e6f168d6df
* Allow each behavior to map a relative binding, e.g. "toggle", to an absolute one, e.g. "on", before being invoked.
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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* Copyright (c) 2020 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#define DT_DRV_COMPAT zmk_behavior_ext_power
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#include <device.h>
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#include <devicetree.h>
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#include <drivers/behavior.h>
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#include <drivers/ext_power.h>
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#include <dt-bindings/zmk/ext_power.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)
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static int
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on_keymap_binding_convert_central_state_dependent_params(struct zmk_behavior_binding *binding,
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struct zmk_behavior_binding_event event) {
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const struct device *ext_power = device_get_binding("EXT_POWER");
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if (ext_power == NULL) {
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LOG_ERR("Unable to retrieve ext_power device: %d", binding->param1);
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return -EIO;
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}
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if (binding->param1 == EXT_POWER_TOGGLE_CMD) {
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binding->param1 = ext_power_get(ext_power) > 0 ? EXT_POWER_OFF_CMD : EXT_POWER_ON_CMD;
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}
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return 0;
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}
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static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
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struct zmk_behavior_binding_event event) {
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const struct device *ext_power = device_get_binding("EXT_POWER");
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if (ext_power == NULL) {
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LOG_ERR("Unable to retrieve ext_power device: %d", binding->param1);
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return -EIO;
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}
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switch (binding->param1) {
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case EXT_POWER_OFF_CMD:
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return ext_power_disable(ext_power);
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case EXT_POWER_ON_CMD:
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return ext_power_enable(ext_power);
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case EXT_POWER_TOGGLE_CMD:
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if (ext_power_get(ext_power) > 0)
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return ext_power_disable(ext_power);
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else
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return ext_power_enable(ext_power);
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default:
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LOG_ERR("Unknown ext_power command: %d", binding->param1);
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}
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return -ENOTSUP;
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}
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static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
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struct zmk_behavior_binding_event event) {
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return ZMK_BEHAVIOR_OPAQUE;
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}
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static int behavior_ext_power_init(const struct device *dev) { return 0; };
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static const struct behavior_driver_api behavior_ext_power_driver_api = {
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.binding_convert_central_state_dependent_params =
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on_keymap_binding_convert_central_state_dependent_params,
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.binding_pressed = on_keymap_binding_pressed,
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.binding_released = on_keymap_binding_released,
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};
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DEVICE_AND_API_INIT(behavior_ext_power, DT_INST_LABEL(0), behavior_ext_power_init, NULL, NULL,
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APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY, &behavior_ext_power_driver_api);
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#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */
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