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77 lines
3.2 KiB
77 lines
3.2 KiB
/* |
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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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#define DT_DRV_COMPAT zephyr_lvgl_keypad_input |
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#include "lvgl_common_input.h" |
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#include "lvgl_keypad_input.h" |
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#include <zephyr/sys/util.h> |
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#include <zephyr/logging/log.h> |
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LOG_MODULE_DECLARE(lvgl, CONFIG_LV_Z_LOG_LEVEL); |
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struct lvgl_keypad_input_config { |
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struct lvgl_common_input_config common_config; /* Needs to be first member */ |
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const uint16_t *input_codes; |
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const uint16_t *lvgl_codes; |
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uint8_t num_codes; |
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}; |
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static void lvgl_keypad_process_event(struct input_event *evt, void *user_data) |
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{ |
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const struct device *dev = user_data; |
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struct lvgl_common_input_data *data = dev->data; |
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const struct lvgl_keypad_input_config *cfg = dev->config; |
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uint8_t i; |
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for (i = 0; i < cfg->num_codes; i++) { |
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if (evt->code == cfg->input_codes[i]) { |
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data->pending_event.key = cfg->lvgl_codes[i]; |
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break; |
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} |
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} |
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if (i == cfg->num_codes) { |
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LOG_WRN("Ignored input event: %u", evt->code); |
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return; |
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} |
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data->pending_event.state = evt->value ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED; |
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if (k_msgq_put(cfg->common_config.event_msgq, &data->pending_event, K_NO_WAIT) != 0) { |
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LOG_WRN("Could not put input data into keypad queue"); |
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} |
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} |
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int lvgl_keypad_input_init(const struct device *dev) |
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{ |
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return lvgl_input_register_driver(LV_INDEV_TYPE_KEYPAD, dev); |
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} |
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#define ASSERT_PROPERTIES(inst) \ |
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BUILD_ASSERT(DT_INST_PROP_LEN(inst, input_codes) == DT_INST_PROP_LEN(inst, lvgl_codes), \ |
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"Property input-codes must have the same length as lvgl-codes."); |
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#define LVGL_KEYPAD_INPUT_DEFINE(inst) \ |
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ASSERT_PROPERTIES(inst); \ |
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LVGL_INPUT_DEFINE(inst, keypad, CONFIG_LV_Z_KEYPAD_INPUT_MSGQ_COUNT, \ |
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lvgl_keypad_process_event); \ |
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static const uint16_t lvgl_keypad_input_codes_##inst[] = DT_INST_PROP(inst, input_codes); \ |
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static const uint16_t lvgl_keypad_lvgl_codes_##inst[] = DT_INST_PROP(inst, lvgl_codes); \ |
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static const struct lvgl_keypad_input_config lvgl_keypad_input_config_##inst = { \ |
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.common_config.event_msgq = &LVGL_INPUT_EVENT_MSGQ(inst, keypad), \ |
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.common_config.display_dev = \ |
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DEVICE_DT_GET_OR_NULL(DT_INST_PHANDLE(inst, display)), \ |
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.input_codes = lvgl_keypad_input_codes_##inst, \ |
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.lvgl_codes = lvgl_keypad_lvgl_codes_##inst, \ |
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.num_codes = DT_INST_PROP_LEN(inst, input_codes), \ |
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}; \ |
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static struct lvgl_common_input_data lvgl_common_input_data_##inst; \ |
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DEVICE_DT_INST_DEFINE(inst, NULL, NULL, &lvgl_common_input_data_##inst, \ |
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&lvgl_keypad_input_config_##inst, POST_KERNEL, \ |
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CONFIG_INPUT_INIT_PRIORITY, NULL); |
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DT_INST_FOREACH_STATUS_OKAY(LVGL_KEYPAD_INPUT_DEFINE)
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