c536bd3845
Add the scaffolding to create input lvgl pseudo devices which route zephyr input_event to their lvgl `indev` equivalent. As a first cut also add a `zephyr,lvgl-pointer-input compatible which can be a drop-in replacement for the existing kscan solution. Signed-off-by: Fabian Blatz <fabianblatz@gmail.com>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/*
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* Copyright 2023 Fabian Blatz <fabianblatz@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_MODULES_LVGL_LVGL_COMMON_INPUT_H_
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#define ZEPHYR_MODULES_LVGL_LVGL_COMMON_INPUT_H_
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#include <lvgl.h>
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#include <zephyr/device.h>
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#include <zephyr/input/input.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct lvgl_common_input_config {
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struct k_msgq *event_msgq;
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};
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struct lvgl_common_input_data {
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lv_indev_drv_t indev_drv;
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lv_indev_t *indev;
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lv_indev_data_t pending_event;
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};
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int lvgl_input_register_driver(lv_indev_type_t indev_type, const struct device *dev);
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#define LVGL_INPUT_EVENT_MSGQ(inst, type) lvgl_input_msgq_##type##_##inst
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#define LVGL_INPUT_DEVICE(inst) DEVICE_DT_GET_OR_NULL(DT_INST_PHANDLE(inst, input))
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#define LVGL_COORD_VALID(coord) IN_RANGE(coord, LV_COORD_MIN, LV_COORD_MAX)
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#define LVGL_KEY_VALID(key) IN_RANGE(key, 0, UINT8_MAX)
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#define LVGL_INPUT_DEFINE(inst, type, msgq_size, process_evt_cb) \
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static void lvgl_input_cb_##_##inst(struct input_event *evt) \
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{ \
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process_evt_cb(DEVICE_DT_INST_GET(inst), evt); \
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} \
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INPUT_CALLBACK_DEFINE(LVGL_INPUT_DEVICE(inst), lvgl_input_cb_##_##inst); \
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K_MSGQ_DEFINE(lvgl_input_msgq_##type##_##inst, sizeof(lv_indev_data_t), msgq_size, 4)
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* ZEPHYR_MODULES_LVGL_LVGL_COMMON_INPUT_H_ */
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