Update IDF to 3.2-3276a13 and esptool.py to 2.5.0 (#1878)

* TX Flow Control and Code cleanup

* Use semaphore instead of delay

TX functionality is done.

* Use single buffer and empty queue on exit

* Fix compile issues because of LwIP code relocation

* Add temporary header to fix Azure not compiling

* Fix AsyncUDP early init

* AsyncUDP Multicast fixes

* Add source mac address and rework multicast

* Allow redefinition of default pins for Serials 1 and 2

* Update IDF to 3276a13

* Update esptool.py to 2.5.0

* Fix sketches

* Fix log level in BluetoothSetial
This commit is contained in:
Me No Dev
2018-09-21 08:39:36 +02:00
committed by GitHub
parent 4e96bffe0e
commit 96822d783f
447 changed files with 37993 additions and 10849 deletions

View File

@ -20,6 +20,7 @@ from __future__ import division, print_function
import argparse
import base64
import binascii
import copy
import hashlib
import inspect
@ -30,10 +31,27 @@ import struct
import sys
import time
import zlib
import string
import serial.tools.list_ports as list_ports
import serial
__version__ = "2.3.1"
# check 'serial' is 'pyserial' and not 'serial' https://github.com/espressif/esptool/issues/269
try:
if "serialization" in serial.__doc__ and "deserialization" in serial.__doc__:
raise ImportError("""
esptool.py depends on pyserial, but there is a conflict with a currently installed package named 'serial'.
You may be able to work around this by 'pip uninstall serial; pip install pyserial' \
but this may break other installed Python software that depends on 'serial'.
There is no good fix for this right now, apart from configuring virtualenvs. \
See https://github.com/espressif/esptool/issues/269#issuecomment-385298196 for discussion of the underlying issue(s).""")
except TypeError:
pass # __doc__ returns None for pyserial
__version__ = "2.5.0"
MAX_UINT32 = 0xffffffff
MAX_UINT24 = 0xffffff
@ -45,6 +63,8 @@ MAX_TIMEOUT = CHIP_ERASE_TIMEOUT * 2 # longest any command can run
SYNC_TIMEOUT = 0.1 # timeout for syncing with bootloader
MD5_TIMEOUT_PER_MB = 8 # timeout (per megabyte) for calculating md5sum
ERASE_REGION_TIMEOUT_PER_MB = 30 # timeout (per megabyte) for erasing a region
MEM_END_ROM_TIMEOUT = 0.05 # special short timeout for ESP_MEM_END, as it may never respond
DEFAULT_SERIAL_WRITE_TIMEOUT = 10 # timeout for serial port write
def timeout_per_mb(seconds_per_mb, size_bytes):
@ -112,7 +132,7 @@ def esp8266_function_only(func):
class ESPLoader(object):
""" Base class providing access to ESP ROM & softtware stub bootloaders.
""" Base class providing access to ESP ROM & software stub bootloaders.
Subclasses provide ESP8266 & ESP32 specific functionality.
Don't instantiate this base class directly, either instantiate a subclass or
@ -200,6 +220,8 @@ class ESPLoader(object):
# https://github.com/espressif/esptool/issues/44#issuecomment-107094446
self._set_port_baudrate(baud)
self._trace_enabled = trace_enabled
# set write timeout, to prevent esptool blocked at write forever.
self._port.write_timeout = DEFAULT_SERIAL_WRITE_TIMEOUT
def _set_port_baudrate(self, baud):
try:
@ -243,7 +265,7 @@ class ESPLoader(object):
buf = b'\xc0' \
+ (packet.replace(b'\xdb',b'\xdb\xdd').replace(b'\xc0',b'\xdb\xdc')) \
+ b'\xc0'
self.trace("Write %d bytes: %r", len(buf), buf)
self.trace("Write %d bytes: %s", len(buf), HexFormatter(buf))
self._port.write(buf)
def trace(self, message, *format_args):
@ -278,8 +300,8 @@ class ESPLoader(object):
try:
if op is not None:
self.trace("command op=0x%02x data len=%s wait_response=%d timeout=%.3f data=%r",
op, len(data), 1 if wait_response else 0, timeout, data)
self.trace("command op=0x%02x data len=%s wait_response=%d timeout=%.3f data=%s",
