Comments (6)
That was a mistake on my part i meant FlexSpi in chapter 27. I have updated my wording on the matter.
from imxrt-hal.
I have some knowledge of the hardware registers for the imxrt FlexSpi registers as I am using them in a library in C++ to access a flash chip that use QSpi. I would be happy to help out with writing the library to access FlexIo but I'm quite new to rust and don't really know to start on direct memory access to set up registers. I saw this issue on the matter but it seems to have gone cold. My current project is a teensy 4.1 custom board that is planed to be used as a flight computer in the future but is in the early stages (Just completed the first dev board). I would like to use rust over C++ but I would need more access to the hardware such as FlexSpi for the onboard flash chip for data logging.
from imxrt-hal.
I see that is this may have been done with the imxrt-ral library. I would still like to hear input on the matter.
With the course of working on this project I will be writing a SDCard library that should be compatible with the teensy 4.1 sdcard slot I would be happy to make it open source. I did see the post on the teensy-rs repo about adding SD card support.
from imxrt-hal.
I'm personally not planning FlexSPI support right now. I'm happy to support you or anyone who wants to tackle it.
This could eventually use imxrt-iomuxc
support, but I think we could prototype without this feature. Add a marker trait for FlexSPI-compatible pins, and implement it for the Teensy 4.1 pins that you need. A few contributors have gone through the process of adding new traits and pins, so check out the merged PRs to see the process.
I see that is this may have been done with the imxrt-ral library.
Yup, I recommend using imxrt-ral
to access the FlexSPI registers.
I will be writing a SDCard library [...]
Awesome. See #119, which we can use to track any HAL developments.
from imxrt-hal.
We've talked in other issues, and I want to double-check my understanding of this issue.
We're discussing a driver for the FlexIO peripheral (chapter 50 in the 1060 reference manual). We're not discussing the FlexSPI controller (chapter 27 in the 1060 reference manual). The goal is to produce a FlexIO driver capable of QuadSPI. Is that the gist?
from imxrt-hal.
See also mciantyre/teensy4-rs#100, which asks about EEPROM emulation using FlexSPI.
from imxrt-hal.
Related Issues (20)
- Spurious CS high when using SPI enable_chip_select_0 HOT 3
- Input pin HIGH state persists. HOT 3
- what is the proper way to configure and use the gpt2 peripheral? HOT 3
- 0.4 HAL releases may break RAL users HOT 5
- FlexIO as SPI Master HOT 1
- Implementing the imx rt1170 HOT 11
- uSDHC support HOT 4
- RT600 arm core support HOT 4
- Tagged version of 0.5.0 has different files from the 0.5.0 crate HOT 1
- Designate LPSPI hardware chip select HOT 12
- LPSPI transfer not reading data back into buffer HOT 2
- Implementations of blocking embedded_hal traits should never return "Busy" HOT 9
- DMA soundness issue HOT 19
- SPI Frame Size Limitation HOT 4
- Road to `embedded-hal 1.0` HOT 5
- LPSPI3 Init Hanging HOT 2
- LPSPI Rework Open Discussion Points HOT 5
- Initializing the SRTC crashes the board HOT 5
- Add support for i.MX RT1050 HOT 1
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