stream, retry=16, timeout=60, quiet=False, callback=None):
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'''
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Send a stream via the XMODEM protocol.
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>>> stream = open('/etc/issue', 'rb')
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>>> print(modem.send(stream))
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True
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Returns ``True`` upon successful transmission or ``False`` in case of
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failure.
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:param stream: The stream object to send data from.
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:type stream: stream (file, etc.)
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:param retry: The maximum number of times to try to resend a failed
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packet before failing.
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:type retry: int
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:param timeout: The number of seconds to wait for a response before
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timing out.
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:type timeout: int
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:param quiet: If True, write transfer information to stderr.
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:type quiet: bool
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:param callback: Reference to a callback function that has the
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following signature. This is useful for
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getting status updates while a xmodem
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transfer is underway.
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Expected callback signature:
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def callback(total_packets, success_count, error_count)
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:type callback: callable
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'''
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# initialize protocol
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try:
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packet_size = dict(
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xmodem = 128,
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xmodem1k = 1024,
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ymodem = 1024,
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)[self.mode]
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except KeyError:
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raise ValueError("Invalid mode specified: {self.mode!r}"
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.format(self=self))
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self.log(LOG_LEVEL_DEBUG, 'Begin start sequence, packet_size={0:d}'.format(packet_size))
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error_count = 0
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crc_mode = 0
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cancel = 0
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while True:
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char = self.getc(1)
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if char:
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if char == NAK:
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self.log(LOG_LEVEL_DEBUG, 'standard checksum requested (NAK).')
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crc_mode = 0
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break
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elif char == CRC:
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self.log(LOG_LEVEL_DEBUG, '16-bit CRC requested (CRC).')
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crc_mode = 1
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break
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elif char == CAN:
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if not quiet:
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sys.stderr.write('received CAN\n')
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if cancel:
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self.log(LOG_LEVEL_INFO, 'Transmission canceled: received 2xCAN at start-sequence')
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return False
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else:
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self.log(LOG_LEVEL_DEBUG, 'cancellation at start sequence.')
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cancel = 1
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else:
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self.log(LOG_LEVEL_ERROR, 'send error: expected NAK, CRC, or CAN; got {0}'.format(char))
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error_count += 1
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if error_count > retry:
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self.log(LOG_LEVEL_INFO, 'send error: error_count reached {0}, aborting.'.format(retry))
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self.abort(timeout=timeout)
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return False
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# send data
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error_count = 0
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success_count = 0
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total_packets = 0
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image_size = 0 # the size of binary
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max_cnt = 0 # the count is to be added when the frame(sequence) over 255(max block: 255k bytes)
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if self.mode == 'ymodem':
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sequence = 0
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filenames = stream
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else:
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sequence = 1
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while True:
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# build packet
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if self.mode == 'ymodem' and success_count == 0:
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# send packet sequence 0 containing:
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# Filename Length [Modification-Date [Mode [Serial-Number]]]
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# 'stream' is actually the filename
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import os
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if len(filenames):
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filename = filenames.pop()
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stream = open(filename, 'rb')
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stat = os.stat(filename)
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data = os.path.basename(filename) + NUL + str(stat.st_size)
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image_size = stat.st_size
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self.log(LOG_LEVEL_DEBUG, 'ymodem sending : {0} len:{1}'.format(filename, stat.st_size))
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else:
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# empty file name packet terminates transmission
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filename = ''
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data = ''
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stream = None
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self.log(LOG_LEVEL_DEBUG, 'ymodem done, sending empty header.')
