zephyr/subsys/input/input_utils.c

130 lines
2.7 KiB
C

/*
* Copyright 2023 Google LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/input/input.h>
#include <zephyr/logging/log.h>
#include <zephyr/shell/shell.h>
#include <zephyr/sys/atomic.h>
LOG_MODULE_DECLARE(input);
#ifdef CONFIG_INPUT_EVENT_DUMP
#ifdef CONFIG_INPUT_SHELL
static atomic_t dump_enable;
static bool input_dump_enabled(void)
{
return atomic_get(&dump_enable);
}
static int input_cmd_dump(const struct shell *sh, size_t argc, char *argv[])
{
bool enabled;
int err = 0;
enabled = shell_strtobool(argv[1], 0, &err);
if (err) {
shell_error(sh, "Invalid argument: %s", argv[1]);
return err;
}
if (enabled) {
shell_info(sh, "Input event dumping enabled");
atomic_set(&dump_enable, 1);
} else {
atomic_set(&dump_enable, 0);
}
return 0;
}
#else
static bool input_dump_enabled(void)
{
return true;
}
#endif /* CONFIG_INPUT_SHELL */
static void input_cb(struct input_event *evt)
{
if (!input_dump_enabled()) {
return;
}
LOG_INF("input event: dev=%-16s %3s type=%2x code=%3d value=%d",
evt->dev ? evt->dev->name : "NULL",
evt->sync ? "SYN" : "",
evt->type,
evt->code,
evt->value);
}
INPUT_LISTENER_CB_DEFINE(NULL, input_cb);
#endif /* CONFIG_INPUT_EVENT_DUMP */
#ifdef CONFIG_INPUT_SHELL
static int input_cmd_report(const struct shell *sh, size_t argc, char *argv[])
{
bool sync;
int err = 0;
uint32_t type, code, value;
if (argc == 5) {
sync = shell_strtobool(argv[4], 0, &err);
if (err) {
shell_error(sh, "Invalid argument: %s", argv[4]);
return err;
}
} else {
sync = true;
}
type = shell_strtoul(argv[1], 0, &err);
if (err) {
shell_error(sh, "Invalid argument: %s", argv[1]);
return err;
}
if (type > UINT8_MAX) {
shell_error(sh, "Out of range: %s", argv[1]);
return -EINVAL;
}
code = shell_strtoul(argv[2], 0, &err);
if (err) {
shell_error(sh, "Invalid argument: %s", argv[2]);
return err;
}
if (code > UINT16_MAX) {
shell_error(sh, "Out of range: %s", argv[2]);
return -EINVAL;
}
value = shell_strtoul(argv[3], 0, &err);
if (err) {
shell_error(sh, "Invalid argument: %s", argv[3]);
return err;
}
input_report(NULL, type, code, value, sync, K_FOREVER);
return 0;
}
SHELL_STATIC_SUBCMD_SET_CREATE(
sub_input_cmds,
#ifdef CONFIG_INPUT_EVENT_DUMP
SHELL_CMD_ARG(dump, NULL,
"Enable event dumping\n"
"usage: dump <on|off>",
input_cmd_dump, 2, 0),
#endif /* CONFIG_INPUT_EVENT_DUMP */
SHELL_CMD_ARG(report, NULL,
"Trigger an input report event\n"
"usage: report <type> <code> <value> [<sync>]",
input_cmd_report, 4, 1),
SHELL_SUBCMD_SET_END);
SHELL_CMD_REGISTER(input, &sub_input_cmds, "Input commands", NULL);
#endif /* CONFIG_INPUT_SHELL */