The function tag has no wiki summary.
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votes
0answers
24 views
Problem running C++ function from STM32's SRAM in Keil microVision
I'm using Keil uVision 4.6 to write a C++ program for SMT32F103RE.
I need to run one of my program functions directly from SRAM, so I devided my SRAM into two separate regions:
...
1
vote
1answer
69 views
circuit for any second order system
What circuit, with a single input and a single output, has a transfer function that looks like this:
\$H(s)=\frac{\omega_n^2}{s^2+2\omega_n \zeta s+\omega_n^2}\$ (second order system)?
2
votes
2answers
123 views
Arduino linking assembler funtions
I would like to use (link) a function written in assembler in an Arduino project.
What I want to do is:
write the function in assembler using avr-gcc calling conventions
declare the function as ...
4
votes
1answer
182 views
How to properly open and close files “inside” a member function? [closed]
I am using Arduino Uno and the Ethernet Shield with a 2GB SD Card. I have the following working code intended to be used to write data on the SD Card (note: the SD Library is properly initialized and ...
0
votes
2answers
112 views
Transfer function of frequency shifted signal
I have a system controled by the function \$i(t)\$ and described by
this time-domain equation,
$$l(t)=A+\frac{Pi(t)}{CK}-\frac{Pi(t)-CK(O-A)}{CK}e^{-Kt}$$
Taking the Laplace transform I get this,
...
1
vote
3answers
200 views
Ideal Hardware Timer Setup Routine
Imagine you were trying to write a C routine for an 8bit microcontroller that converted a desired timespan (be it seconds, milliseconds, hertz, etc). to the corresponding hardware timer preload value ...
-1
votes
1answer
372 views
How to make function generator at least up to 5 MHz? [closed]
It should be the most reasonably analog and more than 4 MHz. I only found desings for up to 500 KHz, I don't know if the same principle applies with more frequency. I would apreciate any block ...
2
votes
1answer
408 views
Simple Differentiator with OpAmp - response function
Ok, I have a differentiator with an OpAmp, a resistor and a capacitor. I've calculated the response function, and I've written it in the picture.
Now, the OpAmp has a single-pole response ...
1
vote
3answers
225 views
How to fake an encoder signal with one function generator?
I wish to be able to have a encoder quadrature signal that I could set the frequency to some specified values (from 10 to 60 Hz). I have a function gen that fulfills the freq requirements but it has ...
3
votes
1answer
287 views
Can you find the transfer function of two cascaded networks if you know their individual transfer functions?
If you have network N1 with transfer function H1 and network N2 with transfer function H2, is there a way to find the transfer function H3 for the network produced when cascading N1 and N2 (and ...
