Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with interrupt
Search options answers only
not deleted
user 359
Interrupts allow the processor to suspend normal operation temporarily so that a high-priority software or hardware event can be handled instead.
2
votes
Ethernet connection - how to send data from interrupt
You don't, instead you set a volatile flag in the interrupt routine and/or append to a circular buffer and handle the actual sending the next time through in your main loop. …
- 3,267
1
vote
Alternative to a delay so it can be interrupted
Make a statemachine.
Take a piece of paper and draw out the order of operation and each time you are waiting you specify what each button will do.
So for example each time button 1 is pushed you incre …
- 3,267
1
vote
Accepted
How do I handle multiple interrupts and outputs simultaneously?
No need for interrupts, no messy interrupt based IO. Just a simple loop() where you read the input and if different from last time start playing a new file. …
- 3,267
0
votes
Breaking up for loop with ISR
Turn the loop into a state machine instead.
Wrap the entire loop body in a switch.
Every time you have a delay(t); make it a target for a case label and replace it with
startTimeout = millis();
c …
- 3,267
2
votes
Emergency stop button for arduino mega code and circuit attached
The best option is to convert the delay() based code to a millis() based state machine. That way the code will never block and always be going through the loop and the place where you check wether tha …
- 3,267
5
votes
Accepted
How to set the sampling frequency in Arduino without using a delay
Use the concept of blink without delay.
Instead of using delay() to set the timeout you use a timestamp and check micros() against that to see whether your interval has passed:
const unsigned long …
- 3,267
1
vote
Accepted
Break loop/restart program at any time
replace each delay chain with a switch statement where each delay is replaced by saving the current millis counter, a increment of the state, a case label for the new state and a if(millis()-timestamp …
- 3,267
3
votes
Calling I2C functions inside an ISR
The better way to do it would be to set a volatile flag in the ISR and handle that in the main loop.
This relies on you making sure the main loop never blocks so the flag can be check often.
volatil …
- 3,267
3
votes
Interrupts Problem with Flow sensor
A lot of peripheral libraries requires interrupts to be enabled, especially when they use timing or the I2C/SPI pins. Instead of disabling interrupts for the majority of the sketch, what you want to d …
- 3,267
4
votes
Accepted
Arduino continuously reading ADC value using interrupt
reset the resultNumber to 0 after you have written it to serial. and turn interrupts back on
void loop () {
while (resultNumber < MAX_RESULTS)
{ }
for (int i = 0; i < MAX_RESULTS; i++)
{
…
- 3,267
2
votes
Accepted
How to stop a loop when using attachInterrupt to catch the change of a button
The key will be to split up playCarMusicStart and instead create a playCarMusicStep that will do just one iteration of the loop and returns. Call it every time in loop() akin to blinkWithoutDelay.
In …
- 3,267