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163 commits

Author SHA1 Message Date
Jonathan Pallant (42 Technology) 7e03772687 Polish the UART example. 2021-09-27 18:52:13 +01:00
Jonathan Pallant (42 Technology) b894ab9ce7 Cleaning up. 2021-09-27 18:43:01 +01:00
Jonathan Pallant (42 Technology) 225eabb449 Use peripheral clock to describe the clock signal given to peripherals. 2021-09-27 18:42:36 +01:00
Jonathan Pallant (42 Technology) 17afa25d2a Polish PWM blink example. 2021-09-27 18:37:29 +01:00
Jonathan Pallant (42 Technology) b370bb5270 Polish SPI example. 2021-09-27 18:37:20 +01:00
Jonathan Pallant (42 Technology) 0336458344 Update LCD example. 2021-09-27 18:14:54 +01:00
Jonathan Pallant (42 Technology) b7acc7c373 Polish I2C example. 2021-09-27 17:30:29 +01:00
Jonathan Pallant (42 Technology) 193972bb9f Polish GPIO example. 2021-09-27 17:30:18 +01:00
Jonathan Pallant (42 Technology) d5a07bc398 Remove hard coded clock speed from blink example. 2021-09-27 17:30:06 +01:00
Jonathan Pallant (42 Technology) 07c183a636 Remove hard coded clock speed from ADC example. 2021-09-27 17:29:50 +01:00
Jonathan Pallant (42 Technology) b0bcbe68d8 Update blinky example. 2021-09-27 14:47:25 +01:00
Jonathan Pallant (42 Technology) ed27dc9949 Update ADC example. 2021-09-27 14:42:19 +01:00
Jonathan Pallant (42 Technology) 0fa6bf9e0e README updates. 
Trying to clarify what is HAL specific and what is RP specific.
 2021-09-27 14:32:11 +01:00
Jan Niehusmann 105dcfddd7
Implement bus keep inputs, as documented in C SDK (#134) 
When both pull-up and pull-down are enabled, the RP2040 enters a
so-called "bus keep" function, which uses a weak pull to tue current
high/low state of the GPIO.

See for example
https://raspberrypi.github.io/pico-sdk-doxygen/group__hardware__gpio.html#gab6bf9552da32b3dd0a5d0db45d8374fc
 2021-09-26 23:38:07 +10:00
Rob Young d93c4fc4c8
Implement RngCore for RingOscillator (#135) 
Implement rand_core::RngCore for RingOscillator from the get_random_bit
function. This is not suitable for security purposes so
rand_core::CryptoRng has not been implemented.
 2021-09-26 20:51:01 +10:00
9names b0c15ccc77
Update changelog and bump verson for hal release 0.3.0 (#121) 
* Update CHANGELOG.md and Cargo.toml for release 0.3.0

* Bump BSP hal dep version
 2021-09-22 20:43:30 +10:00
Jonathan Nilsson be4a7e0498
Make Spi::set_baudrate public (#116) 2021-09-22 20:41:21 +10:00
Jonathan Pallant (42 Technology) 3e036cf9b0 Polishing the blinky examples. 2021-09-21 10:03:47 +01:00
Henrik Lievonen 904b6f0ab9
Implement GPIO override (#123) 
* Implement GPIO override

Interrupt status, input, output enable and output can be overridden.
See documentation for GPIO0_CTRL.

* Fix override enum names

* Use override_value instead of raw identifier
 2021-09-20 19:38:12 +10:00
Henrik Lievonen 25e477b73e
Fix PWM set/clr_inverted (#122) 2021-09-20 12:20:42 +10:00
9names ac7a17f6e1
Add doc example for i2c (#112) 2021-09-19 22:34:11 +10:00
9names 0942a170f1
Add basic SPI example (#113) 2021-09-19 22:33:36 +10:00
Wilfried Chauveau 1d5dd15092 Work around enumeration issues with small ep0 max packet size. 
Prevents DataIn of the previous request from being sent to the host when
a new setup is received.
 2021-09-19 22:27:17 +10:00
9names 98b8e3ae9c
Handle usb interrupt flags in driver (#106) 
Set interrupt enable flags in USB driver. The flags were already being cleared in the USB driver.
Update USB examples to remove interrupt flag set/check as it is no longer necessary.
 2021-09-17 09:40:10 +10:00
Wilfried Chauveau c509b9d22f
Add embedded_hal::timer support (#110) 
* Add embedded_hal::timer support

