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Initial implementation of ram proc macro #6

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merged 3 commits into from
Jan 18, 2022

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bjoernQ
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@bjoernQ bjoernQ commented Jan 17, 2022

This adds the ram proc-macro as discussed in #4

There are some things probably worth to discuss

  • not all the features of ESP32-HAL are implemented: external isn't supported since there is more to support this than the proc-macro, no support for zeroed and uninitialized for normal RAM (t.b.h I'm not quite sure how useful that would be)
  • I got it working for ESP32 but for some reason (that is beyond the scope of this PR) it freezes on startup - resetting (once or twice) cures it apparently for me. I have no idea why yet. The ram example for ESP32-HAL fails for me even worse (even with the adaptions I did here to make it work so far for me)
  • for ESP32C3 it's now supported to create a direct-boot binary (default) or a "normal-boot" binary (by using the feature normalboot) - I'm not sure if it would be better to make the normal-boot / bootloader-boot the default and have a direct-boot feature - but I don't have a strong opinion on that. But definitely normalboot sounds odd. I just wasn't able to come up with a better name, yet
  • I'm not sure if the ram example is really nice - it shows how things work and might be good enough for now but it feels more like a test than an example

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Thank you for your continued work! Overall this looks very good, I'm not going to nitpick too much since it will be expanded on soon I'm sure.

not all the features of ESP32-HAL are implemented: external isn't supported since there is more to support this than the proc-macro, no support for zeroed and uninitialized for normal RAM (t.b.h I'm not quite sure how useful that would be)

This is fine for now, IMO. We can just add these as they are needed.

I got it working for ESP32 but for some reason (that is beyond the scope of this PR) it freezes on startup - resetting (once or twice) cures it apparently for me. I have no idea why yet. The ram example for ESP32-HAL fails for me even worse (even with the adaptions I did here to make it work so far for me)

That's certainly odd. I wasn't able to get the RAM example in esp-rs/esp32-hal to work either. However, the example in this PR seems to work just fine without the need for resets for me.

for ESP32C3 it's now supported to create a direct-boot binary (default) or a "normal-boot" binary (by using the feature normalboot) - I'm not sure if it would be better to make the normal-boot / bootloader-boot the default and have a direct-boot feature - but I don't have a strong opinion on that. But definitely normalboot sounds odd. I just wasn't able to come up with a better name, yet

I also don't have a strong opinion on this, something we'll have to discuss I guess. I agree normalboot is a sub-optimal name, but I'm also unable to think of a better alternative right now.

I'm not sure if the ram example is really nice - it shows how things work and might be good enough for now but it feels more like a test than an example

I'm happy with it for now, as it at least gives us CI coverage. We can likely come up with something a bit more interesting in the future.

I'm happy to merge this as-is, but I will open some issues regarding the above points, just so they don't get forgotten. Thank you again!

@jessebraham jessebraham merged commit 70109ff into esp-rs:main Jan 18, 2022
@bjoernQ bjoernQ deleted the ram_proc_macro branch January 19, 2022 08:18
bjoernQ pushed a commit to bjoernQ/esp-hal that referenced this pull request Feb 27, 2023
* fix SPI clocks

* run cargo fmt

* Add comment about used default clk src

* Fix rtc_watchdog example in BL mode

* run cargo fmt

* Update rtc_watchdog example that it works in DB mode
jessebraham added a commit that referenced this pull request Feb 27, 2023
* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

C6: update

* Simplify and fix the linker script

update

* C6: add I2S

* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

* C6: update

* Simplify and fix the linker script

* update

* C6: add I2S

* update

* C6 Interrupts

* C6: Update build.rs, linker scripts and initial examples

* C6: RMT

* Fix interrupt handling

* Fix `ClockControl::configure`

* C6: revert to I2S0 instead of just I2S

* C6: rebase and update

* RTC not buildable

* Implement RWDT and SWD disable

* C6: working LEDC

* C6: working RMT

* C6: add aes

* C6: add mcpwm

* C6: add rtc_cntln - not finished

* C6: update and formatting

* C6: add pcnt

* C6: add examples and format

* Remove inline assembly, fix interrupts and linker scripts

* Remove unused features, update cargo config for atomic emu, misc cleanup

* Get ADC building and example "working" (as much as it ever does)

* Remove a bunch of unused constants which were copied from ESP-IDF

* The `mcpwm` example now works correctly

* Get `TWAI` peripheral driver building for C6

* Clean up the `rtc_cntl` module and get all the other HALs building again

* Add the C6 to our CI workflow

* Fix various things that have been missed when rebasing

Still missing a few examples (`clock_monitor`, `embassy_spi`, `ram`)

* C6: Small updates in wdt (#1)