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if len(data) <= 128:
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header_size = 128
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else:
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header_size = 1024
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header = self._make_send_header(header_size, sequence)
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data = data.ljust(header_size, NUL)
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checksum = self._make_send_checksum(crc_mode, data)
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else:
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# happens after sending ymodem empty filename
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if not stream:
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return True
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# normal data packet
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data = stream.read(packet_size)
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if not data:
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# end of stream
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self.log(LOG_LEVEL_DEBUG, 'send: at EOF')
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break
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total_packets += 1
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header = self._make_send_header(packet_size, sequence)
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data = data.ljust(packet_size, self.pad)
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checksum = self._make_send_checksum(crc_mode, data)
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# emit packet & get ACK
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while True:
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if (sequence == 255): max_cnt += 1
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if (image_size != 0):
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send_percent = (sequence + max_cnt*255)*100.0/(image_size/1000.0)
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if (round(send_percent)%5 == 0):
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print('[INFO]:send image process:%d%%\n' % send_percent)
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self.putc(header + data + checksum)
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time.sleep(0.1) # 100ms is needed to make more robust for differnt platform
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char = self.getc(1, timeout)
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if char == ACK:
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success_count += 1
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if callable(callback):
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callback(total_packets, success_count, error_count)
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error_count = 0
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if self.mode == 'ymodem' and success_count == 1 and len(filename):
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char = self.getc(1, timeout)
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if char == DLE: # dunno why
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char = self.getc(1, timeout)
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if char == CRC:
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break
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self.log(LOG_LEVEL_ERROR, 'send error: ymodem expected CRC; got {0} for block {1}'.format(char, sequence))
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else:
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break
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if char == CRC:
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curtime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
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self.log(LOG_LEVEL_ERROR, 'Got {0} for block {1} ts:{2}'.format(char, sequence, curtime))
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continue
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error_count += 1
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if callable(callback):
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callback(total_packets, success_count, error_count)
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if error_count > retry:
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# excessive amounts of retransmissions requested,
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# abort transfer
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self.log(LOG_LEVEL_ERROR, 'send error: NAK received {0} times, aborting.'.format(error_count))
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self.abort(timeout=timeout)
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return False
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# keep track of sequence
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sequence = (sequence + 1) % 0x100
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# emit EOT and get corresponding ACK
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while True:
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print('[INFO]:send image process:100%\n')
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self.log(LOG_LEVEL_DEBUG, 'sending EOT, awaiting ACK')
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# end of transmission
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self.putc(EOT)
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# An ACK should be returned
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char = self.getc(1, timeout)
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if char == ACK:
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break
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else:
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self.log(LOG_LEVEL_ERROR, 'send error: expected ACK; got {0}'.format(char))
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error_count += 1
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if error_count > retry:
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self.log(LOG_LEVEL_WARN, 'EOT was not ACKd, aborting transfer')
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self.abort(timeout=timeout)
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return False
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self.log(LOG_LEVEL_INFO, 'Transmission successful (ACK received).')
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if self.mode == 'ymodem':
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# YMODEM - recursively send next file
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# or empty filename header to end the xfer batch.
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stream.close()
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return self.send(filenames, retry, timeout, quiet, callback)
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return True
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def _make_send_header(self, packet_size, sequence):
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assert packet_size in (128, 1024), packet_size
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_bytes = []
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if packet_size == 128:
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_bytes.append(ord(SOH))
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elif packet_size == 1024:
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_bytes.append(ord(STX))
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_bytes.extend([sequence, 0xff - sequence])
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return bytearray(_bytes)
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def _make_send_checksum(self, crc_mode, data):
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_bytes = []
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if crc_mode:
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crc = self.calc_crc(data)
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_bytes.extend([crc >> 8, crc & 0xff])
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else:
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crc = self.calc_checksum(data)
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_bytes.append(crc)
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return bytearray(_bytes)
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def recv(self, stream, crc_mode=1, retry=16, timeout=60, delay=1, quiet=0):
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'''
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Receive a stream via the XMODEM protocol.
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>>> stream = open('/etc/issue', 'wb')
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>>> print(modem.recv(stream))
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2342
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Returns the number of bytes received on success or ``None`` in case of
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failure.
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'''
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# initiate protocol
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error_count = 0
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char = 0
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cancel = 0
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while True:
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# first try CRC mode, if this fails,
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# fall back to checksum mode
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if error_count >= retry:
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self.log(LOG_LEVEL_INFO, 'error_count reached {0}, aborting.'.format(retry))
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self.abort(timeout=timeout)
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return None
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elif crc_mode and error_count < (retry // 2):
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if not self.putc(CRC):
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self.log(LOG_LEVEL_DEBUG, 'recv error: putc failed, sleeping for {0}'.format(delay))
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time.sleep(delay)
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error_count += 1
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else:
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crc_mode = 0
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if not self.putc(NAK):
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self.log(LOG_LEVEL_DEBUG, 'recv error: putc failed, sleeping for {0}'.format(delay))
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time.sleep(delay)
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error_count += 1
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char = self.getc(1, timeout)
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if char is None:
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self.log(LOG_LEVEL_WARN, 'recv error: getc timeout in start sequence')
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error_count += 1
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continue
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elif char == SOH:
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self.log(LOG_LEVEL_DEBUG, 'recv: SOH')
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break
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elif char == STX:
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self.log(LOG_LEVEL_DEBUG, 'recv: STX')
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break
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elif char == CAN:
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if cancel:
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self.log(LOG_LEVEL_INFO, 'Transmission canceled: received 2xCAN at start-sequence')
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return None
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else:
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self.log(LOG_LEVEL_DEBUG, 'cancellation at start sequence.')
