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modules: lvgl: Remove LVGL pointer kscan

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Removes the wrapper code of the kscan based pointer input device. It was
implemented during the transitioning phase until all intree drivers were
converted to the input subsystem.

Signed-off-by: Fabian Blatz <fabianblatz@gmail.com>
This commit is contained in:
Fabian Blatz 2024-06-05 17:02:51 +02:00 committed by Anas Nashif
parent e9c23274af
commit 5a62c1137c
3 changed files with 0 additions and 184 deletions
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1
modules/lvgl/CMakeLists.txt
View file

@ -232,7 +232,6 @@ zephyr_library_sources_ifdef(CONFIG_LV_Z_MEM_POOL_SYS_HEAP lvgl_mem.c)
zephyr_library_sources_ifdef(CONFIG_LV_Z_SHELL lvgl_shell.c)
zephyr_library_sources(input/lvgl_common_input.c)
zephyr_library_sources_ifdef(CONFIG_LV_Z_POINTER_KSCAN input/lvgl_pointer_kscan.c)
zephyr_library_sources_ifdef(CONFIG_LV_Z_POINTER_INPUT input/lvgl_pointer_input.c)
zephyr_library_sources_ifdef(CONFIG_LV_Z_BUTTON_INPUT input/lvgl_button_input.c)
zephyr_library_sources_ifdef(CONFIG_LV_Z_ENCODER_INPUT input/lvgl_encoder_input.c)

34
modules/lvgl/Kconfig.input
View file

@ -4,40 +4,6 @@
menu "Input device settings"
config LV_Z_POINTER_KSCAN
bool "Keyboard scan pointer input"
depends on KSCAN
help
Enable keyboard scan pointer input
if LV_Z_POINTER_KSCAN
config LV_Z_POINTER_KSCAN_MSGQ_COUNT
int "Keyboard scan message queue count maximum"
default 10
help
Maximum number of items in the keyboard scan message queue.
config LV_Z_POINTER_KSCAN_SWAP_XY
bool "Swap keyboard scan X,Y axes"
help
Swap keyboard scan X,Y axes. This option can be used to align keyboard
scan coordinates with the display.
config LV_Z_POINTER_KSCAN_INVERT_X
bool "Invert keyboard scan X axis"
help
Invert keyboard scan X axis. This option can be used to align keyboard
scan coordinates with the display.
config LV_Z_POINTER_KSCAN_INVERT_Y
bool "Invert keyboard scan Y axis"
help
Invert keyboard scan Y axis. This option can be used to align keyboard
scan coordinates with the display.
endif # LV_Z_POINTER_KSCAN
config LV_Z_POINTER_INPUT
bool "Input lvgl pointer"
default y

149
modules/lvgl/input/lvgl_pointer_kscan.c
View file

@ -1,149 +0,0 @@
/*
* Copyright 2023 Fabian Blatz <fabianblatz@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <lvgl.h>
#include <zephyr/drivers/kscan.h>
#include <zephyr/kernel.h>
#include "lvgl_display.h"
#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(lvgl, CONFIG_LV_Z_LOG_LEVEL);
static lv_indev_drv_t indev_drv;
#define KSCAN_NODE DT_CHOSEN(zephyr_keyboard_scan)
K_MSGQ_DEFINE(kscan_msgq, sizeof(lv_indev_data_t), CONFIG_LV_Z_POINTER_KSCAN_MSGQ_COUNT, 4);
static void lvgl_pointer_kscan_callback(const struct device *dev, uint32_t row, uint32_t col,
bool pressed)
{
lv_indev_data_t data = {
.point.x = col,
.point.y = row,
.state = pressed ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL,
};
if (k_msgq_put(&kscan_msgq, &data, K_NO_WAIT) != 0) {
LOG_DBG("Could not put input data into queue");
}
}
static void lvgl_pointer_kscan_read(lv_indev_drv_t *drv, lv_indev_data_t *data)
{
lv_disp_t *disp;
struct lvgl_disp_data *disp_data;
struct display_capabilities *cap;
lv_indev_data_t curr;
static lv_indev_data_t prev = {
.point.x = 0,
.point.y = 0,
.state = LV_INDEV_STATE_REL,
};
if (k_msgq_get(&kscan_msgq, &curr, K_NO_WAIT) != 0) {
goto set_and_release;
}
prev = curr;
disp = lv_disp_get_default();
disp_data = disp->driver->user_data;
cap = &disp_data->cap;
/* adjust kscan coordinates */
if (IS_ENABLED(CONFIG_LV_Z_POINTER_KSCAN_SWAP_XY)) {
lv_coord_t x;
x = prev.point.x;
prev.point.x = prev.point.y;
prev.point.y = x;
}
if (IS_ENABLED(CONFIG_LV_Z_POINTER_KSCAN_INVERT_X)) {
if (cap->current_orientation == DISPLAY_ORIENTATION_NORMAL ||
cap->current_orientation == DISPLAY_ORIENTATION_ROTATED_180) {
prev.point.x = cap->x_resolution - prev.point.x;
} else {
prev.point.x = cap->y_resolution - prev.point.x;
}
}
if (IS_ENABLED(CONFIG_LV_Z_POINTER_KSCAN_INVERT_Y)) {
if (cap->current_orientation == DISPLAY_ORIENTATION_NORMAL ||
cap->current_orientation == DISPLAY_ORIENTATION_ROTATED_180) {
prev.point.y = cap->y_resolution - prev.point.y;
} else {
prev.point.y = cap->x_resolution - prev.point.y;
}
}
/* rotate touch point to match display rotation */
if (cap->current_orientation == DISPLAY_ORIENTATION_ROTATED_90) {
lv_coord_t x;
x = prev.point.x;
prev.point.x = prev.point.y;
prev.point.y = cap->y_resolution - x;
} else if (cap->current_orientation == DISPLAY_ORIENTATION_ROTATED_180) {
prev.point.x = cap->x_resolution - prev.point.x;
prev.point.y = cap->y_resolution - prev.point.y;
} else if (cap->current_orientation == DISPLAY_ORIENTATION_ROTATED_270) {
lv_coord_t x;
x = prev.point.x;
prev.point.x = cap->x_resolution - prev.point.y;
prev.point.y = x;
}
/* filter readings within display */
if (prev.point.x <= 0) {
prev.point.x = 0;
} else if (prev.point.x >= cap->x_resolution) {
prev.point.x = cap->x_resolution - 1;
}
if (prev.point.y <= 0) {
prev.point.y = 0;
} else if (prev.point.y >= cap->y_resolution) {
prev.point.y = cap->y_resolution - 1;
}
set_and_release:
*data = prev;
data->continue_reading = k_msgq_num_used_get(&kscan_msgq) > 0;
}
static int lvgl_kscan_pointer_init(void)
{
const struct device *kscan_dev = DEVICE_DT_GET(KSCAN_NODE);
if (!device_is_ready(kscan_dev)) {
LOG_ERR("Keyboard scan device not ready.");
return -ENODEV;
}
if (kscan_config(kscan_dev, lvgl_pointer_kscan_callback) < 0) {
LOG_ERR("Could not configure keyboard scan device.");
return -ENODEV;
}
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.read_cb = lvgl_pointer_kscan_read;
if (lv_indev_drv_register(&indev_drv) == NULL) {
LOG_ERR("Failed to register input device.");
return -EPERM;
}
kscan_enable_callback(kscan_dev);
return 0;
}
SYS_INIT(lvgl_kscan_pointer_init, APPLICATION, CONFIG_INPUT_INIT_PRIORITY);