Refers to a basic data structure (also called record).
1
vote
1answer
48 views
Casting a struct member between uint8_t and char, with regard to serial transfer
Im simply trying to pass my payload to another device that has the same architecture and struct. I'm using UART to transfer, and modeling the protocol from EasyTransfer.
When I call ...
1
vote
3answers
45 views
Transfer a struct's data to an external struct via serial?
Using two boards of similar architecture I would like to send the contents of a struct from the sending board to the receiving board. I am using UART to transfer.
My plan was to populate an array ...
3
votes
1answer
98 views
sending ctrl-z in a struct?
I have a set of buttons wired to an arduino leonardo that are meant to send either single keystrokes to a computer "a, b, c..." etc, or a key sequence like ctrl+z (to perform an undo command.) ...
0
votes
1answer
179 views
I2C_Anything String / Char Array issues
I've been working with the lovely I2C_Anything.h (thanks to the great work and support from Nick over at http://www.gammon.com.au/forum/?id=10896&reply=9#reply9).. All working great, I was using ...
0
votes
2answers
282 views
Assigning value inside structure array outside setup and loop functions
I'm having some difficulty assigning a value to a variable in a struct array outside the loop and setup functions. Assigning a value to an int or char array works completely fine but this doesn't.
...
0
votes
2answers
808 views
Using PROGMEM to store array of structs
I am hitting the limits of my arduino's SRAM and found that SRAM usage can be reduced by storing static stuff in flash memory instead of SRAM.
My project can (optionally) be built with an included ...
2
votes
1answer
188 views
XBee, external libraries and passing structures as arguments
I have very weird problem with a library I am creating. The library will be used to communicate between Arduino modules using XBee Series 1 modules. Library is very simple wrapper library around ...
4
votes
5answers
982 views
What overheads and other considerations are there when using a struct vs a class?
C on embedded systems has traditionally use structs to hold structured data.
Arduino brings C++ to the table, so we can use classes instead.
Lets say we have two different data structures which ...
5
votes
1answer
315 views
Last element of a struct disappearing on write/read
I'm building a weather station with two UNOs, using NRF24l01+ radios. Communications are fine. I'm sending a struct from one to the other. The struct has three elements:
struct weather {
...