op, len(data), 1 if wait_response else 0, timeout, HexFormatter(data))
pkt = struct.pack(b'<BBHI', 0x00, op, len(data), chk) + data
self.write(pkt)
@ -342,6 +364,16 @@ class ESPLoader(object):
for i in range(7):
self.command()
def _setDTR(self, state):
self._port.setDTR(state)
def _setRTS(self, state):
self._port.setRTS(state)
# Work-around for adapters on Windows using the usbser.sys driver:
# generate a dummy change to DTR so that the set-control-line-state
# request is sent with the updated RTS state and the same DTR state
self._port.setDTR(self._port.dtr)
def _connect_attempt(self, mode='default_reset', esp32r0_delay=False):
""" A single connection attempt, with esp32r0 workaround options """
# esp32r0_delay is a workaround for bugs with the most common auto reset
@ -355,6 +387,11 @@ class ESPLoader(object):
# Details: https://github.com/espressif/esptool/issues/136
last_error = None
# If we're doing no_sync, we're likely communicating as a pass through
# with an intermediate device to the ESP32
if mode == "no_reset_no_sync":
return last_error
# issue reset-to-bootloader:
# RTS = either CH_PD/EN or nRESET (both active low = chip in reset
# DTR = GPIO0 (active low = boot to flasher)
@ -362,23 +399,23 @@ class ESPLoader(object):
# DTR & RTS are active low signals,
# ie True = pin @ 0V, False = pin @ VCC.
if mode != 'no_reset':
self._port.setDTR(False) # IO0=HIGH
self._port.setRTS(True) # EN=LOW, chip in reset
self._setDTR(False) # IO0=HIGH
self._setRTS(True) # EN=LOW, chip in reset
time.sleep(0.1)
if esp32r0_delay:
# Some chips are more likely to trigger the esp32r0
# watchdog reset silicon bug if they're held with EN=LOW
# for a longer period
time.sleep(1.2)
self._port.setDTR(True) # IO0=LOW
self._port.setRTS(False) # EN=HIGH, chip out of reset
self._setDTR(True) # IO0=LOW
self._setRTS(False) # EN=HIGH, chip out of reset
if esp32r0_delay:
# Sleep longer after reset.
# This workaround only works on revision 0 ESP32 chips,
# it exploits a silicon bug spurious watchdog reset.
time.sleep(0.4) # allow watchdog reset to occur
time.sleep(0.05)
self._port.setDTR(False) # IO0=HIGH, done
self._setDTR(False) # IO0=HIGH, done
for _ in range(5):
try:
@ -403,7 +440,7 @@ class ESPLoader(object):
last_error = None
try:
for _ in range(10):
for _ in range(7):
last_error = self._connect_attempt(mode=mode, esp32r0_delay=False)
if last_error is None:
return
@ -431,6 +468,18 @@ class ESPLoader(object):
""" Start downloading an application image to RAM """
def mem_begin(self, size, blocks, blocksize, offset):
if self.IS_STUB: # check we're not going to overwrite a running stub with this data
stub = self.STUB_CODE
load_start = offset
load_end = offset + size
for (start, end) in [(stub["data_start"], stub["data_start"] + len(stub["data"])),
(stub["text_start"], stub["text_start"] + len(stub["text"]))]:
if load_start < end and load_end > start:
raise FatalError(("Software loader is resident at 0x%08x-0x%08x. " +
"Can't load binary at overlapping address range 0x%08x-0x%08x. " +
"Either change binary loading address, or use the --no-stub " +
"option to disable the software loader.") % (start, end, load_start, load_end))
return self.check_command("enter RAM download mode", self.ESP_MEM_BEGIN,
struct.pack('<IIII', size, blocks, blocksize, offset))
@ -442,8 +491,19 @@ class ESPLoader(object):
""" Leave download mode and run the application """
def mem_finish(self, entrypoint=0):
return self.check_command("leave RAM download mode", self.ESP_MEM_END,
struct.pack('<II', int(entrypoint == 0), entrypoint))
