Questions tagged [startup]
5 questions
5
votes
2 answers
Run code once after programming
I'm using EEPROM to store project settings non-volatile.
After reuploading the sketch to my board (over SPI via ArduinoISP), the EEPROM is reset to full 0xFFs and I have to manually do a "software reset" with a second switch, which initializes the…
towe
- 875
- 4
- 14
2
votes
2 answers
How can I stop digital pins from floating at reboot?
I've got a LattePanda 3 Delta, which runs windows on its main processor and an Arduino sketch called StandardFirmata on its coprocessor. It's connected to a lock, which locks at HIGH and unlocks at LOW.
When I boot/reboot the LattePanda, there is a…
Josmund
- 21
- 2
1
vote
1 answer
Why is the Arduino IDE ignoring my replacement start up code?
I am trying to replace the standard startup code to save flash space.
I've put the new startup.s in my core directory and added the -nostartfiles parameter to the linker reciepe in my platform.txt.
When I compile with the IDE, it does not include…
bigjosh
- 1,593
- 10
- 13
0
votes
1 answer
How to start serial monitor on Windows startup
How can I get Windows to start the Serial Monitor window after a restart? Is there something I have to copy into the Windows startup folder for my account? Thanks
SYGMAH
- 29
- 1
- 7
-2
votes
2 answers
Clarification of power-up behaviour of MAX7219 display driver
What is the exact meaning of the Initial Power-Up Section of the MAX7219 data sheet to be found on Page 7?
It says:
On initial power-up, all control registers are reset, the display is blanked, and the MAX7219/MAX7221 enter shutdown mode. Program…
urbantigerau
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