* fixup: add pico countdown based blinky example & rework get_counter(&self) -> u16
 2021-09-16 18:47:34 +10:00
Gus Caplan 833b69819e use pio instruction encoding apis 2021-09-16 17:40:25 +10:00
Jonathan Nilsson b399c96cf5
Fixed u8 overflow in spi with large postdiv (#111) 2021-09-16 10:12:58 +10:00
Henrik Lievonen d941f5637b
PIO support (#74) 
Initial implementation of PIO 

Add all of the infrastructure required to include PIO programs and interact with PIO peripheral registers.
This was a massive effort between @devsnek and @henkkuli. It's great that it's now ready to go.

Co-authored-by: Gus Caplan <me@gus.host>
 2021-09-16 00:32:00 +10:00
Jonathan Nilsson 8a42d6cf8a
Update pac so we can use rt 0.7 (#107) 
* Update pac so we can use rt 0.7

* Update pac in all board crates
 2021-09-15 15:07:25 +10:00
9names 7afa19a82b
Usb fixes (#104) 
* Remove check for ep0 buffer.len == 64

* Simplify EP buffer check
 2021-09-11 18:31:45 +10:00
Jonathan Nilsson 0e5d582363 Fix adc giving wrong values on sequential reads of multiple channels 2021-09-10 20:34:24 +10:00
Wilfried Chauveau db11231f49
Implement usb_device for rp2040 (#98) 
Implement usb_device for rp2040

Limitations
- RP2040-E5 (Device enumeration workaround) is not implemented
- Suspend/resume is not implemented
- VBus detection is not tested and may not be fully implemented
 2021-09-09 17:55:30 +10:00
9names 9d2e18dc70
Add ADC example and doc-example (#93) 2021-09-02 22:40:13 +10:00
9names 301281cba8
i2c lockup fix (#94) 
* Fix check for empty tx-fifo

* Add read trait

* Move from asserts to Err for read/write errors
 2021-09-02 22:34:12 +10:00
Hmvp ffa39f65f5
Pwm improvements (#61) 
* Reimplement PWM driver using typestates
* Improve docs
 2021-09-02 09:37:17 +10:00
Hmvp 216aad2c76 Update and move readmes 
The READMEs that go to crates.io need to be in the crate dir
 2021-08-26 00:18:55 +10:00
Jonathan 'theJPster' Pallant db7217192a
Merge pull request #96 from 9names/gpio-doc 
Add doc example for gpio
 2021-08-23 22:31:36 +01:00
9names 4c38af0079 Add doc-example to gpio 2021-08-23 23:15:20 +10:00
Jonathan 'theJPster' Pallant ee5e6ee1cb
Merge pull request #90 from 9names/i2c-hacks 
I2c fixes
 2021-08-21 19:43:04 +01:00
9names fae1caaca9
Watchdog example (#86) 
* Add watchdog example

* Add watchdog doc-example

* Add changes to the change log
 2021-08-21 21:05:55 +10:00
9names 151b754d90 Remove setting fields set by default() 2021-08-21 15:17:51 +10:00
9names 021221ede3 Switch the modify where C SDK does 2021-08-21 02:16:25 +10:00
9names 31b9aa85d1 Ensure only pull-up or pull-down is enabled 2021-08-21 02:09:26 +10:00
9names e00a432ed5 Enable internal pullups for i2c 2021-08-21 02:07:56 +10:00
9names dbcaf1933a Fix limits on acceptable ranges 2021-08-21 01:47:11 +10:00
9names 50dbb8a22f Fix transposed variable names 2021-08-21 01:46:39 +10:00
Gus Caplan 04424fb7d4 implement timer counter 2021-08-15 12:42:56 +10:00
Hmvp d4ec87b2f7 Prepare for first release 2021-08-14 20:03:02 +10:00
Hmvp bfe6903751 Correct clobbering registers in pwm subsystem 2021-08-14 18:49:14 +10:00
Hmvp d3cb29b113
Fix doc examples and add checking (#76) 
* Fix doc examples for peripheral drivers
* Add no_run to doc examples so they can be built by CI
* Enable building doc examples in CI check workflow
 2021-08-11 10:53:42 +10:00