# Sending ESP_MEM_END usually sends a correct response back, however sometimes
# (with ROM loader) the executed code may reset the UART or change the baud rate
# before the transmit FIFO is empty. So in these cases we set a short timeout and
# ignore errors.
timeout = DEFAULT_TIMEOUT if self.IS_STUB else MEM_END_ROM_TIMEOUT
data = struct.pack('<II', int(entrypoint == 0), entrypoint)
try:
return self.check_command("leave RAM download mode", self.ESP_MEM_END,
data=data, timeout=timeout)
except FatalError:
if self.IS_STUB:
raise
pass
""" Start downloading to Flash (performs an erase)
@ -822,9 +882,9 @@ class ESPLoader(object):
self.run_spiflash_command(SPIFLASH_WRDI)
def hard_reset(self):
self._port.setRTS(True) # EN->LOW
self._setRTS(True) # EN->LOW
time.sleep(0.1)
self._port.setRTS(False)
self._setRTS(False)
def soft_reset(self, stay_in_bootloader):
if not self.IS_STUB:
@ -892,7 +952,7 @@ class ESP8266ROM(ESPLoader):
return "ESP8285" if is_8285 else "ESP8266EX"
def get_chip_features(self):
features = [ "WiFi" ]
features = ["WiFi"]
if self.get_chip_description() == "ESP8285":
features += ["Embedded Flash"]
return features
@ -911,7 +971,7 @@ class ESP8266ROM(ESPLoader):
super(ESP8266ROM, self).flash_set_parameters(size)
def chip_id(self):
""" Read Chip ID from OTP ROM - see http://esp8266-re.foogod.com/wiki/System_get_chip_id_%28IoT_RTOS_SDK_0.9.9%29 """
""" Read Chip ID from efuse - the equivalent of the SDK system_get_chip_id() function """
id0 = self.read_reg(self.ESP_OTP_MAC0)
id1 = self.read_reg(self.ESP_OTP_MAC1)
return (id0 >> 24) | ((id1 & MAX_UINT24) << 8)
@ -950,6 +1010,9 @@ class ESP8266ROM(ESPLoader):
else:
return (num_sectors - head_sectors) * sector_size
def override_vddsdio(self, new_voltage):
raise NotImplementedInROMError("Overriding VDDSDIO setting only applies to ESP32")
class ESP8266StubLoader(ESP8266ROM):
""" Access class for ESP8266 stub loader, runs on top of ROM.
@ -1002,17 +1065,13 @@ class ESP32ROM(ESPLoader):
BOOTLOADER_FLASH_OFFSET = 0x1000
OVERRIDE_VDDSDIO_CHOICES = ["1.8V", "1.9V", "OFF"]
def get_chip_description(self):
word3 = self.read_efuse(3)
chip_version = (word3 >> 12) & 0xF
chip_ver_rev1 = (word3 >> 15) & 0x1
pkg_version = (word3 >> 9) & 0x07
silicon_rev = {
0x0: "0",
0x8: "1",
0xc: "1", # Silicon rev 1 w/ BLK3_PART_RESERVE bit set
}.get(chip_version, "(unknown 0x%x)" % chip_version)
chip_name = {
0: "ESP32D0WDQ6",
1: "ESP32D0WDQ5",
@ -1020,27 +1079,41 @@ class ESP32ROM(ESPLoader):
5: "ESP32-PICO-D4",
}.get(pkg_version, "unknown ESP32")
return "%s (revision %s)" % (chip_name, silicon_rev)
return "%s (revision %d)" % (chip_name, chip_ver_rev1)
def get_chip_features(self):
features = ["WiFi"]
word3 = self.read_efuse(3)
if word3 & (1 << 1) == 0: # RD_CHIP_VER_DIS_BT
# names of variables in this section are lowercase
# versions of EFUSE names as documented in TRM and
# ESP-IDF efuse_reg.h
chip_ver_dis_bt = word3 & (1 << 1)
if chip_ver_dis_bt == 0:
features += ["BT"]
if word3 & (1 << 0): # RD_CHIP_VER_DIS_APP_CPU
chip_ver_dis_app_cpu = word3 & (1 << 0)
if chip_ver_dis_app_cpu:
features += ["Single Core"]
else:
features += ["Dual Core"]
chip_cpu_freq_rated = word3 & (1 << 13)
if chip_cpu_freq_rated:
chip_cpu_freq_low = word3 & (1 << 12)
if chip_cpu_freq_low:
features += ["160MHz"]
else:
features += ["240MHz"]
pkg_version = (word3 >> 9) & 0x07
if pkg_version != 0:
if pkg_version in [2, 4, 5]:
features += ["Embedded Flash"]
word4 = self.read_efuse(4)
vref = (word4 >> 8) & 0x1F
if vref != 0:
adc_vref = (word4 >> 8) & 0x1F
if adc_vref:
features += ["VRef calibration in efuse"]
return features
@ -1050,9 +1123,7 @@ class ESP32ROM(ESPLoader):
return self.read_reg(self.EFUSE_REG_BASE + (4 * n))
def chip_id(self):
word16 = self.read_efuse(1)
