Unit Devices
From Ultibo.org
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Description
Ultibo Device interface unit
To be documented
Constants
Device specific constants
DEVICE_* DEVICE_NAME_PREFIX = 'Device';
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Name prefix for Devices |
Device signature constants
DEVICE_SIGNATURE_* DEVICE_SIGNATURE = $AD03FE3C;
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Device bus constants
DEVICE_BUS_* NONE = 0;
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DEVICE_BUS_PCI = 1;
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DEVICE_BUS_USB = 2;
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DEVICE_BUS_ISA = 3;
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DEVICE_BUS_PS2 = 4;
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DEVICE_BUS_FIREWIRE = 5;
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DEVICE_BUS_SD = 6;
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SD/SDHC/SDXC/SDIO etc |
DEVICE_BUS_MMC = 7;
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MMC/eMMC etc |
DEVICE_BUS_ATA = 8;
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DEVICE_BUS_IDE = 9;
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DEVICE_BUS_SCSI = 10;
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DEVICE_BUS_ATAPI = 11;
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DEVICE_BUS_SATA = 12;
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DEVICE_BUS_SERIAL = 13;
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DEVICE_BUS_SPI = 14;
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Serial Peripheral Interface device |
DEVICE_BUS_MMIO = 15;
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Memory Mapped IO device (No Bus) |
DEVICE_BUS_PCIE = 16;
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DEVICE_BUS_I2C = 17;
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I2C connected device |
DEVICE_BUS_MAX = 17;
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Device state constants
DEVICE_STATE_* DEVICE_STATE_UNREGISTERED = 0;
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DEVICE_STATE_REGISTERED = 1;
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DEVICE_STATE_MAX = 1;
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Device Id constants
DEVICE_ID_* DEVICE_ID_ANY = $FFFFFFFF;
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Any Device (Pass to DeviceFind to match all devices) |
Device class constants
DEVICE_CLASS_* DEVICE_CLASS_NONE = 0;
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No Device |
DEVICE_CLASS_USBHOST = 1;
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A USB Host Controller (eg XHCI/EHCI/UHCI/OHCI or DWCOTG etc) (Implementing a standard USB host interface) |
DEVICE_CLASS_PCIHOST = 2;
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A PCI Host Controller (eg AHCI etc) (Implementing a standard PCI host interface) |
DEVICE_CLASS_USB = 3;
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A USB Device (eg Hub/Keyboard/Mouse/Mass Storage/Vendor Specific etc) (Implementing a standard USB device interface) |
DEVICE_CLASS_PCI = 4;
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A PCI Device (eg Graphics/Controller etc) (Implementing a standard PCI device interface) |
DEVICE_CLASS_NETWORK = 5;
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A Network Device (Implementing a standard Network device interface). May also be a USB or PCI device |
DEVICE_CLASS_STORAGE = 6;
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A Storage Device (Implementing a standard Storage device interface). May also be a USB, PCI, MMC, SCSI or ATA device |
DEVICE_CLASS_BLOCK = DEVICE_CLASS_STORAGE;
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DEVICE_CLASS_FILESYSTEM = 7;
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A FileSystem Device (eg FAT/NTFS/CDFS/EXTFS etc)(Implementing a standard FileSystem device interface) |
DEVICE_CLASS_PROTOCOL = 8;
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A Protocol Device (eg TCP/UDP/IP/ICMP etc) (Implementing a standard Protocol device interface) |
DEVICE_CLASS_TRANSPORT = DEVICE_CLASS_PROTOCOL;
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DEVICE_CLASS_KEYBOARD = 9;
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A Keyboard Device (Implementing a standard Keyboard device interface) |
DEVICE_CLASS_MOUSE = 10;
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A Mouse Device (Implementing a standard Mouse device interface) |
DEVICE_CLASS_BLUETOOTH = 11;
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A Bluetooth Device (Implementing a standard Bluetooth device interface) |
DEVICE_CLASS_SERIAL = 12;
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A Serial Device (Implementing a standard Serial device interface) |
DEVICE_CLASS_AUDIO = 13;
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An Audio Device (Implementing a standard Audio device interface) |
DEVICE_CLASS_VIDEO = 14;
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A Video Device (Implementing a standard Video device interface) |
DEVICE_CLASS_SCSI = 15;
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A SCSI Device (Implementing a standard SCSI device interface). May also be a PCI device |
DEVICE_CLASS_ATA = 16;
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An ATA/ATAPI Device (Implementing a standard ATA/ATAPI device interface). May also be a PCI device |
DEVICE_CLASS_IDE = DEVICE_CLASS_ATA;
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DEVICE_CLASS_ATAPI = DEVICE_CLASS_ATA;
