76 lines
3.0 KiB
C
76 lines
3.0 KiB
C
/*
|
|
* Copyright 2023 Fabian Blatz <fabianblatz@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define DT_DRV_COMPAT zephyr_lvgl_keypad_input
|
|
|
|
#include "lvgl_common_input.h"
|
|
#include "lvgl_keypad_input.h"
|
|
#include <zephyr/sys/util.h>
|
|
|
|
#include <zephyr/logging/log.h>
|
|
|
|
LOG_MODULE_DECLARE(lvgl, CONFIG_LV_Z_LOG_LEVEL);
|
|
|
|
struct lvgl_keypad_input_config {
|
|
struct lvgl_common_input_config common_config; /* Needs to be first member */
|
|
const uint16_t *input_codes;
|
|
const uint16_t *lvgl_codes;
|
|
uint8_t num_codes;
|
|
};
|
|
|
|
static void lvgl_keypad_process_event(struct input_event *evt, void *user_data)
|
|
{
|
|
const struct device *dev = user_data;
|
|
struct lvgl_common_input_data *data = dev->data;
|
|
const struct lvgl_keypad_input_config *cfg = dev->config;
|
|
uint8_t i;
|
|
|
|
for (i = 0; i < cfg->num_codes; i++) {
|
|
if (evt->code == cfg->input_codes[i]) {
|
|
data->pending_event.key = cfg->lvgl_codes[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == cfg->num_codes) {
|
|
LOG_WRN("Ignored input event: %u", evt->code);
|
|
return;
|
|
}
|
|
|
|
data->pending_event.state = evt->value ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL;
|
|
if (k_msgq_put(cfg->common_config.event_msgq, &data->pending_event, K_NO_WAIT) != 0) {
|
|
LOG_WRN("Could not put input data into keypad queue");
|
|
}
|
|
}
|
|
|
|
int lvgl_keypad_input_init(const struct device *dev)
|
|
{
|
|
return lvgl_input_register_driver(LV_INDEV_TYPE_KEYPAD, dev);
|
|
}
|
|
|
|
#define ASSERT_PROPERTIES(inst) \
|
|
BUILD_ASSERT(DT_INST_PROP_LEN(inst, input_codes) == DT_INST_PROP_LEN(inst, lvgl_codes), \
|
|
"Property input-codes must have the same length as lvgl-codes.");
|
|
|
|
#define LVGL_KEYPAD_INPUT_DEFINE(inst) \
|
|
ASSERT_PROPERTIES(inst); \
|
|
LVGL_INPUT_DEFINE(inst, keypad, CONFIG_LV_Z_KEYPAD_INPUT_MSGQ_COUNT, \
|
|
lvgl_keypad_process_event); \
|
|
static const uint16_t lvgl_keypad_input_codes_##inst[] = DT_INST_PROP(inst, input_codes); \
|
|
static const uint16_t lvgl_keypad_lvgl_codes_##inst[] = DT_INST_PROP(inst, lvgl_codes); \
|
|
static const struct lvgl_keypad_input_config lvgl_keypad_input_config_##inst = { \
|
|
.common_config.event_msgq = &LVGL_INPUT_EVENT_MSGQ(inst, keypad), \
|
|
.input_codes = lvgl_keypad_input_codes_##inst, \
|
|
.lvgl_codes = lvgl_keypad_lvgl_codes_##inst, \
|
|
.num_codes = DT_INST_PROP_LEN(inst, input_codes), \
|
|
}; \
|
|
static struct lvgl_common_input_data lvgl_common_input_data_##inst; \
|
|
DEVICE_DT_INST_DEFINE(inst, NULL, NULL, &lvgl_common_input_data_##inst, \
|
|
&lvgl_keypad_input_config_##inst, POST_KERNEL, \
|
|
CONFIG_INPUT_INIT_PRIORITY, NULL);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(LVGL_KEYPAD_INPUT_DEFINE)
|