word17 = self.read_efuse(2)
return ((word17 & MAX_UINT24) << 24) | (word16 >> 8) & MAX_UINT24
raise NotSupportedError(self, "chip_id")
def read_mac(self):
""" Read MAC from EFUSE region """
@ -1067,6 +1138,28 @@ class ESP32ROM(ESPLoader):
def get_erase_size(self, offset, size):
return size
def override_vddsdio(self, new_voltage):
new_voltage = new_voltage.upper()
if new_voltage not in self.OVERRIDE_VDDSDIO_CHOICES:
raise FatalError("The only accepted VDDSDIO overrides are '1.8V', '1.9V' and 'OFF'")
RTC_CNTL_SDIO_CONF_REG = 0x3ff48074
RTC_CNTL_XPD_SDIO_REG = (1 << 31)
RTC_CNTL_DREFH_SDIO_M = (3 << 29)
RTC_CNTL_DREFM_SDIO_M = (3 << 27)
RTC_CNTL_DREFL_SDIO_M = (3 << 25)
# RTC_CNTL_SDIO_TIEH = (1 << 23) # not used here, setting TIEH=1 would set 3.3V output, not safe for esptool.py to do
RTC_CNTL_SDIO_FORCE = (1 << 22)
RTC_CNTL_SDIO_PD_EN = (1 << 21)
reg_val = RTC_CNTL_SDIO_FORCE # override efuse setting
reg_val |= RTC_CNTL_SDIO_PD_EN
if new_voltage != "OFF":
reg_val |= RTC_CNTL_XPD_SDIO_REG # enable internal LDO
if new_voltage == "1.9V":
reg_val |= (RTC_CNTL_DREFH_SDIO_M | RTC_CNTL_DREFM_SDIO_M | RTC_CNTL_DREFL_SDIO_M) # boost voltage
self.write_reg(RTC_CNTL_SDIO_CONF_REG, reg_val)
print("VDDSDIO regulator set to %s" % new_voltage)
class ESP32StubLoader(ESP32ROM):
""" Access class for ESP32 stub loader, runs on top of ROM.
@ -1096,20 +1189,20 @@ class ESPBOOTLOADER(object):
def LoadFirmwareImage(chip, filename):
""" Load a firmware image. Can be for ESP8266 or ESP32. ESP8266 images will be examined to determine if they are
original ROM firmware images (ESPFirmwareImage) or "v2" OTA bootloader images.
original ROM firmware images (ESP8266ROMFirmwareImage) or "v2" OTA bootloader images.
Returns a BaseFirmwareImage subclass, either ESPFirmwareImage (v1) or OTAFirmwareImage (v2).
Returns a BaseFirmwareImage subclass, either ESP8266ROMFirmwareImage (v1) or ESP8266V2FirmwareImage (v2).
"""
with open(filename, 'rb') as f:
if chip == 'esp32':
if chip.lower() == 'esp32':
return ESP32FirmwareImage(f)
else: # Otherwise, ESP8266 so look at magic to determine the image type
magic = ord(f.read(1))
f.seek(0)
if magic == ESPLoader.ESP_IMAGE_MAGIC:
return ESPFirmwareImage(f)
return ESP8266ROMFirmwareImage(f)
elif magic == ESPBOOTLOADER.IMAGE_V2_MAGIC:
return OTAFirmwareImage(f)
return ESP8266V2FirmwareImage(f)
else:
raise FatalError("Invalid image magic number: %d" % magic)
@ -1119,10 +1212,11 @@ class ImageSegment(object):
(very similar to a section in an ELFImage also) """
def __init__(self, addr, data, file_offs=None):
self.addr = addr
# pad all ImageSegments to at least 4 bytes length
self.data = pad_to(data, 4, b'\x00')
self.data = data
self.file_offs = file_offs
self.include_in_checksum = True
if self.addr != 0:
self.pad_to_alignment(4) # pad all "real" ImageSegments 4 byte aligned length
def copy_with_new_addr(self, new_addr):
""" Return a new ImageSegment with same data, but mapped at
@ -1147,6 +1241,9 @@ class ImageSegment(object):
r += " file_offs 0x%08x" % (self.file_offs)
return r
def pad_to_alignment(self, alignment):
self.data = pad_to(self.data, alignment, b'\x00')
class ELFSection(ImageSegment):
""" Wrapper class for a section in an ELF image, has a section
@ -1243,13 +1340,13 @@ class BaseFirmwareImage(object):
return [s for s in self.segments if s != irom_segment]
class ESPFirmwareImage(BaseFirmwareImage):
class ESP8266ROMFirmwareImage(BaseFirmwareImage):
""" 'Version 1' firmware image, segments loaded directly by the ROM bootloader. """
ROM_LOADER = ESP8266ROM
def __init__(self, load_file=None):
super(ESPFirmwareImage, self).__init__()
super(ESP8266ROMFirmwareImage, self).__init__()