* C6: Update WDT

* C6: Update examples with WDT update

* Update `esp-println` dependency to fix build errors

* Fix formatting issues causing pre-commit hook to fail

* Get some more examples working

* Working `ram` example

* Sync with changes in `main` after rebasing

* Working `embassy_spi` example

* Use a git dependency for the PAC until we publish a release

* Fix I2S for ESP32-C6

* Fix esp32c6 direct boot (#4)

* Add direct boot support for C6

* Fix direct boot for c6

- Actually copy into rtc ram
- remove dummy section that is no longer needed (was just a waste of
  flash space)
- Move RTC stuff before the no load sections

* Update RWDT and refactor RTC (#3)

* C6: Update RWDT and add example, refactor RTC and add not-really-good example

* Update based on review comments, resolve bunch of warnings and run cargo fmt

* Update C6 esp-pacs rev commit

* Fix clocks_ll/esp32c6.rs

* Fix riscv interrupts

* Remove clock_monitor example for now

* RAM example works in direct-boot mode

* Add a TODO for &mut TIMG0 and cargo fmt

* Fix linker script after a bad rebase

* Update CI and Cargo.toml embassy required features

* use riscv32imac-unknown-none-elf target for C6 in CI

* change default target to riscv32imac-unknown-none-elf

* add riscv32imac-unknown-none-elf target to MSRV job

* another cleanup

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Jesse Braham <[email protected]>

* Make required changes to include new `RADIO` peripheral

* Use published versions of PAC and `esp-println`

* Use the correct target extensions (`imac`)

* Fix the super watchdog timer, plus a few more examples

* Fix UART clock configuration

* Make sure to sync UART registers when configuring AT cmd detection

* Disable APM in direct-boot mode

* Address a number of review comments

* Fix `SPI` clocks and `rtc_watchdog` example  (#6)

* fix SPI clocks

* run cargo fmt

* Add comment about used default clk src

* Fix rtc_watchdog example in BL mode

* run cargo fmt

* Update rtc_watchdog example that it works in DB mode

* README and example fixes/cleanup

* Add I2C peripheral enable and reset

* Fix `ApbSarAdc` configuration in `system.rs`

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Scott Mabin <[email protected]>
MabezDev added a commit to MabezDev/esp-hal that referenced this pull request Mar 31, 2023
* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

C6: update

* Simplify and fix the linker script

update

* C6: add I2S

* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

* C6: update

* Simplify and fix the linker script

* update

* C6: add I2S

* update

* C6 Interrupts

* C6: Update build.rs, linker scripts and initial examples

* C6: RMT

* Fix interrupt handling

* Fix `ClockControl::configure`

* C6: revert to I2S0 instead of just I2S

* C6: rebase and update

* RTC not buildable

* Implement RWDT and SWD disable

* C6: working LEDC

* C6: working RMT

* C6: add aes

* C6: add mcpwm

* C6: add rtc_cntln - not finished

* C6: update and formatting

* C6: add pcnt

* C6: add examples and format

* Remove inline assembly, fix interrupts and linker scripts

* Remove unused features, update cargo config for atomic emu, misc cleanup

* Get ADC building and example "working" (as much as it ever does)

* Remove a bunch of unused constants which were copied from ESP-IDF

* The `mcpwm` example now works correctly

* Get `TWAI` peripheral driver building for C6

* Clean up the `rtc_cntl` module and get all the other HALs building again

* Add the C6 to our CI workflow

* Fix various things that have been missed when rebasing

Still missing a few examples (`clock_monitor`, `embassy_spi`, `ram`)

* C6: Small updates in wdt (esp-rs#1)

* C6: Update WDT

* C6: Update examples with WDT update

* Update `esp-println` dependency to fix build errors

* Fix formatting issues causing pre-commit hook to fail

* Get some more examples working

* Working `ram` example

* Sync with changes in `main` after rebasing

* Working `embassy_spi` example

* Use a git dependency for the PAC until we publish a release

* Fix I2S for ESP32-C6

* Fix esp32c6 direct boot (esp-rs#4)

* Add direct boot support for C6

* Fix direct boot for c6

- Actually copy into rtc ram
- remove dummy section that is no longer needed (was just a waste of
  flash space)
- Move RTC stuff before the no load sections

* Update RWDT and refactor RTC (esp-rs#3)

* C6: Update RWDT and add example, refactor RTC and add not-really-good example

* Update based on review comments, resolve bunch of warnings and run cargo fmt

* Update C6 esp-pacs rev commit

* Fix clocks_ll/esp32c6.rs

* Fix riscv interrupts

* Remove clock_monitor example for now

* RAM example works in direct-boot mode

* Add a TODO for &mut TIMG0 and cargo fmt

* Fix linker script after a bad rebase

* Update CI and Cargo.toml embassy required features

* use riscv32imac-unknown-none-elf target for C6 in CI

* change default target to riscv32imac-unknown-none-elf

* add riscv32imac-unknown-none-elf target to MSRV job

* another cleanup

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Jesse Braham <[email protected]>

