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* Clear error count register on entry to `dispatch_packet`.Brian Cully2019-10-081-11/+14
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* Remove logging when allocating pipe.Brian Cully2019-10-081-6/+0
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* Cache buffer length on entry to `in_transfer` and `out_transfer`.Brian Cully2019-10-081-34/+31
| | | | Use `ptr.offset()` in `in_transfer`, rather than hand calculations.
* Refactor `dispatch_retries`.Brian Cully2019-10-081-15/+24
| | | | | | * Use `USB_XFER_TIMEOUT` for single transaction timeouts. * Ensure pipe is frozen on return. * Reset timeout on data toggle error before retry.
* More messing around with data toggle error handling.Brian Cully2019-10-081-51/+39
| | | | I will not pretend that I know this to be correct, but it seems to work.
* Handle all known transfer/pipe errors.Brian Cully2019-10-082-61/+81
| | | | | | | | | | * Remove `PipeErr::Other`. * Add more variants to `PipeErr`. * Integrate `is_transfer_complete` into `dispatch_result` and simplify. * Cache volatile `intflag` on entry to `dispatch_result` to ensure consistent handling. * Clear fail/perr `intflag` bits in `dispatch_result`.
* Don't `assume_init` when allocating device descriptor buffer.Brian Cully2019-10-081-3/+5
| | | | Unwrap after `assert` of transfer length.
* Log everything in one statement in `log_regs`.Brian Cully2019-09-241-9/+5
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* Log when a driver wants a device.Brian Cully2019-09-241-1/+2
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* Use endpoint's max packet size in transfers.Brian Cully2019-09-241-2/+1
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* Reset the USB host driver if an unrecoverable error is found.Brian Cully2019-09-241-3/+18
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* Mark pipe descriptor register memory as volatile.Brian Cully2019-09-249-324/+185
| | | | | | | Most of the values in the descriptor memory can be modified by the hardware, so we need to tell Rust that. Also, refactor the common register setup code into `register.rs`.
* Update to version 0.2.0v0.2.0Brian Cully2019-09-151-1/+1
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* Minor refactor.Brian Cully2019-09-152-16/+34
| | | | Remove let bindings and use `Option.map` instead.
* Clippy.Brian Cully2019-09-098-50/+51
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* Re-export samd51 meta-feature.v0.1.0Brian Cully2019-09-091-4/+4
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* Use latest version of atsamd-hal, remove patch.Brian Cully2019-09-021-3/+4
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* Don't allow CI failures on stable.Brian Cully2019-08-181-3/+0
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* Fix `cargo test` by removing example.Brian Cully2019-08-185-427/+1
| | | | | Unfortunate, but necessary for automated testing. Documentation will need to be added to show usage, and a demo crate.
* Remove warnings for unconstructed variants of PipeErr.Brian Cully2019-08-171-0/+1
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* Update git revs for SAMD hal stuff.Brian Cully2019-08-171-3/+3
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* Only build in CI for now. Testing is complicated.Brian Cully2019-08-171-0/+3
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* Travis, README badges.Brian Cully2019-08-172-0/+11
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* Update for starb 0.2Brian Cully2019-08-173-3/+3
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* Update README.Brian Cully2019-08-111-7/+3
| | | | Don't need special branch anymore.
* A bunch of cleanup and fixes.Brian Cully2019-08-103-72/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify the code a bunch to reduce it to states we actually care about. This will now probe my Logitech G105, NIZ Plum 85EC, and Keyboard.io Model 01. * Don't listen for wakeup interrupts. Only listen for device connection and disconnection, which wakeups sometimes mean. * Remove the SETTLE_DELAY stuff on device connection, as this appears to be handled in hardware, and prevents over-delay which was causing the Model 01 to reset, since it wasn't getting a SOF in time. * Set initial max packet size for address 0 endpoint 0 based on whether the connection is Full Speed or Low Speed. * Remove all intflag checks from USB handler that we don't explicitly set up. * Always listen dor dconn/ddisc in handler. Since we're using a ring buffer for event storage, we shouldn't miss these and always handle them in order. * Don't freeze pipes on errors. Let the hardware do it. * Don't retransmit packets on errors, just keep polling hardware. * Move trfail check to the end, since it's either dependent on previous, more specific checks, or it's just a NAK (but, for some reason, not ERRORFLOW). * Add `modify` method to control pipe register.
* Use ring buffer for USB events.Brian Cully2019-08-101-56/+24
| | | | | Get rid of the static mut that can drop intermediate events and cause innumerable race conditions.
* Use endpoint's max packet size for pipe.Brian Cully2019-08-102-4/+34
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* Remove device from driver on error.Brian Cully2019-08-101-0/+1
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* Simplify data toggle handling.Brian Cully2019-08-082-5/+10
| | | | | Only use the data toggle from hardware if we get a data toggle error. Otherwise, use computed toggle values based on endpoint.
* Re-export atsamd-hal MCU selection features.Brian Cully2019-08-081-1/+11
| | | | | This is necessary because atsamd-hal, which this crate uses, needs an MCU feature selected in order to map peripherals properly.
* Remove un-needed compiler features from simple example.Brian Cully2019-08-052-4/+1
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* Remove .cargo/config by moving it to Makefile.Brian Cully2019-08-052-18/+26
| | | | | Since I'm using `make` anyway, might as well consolidate build rules there.
* Initial commitBrian Cully2019-08-0421-0/+4255
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