self.flash_mode = 0
self.flash_size_freq = 0
self.version = 1
@ -1283,7 +1380,7 @@ class ESPFirmwareImage(BaseFirmwareImage):
self.append_checksum(f, checksum)
class OTAFirmwareImage(BaseFirmwareImage):
class ESP8266V2FirmwareImage(BaseFirmwareImage):
""" 'Version 2' firmware image, segments loaded by software bootloader stub
(ie Espressif bootloader or rboot)
"""
@ -1291,7 +1388,7 @@ class OTAFirmwareImage(BaseFirmwareImage):
ROM_LOADER = ESP8266ROM
def __init__(self, load_file=None):
super(OTAFirmwareImage, self).__init__()
super(ESP8266V2FirmwareImage, self).__init__()
self.version = 2
if load_file is not None:
segments = self.load_common_header(load_file, ESPBOOTLOADER.IMAGE_V2_MAGIC)
@ -1304,8 +1401,7 @@ class OTAFirmwareImage(BaseFirmwareImage):
# the file is saved in the image with a zero load address
# in the header, so we need to calculate a load address
irom_segment = self.load_segment(load_file, True)
# for actual mapped addr, add ESP8266ROM.IROM_MAP_START + flashing_Addr + 8
irom_segment.addr = 0
irom_segment.addr = 0 # for actual mapped addr, add ESP8266ROM.IROM_MAP_START + flashing_addr + 8
irom_segment.include_in_checksum = False
first_flash_mode = self.flash_mode
@ -1350,6 +1446,7 @@ class OTAFirmwareImage(BaseFirmwareImage):
if irom_segment is not None:
# save irom0 segment, make sure it has load addr 0 in the file
irom_segment = irom_segment.copy_with_new_addr(0)
irom_segment.pad_to_alignment(16) # irom_segment must end on a 16 byte boundary
self.save_segment(f, irom_segment)
# second header, matches V1 header and contains loadable segments
@ -1360,6 +1457,29 @@ class OTAFirmwareImage(BaseFirmwareImage):
checksum = self.save_segment(f, segment, checksum)
self.append_checksum(f, checksum)
# calculate a crc32 of entire file and append
# (algorithm used by recent 8266 SDK bootloaders)
with open(filename, 'rb') as f:
crc = esp8266_crc32(f.read())
with open(filename, 'ab') as f:
f.write(struct.pack(b'<I', crc))
# Backwards compatibility for previous API, remove in esptool.py V3
ESPFirmwareImage = ESP8266ROMFirmwareImage
OTAFirmwareImage = ESP8266V2FirmwareImage
def esp8266_crc32(data):
"""
CRC32 algorithm used by 8266 SDK bootloader (and gen_appbin.py).
"""
crc = binascii.crc32(data, 0) & 0xFFFFFFFF
if crc & 0x80000000:
return crc ^ 0xFFFFFFFF
else:
return crc + 1
class ESP32FirmwareImage(BaseFirmwareImage):
""" ESP32 firmware image is very similar to V1 ESP8266 image,
@ -1380,6 +1500,7 @@ class ESP32FirmwareImage(BaseFirmwareImage):
def __init__(self, load_file=None):
super(ESP32FirmwareImage, self).__init__()
self.secure_pad = False
self.flash_mode = 0
self.flash_size_freq = 0
self.version = 1
@ -1496,11 +1617,31 @@ class ESP32FirmwareImage(BaseFirmwareImage):
checksum = self.save_segment(f, segment, checksum)
total_segments += 1
if self.secure_pad:
# pad the image so that after signing it will end on a a 64KB boundary.
# This ensures all mapped flash content will be verified.
if not self.append_digest:
raise FatalError("secure_pad only applies if a SHA-256 digest is also appended to the image")
align_past = (f.tell() + self.SEG_HEADER_LEN) % IROM_ALIGN
# 16 byte aligned checksum (force the alignment to simplify calculations)
checksum_space = 16
# after checksum: SHA-256 digest + (to be added by signing process) version, signature + 12 trailing bytes due to alignment
space_after_checksum = 32 + 4 + 64 + 12
pad_len = (IROM_ALIGN - align_past - checksum_space - space_after_checksum) % IROM_ALIGN
pad_segment = ImageSegment(0, b'\x00' * pad_len, f.tell())
checksum = self.save_segment(f, pad_segment, checksum)
total_segments += 1
# done writing segments
self.append_checksum(f, checksum)
