Arm ps2 mouse interrupt (#6490)
* ps2_mouse on ARM: an interrupt-version of the ps2-mouse code ported to ARM/chibios * ps2_mouse on ARM: link EXT callback-channel selection to the user defined PS2_LINE_CLOCK * ps2_mouse on ARM: replace DELAY_X defines with hardware-agnostic wait_X * ps2_mouse on ARM: replace chibios-specific defines for the pins/lines with defines from quantum/config_common.h and drop the '_LINE' component from teh define name * ps2_mouse on ARM: expose the software-intterupt port as a user editable define * Update docs/feature_ps2_mouse.md Co-Authored-By: Hugo van Kemenade <hugovk@users.noreply.github.com> * Update feature_ps2_mouse.md * use a define to deduce the PS_DATA_PORT instead * reduce all-zero extcfg to oneliner * ps2_mouse: use generic wait instead of avr-delay * Update docs/feature_ps2_mouse.md * ps2_mouse: changes for new chibios version (17.6.0 -> 19.1.0) replacing the legacy externa-interrupt driver with pal-callbacks * ps2_mouse: use PLATFORM_KEY Co-Authored-By: Joel Challis <git@zvecr.com> * ps2_mouse: clang-format corrections * ps2_mouse: add systemlocks using the chibios equivalent to AVRs cli: chSys[Unl|L]ock Co-authored-by: Johannes <you@example.com> Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com> Co-authored-by: Joel Challis <git@zvecr.com>
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@ -50,7 +50,7 @@ In your keyboard config.h:
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#endif
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```
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## Interrupt Version :id=interrupt-version
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### Interrupt Version (AVR/ATMega32u4) :id=interrupt-version-avr
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The following example uses D2 for clock and D5 for data. You can use any INT or PCINT pin for clock, and any pin for data.
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@ -88,7 +88,31 @@ In your keyboard config.h:
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#endif
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```
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## USART Version :id=usart-version
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### Interrupt Version (ARM chibios) :id=interrupt-version-chibios
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Pretty much any two pins can be used for the (software) interrupt variant on ARM cores. The example below uses A8 for clock, and A9 for data.
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In rules.mk:
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```
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PS2_MOUSE_ENABLE = yes
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PS2_USE_INT = yes
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```
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In your keyboard config.h:
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```c
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#define PS2_CLOCK A8
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#define PS2_DATA A9
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```
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And in the chibios specifig halconf.h:
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```c
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#define PAL_USE_CALLBACKS TRUE
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```
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### USART Version :id=usart-version
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To use USART on the ATMega32u4, you have to use PD5 for clock and PD2 for data. If one of those are unavailable, you need to use interrupt version.
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