Questions tagged [arduino-makefile]
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9 questions
2
votes
1
answer
311
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Read values from a txt file on an SD card
I'm trying to read a text file (has numeric values) from SD card. The values in the file like this
87 512
255
I need to read 87 in ch1 and 512 in ch2 and 255 in ch3.
Why did I get on 'SKIP_NONE' '...
- 31
0
votes
1
answer
3k
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How to include a file from another (parent) directory
This is my structure
program/
src/
Makefile
main.ino
test.h
...
lib/
i2c.h
In main.ino I include test.h and in test.h I'm trying to include i2c.h but it is just not working, I ...
- 223
2
votes
1
answer
1k
views
How to know my Arduino core version and its location on my Ubuntu laptop?
Bakground:
When compiling a demo project about e-paper, I got this problem
./GxEPD/src/GxIO/GxIO_SPI/GxIO_SPI.h:39:5: error: ‘SPISettings’ does not name a type
SPISettings _spi_settings;
^
...
- 173
2
votes
0
answers
767
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Error while creating file on sd card
I want to create a file and read it form sd card by arduino. I have used sd card module. I have used this following code. In serial monitor it says "SD card is ready to use." But it can't read or ...
- 21
0
votes
1
answer
93
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usart sketch uploaded using makefile gives unusual behaviour
This is a simple usart program in avr c which just transmits a character.
#include <avr/io.h>
#include <util/delay.h>
#define F_CPU 16000000UL
#define BAUD 9600
#define BAUD_PRESCALLER ((...
- 3