image_length = f.tell()
if self.secure_pad:
assert ((image_length + space_after_checksum) % IROM_ALIGN) == 0
# kinda hacky: go back to the initial header and write the new segment count
# that includes padding segments. This header is not checksummed
image_length = f.tell()
f.seek(1)
try:
f.write(chr(total_segments))
@ -1653,7 +1794,7 @@ def slip_reader(port, trace_function):
waiting_for = "header" if partial_packet is None else "content"
trace_function("Timed out waiting for packet %s", waiting_for)
raise FatalError("Timed out waiting for packet %s" % waiting_for)
trace_function("Read %d bytes: %r", len(read_bytes), read_bytes)
trace_function("Read %d bytes: %s", len(read_bytes), HexFormatter(read_bytes))
for b in read_bytes:
if type(b) is int:
b = bytes([b]) # python 2/3 compat
@ -1662,9 +1803,9 @@ def slip_reader(port, trace_function):
if b == b'\xc0':
partial_packet = b""
else:
trace_function("Read invalid data: %r", read_bytes)
trace_function("Remaining data in serial buffer: %r", port.read(port.inWaiting()))
raise FatalError('Invalid head of packet (%r)' % b)
trace_function("Read invalid data: %s", HexFormatter(read_bytes))
trace_function("Remaining data in serial buffer: %s", HexFormatter(port.read(port.inWaiting())))
raise FatalError('Invalid head of packet (0x%s)' % hexify(b))
elif in_escape: # part-way through escape sequence
in_escape = False
if b == b'\xdc':
@ -1672,13 +1813,13 @@ def slip_reader(port, trace_function):
elif b == b'\xdd':
partial_packet += b'\xdb'
else:
trace_function("Read invalid data: %r", read_bytes)
trace_function("Remaining data in serial buffer: %r", port.read(port.inWaiting()))
raise FatalError('Invalid SLIP escape (%r%r)' % (b'\xdb', b))
trace_function("Read invalid data: %s", HexFormatter(read_bytes))
trace_function("Remaining data in serial buffer: %s", HexFormatter(port.read(port.inWaiting())))
raise FatalError('Invalid SLIP escape (0xdb, 0x%s)' % (hexify(b)))
elif b == b'\xdb': # start of escape sequence
in_escape = True
elif b == b'\xc0': # end of packet
trace_function("Full packet: %r", partial_packet)
trace_function("Received full packet: %s", HexFormatter(partial_packet))
yield partial_packet
partial_packet = None
else: # normal byte in packet
@ -1715,25 +1856,47 @@ def flash_size_bytes(size):
raise FatalError("Unknown size %s" % size)
def hexify(s):
def hexify(s, uppercase=True):
format_str = '%02X' if uppercase else '%02x'
if not PYTHON2:
return ''.join('%02X' % c for c in s)
return ''.join(format_str % c for c in s)
else:
return ''.join('%02X' % ord(c) for c in s)
return ''.join(format_str % ord(c) for c in s)
def unhexify(hs):
s = bytes()
class HexFormatter(object):
"""
Wrapper class which takes binary data in its constructor
and returns a hex string as it's __str__ method.
for i in range(0, len(hs) - 1, 2):
hex_string = hs[i:i + 2]
This is intended for "lazy formatting" of trace() output
in hex format. Avoids overhead (significant on slow computers)
of generating long hex strings even if tracing is disabled.
if not PYTHON2:
s += bytes([int(hex_string, 16)])
Note that this doesn't save any overhead if passed as an
argument to "%", only when passed to trace()
If auto_split is set (default), any long line (> 16 bytes) will be
printed as separately indented lines, with ASCII decoding at the end
of each line.
"""
def __init__(self, binary_string, auto_split=True):
self._s = binary_string
self._auto_split = auto_split
def __str__(self):
if self._auto_split and len(self._s) > 16:
result = ""
s = self._s
while len(s) > 0:
line = s[:16]
ascii_line = "".join(c if (c == ' ' or (c in string.printable and c not in string.whitespace))
