Lines Matching refs:to
8 Flashing problems can be fiddly to troubleshoot. The underlying issue can be caused by the drivers,…
15 If you see errors like "Failed to connect" then your chip is probably not entering the bootloader p…
18 … Check you have permissions to access the serial port, and other software (such as modem-manager …
20 …each pin with a multimeter, "high" pins should be close to 3.3V and "low" pins should be close to …
21 * If you have connected other devices to GPIO pins, try removing them and see if esptool starts wo…
22 * Try using a slower baud rate (``-b 9600`` is a very slow value that you can use to verify it's n…
24 Writing to Flash Fails Part Way Through
31 Writing to Flash Succeeds but Program Doesn't Run
39 …to flash with ``qio`` mode will succeed but the chip can't read the flash back to run - so nothing…
41 See the :ref:`spi-flash-modes` page for a full description of the flash modes and how to determine …
46 …to supply large amounts of current (up to 70mA continuous, 200-300mA peak, might be slightly highe…
55 …to this <https://user-images.githubusercontent.com/205573/30140831-9da417a6-93ba-11e7-95c3-f422744…
56 … ESP-WROOM02 and ESP-WROOM32 require an external bulk capacitor on the PCB to be reliable, consult…
61 It is possible to have a power supply that supplies enough current for the serial bootloader stage …
63 Try swapping in a 3.3V supply with a higher current rating, add capacitors to the power line, and/o…
65 …ters or Arduino boards *do not* supply sufficient current to power an ESP chip (it may seem to wor…
72 …On ESP8266, firmware bootloader image (with a filename like ``boot_v1.x.bin``) has to be flashed a…
74 …Refer to ESP8266 SDK documentation for details regarding which binaries need to be flashed at whic…
81 …Refer to ESP-IDF documentation for details regarding which binaries need to be flashed at which of…
86 Compared to the ROM bootloader that esptool talks to, a running firmware uses more of the chip's pi…
92 … to Dual I/O mode if you were previously using Quad I/O mode but want to attach things to GPIOs 9 …
94 In addition to these pins, GPIOs 6 & 11 are also used to access the SPI flash (in all modes). Howev…
101 …Use any of `serial terminal programs`_ to view the boot log. (ESP8266 baud rate is 74880bps). See …
105 …Use any of `serial terminal programs`_ to view the boot log. ({IDF_TARGET_NAME} baud rate is 11520…
112 …sole (you are not using a classic USB-to-Serial adapter), it's essential to be aware of potential …
116 …to :ref:`manually enter the download mode <manual-bootloader>` and then use the :ref:`erase_flash …
118 …to another instance of any of the `serial terminal programs`_, while repeating the failing action …
119 … have a dedicated USB port connected to an on-board USB-to-UART bridge, you can use a separate ada…
134 Running ``esptool.py --trace`` will dump all serial interactions to the standard output (this is *a…
141 … been tuned to work in the widest possible range of environments, an incompatible combination of h…
148 … fixes. Before reading any error-specific advice, it is highly recommended to go through all of th…
159 …There is a known issue regarding ESP8266 with the CH340 USB-to-serial converter (this includes Nod…
165 Wrong boot mode detected (0xXX)! The chip needs to be in download mode.
172 …Download mode successfully detected, but getting no sync reply: The serial TX path seems to be dow…
175 … data to the host computer, but doesn't receive any response sent by ``esptool``. This implies a p…
184 …to UART when booting (see :ref:`ESP8266 boot log <boot-log-esp8266>` for more information). This d…
187 …ing out during flashing. FTDI chips' internal 3.3V regulator is not enough to power an ESP, see `I…
189 Other things to try:
193 * Try to sync and communicate at a much lower baud rate, e.g. ``esptool.py --baud 9600 ...``.
221 * You don't have permission to access the port.
223 …to the ``dialout`` or ``uucp`` group to grant access to the serial port. See `Adding user to dialo…