Questions tagged [saleae-logic-analyzer]
is a logic and protocol analyzer used to record, view, and measure digital signals on a PC, using SW from the same brand.
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1answer
70 views
Lighting up LEDS via I2C Bus of a NeoTrellis 4x4 RGB Led Matrix
Many attempts to write to an i2c slave to make rgb leds light up have failed.
The hardware in question is found at:
https://learn.adafruit.com/adafruit-neotrellis
There is an arduino library and a ...
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0answers
68 views
Why High Speed CAN messages with a recessive level in ACK slot from OBD II port on 2019 GM Chevy Cruze
I want to collect some CAN traffic from my car. I got two devices. One is Saleae Logic8. The other is Vector VN1630A. I think the CAN protocol is straightforward that we can listen the CAN traffic by ...
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1answer
139 views
Change waveform into binary in Saleae Logic Analyzer
I'm using this famous logic analyzer and I would like to know if I can change the waveform into binary, like I've done in this pic (white numbers).
2
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1answer
254 views
Asynchronous serial inversion logic
I am using Saleae logic analyzer to reverse a console port. Saleae is able to successfully decode the signal (asynchronous serial) after performing an "invert" operation on the received signals.
I ...
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3answers
2k views
How do I analyze this UART signal?
I want to make the same signal like the following images using an Arduino Uno. But I can't find the baudrate of this signal.
I calculated baudrate the same way as Wikipedia. But when I used the ...
2
votes
1answer
528 views
Logic Analyzer shows voltage change in analog but not digital
While using a logic analyzer with analog voltage to test Digital Output Pin voltages on an Arduino UNO, I am seeing the expected digital output and analog output (HIGHs and LOWs for digital and 5V to ...
2
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1answer
2k views
STM32F205VC: USART framing error?
I'm trying to use USART in my program on STM32F205VC, but instead of sending my data I get some weird chars in PuTTY. I've used a Saleae Logical Analyzer and the result looks like this:
This is my ...
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2answers
1k views
Reverse Engineer Serial Signal
This is a long post as I want to take you through all the work I've done. The TL;DR version is I've got an unknown controller for a mechanical heat pump and I'm trying to reverse engineer the signal ...
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2answers
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Circuit to protect Saleae input from high voltages
I was browsing OSH park's shared circuits when I saw this:
Logic Analyser Buffer.
Since a true 12v RS232 signal will exceed the Salese's voltage limits, something like this could be useful. The diode ...
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1answer
3k views
What are these pulses?
To continue of this question...
I figured out the main problem and now I have an odd problem. at first, let me to put the codes.
"Main.c":
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1answer
333 views
Is the output clock correct?
I have written and using a STM32F030F4 for toggle a pin. I configured all things and my program is this (I use GPIOA->ODR ^= GPIO_PIN_2 for toggle GPIOA2 in ...
