All Questions
Tagged with arduino-due spi
30 questions
-1
votes
1
answer
527
views
SPI with DMA in a Arduino Due
I have a project where I need to store data (~16 Mo) on a memory and be able to fetch the data fast (<36000 bits/s) with DMA because I have other signals to take care of.
Currently I use an SD card ...
- 49
3
votes
2
answers
1k
views
Send data through SPI with DMA
I need to send data as fast as possible from an Arduino DUE to an extern DAC. To do so I use DMA & SPI and I want DMA to fetch data from the memory and send it to the SPI which will just relay it ...
- 49
1
vote
0
answers
40
views
Code uploads to Due and fails to execute but runs on Redboard
I have run into this issue where my code will upload to my Due but fails to execute. I have verified the code works on a SparkFun Redboard. The only code difference is that the SPI pin assignments ...
- 11
1
vote
0
answers
339
views
How to properly set CS for SPI applications on Arduino Due
I needed SPI with CPOL=1 and CPHA=1. I read, that I could achieve this via SPI_MODE3. Further, I read to put the CS low and CS high code after SPI.beginTransaction(...) and before SPI.endTransaction() ...
- 11
2
votes
0
answers
451
views
Using ICSP pins as SPI in Arduino Due
I am using two RFID sensors operating on SPI with arduino Due. They will not be operating at the same time.
Is it favorable to use the ICSP pins as SPI pins for one of them, or use them in a one ...
- 121
3
votes
0
answers
225
views
Black screen when using higher SPI-speed for RA8857 LCD-controller
I'm using an Arduino Due that talks via SPI to an LCD (800x480) with the RA8875 controller chip.
The most recent datasheet I could find is: RA8875 datasheet.
Everything works as expected when using ...
- 155
1
vote
0
answers
79
views
Arduino Due Master Programming
I am newbie. In my application Arduino Due is configured as Master and Arduino Uno as Slave. I need to transfer 24-bit Hexadecimal data of about 79-registers to slave device. At the slave end in ...
0
votes
1
answer
12k
views
SPI Slave Programming for Arduino
In my application Arduino Due is configured as master and instead of the actual slave device I am making use of Arduino Uno as Slave.I will share the Master code which I have worked out. Can Anyone ...
0
votes
1
answer
339
views
Arduino Due SPI clock pauses each octet
I'm trying to communicate with SPI slave using Arduino DUE as master. Device requires commands to be 32 bit wide, SPI mode 3.
I've ran the minimum code (using Arduino IDE 1.8.12) to send some 32 bit ...
- 101
1
vote
0
answers
80
views
MLX90129 - SPI protocol
I don't know if someone has already worked with the MLX90129. Right now, I'm trying to establish the SPI protocol between MLX90129 and an Arduino. I'm using the example that it is showed in the ...
- 11
2
votes
1
answer
422
views
Set SPI MOSI pin to idle low on a Due?
I have an SPI slave connected to Due. I send the SPI slave into sleep mode. During sleep, I need to pull all pins low, including MOSI. What's the best way to pull the SPI-4 pin low on a Due?
Here's a ...
- 1,288
1
vote
0
answers
72
views
how to wrire into the contents of the registers in ADMV1013 up converter using arduino Due?
There are nine registers inside and the contents of the registers can be changed to perform several operations. The link of the data-sheet is given here(Page 26). The write cycle sampling must be ...
- 11
0
votes
0
answers
667
views
Arduino Due as Triggered DMA SPI Slave is possible?
Is it possible for arduino Due to act as DMA-SPI-slave device which can exchange SPI data (uint16_t TX[10] and RX[10]) in triggered slave mode?
I have a setup in which time period is very short (~...
- 11
0
votes
1
answer
979
views
Does MFRC522 supports native SPI of Arduino Due?
Does MFRC522 library support native SPI interface of Arduino Due?
By native SPI I mean this one:
I came here with this question because the initializer asks for 2 pins: SS and Reset:
MFRC522(byte ...
- 145
1
vote
0
answers
126
views
Combining ADC IRQ with SPI peripherals results in SPI not working
I'm working on a pet project that requires ADC, SD card (SPI interface, SdFat library) and a display in the future (also SPI).
I have put together a piece of code that initializes ADC at the highest ...
- 113