All Questions
11 questions
0
votes
1
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462
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SPI Daisy-chain with paralleled DIN
I'm trying to use daisy-chaining feature on three MAX5318 DAC's.
However, I'm not sure how to do it properly. Do I need to turn CS low, then write 9 byte to SPI DIN, then double-trigger LDAC? Or to ...
- 105
0
votes
2
answers
3k
views
Sine Wave generator with DAC
i want to create a 40KHz sine wave with a STM32 Controller and an external DAC. I created my SPI connection to the MCP4922 and sending a sine wave table to it.
The init function of the SPI interface ...
1
vote
2
answers
1k
views
Inconsistent SPI communication between STM32F4 (Slave) and Raspberry Pi (Master)
I've been having a very specific issues with large SPI transaction and after few days of debugging and trying different approaches I haven't progressed anywhere. To briefly explain the system:
Slave: ...
- 11
0
votes
1
answer
453
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strange RFM95 SPI behaviour with STM32L4 [closed]
I am using CubeMX and HAL to program an STM32L4. I am trying to communicate with RFM96 module using SPI, but I am getting nonsensical results.
According to the RFM96 datasheet, in order to read a ...
- 11
2
votes
2
answers
1k
views
STM32F722ZE SPI communication with LSM6DS33 using HAL
For a long time I can not read the correct data from the LSM6DS33 control register (accelerometer + gyroscope).
As I read in the datasheet, the control register address WHO_I_AM is 0x0f. In order to ...
- 21
1
vote
1
answer
13k
views
How to receive bytes from SPI with interrupts using HAL on STM32?
Background
I am trying to make a SPI connection between two STM32F103C8T6's.
Measurements
According to my logic analyzer I get a signal that looks ok (sending 10 bytes with values 0x55):
Results
...
- 14k
0
votes
3
answers
2k
views
STM32 SPI SCLK stops ticking
I have STM32L052K8T6 (master) and I am trying to communicate with AD7124-4 ADC (slave) via SPI. My problem is that STM stops transmiting clock pulses on SCLK immediately after it transfers all data ...
- 71
0
votes
1
answer
1k
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Misunderstanding of hal_spi Communication Functions
The hal_spi communication function returns HAL_OK while nothing is OK. I use HAL_SPI_Receive, HAL_SPI_TransmitReceive, and ...
- 103
3
votes
1
answer
2k
views
STM32F072 - Working with HAL and FatFS
I am trying to make small data logger project with STM32F072 as an opportunity to get more familiar with STM's HAL.
With CubeMX I generated HAL code that has SPI and also includes FatFS.
Right now I ...
- 152
0
votes
1
answer
2k
views
how to set up SPI communication between a STM32F746ZG and a MCP2515
I am trying to communicate my STM32F746ZG microcontroller with a MCP2515 and am having a problem where I don't believe the MCP2515 is receiving anything I have sent via SPI.
The reason I have come ...
0
votes
2
answers
5k
views
SPI wrong received data
I'm trying to execute the SPI example from STM32Cube using a STM32F429 board and a STM32F4 board. The first has 180MHz of clock and the second one has 168MHz, both with similar Arm cortex-M3 ...
- 141