else '.' for c in line.decode('ascii', 'replace'))
s = s[16:]
result += "\n %-16s %-16s | %s" % (hexify(line[:8], False), hexify(line[8:], False), ascii_line)
return result
else:
s += chr(int(hex_string, 16))
return s
return hexify(self._s, False)
def pad_to(data, alignment, pad_character=b'\xFF'):
@ -1770,6 +1933,11 @@ class NotImplementedInROMError(FatalError):
def __init__(self, bootloader, func):
FatalError.__init__(self, "%s ROM does not support function %s." % (bootloader.CHIP_NAME, func.__name__))
class NotSupportedError(FatalError):
def __init__(self, esp, function_name):
FatalError.__init__(self, "Function %s is not supported for %s." % (function_name, esp.CHIP_NAME))
# "Operation" commands, executable at command line. One function each
#
# Each function takes either two args (<ESPLoader instance>, <args>) or a single <args>
@ -1777,18 +1945,19 @@ class NotImplementedInROMError(FatalError):
def load_ram(esp, args):
image = LoadFirmwareImage(esp, args.filename)
image = LoadFirmwareImage(esp.CHIP_NAME, args.filename)
print('RAM boot...')
for (offset, size, data) in image.segments:
print('Downloading %d bytes at %08x...' % (size, offset), end=' ')
for seg in image.segments:
size = len(seg.data)
print('Downloading %d bytes at %08x...' % (size, seg.addr), end=' ')
sys.stdout.flush()
esp.mem_begin(size, div_roundup(size, esp.ESP_RAM_BLOCK), esp.ESP_RAM_BLOCK, offset)
esp.mem_begin(size, div_roundup(size, esp.ESP_RAM_BLOCK), esp.ESP_RAM_BLOCK, seg.addr)
seq = 0
while len(data) > 0:
esp.mem_block(data[0:esp.ESP_RAM_BLOCK], seq)
data = data[esp.ESP_RAM_BLOCK:]
while len(seg.data) > 0:
esp.mem_block(seg.data[0:esp.ESP_RAM_BLOCK], seq)
seg.data = seg.data[esp.ESP_RAM_BLOCK:]
seq += 1
print('done!')
@ -1974,7 +2143,7 @@ def image_info(args):
def make_image(args):
image = ESPFirmwareImage()
image = ESP8266ROMFirmwareImage()
if len(args.segfile) == 0:
raise FatalError('No segments specified')
if len(args.segfile) != len(args.segaddr):
@ -1994,10 +2163,11 @@ def elf2image(args):
if args.chip == 'esp32':
image = ESP32FirmwareImage()
image.secure_pad = args.secure_pad
elif args.version == '1': # ESP8266
image = ESPFirmwareImage()
image = ESP8266ROMFirmwareImage()
else:
image = OTAFirmwareImage()
image = ESP8266V2FirmwareImage()
image.entrypoint = e.entrypoint
image.segments = e.sections # ELFSection is a subclass of ImageSegment
image.flash_mode = {'qio':0, 'qout':1, 'dio':2, 'dout': 3}[args.flash_mode]
@ -2018,8 +2188,12 @@ def read_mac(esp, args):
def chip_id(esp, args):
chipid = esp.chip_id()
print('Chip ID: 0x%08x' % chipid)
try:
chipid = esp.chip_id()
print('Chip ID: 0x%08x' % chipid)
except NotSupportedError:
print('Warning: %s has no Chip ID. Reading MAC instead.' % esp.CHIP_NAME)
read_mac(esp, args)
def erase_flash(esp, args):
@ -2137,7 +2311,7 @@ def main():
parser.add_argument(
'--port', '-p',
help='Serial port device',
default=os.environ.get('ESPTOOL_PORT', ESPLoader.DEFAULT_PORT))
default=os.environ.get('ESPTOOL_PORT', None))
parser.add_argument(
'--baud', '-b',
@ -2148,7 +2322,7 @@ def main():
parser.add_argument(
'--before',
help='What to do before connecting to the chip',
choices=['default_reset', 'no_reset'],
choices=['default_reset', 'no_reset', 'no_reset_no_sync'],
default=os.environ.get('ESPTOOL_BEFORE', 'default_reset'))
parser.add_argument(
@ -2167,6 +2341,12 @@ def main():
help="Enable trace-level output of esptool.py interactions.",
action='store_true')
parser.add_argument(
'--override-vddsdio',
help="Override ESP32 VDDSDIO internal voltage regulator (use with care)",
choices=ESP32ROM.OVERRIDE_VDDSDIO_CHOICES,
nargs='?')
subparsers = parser.add_subparsers(
dest='operation',