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DEVICE_CLASS_IMAGE = 17;
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An Image Device (eg Camera) (Implementing a standard Image device interface) |
DEVICE_CLASS_PRINTER = 18;
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A Printer Device (Implementing a standard Printer device interface) |
DEVICE_CLASS_COMMUNICATIONS = 19;
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A Communications Device (Implementing a standard Communications device interface) |
DEVICE_CLASS_SMART_CARD = 20;
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A Smart Card Device (Implementing a standard Smart Card device interface) |
DEVICE_CLASS_MONITOR = 21;
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A Monitor Device (Implementing a standard Monitor device interface) |
DEVICE_CLASS_DISPLAY = 22;
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A Display Device (eg Billboard) (Implementing a standard Display device interface) |
DEVICE_CLASS_AUDIOVIDEO = 23;
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An Audio/Video Device (Implementing a standard Audio/Video device interface) |
DEVICE_CLASS_IRDA = 24;
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An Infrared Device (Implementing a standard Infrared device interface) |
DEVICE_CLASS_SPI = 25;
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An SPI Device (Implementing a standard SPI device interface) |
DEVICE_CLASS_I2C = 26;
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An I2C Device (Implementing a standard I2C device interface) |
DEVICE_CLASS_UART = 27;
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A UART Device (Implementing a standard UART device interface) |
DEVICE_CLASS_MMC = 28;
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An MMC Device (Implementing a standard MMC device interface) |
DEVICE_CLASS_SD = 29;
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An SD Device (Implementing a standard SD device interface) |
DEVICE_CLASS_SDHCI = 30;
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An SD/MMC Host Controller (Implementing a standard SDHCI device interface) |
DEVICE_CLASS_SDHOST = DEVICE_CLASS_SDHCI;
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DEVICE_CLASS_DFU = 31;
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A Device Firmware Update Device (Implementing a standard DFU device interface) |
DEVICE_CLASS_GPIO = 32;
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A GPIO Device (Implementing a standard GPIO device interface) |
DEVICE_CLASS_MAILBOX = 33;
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A Mailbox Device |
DEVICE_CLASS_OPENGL = 34;
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An OpenGL Device |
DEVICE_CLASS_DVB = 35;
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A Digital Video Broadcast (DVB) Device |
DEVICE_CLASS_DAB = 36;
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A Digital Audio Broadcast (DAB) Device |
DEVICE_CLASS_DMA = 37;
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A DMA Controller Device (Implementing a standard DMA controller interface) |
DEVICE_CLASS_SCSIHOST = 38;
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A SCSI Host Device (Implementing a standard SCSI host interface) |
DEVICE_CLASS_ATAHOST = 39;
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An ATA Host Device (Implementing a standard ATA host interface) |
DEVICE_CLASS_TIMER = 40;
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A Timer or Counter Device |
DEVICE_CLASS_RANDOM = 41;
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A Random Number Generator Device |
DEVICE_CLASS_FRAMEBUFFER = 42;
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A Frame Buffer Device |
DEVICE_CLASS_WATCHDOG = 43;
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A Watchdog Timer Device |
DEVICE_CLASS_CLOCK = 44;
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A Clock (Date/Time) Device |
DEVICE_CLASS_CONSOLE = 45;
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A Console Device |
DEVICE_CLASS_RTC = 46;
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A Real Time Clock (Battery Backed) Device |
DEVICE_CLASS_USBHUB = 47;
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A USB Hub (Implementing a standard USB hub interface) |
DEVICE_CLASS_LOGGING = 48;
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A Logging Device (Implementing a standard Logging device interface) |
DEVICE_CLASS_PCM = 49;
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A PCM Sound Device (Implementing a standard PCM device interface) |
DEVICE_CLASS_I2S = DEVICE_CLASS_PCM;
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DEVICE_CLASS_PWM = 50;
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A Pulse Width Modulation (PWM) Device |
DEVICE_CLASS_1WIRE = 51;
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A 1-Wire Device (Implementing a standard W1 device interface) |
DEVICE_CLASS_CLOCK_MANAGER = 52;
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A Clock Manager Device |
DEVICE_CLASS_CODEC = 53;
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A CODEC Device (eg Audio or Video) |
DEVICE_CLASS_TOUCH = 54;
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A Touch Device |
DEVICE_CLASS_MAX = 54;
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DEVICE_CLASS_ANY = $FFFFFFFF;
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Any Device (Pass to DeviceFind or DeviceEnumerate to match all devices) |
Device notification flag constants
DEVICE_NOTIFICATION_* DEVICE_NOTIFICATION_NONE = $00000000;
