7
votes
esp32, platformio A fatal error occurred: Packet content transfer stopped (received 8 bytes) *** [upload] Error 2
I had this error when trying to upload a sketch from Arduino IDE to a TTGO T-Display, found that I could resolve this by changing the upload speed from the default of 921600 to 115200.
After doing ...
- 171
5
votes
Accepted
Arduino Uno R3 assembly code to push a button and turn on a LED
This line:
ldi r18, 0b00100000 ;pushed button
does not match the definition of BUTTON. You are setting bit 5 of
the register, whereas the button is on bit 3. In order to avoid
this ...
- 45.2k
5
votes
esp32, platformio A fatal error occurred: Packet content transfer stopped (received 8 bytes) *** [upload] Error 2
I was able to resolve this issue by detaching jumpers that i had connected to the GPIO 12/13 pins during upload.
After uploading they can be attached again.
See this github issue: https://github.com/...
- 51
4
votes
Accepted
ESP32 partition table and writing location
0x1000 is the "second stage" bootloader. This is the code that is responsible for loading the code according to the layout specified in the partition table.
In ESP-IDF, the binary image ...
- 106k
4
votes
Accepted
PlatformIO and const PROGMEM
The PROGMEM qualifier can only be applied to statically-allocated
constant data. When you move the decimalDigit array inside the class,
it becomes a data member, i.e. you have one copy of the array ...
- 45.2k
3
votes
Accepted
ATTiny85 pin definitions
The macros such as PB2 are defined in the avr-libc for accessing the
bits of the raw I/O ports, with statements such as
PORTB |= _BV(PB2); // set PB2 as HIGH
They do not uniquely identify as pin: if ...
- 45.2k
3
votes
Accepted
Enable full float-capable snprintf() library with PlatformIO
I finally found the answer at https://github.com/sstaub/LCDi2c
When using PlatformIO, add the following line to platformio.ini to enable full support for floats to printf():
build_flags = -Wl,-u,...
- 561
3
votes
Accepted
Why is sensitivity (threshold) parameter ignored
Consider this subtraction:
value - this->value
Like in any arithmetic operation, the operands undergo integral
promotion, then usual arithmetic conversions.
Oversimplifying a bit, “integral ...
- 45.2k
3
votes
Accepted
Splitting up code in multiple files causing `multiple definition` and `undefined reference` error
The failing is not with your code. The failing is with the MPU6050_6Axis_MotionApps20.h library. It erroneously has code in the header rather than in a separate CPP file.
You have done everything ...
- 106k
2
votes
Accepted
esp32, platformio A fatal error occurred: Packet content transfer stopped (received 8 bytes) *** [upload] Error 2
For anyone wondering, i found out it means that there's some kind of disconnect between the computer from which your uploading and the file system. Essentially, the esp32 is broken.
- 67
2
votes
Help solving "collect2.exe: error: ld returned 1 exit status" error in code
I have figured it out.
The problem was I had not properly set up the project with the proper libraries. I thought I was doing it right manually but I was not. PlatformIO has a really convenient ...
- 61
2
votes
Arduino code working via IDE, not via PlatformIO Arduino code
I had a similar behavior for a while and nothing I would change in the PlatformIO .ini configuration file seemed to help. I tried to re-init and clean the project, but also didn't seem to help.
...
2
votes
Best way to "hack" a library without forking it
Use a local source control and repository of your choice. Obtain the latest published rev of the library and make your changes to it (I assume you have already done this, probably a number of times). ...
- 15.4k
2
votes
Accepted
How to do 'for' loop over inline anonymous array
I'm trying to enrich my C++ skills & be fancy
The Arduino Mega is probably not the right platform to learn fancy C++.
The development environment doesn't support all the modern C++ stuff. In
...
- 45.2k
2
votes
ESPAsyncDNSServer cannot find AsyncUDP anymore
for whatever reason, adding this to your platformio.ini env section helps:
[env]
lib_compat_mode = strict # default is "soft"
I guess the more clean version would be to add this to your ...
- 121
1
vote
Should I use PlatformIO to make a "hackable" and accessible device
Requiring your users to install and learn yet another development
environment is certainly a barrier to entry. I would thus recommend you
make sure your project is laid out in conformance with the ...
- 45.2k
1
vote
Accepted
ESP32CAM fails to initialise camera with error 0xffffff
The error message:
E (650) cam_hal: cam_dma_config(301): frame buffer malloc failed
E (650) cam_hal: cam_config(385): cam_dma_config failed
E (651) camera: Camera config failed with error 0xffffffff
...
- 119
1
vote
ATTiny85 pin definitions
Does this help at all? - I constructed this graphic from a number of sources:
1
vote
Adding a custom platform to PlatformIO
Creating custom board support for PlatformIO
PlatformIO provides a very comprehensive documentation on how to use PlatformIO for programming STM32 with various platforms. You can find "Custom ...
- 1,988
1
vote
PlatformIO and const PROGMEM
OK, I ended up blindly stumbling over the solution, even though at this moment I have no idea why it actually works.
I moved the const PROGMEM uint8_t decimalDigit[10][8] = {...} declaration from ...
- 561
1
vote
Accepted
How to optimize checking for specific string in a UART stream
Here is an idea that may work: instead of buffering the input stream
and comparing the buffer with the search string, you could do the
comparison on the fly, as you receive the characters. Then you ...
- 45.2k
1
vote
Arduino OTA - difference between Arduino IDE and PlatformIO
All I can see are three issues (plus possible some bonus ones)
You can't daisy chain callback setters like that, it returns void and it doesn't make any sense to have void.onProgress... and those ...
- 4,907
1
vote
Accepted
Simulate pin behaviour based on PulseView recording
I've never heard of such a test framework and I doubt there is one, at least for hobbyists. Such a framework would need to include a lot of hardware to accommodate all the possible electrical test ...
- 16.6k
1
vote
How to do 'for' loop over inline anonymous array
Edgar Bonet answers why for (int pin : {DIP5, DIP4, DIP3, DIP2, DIP1, DIP0}) { isn't working. What you would get (where supported) with this syntax is an initializer_list which itself is not an array ...
- 5,739
1
vote
esp32, platformio A fatal error occurred: Packet content transfer stopped (received 8 bytes) *** [upload] Error 2
Hi all I found I got this error because my FTDI adapter was in 3.3V mode, not 5V as soon as I set it to 5V the issue was resolved and it programmed fine. One more thing to check before you scrap your ...
1
vote
Accepted
Create a library when using PlatformIO
You're describing "1.5.x" format libraries, not "PlatformIO". This arrangement for a library was created for Arduino IDE version 1.5.0.
The critical part of this library format is ...
- 106k
1
vote
Add library to CLion project
For what it's worth, I asked a similar question on StackOverflow, on the chance that the slightly different crowd might include someone who uses CLion + PlatformIO for non-Arduino embedded work and ...
- 561
1
vote
Unable to find headers from installed platformio library
I woke up this morning and looked back at the documentation.
A part I mis-read was this:
We recommend to use src folder for your C/C++ source files and include folder for your headers. You can also ...
- 357
1
vote
ESP32 Espressif ESP32_DevKitC_V4 in platformio: flash issues
for the ESP32 DevKitC v4, the pio board configuration should be like this:
[env:esp32dev]
platform = espressif32
board = esp32dev
framework = arduino
board_upload.flash_size = 4MB
build_flags =
-...
Only top scored, non community-wiki answers of a minimum length are eligible