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cancel = 1
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else:
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error_count += 1
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# read data
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error_count = 0
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income_size = 0
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packet_size = 128
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sequence = 1
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cancel = 0
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while True:
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while True:
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if char == SOH:
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if packet_size != 128:
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self.log(LOG_LEVEL_DEBUG, 'recv: SOH, using 128b packet_size')
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packet_size = 128
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break
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elif char == STX:
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if packet_size != 1024:
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self.log(LOG_LEVEL_DEBUG, 'recv: SOH, using 1k packet_size')
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packet_size = 1024
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break
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elif char == EOT:
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# We received an EOT, so send an ACK and return the
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# received data length.
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self.putc(ACK)
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self.log(LOG_LEVEL_INFO, "Transmission complete, {0} bytes".format(income_size))
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return income_size
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elif char == CAN:
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# cancel at two consecutive cancels
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if cancel:
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self.log(LOG_LEVEL_INFO, 'Transmission canceled: received 2xCAN at block {0}'.format(sequence))
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return None
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else:
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self.log(LOG_LEVEL_DEBUG, 'cancellation at block {0}'.format(sequence))
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cancel = 1
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else:
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err_msg = ('recv error: expected SOH, EOT; got {0}'.format(char))
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if not quiet:
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sys.stderr.write(err_msg+"\n")
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self.log(LOG_LEVEL_WARN, err_msg)
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error_count += 1
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if error_count > retry:
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self.log(LOG_LEVEL_INFO, 'error_count reached {0}, aborting.'.format(retry))
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self.abort()
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return None
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# read sequence
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error_count = 0
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cancel = 0
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self.log(LOG_LEVEL_DEBUG, 'recv: data block {0}'.format(sequence))
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seq1 = self.getc(1, timeout)
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if seq1 is None:
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self.log(LOG_LEVEL_WARN, 'getc failed to get first sequence byte')
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seq2 = None
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else:
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seq1 = ord(seq1)
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seq2 = self.getc(1, timeout)
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if seq2 is None:
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self.log(LOG_LEVEL_WARN, 'getc failed to get second sequence byte')
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else:
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# second byte is the same as first as 1's complement
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seq2 = 0xff - ord(seq2)
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if not (seq1 == seq2 == sequence):
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|
# consume data anyway ... even though we will discard it,
|
|
# it is not the sequence we expected!
|
|
err_msg = 'expected sequence {0}, got (seq1={1}, seq2={2}), \
|
|
receiving next block, will NAK.'.format(sequence, seq1, seq2)
|
|
self.log(LOG_LEVEL_ERROR, err_msg)
|
|
self.getc(packet_size + 1 + crc_mode)
|
|
else:
|
|
# sequence is ok, read packet
|
|
# packet_size + checksum
|
|
data = self.getc(packet_size + 1 + crc_mode, timeout)
|
|
valid, data = self._verify_recv_checksum(crc_mode, data)
|
|
|
|
# valid data, append chunk
|
|
if valid:
|
|
income_size += len(data)
|
|
stream.write(data)
|
|
self.putc(ACK)
|
|
sequence = (sequence + 1) % 0x100
|
|
time.sleep(0.1) #100ms is needed to be robust for differnt platform
|
|
# get next start-of-header byte
|
|
char = self.getc(1, timeout)
|
|
continue
|
|
|
|
# something went wrong, request retransmission
|
|
self.log(LOG_LEVEL_WARN, 'recv error: purge, requesting retransmission (NAK)')
|
|
while True:
