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Switched the GPIO matrix driver to debouncing using a simple integrator
algorithm. Whenever a key is pressed, we now scan at a rate controlled
by debounce-scan-period-ms (default 1 ms) until all keys are released,
then return to either waiting for an interrupt or polling more slowly.
The timers for key press and release can now be controlled separately,
so debounce-period is deprecated in favor of debounce-press-ms and
debounce-release-ms. Global Kconfig options
ZMK_KSCAN_DEBOUNCE_PRESS_MS and ZMK_KSCAN_DEBOUNCE_RELEASE_MS are also
added to make these easier to set.
Added documentation for debouncing options.
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* Upstream Zephyr has in progress driver, so doing this locally here,
until we can move over to that driver.
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Refactored the GPIO matrix kscan driver so that only the data and config
structures are defined in the foreach macro. Functionality is unchanged
except for the addition of DT properties to adjust polling speed.
This should make it easier to add other enhancements later, like
improved and customizable debounce behavior.
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Added a driver which uses the nRF52's ADC channel on the VDDH pin to
read the battery voltage when using high voltage mode.
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prettier --write .
PR: #563
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PR: #400
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* Switch interrupt configuration so nRF52 uses
PORT events for lower power use, and wake
from deep sleep.
* Closes #272
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Updated function calls with missing reference. GPIO missing.
To my understanding:
DT_INST_GPIO_PIN() should be called instead if DT_INST_PIN()
DT_INST_GPIO_FLAGS() should be called instead if DT_INST_GPIO_FLAGS()
Current implementation does not compile when using control pin.
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module.yaml is not a valid module filename.
See Zephyr `scripts/zephyr_module.py`
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- Remove kscan_gpio_irq_callback
- Remove kscan_gpio_irq_callback_handler
- Remove irq_callbacks
+ Add TODO noting timer and sleep state interactions
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+ zmk,kscan_gpio_demux is now a compatible kscan option
+ kscan_gpio_demux is based heavily off of the implementation of
kscan_gpio_matrix, modified to address cols using an n-to-1
demultiplexer chip instead of discrete IO
+ Added zmk,kscan_gpio_demux.yaml file
* modified CMakeLists to include new source files
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Use PORT events for kscan matrix interrupts, add option for deep sleep.
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* New ZMK_SLEEP Kconfig symbol to enable the functionality.
* Switch to PORT events that allows wake from deep sleep.
* Initial basic power management policy, with idle ms,
and ignoring deep sleep if we detect a USB connection.
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* Lower power usage compared to regular interrupts on nrf52.
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Fixed initializing interrupts for direct GPIO when
CONFIG_ZMK_KSCAN_DIRECT_POLLING is not enabled. IS_ENABLED() is needed to map
the possibly-undefined value to 0 or 1 so COND_CODE_0() and COND_CODE_1() work.
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Fixes "device.h:101:11: error: redefinition of '__device_ec11'" in firmware that
has more than one encoder.
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Zephyr macros where appropriate.
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interrupt-based IO.
- Add ZMK_KSCAN_MATRIX_POLLING config flag to Kconfig
- Update matrix driver code to use the above flag to conditionally add the handling code for polling operations.
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addition of new matrix driver flag that enables polling.
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matrix gpio driver.
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* Use the LLVM style
* Override indent width (8) and column limit (100)
* Fixes #142.
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* Especially for splits, we need the ability to
unpair all paired devices as sledgehammer
if we need to "reset things", and doing so via
keymaps isn't suitable.
* Allows shields to define a collection of key
positions that if all held 2 seconds after
startup, will unpair all existing pairs for the
device.
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