mirror of
https://github.com/ByteWelder/Tactility.git
synced 2026-10-17 02:45:05 +00:00
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
// SPDX-License-Identifier: Apache-2.0
|
|
#pragma once
|
|
|
|
#include "location.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// Character count, excluding null terminator
|
|
#define APP_MANIFEST_ID_LENGTH 32
|
|
|
|
/** Fixed-capacity buffer for an AppManifest::id value. Always NUL-terminated. */
|
|
typedef char AppId[APP_MANIFEST_ID_LENGTH + 1];
|
|
|
|
// Character count, excluding null terminator
|
|
#define APP_MANIFEST_NAME_LENGTH 32
|
|
|
|
/** Broad classification of an app, used for grouping/launcher presentation. */
|
|
enum AppCategory {
|
|
APP_CATEGORY_SYSTEM,
|
|
APP_CATEGORY_SETTINGS,
|
|
APP_CATEGORY_USER,
|
|
};
|
|
|
|
/** Bit flags for AppManifest::flags. */
|
|
enum AppManifestFlags {
|
|
/** Excluded from generic app-browsing UIs (e.g. Launcher, Settings) */
|
|
APP_MANIFEST_FLAG_HIDDEN = 1 << 0,
|
|
/** No window-manager dependency. Safe to start from a context with no GUI available. */
|
|
APP_MANIFEST_FLAG_HEADLESS = 1 << 1,
|
|
/**
|
|
* When the app's main task ends, release what its binary leaked: tasks are deleted after a grace period,
|
|
* then files and directories are closed and memory is freed.
|
|
* Only covers calls made by a loaded binary (not APP_LOCATION_MEMORY apps), and not sockets, dup() or LVGL objects.
|
|
* Must not be used by an app that hands ownership of memory, files or tasks to the system, as they would be released twice.
|
|
*/
|
|
APP_MANIFEST_FLAG_CLEANUP = 1 << 2,
|
|
};
|
|
|
|
/** Largest stack depth (in words) an app may request. Keeps `depth * sizeof(StackType_t)` safely
|
|
* bounded and stops one app from claiming an unreasonable share of available RAM.
|
|
* A depth beyond must be rejected outright.
|
|
* Was last increased because of recursive-descent shell interpreter. */
|
|
#define APP_STACK_SIZE_MAX 65535
|
|
|
|
struct AppStackConfig {
|
|
/** Stack depth (in words, matching FreeRTOS's configSTACK_DEPTH_TYPE) for this app's task.
|
|
* 0 uses the scheduler's default. Must not exceed APP_STACK_SIZE_MAX. */
|
|
uint16_t depth;
|
|
/** Desired memory capability.
|
|
* 0 means default.
|
|
* Combine one or more of \a MemoryCapability from <tactility/memory.h> with a bitwise OR.*/
|
|
uint16_t desired_memory_capability;
|
|
};
|
|
|
|
/** Describes a registrable app. One manifest exists per app id. */
|
|
struct AppManifest {
|
|
/** Unique app identifier. Must be NULL-terminated. */
|
|
AppId id;
|
|
/** Human-readable name. Must be NULL-terminated. */
|
|
char name[APP_MANIFEST_NAME_LENGTH + 1];
|
|
enum AppCategory category;
|
|
struct AppLocation location;
|
|
/** Bitmask of AppManifestFlags. Most apps should leave this 0. */
|
|
uint8_t flags;
|
|
/** Stack allocation config for this app's task. */
|
|
struct AppStackConfig stack;
|
|
};
|
|
|
|
bool app_manifest_id_is_valid(const char* id);
|
|
bool app_manifest_name_is_valid(const char* name);
|
|
bool app_manifest_stack_size_is_valid(const char* value);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|