|
|
# When the receiver wishes to <nak>, it should call a "PURGE"
|
|
# subroutine, to wait for the line to clear. Recall the sender
|
|
# tosses any characters in its UART buffer immediately upon
|
|
# completing sending a block, to ensure no glitches were mis-
|
|
# interpreted. The most common technique is for "PURGE" to
|
|
# call the character receive subroutine, specifying a 1-second
|
|
# timeout, and looping back to PURGE until a timeout occurs.
|
|
# The <nak> is then sent, ensuring the other end will see it.
|
|
data = self.getc(1, timeout=1)
|
|
if data is None:
|
|
break
|
|
assert False, data
|
|
self.putc(NAK)
|
|
# get next start-of-header byte
|
|
time.sleep(0.1) #100ms is needed to be robust for differnt platform
|
|
char = self.getc(1, timeout)
|
|
continue
|
|
|
|
def _verify_recv_checksum(self, crc_mode, data):
|
|
if crc_mode:
|
|
_checksum = bytearray(data[-2:])
|
|
their_sum = (_checksum[0] << 8) + _checksum[1]
|
|
data = data[:-2]
|
|
|
|
our_sum = self.calc_crc(data)
|
|
valid = bool(their_sum == our_sum)
|
|
if not valid:
|
|
self.log(LOG_LEVEL_WARN, 'recv error: checksum fail (theirs={0:04x}, ours={1:04x}), '.format(their_sum, our_sum))
|
|
else:
|
|
_checksum = bytearray([data[-1]])
|
|
their_sum = _checksum[0]
|
|
data = data[:-1]
|
|
|
|
our_sum = self.calc_checksum(data)
|
|
valid = their_sum == our_sum
|
|
if not valid:
|
|
self.log(LOG_LEVEL_WARN, 'recv error: checksum fail (theirs={0:02x}, ours={1:02x})'.forma(their_sum, our_sum))
|
|
return valid, data
|
|
|
|
def calc_checksum(self, data, checksum=0):
|
|
'''
|
|
Calculate the checksum for a given block of data, can also be used to
|
|
update a checksum.
|
|
|
|
>>> csum = modem.calc_checksum('hello')
|
|
>>> csum = modem.calc_checksum('world', csum)
|
|
>>> hex(csum)
|
|
'0x3c'
|
|
|
|
'''
|
|
if platform.python_version_tuple() >= ('3', '0', '0'):
|
|
return (sum(data) + checksum) % 256
|
|
else:
|
|
return (sum(map(ord, data)) + checksum) % 256
|
|
|
|
def calc_crc(self, data, crc=0):
|
|
'''
|
|
Calculate the Cyclic Redundancy Check for a given block of data, can
|
|
also be used to update a CRC.
|
|
|
|
>>> crc = modem.calc_crc('hello')
|
|
>>> crc = modem.calc_crc('world', crc)
|
|
>>> hex(crc)
|
|
'0xd5e3'
|
|
|
|
'''
|
|
for char in bytearray(data):
|
|
crctbl_idx = ((crc >> 8) ^ char) & 0xff
|
|
crc = ((crc << 8) ^ self.crctable[crctbl_idx]) & 0xffff
|
|
return crc & 0xffff
|
|
|
|
port = 0
|
|
prcss_debug = False
|
|
modem_debug = False
|
|
|
|
def getc(size, timeout=1):
|
|
port.timeout = timeout
|
|
ret = port.read(size)
|
|
if modem_debug:
|
|
print "read:",
|
|
print ret,
|
|
print ", {0} bytes".format(len(ret))
|
|
return ret
|
|
|
|
def putc(data, timeout=1):
|
|
port.timeout = timeout
|
|
len = port.write(data)
|
|
if modem_debug:
|
|
print "{0} bytes writen".format(len)
|
|
return len
|
|
|
|
def send_file(filename):
|
|
modem = XMODEM(getc, putc, mode="ymodem")
|
|
return modem.send([filename])
|
|
|
|
def assert_response(patterns, timeout):
|
|
port.timeout = 0.01
|
|
timeout_tick = time.time() + timeout
|
|
while True:
|
|
line = port.readline()
|
|
if prcss_debug and len(line):
|
|
print line
|
|
for pattern in patterns:
|
|
if pattern in line:
|
|
return True
|
|
if time.time() > timeout_tick:
|
|
return False
|
|
|
|
def print_usage():
|
|
print "Usage: {0} port [-a app.bin] [-b bootloader.bin] [-d driver.bin] [--bootloader-baudrate 921600] [--application-baudrate 115200] [--noboot]\n".format(sys.argv[0])
|
|
print " examples: python {0} /dev/ttyUSB0 -a app.bin, to update app only".format(sys.argv[0])
|
|
print " : python {0} /dev/ttyUSB1 -b bootloader.bin -a app.bin, to update bootloader and app".format(sys.argv[0])
|
|
print " : python {0} /dev/ttyUSB0 -a app.bin -d driver.bin, to update app and driver".format(sys.argv[0])
|
|
|
|
if len(sys.argv) < 4:
|
|
