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181 commits

Author SHA1 Message Date
Jennifer Wilcox eaea9ae1ed Concentrate the unsafe register constructs 
This moves almost all of the unsafe stuff together. The last remaining bit is going to need a PAC fix.
 2021-04-25 12:13:44 -05:00
Jennifer Wilcox 8290368c10 Pull pads out of reset and wait 
We're technically supposed to wait for these resets to finish before poking at registers. This seems to fix the instability I was seeing on the input example especially (TBH I have no idea how it ever worked)
 2021-04-25 11:43:44 -05:00
Jennifer Wilcox 7e45c96a65 Do reset in a good way instead of a wacky way 2021-04-25 11:17:33 -05:00
Jennifer Wilcox b3b7677f82 More review comments 2021-04-25 11:13:21 -05:00
Nic0w 6157ce552f Move PLL parameters into a struct to help testability and reconfiguration of the PLL. 2021-04-25 17:51:03 +02:00
Jennifer Wilcox 037fc665b2
Apply suggestions from code review 
Co-authored-by: tdittr <tdittr@users.noreply.github.com>
 2021-04-25 10:15:32 -05:00
Nic0w 2a704a73f0 Adding blocking helper method to setup the XOSC easily. 2021-04-25 16:34:48 +02:00
Nic0w b9080d0a92 Working implementation of an UART HAL. 2021-04-25 10:51:46 +02:00
Nic0w ff418b0453 Working implementation of a PLL HAL. 2021-04-25 10:12:38 +02:00
Nic0w 8f6aea6a31 Fix compilation issues. 2021-04-25 09:03:20 +02:00
Nic0w 72694a07b5 Fix frequency range check. 2021-04-25 08:58:43 +02:00
Jennifer Wilcox 422a45fbc5 Add documentation 2021-04-24 18:41:12 -05:00
Jennifer Wilcox 94f67f7eca Finish configuration options for IOs 2021-04-24 18:03:03 -05:00
Nic0w d5cbd44ade Fixing calculation bug pointed out by @tdittr 2021-04-25 00:36:46 +02:00
Jennifer Wilcox 3536604b9e Block input reads on Unknown state 2021-04-24 17:28:33 -05:00
Nic0w 568cafe2d1 Multiple changes related to @tdittr 's comments 2021-04-24 23:38:49 +02:00
Jennifer Wilcox 2e5c1fc0e3 Cleanup wacky imports in examples 2021-04-24 16:22:27 -05:00
Jennifer Wilcox 2c3a0956fa Add input support, examples, SIO/PADS ownership 
Sorry this is a large commit :(

This adds support for input pins, including pulling them high or low.

It also adds two examples: the start of a classic blinky LED example, and an example for reading input.
 2021-04-24 16:18:57 -05:00
Nic0w ed1e847618 Remove line as it builds fine without it. 2021-04-24 22:26:26 +02:00
Nic0w d0d9291cde Working HAL for the XOSC 2021-04-24 13:38:17 +02:00
Jennifer Wilcox 45580ec4c8 Add basic output support for GPIOs 2021-04-17 18:22:15 -05:00
Jennifer Wilcox d318d05067 Run cargo fmt 2021-04-17 14:11:47 -05:00
Jan Niehusmann 5494ce7539 rom function git_revision() does return an u32, not a &str 2021-02-15 23:28:13 +00:00
Jan Niehusmann d6231bd3ec fix rom_table_lookup 
It seems like the rom_table_lookup missed one level of
pointer dereferencing.

After comparing it to the working call to reset_usb_boot() in
https://github.com/jannic/rp-microcontroller-rs/blob/master/util/rp2040-panic-usb-boot/src/lib.rs,
I changed the code until it generated basically the same assembly.

With that change, I was able to successfully call rom_data::reset_to_usb_boot()

I still don't like the type RomTableLookupFn, which just returns
some generic T without any checks, and I think rom_table_lookup
should be unsafe. But as none of those are pub, it doesn't matter too
much. So I just made the changes necessary to make the code work.
 2021-02-15 22:16:43 +00:00
Asaf Fisher 913c5fb0b2 rom: Fix type error 2021-02-03 21:49:48 +02:00
Asaf Fisher 1848789ca3 rom: Make rom_funcs functions call function instead of returning it 2021-02-03 21:43:14 +02:00
Asaf Fisher a9a8df8c79 rom: Add comments to rom content 2021-02-03 15:57:44 +02:00
Asaf Fisher 6eccce595c rom: Change rom_table_lookup to use the rom's built in one 2021-02-03 15:57:44 +02:00
Gus Caplan 1c75ed3844 rom: Add rom content 2021-02-03 03:10:00 +02:00
evan 98baabec93 Added skeleton for HAL and updated readme 2021-01-25 15:42:43 -05:00
evan 22a3669a9d Initial Commit: Updated author information. 2021-01-22 09:18:12 -05:00