help='Run esptool {command} -h for additional help')
@ -2253,6 +2433,7 @@ def main():
parser_elf2image.add_argument('input', help='Input ELF file')
parser_elf2image.add_argument('--output', '-o', help='Output filename prefix (for version 1 image), or filename (for version 2 single image)', type=str)
parser_elf2image.add_argument('--version', '-e', help='Output image version', choices=['1','2'], default='1')
parser_elf2image.add_argument('--secure-pad', action='store_true', help='Pad image so once signed it will end on a 64KB boundary. For ESP32 images only.')
add_spi_flash_subparsers(parser_elf2image, is_elf2image=True)
@ -2344,24 +2525,50 @@ def main():
operation_args = inspect.getfullargspec(operation_func).args
if operation_args[0] == 'esp': # operation function takes an ESPLoader connection object
initial_baud = min(ESPLoader.ESP_ROM_BAUD, args.baud) # don't sync faster than the default baud rate
if args.chip == 'auto':
esp = ESPLoader.detect_chip(args.port, initial_baud, args.before, args.trace)
if args.before != "no_reset_no_sync":
initial_baud = min(ESPLoader.ESP_ROM_BAUD, args.baud) # don't sync faster than the default baud rate
else:
chip_class = {
'esp8266': ESP8266ROM,
'esp32': ESP32ROM,
}[args.chip]
esp = chip_class(args.port, initial_baud, args.trace)
esp.connect(args.before)
initial_baud = args.baud
if args.port is None:
ser_list = sorted(ports.device for ports in list_ports.comports())
print("Found %d serial ports" % len(ser_list))
else:
ser_list = [args.port]
esp = None
for each_port in reversed(ser_list):
print("Serial port %s" % each_port)
try:
if args.chip == 'auto':
esp = ESPLoader.detect_chip(each_port, initial_baud, args.before, args.trace)
else:
chip_class = {
'esp8266': ESP8266ROM,
'esp32': ESP32ROM,
}[args.chip]
esp = chip_class(each_port, initial_baud, args.trace)
esp.connect(args.before)
break
except FatalError as err:
if args.port is not None:
raise
print("%s failed to connect: %s" % (each_port, err))
esp = None
if esp is None:
raise FatalError("All of the %d available serial ports could not connect to a Espressif device." % len(ser_list))
print("Chip is %s" % (esp.get_chip_description()))
print("Features: %s" % ", ".join(esp.get_chip_features()))
read_mac(esp, args)
if not args.no_stub:
esp = esp.run_stub()
if args.override_vddsdio:
esp.override_vddsdio(args.override_vddsdio)
if args.baud > initial_baud:
try:
esp.change_baud(args.baud)
@ -2386,8 +2593,11 @@ def main():
operation_func(esp, args)
# finish execution based on args.after
if args.after == 'hard_reset':
# Handle post-operation behaviour (reset or other)
if operation_func == load_ram:
# the ESP is now running the loaded image, so let it run
print('Exiting immediately.')
elif args.after == 'hard_reset':
print('Hard resetting via RTS pin...')
esp.hard_reset()
elif args.after == 'soft_reset':
@ -2399,6 +2609,8 @@ def main():
if esp.IS_STUB:
esp.soft_reset(True) # exit stub back to ROM loader
esp._port.close()
else:
operation_func(args)
@ -2497,7 +2709,7 @@ class AddrFilenamePairAction(argparse.Action):
for i in range(0,len(values),2):
try:
address = int(values[i],0)
except ValueError as e:
except ValueError:
raise argparse.ArgumentError(self,'Address "%s" must be a number' % values[i])
try:
argfile = open(values[i + 1], 'rb')
@ -2524,104 +2736,104 @@ class AddrFilenamePairAction(argparse.Action):
# Binary stub code (see flasher_stub dir for source & details)
ESP8266ROM.STUB_CODE = eval(zlib.decompress(base64.b64decode(b"""
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""")))
ESP32ROM.STUB_CODE = eval(zlib.decompress(base64.b64decode(b"""
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