Problem via SPI with STM32F103ZE and MCP4262 [Solved]

vbruno1 · ‎2016-03-10

Posted on March 10, 2016 at 17:04

I've the problem, my communication via SPI between STM32F103ZE and MCP4262 don't work.

I try with PIC and the spi communication with MCP4262 works fine in mode 1,1.

I try via SPI2 through GPIO pins from STM3210E-EVAL but do't work.

I have attached main.c and stm32f1xx_hal_msp.c files

Some idea for solution, please?

Some ideas

for solution

Some ideas

for solution

Tesla DeLorean · ‎2016-03-10

Posted on March 10, 2016 at 18:12

Really can't help you with the HAL/Cube issues, consider if there is a better library to do this, or access the SPI registers.

I will note that the DWT code you have in there is gravely flawed, where did that come from?

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vbruno1 · ‎2016-03-10

Posted on March 11, 2016 at 08:47

The DWT code was made by me. For entering microsecond delay 10 ^ -6.

With the oscilloscope waveforms generated by STM32 and the pic are stackable. I don't understand what is not working.

I also tried to use SPI with interrupt, but nothing.

I don't know what to do.

Alternative solutions?

Also with different libraries so as to compare between them.

Some ideas

for solution

Some ideas

for solution

vbruno1 · ‎2016-03-11

Posted on March 11, 2016 at 09:35

I've attached the updated filesmain.c and main.h stm32f1xx_hal_msp.c, cleaned by the comments and code not helpful

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Attachments :

vbruno1 · ‎2016-03-11

Posted on March 11, 2016 at 11:47

I solved. Connections were too long between the MCP4262 and the GPIO pins of the board.