print_usage()
|
|
sys.exit(1)
|
|
|
|
device = sys.argv[1]
|
|
|
|
updates=[]
|
|
bootloader_baudrate=921600
|
|
application_baudrate=921600
|
|
bootapp = True
|
|
hardreboot = False
|
|
|
|
i = 2
|
|
update = 0
|
|
while i < len(sys.argv):
|
|
if sys.argv[i].startswith("0x") and (i + 1) < len(sys.argv):
|
|
if os.path.isfile(sys.argv[i+1]) == False:
|
|
sys.stderr.write("error: file {0} does not exist\n".format(sys.argv[i+1]))
|
|
sys.exit(1)
|
|
updates.append([sys.argv[i], sys.argv[i+1]])
|
|
update += 1
|
|
i += 1
|
|
elif sys.argv[i] == "--bootloader-baudrate" and (i + 1) < len(sys.argv):
|
|
try:
|
|
bootloader_baudrate = int(sys.argv[i+1])
|
|
except:
|
|
sys.stderr.write("error: invalid bootload baudrate value {0}\n".format(sys.argv[i+1]))
|
|
sys.exit(1)
|
|
i += 1
|
|
elif sys.argv[i] == "--application-baudrate" and (i + 1) < len(sys.argv):
|
|
try:
|
|
application_baudrate = int(sys.argv[i+1])
|
|
except:
|
|
sys.stderr.write("error: invalid bootload baudrate value {0}\n".format(sys.argv[i+1]))
|
|
sys.exit(1)
|
|
i += 1
|
|
elif sys.argv[i] == "--hardreset":
|
|
hardreboot = True
|
|
elif sys.argv[i] == "--noappboot":
|
|
bootapp = False
|
|
i += 1
|
|
|
|
if update <= 0:
|
|
sys.exit(0)
|
|
|
|
try:
|
|
port = serial.Serial(device, bootloader_baudrate, timeout = 0.05)
|
|
port.setRTS(False)
|
|
except:
|
|
sys.stderr.write("error: unable to open {0}\n".format(device))
|
|
sys.exit(1)
|
|
|
|
if hardreboot == False:
|
|
port.write("a\r\n") #abort potential ongoing YMODEM transfer
|
|
port.flushInput()
|
|
port.write("help\r\n")
|
|
if assert_response(["bootloader", "read [address] [size]"], 1) == False:
|
|
if application_baudrate != bootloader_baudrate:
|
|
port.baudrate = application_baudrate
|
|
port.flushInput()
|
|
port.write("dummycmd_for_flushing_purpose\r\n")
|
|
time.sleep(0.1)
|
|
port.write("reboot\r\n")
|
|
if assert_response(["reboot"] , 1) == False:
|
|
sys.stderr.write("error: failed to reboot the board, it did not respond to \"reboot\" command\n")
|
|
sys.exit(1)
|
|
if application_baudrate != bootloader_baudrate:
|
|
port.baudrate = bootloader_baudrate
|
|
time.sleep(0.11); port.write(" ") #0.11s
|
|
time.sleep(0.03); port.write(" ") #0.14s
|
|
time.sleep(0.03); port.write(" ") #0.17s
|
|
time.sleep(0.03); port.write(" ") #0.20s
|
|
time.sleep(0.03); port.write(" ") #0.23s
|
|
time.sleep(0.03); port.write(" \r\n") #0.26s
|
|
if assert_response(["ootloader", "BOOTLODER"], 1) == False:
|
|
sys.stderr.write("error: failed to enter bootloader\n")
|
|
sys.exit(1)
|
|
else:
|
|
port.setRTS(True)
|
|
time.sleep(0.1)
|
|
port.setRTS(False)
|
|
time.sleep(0.11); port.write(" ") #0.11s
|
|
time.sleep(0.03); port.write(" ") #0.14s
|
|
time.sleep(0.03); port.write(" ") #0.17s
|
|
time.sleep(0.03); port.write(" ") #0.20s
|
|
time.sleep(0.03); port.write(" ") #0.23s
|
|
time.sleep(0.03); port.write(" \r\n") #0.26s
|
|
if assert_response(["bootloader"], 1) == False:
|
|
sys.stderr.write("error: failed to enter bootloader\n")
|
|
sys.exit(1)
|
|
port.flushInput()
|
|
|
|
failed_num = 0
|
|
for [addr, image] in updates:
|
|
status_str = "[INFO]: updating {0} with {1} @ address {2} ...".format(device, image, addr)
|
|
print status_str
|
|
port.write("write {0}\r\n".format(addr))
|
|
time.sleep(0.5) #500ms is needed to be robust for differnt platform
|
|
if assert_response(["Waiting for the file to be sent"], 1) == False:
|
|
sys.stderr.write("error: waiting for target to enter into YMODEM recived mode failed\n")
|
|
sys.exit(1)
|
|
result = send_file(image)
|
|
if result == True:
|
|
status_str = status_str + " succeed"
|
|
else:
|
|
status_str = status_str + " failed"
|
|
failed_num += 1
|
|
print status_str
|
|
|
|
if bootapp and failed_num == 0:
|
|
port.write("boot\r\n")
|
|
assert_response(["Booting......"], 1)
|
|
port.close()
|
|
sys.exit(failed_num)
|
|
|