About Myasu.1

Myasu.1 · 2024-02-23

What I want to do is XIP with DUAL QUAD SPI.The environment is as follows.Use Board : nucleo l4r5ziIDE : Atollic TrueSTUDIO® for STM32, Built on Eclipse Neon.1a.(Version: 9.3.0)FLASH : W25Q64JVThe connection diagram of the board and FLASH is shown be...

Myasu.1 · 2024-02-20

What I want to do is send Write Enable instruction to external Flash and erase.The environment is as follows.Use Board : nucleo l4r5ziIDE : Atollic TrueSTUDIO® for STM32, Built on Eclipse Neon.1a.(Version: 9.3.0)FLASH : W25Q64JVThe connection diagram...

Myasu.1 · 2024-01-08

I would like to read external FLASH data using Memory Mapped mode, which is a function of OctoSPI.The environment is as follows. Use Board : nucleo l4r5ziIDE : Atollic TrueSTUDIO® for STM32, Built on Eclipse Neon.1a.(Version: 9.3.0)FLASH : W25Q64JV C...

Myasu.1 · 2023-07-18

I have a question about SVC.I am currently implementing an OS service call using an SVC.When other interrupts and SVC interrupts occur at the same time and the other interrupts are executed first, it seems that the SVC interrupts are not pending.In o...

Myasu.1 · 2022-10-09

I am using a nucleo l4r5zi.I would like to use the GPIOs on this board as inputs and get the value of those inputs from software.Specifically, I would like to use PG2 to accomplish this.I have the following setup and am inputting 3.3v into PG2, but...

Myasu.1 · 2024-02-24

Hello @KDJEM.1 @Tesla DeLorean I apologize again and again.After several XIPs, the XIP doesn't work anymore. The program itself has not changed.I share the source files with you and would appreciate if you could check them out.The following is a brie...

Myasu.1 · 2024-02-24

Hello @KDJEM.1 @Tesla DeLorean I am very sorry.When doing Execute in Place with two external flashes, I had set the clock to half. When I set the clock to the same clock as when I did Execute In place with one external flash, the LED blinking period ...

Myasu.1 · 2024-02-24

Hello @KDJEM.1 @Tesla DeLorean As shown below, I pulled up CS and did Excute In Place using DUAL-QUAD-SPI as expected.However, let me confirm one concern.Currently, I do Execute in place by writing the following program to external flash.int main(voi...

Myasu.1 · 2024-02-23

Hello @KDJEM.1 I understand that the example does not use DUAL-QUAD-SPI.Is there a example of XIP using DUAL-QUAD-SPI?

Myasu.1 · 2024-02-23

Hello @KDJEM.1 Thank you for quick reply.I understand that a Hard Fault occurred because the 0~8 bits of XPSR are 3.Thank you for sharing Elatta. I am going to check it out.

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about Execute in place using dual quad spi

Data is not stored in the FIFO when FSEL is 1

FLASH data cannot be read as expected using Memory Mapped Mode

SVC is not pending

About GPIO

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