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Pass to DeviceNotification to cancel an existing Notification |
DEVICE_NOTIFICATION_REGISTER = $00000001;
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DEVICE_NOTIFICATION_DEREGISTER = $00000002;
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DEVICE_NOTIFICATION_OPEN = $00000004;
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DEVICE_NOTIFICATION_CLOSE = $00000008;
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DEVICE_NOTIFICATION_UP = $00000010;
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DEVICE_NOTIFICATION_DOWN = $00000020;
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DEVICE_NOTIFICATION_INSERT = $00000040;
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DEVICE_NOTIFICATION_EJECT = $00000080;
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DEVICE_NOTIFICATION_ATTACH = $00000100;
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DEVICE_NOTIFICATION_DETACH = $00000200;
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DEVICE_NOTIFICATION_ENABLE = $00000400;
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DEVICE_NOTIFICATION_DISABLE = $00000800;
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DEVICE_NOTIFICATION_BIND = $00001000;
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DEVICE_NOTIFICATION_UNBIND = $00002000;
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DEVICE_NOTIFICATION_ATTACHING = $00004000;
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DEVICE_NOTIFICATION_DETACHING = $00008000;
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DEVICE_NOTIFICATION_INSERTING = $00010000;
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DEVICE_NOTIFICATION_EJECTING = $00020000;
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DEVICE_NOTIFICATION_OPENING = $00040000;
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DEVICE_NOTIFICATION_CLOSING = $00080000;
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DEVICE_NOTIFICATION_RESIZE = $00100000;
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DEVICE_NOTIFICATION_RESIZING = $00200000;
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Notifier signature constants
NOTIFIER_SIGNATURE_* NOTIFIER_SIGNATURE = $6FA1BEC9;
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Notifier state constants
NOTIFIER_STATE_* NOTIFIER_STATE_UNREGISTERED = 0;
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NOTIFIER_STATE_REGISTERED = 1;
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Notifier flag constants
NOTIFIER_FLAG_* NOTIFIER_FLAG_NONE = $00000000;
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NOTIFIER_FLAG_WORKER = $00000001;
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If set, notification callback event will be scheduled on a worker thread |
Device logging constants
DEVICE_LOG_* DEVICE_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;
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Device debugging messages |
DEVICE_LOG_LEVEL_INFO = LOG_LEVEL_INFO;
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Device informational messages, such as a device being attached or detached |
DEVICE_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;
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Device error messages |
DEVICE_LOG_LEVEL_NONE = LOG_LEVEL_NONE;
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No Device messages |
Driver specific constants
DRIVER_* DRIVER_NAME_PREFIX = 'Driver';
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Name prefix for Drivers |
Driver signature constants
DRIVER_SIGNATURE_* DRIVER_SIGNATURE = $1EB4980A;
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Driver state constants
DRIVER_STATE_* DRIVER_STATE_UNREGISTERED = 0;
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DRIVER_STATE_REGISTERED = 1;
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DRIVER_STATE_MAX = 1;
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Driver Id constants
DRIVER_ID_* DRIVER_ID_ANY = $FFFFFFFF;
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Any Driver (Pass to DriverFind to match all drivers) |
Driver class constants
DRIVER_CLASS_* DRIVER_CLASS_NONE = 0;
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No Driver |
DRIVER_CLASS_USB = 1;
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A USB Driver (Implementing a standard USB driver interface) |
DRIVER_CLASS_PCI = 2;
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A PCI Driver (Implementing a standard PCI driver interface) |
DRIVER_CLASS_SDIO = 3;
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An SDIO Driver (Implementing a standard SDIO driver interface) |
DRIVER_CLASS_BLUETOOTH = 4;
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A Bluetooth Driver (Implementing a standard Bluetooth driver interface) |
DRIVER_CLASS_MAX = 4;
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DRIVER_CLASS_ANY = $FFFFFFFF;
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Any Driver (Pass to DriverFind or DriverEnumerate to match all drivers) |
Host specific constants
HOST_* HOST_NAME_PREFIX = 'Host';
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Name prefix for Hosts |
Host signature constants
HOST_SIGNATURE_* HOST_SIGNATURE = $F45D30FE;
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Host state constants
HOST_STATE_* HOST_STATE_UNREGISTERED = 0;
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HOST_STATE_REGISTERED = 1;
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Host Id constants
HOST_ID_* HOST_ID_ANY = $FFFFFFFF;
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Any Host (Pass to HostFind to match all hosts) |
