About PierreBoss

PierreBoss · 2021-06-03

I work with SAM3X8E microcontroller (datasheet : https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-11057-32-bit-Cortex-M3-Microcontroller-SAM3X-SAM3A_Datasheet.pdf, page 676 to 707 for SPI)I want to make a multi transfer bytes thanks to SPI Bus....

PierreBoss · 2021-06-07

I found the solution of my problem. Everithing work thanks to this function :static inline uint8_t transmission(uint8_t data, uint8_t reception) { spi_write(SPI0, data, SPI_CHIP_SEL, 0); while ((SPI0->SPI_SR & SPI_SR_TDRE) == SPI_SR_TDRE); if(...

PierreBoss · 2021-06-07

Ok thank you guys for your help ! I will write the answer of my problem here when I will find it.

PierreBoss · 2021-06-07

Hi, I have some news!I thought the problem was with my SPI or PIN setup but after many changes it didn't do anything.I reworked my functions and there I have a result (which does not work yet but encouraging).Here is my MISO signal: We can see that t...

PierreBoss · 2021-06-07

I try to change my SPI settings, SPI PIN settings (MISO in input, ...) but nothing make my MISO works....

PierreBoss · 2021-06-07

Wiring/cabling correct? Broken wires, etc. ==> the cabling is correct because whith an other program (Arduino program), the screen is on.Clock active edge(CPOL,CPHA...), configure in MCU to match display (configure: data out on rise/fall, data in on ...

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My MISO signals (SPI) always return 0 during a multy transfer bytes

Re: My MISO signals (SPI) always return 0 during a multy transfer bytes

Re: My MISO signals (SPI) always return 0 during a multy transfer bytes

Re: My MISO signals (SPI) always return 0 during a multy transfer bytes

Re: My MISO signals (SPI) always return 0 during a multy transfer bytes

Re: My MISO signals (SPI) always return 0 during a multy transfer bytes