* Make required changes to include new `RADIO` peripheral

* Use published versions of PAC and `esp-println`

* Use the correct target extensions (`imac`)

* Fix the super watchdog timer, plus a few more examples

* Fix UART clock configuration

* Make sure to sync UART registers when configuring AT cmd detection

* Disable APM in direct-boot mode

* Address a number of review comments

* Fix `SPI` clocks and `rtc_watchdog` example  (esp-rs#6)

* fix SPI clocks

* run cargo fmt

* Add comment about used default clk src

* Fix rtc_watchdog example in BL mode

* run cargo fmt

* Update rtc_watchdog example that it works in DB mode

* README and example fixes/cleanup

* Add I2C peripheral enable and reset

* Fix `ApbSarAdc` configuration in `system.rs`

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Scott Mabin <[email protected]>
i404788 pushed a commit to i404788/esp-hal that referenced this pull request Jul 22, 2023
* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

C6: update

* Simplify and fix the linker script

update

* C6: add I2S

* Create the `esp32c6-hal` package

* Teach `esp-hal-common` about the ESP32-C6

* Get a number of peripheral drivers building for the ESP32-C6

bckup

initial clocks_ii

* Create the `esp32c6-hal` package

* C6: update

* Simplify and fix the linker script

* update

* C6: add I2S

* update

* C6 Interrupts

* C6: Update build.rs, linker scripts and initial examples

* C6: RMT

* Fix interrupt handling

* Fix `ClockControl::configure`

* C6: revert to I2S0 instead of just I2S

* C6: rebase and update

* RTC not buildable

* Implement RWDT and SWD disable

* C6: working LEDC

* C6: working RMT

* C6: add aes

* C6: add mcpwm

* C6: add rtc_cntln - not finished

* C6: update and formatting

* C6: add pcnt

* C6: add examples and format

* Remove inline assembly, fix interrupts and linker scripts

* Remove unused features, update cargo config for atomic emu, misc cleanup

* Get ADC building and example "working" (as much as it ever does)

* Remove a bunch of unused constants which were copied from ESP-IDF

* The `mcpwm` example now works correctly

* Get `TWAI` peripheral driver building for C6

* Clean up the `rtc_cntl` module and get all the other HALs building again

* Add the C6 to our CI workflow

* Fix various things that have been missed when rebasing

Still missing a few examples (`clock_monitor`, `embassy_spi`, `ram`)

* C6: Small updates in wdt (#1)

* C6: Update WDT

* C6: Update examples with WDT update

* Update `esp-println` dependency to fix build errors

* Fix formatting issues causing pre-commit hook to fail

* Get some more examples working

* Working `ram` example

* Sync with changes in `main` after rebasing

* Working `embassy_spi` example

* Use a git dependency for the PAC until we publish a release

* Fix I2S for ESP32-C6

* Fix esp32c6 direct boot (esp-rs#4)

* Add direct boot support for C6

* Fix direct boot for c6

- Actually copy into rtc ram
- remove dummy section that is no longer needed (was just a waste of
  flash space)
- Move RTC stuff before the no load sections

* Update RWDT and refactor RTC (esp-rs#3)

* C6: Update RWDT and add example, refactor RTC and add not-really-good example

* Update based on review comments, resolve bunch of warnings and run cargo fmt

* Update C6 esp-pacs rev commit

* Fix clocks_ll/esp32c6.rs

* Fix riscv interrupts

* Remove clock_monitor example for now

* RAM example works in direct-boot mode

* Add a TODO for &mut TIMG0 and cargo fmt

* Fix linker script after a bad rebase

* Update CI and Cargo.toml embassy required features

* use riscv32imac-unknown-none-elf target for C6 in CI

* change default target to riscv32imac-unknown-none-elf

* add riscv32imac-unknown-none-elf target to MSRV job

* another cleanup

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Jesse Braham <[email protected]>

* Make required changes to include new `RADIO` peripheral

* Use published versions of PAC and `esp-println`

* Use the correct target extensions (`imac`)

* Fix the super watchdog timer, plus a few more examples

* Fix UART clock configuration

* Make sure to sync UART registers when configuring AT cmd detection

* Disable APM in direct-boot mode

* Address a number of review comments

* Fix `SPI` clocks and `rtc_watchdog` example  (esp-rs#6)

* fix SPI clocks

* run cargo fmt

* Add comment about used default clk src

* Fix rtc_watchdog example in BL mode

* run cargo fmt

* Update rtc_watchdog example that it works in DB mode

* README and example fixes/cleanup

* Add I2C peripheral enable and reset

* Fix `ApbSarAdc` configuration in `system.rs`

---------

Co-authored-by: bjoernQ <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Juraj Sadel <[email protected]>
Co-authored-by: Scott Mabin <[email protected]>
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2 participants