Host class constants
HOST_CLASS_* HOST_CLASS_NONE = 0;
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No Host} |
HOST_CLASS_USB = 1;
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A USB Host (eg XHCI/EHCI/UHCI/OHCI or DWCOTG etc) (Implementing a standard USB host interface) |
HOST_CLASS_PCI = 2;
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A PCI Host (eg AHCI etc) (Implementing a standard PCI host interface) |
HOST_CLASS_SD = 3;
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An SD Host (eg MMC/SDIO etc) (Implementing a standard SD host interface) |
HOST_CLASS_BLUETOOTH = 4;
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A Bluetooth Host (Implementing a standard Bluetooth host interface) |
HOST_CLASS_MAX = 4;
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HOST_CLASS_ANY = $FFFFFFFF;
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Any Host (Pass to HostFind or HostEnumerate to match all hosts) |
Clock specific constants
CLOCK_* CLOCK_NAME_PREFIX = 'Clock';
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Name prefix for Clock Devices |
Clock device type constants
CLOCK_TYPE_* CLOCK_TYPE_NONE = 0;
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CLOCK_TYPE_HARDWARE = 1;
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Clock device state constants
CLOCK_STATE_* CLOCK_STATE_DISABLED = 0;
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CLOCK_STATE_ENABLED = 1;
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Clock device flag constants
CLOCK_FLAG_* CLOCK_FLAG_NONE = $00000000;
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CLOCK_FLAG_WRITABLE = $00000001;
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Device supports writing the clock value |
CLOCK_FLAG_VARIABLE = $00000002;
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Device supports setting the clock rate |
Timer specific constants
TIMER_* TIMER_NAME_PREFIX = 'Timer';
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Name prefix for Timer Devices |
Timer device type constants
TIMER_TYPE_* TIMER_TYPE_NONE = 0;
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TIMER_TYPE_HARDWARE = 1;
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Timer device state constants
TIMER_STATE_* TIMER_STATE_DISABLED = 0;
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TIMER_STATE_ENABLED = 1;
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Timer device flag constants
TIMER_FLAG_* TIMER_FLAG_NONE = $00000000;
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TIMER_FLAG_WRAPPING = $00000001;
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Device provides a wrapping or self reloading counter |
TIMER_FLAG_COUNTER = $00000002;
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Device will appear as a continuously incrementing counter when read |
TIMER_FLAG_DOWN = $00000004;
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Device counts down from the starting value to zero (And optionally triggers an event) |
Timer event flag constants
TIMER_EVENT_FLAG_* TIMER_EVENT_FLAG_NONE = $00000000;
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TIMER_EVENT_FLAG_REPEAT = $00000001;
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Event will be repeated until cancelled |
TIMER_EVENT_FLAG_INTERRUPT = $00000002;
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Event will be dispatched by interrupt handler (If applicable). Caution: Events called by the interrupt handler must obey interrupt rules with regard to locks, memory allocation and latency. |
Random specific constants
RANDOM_* RANDOM_NAME_PREFIX = 'Random';
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Name prefix for Random Devices |
Random device type constants
RANDOM_TYPE_* RANDOM_TYPE_NONE = 0;
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RANDOM_TYPE_HARDWARE = 1;
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RANDOM_TYPE_SOFTWARE = 2;
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Random device state constants
RANDOM_STATE_* RANDOM_STATE_DISABLED = 0;
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RANDOM_STATE_ENABLED = 1;
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Random device flag constants
RANDOM_FLAG_* RANDOM_FLAG_NONE = $00000000;
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Mailbox specific constants
MAILBOX_* MAILBOX_NAME_PREFIX = 'Mailbox';
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Name prefix for Mailbox Devices |
Mailbox device type constants
MAILBOX_TYPE_* MAILBOX_TYPE_NONE = 0;
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MAILBOX_TYPE_GPU = 1;
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MAILBOX_TYPE_LOCAL = 2;
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Mailbox device state constants
MAILBOX_STATE_* MAILBOX_STATE_DISABLED = 0;
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MAILBOX_STATE_ENABLED = 1;
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Mailbox device flag constants
MAILBOX_FLAG_* MAILBOX_FLAG_NONE = $00000000;
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Watchdog specific constants
WATCHDOG_* WATCHDOG_NAME_PREFIX = 'Watchdog';
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Name prefix for Watchdog Devices |
Watchdog device type constants
WATCHDOG_TYPE_* WATCHDOG_TYPE_NONE = 0;
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WATCHDOG_TYPE_HARDWARE = 1;
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Watchdog device state constants
WATCHDOG_STATE_* WATCHDOG_STATE_DISABLED = 0;
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WATCHDOG_STATE_ENABLED = 1;
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Watchdog device flag constants
WATCHDOG_FLAG_* WATCHDOG_FLAG_NONE = $00000000;
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Type definitions
To be documented
Public variables
Device logging
DEVICE_DEFAULT_LOG_LEVEL:LongWord = DEVICE_LOG_LEVEL_DEBUG;
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Minimum level for Device messages. Only messages with level greater than or equal to this will be printed. |
DEVICE_LOG_ENABLED:Boolean;
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Function declarations
Initialization functions
procedure DevicesInit;
Description: Initialize the Devices unit and device, notifier and driver tables
| Note | Called only during system startup |
|---|
Device functions
function DeviceCreate:PDevice;
Description: Create a new Device entry
| Return | Pointer to new Device entry or nil if device could not be created |
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function DeviceCreateEx(Size:LongWord):PDevice;
Description: Create a new Device entry
| Size | Size in bytes to allocate for new device (Including the device entry) |
|---|---|
| Return | Pointer to new Device entry or nil if device could not be created |
function DeviceDestroy(Device:PDevice):LongWord;
Description: Destroy an existing Device entry
| Device | The device to destroy |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceGetName(Device:PDevice):String;
Description: Get the name of the supplied Device
| Device | The device to get the name from |
|---|---|
| Return | The name of the device or a blank string on error |
function DeviceSetName(Device:PDevice; const Name:String):LongWord;
Description: Set the name of the supplied Device
| Device | The device to set the name for |
|---|---|
| Name | The device name to set |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceGetDescription(Device:PDevice):String;
Description: Get the description of the supplied Device
| Device | The device to get the description from |
|---|---|
| Return | The description of the device or a blank string on error |
function DeviceSetDescription(Device:PDevice; const Description:String):LongWord;
Description: Set the description of the supplied Device
| Device | The device to set the description for |
|---|---|
| Description | The device description to set |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceRegister(Device:PDevice):LongWord;
Description: Register a new Device in the Device table
| Device | The device to register |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceDeregister(Device:PDevice):LongWord;
Description: Deregister a Device from the Device table
| Device | The device to deregister |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceFind(DeviceClass,DeviceId:LongWord):PDevice;
Description: Find a device by ID in the device table
| DeviceClass | The class of the device to find (DEVICE_CLASS_ANY for all classes) |
|---|---|
| DeviceId | The ID number of the device to find |
| Return | Pointer to device entry or nil if not found |
function DeviceFindByName(const Name:String):PDevice;
Description: Find a device by name in the device table
| Name | The name of the device to find (eg Timer0) |
|---|---|
| Return | Pointer to device entry or nil if not found |
function DeviceFindByDescription(const Description:String):PDevice;
Description: Find a device by description in the device table
| Description | The description of the device to find (eg BCM2836 ARM Timer) |
|---|---|
| Return | Pointer to device entry or nil if not found |
function DeviceEnumerate(DeviceClass:LongWord; Callback:TDeviceEnumerate; Data:Pointer):LongWord;
Description: Enumerate all devices in the device table
| DeviceClass | The class of device to enumerate (DEVICE_CLASS_ANY for all classes) |
|---|---|
| Callback | The callback function to call for each device in the table |
| Data | A private data pointer to pass to callback for each device in the table |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DeviceNotification(Device:PDevice; DeviceClass:LongWord; Callback:TDeviceNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: Register a notification for device changes
| Device | The device to notify changes for (Optional, pass nil for all devices) |
|---|---|
| DeviceClass | The class of device to notify changes for (DEVICE_CLASS_ANY for all classes) |
| Callback | The function to call when a notification event occurs |
| Data | A private data pointer to pass to callback when a notification event occurs |
| Notification | The events to register for notification of (eg DEVICE_NOTIFICATION_REGISTER) |
| Flags | The flags to control the notification (eg NOTIFIER_FLAG_WORKER) |
function NotifierAllocate(Device:PDevice; DeviceClass:LongWord; Callback:TDeviceNotification; Data:Pointer; Notification,Flags:LongWord):PNotifier;
Description: Create and Register a new Notifier entry in the Notifier table
| Note | None documented |
|---|
function NotifierRelease(Notifier:PNotifier):LongWord;
Description: Deregister and Destroy a Notifier from the Notifier table
| Note | None documented |
|---|
function NotifierFind(Device:PDevice; DeviceClass:LongWord; Callback:TDeviceNotification; Data:Pointer):PNotifier;
Description: To be documented
| Note | None documented |
|---|
function NotifierNotify(Device:PDevice; Notification:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
Driver functions
function DriverCreate:PDriver;
Description: Create a new Driver entry
| Return | Pointer to new Driver entry or nil if driver could not be created |
|---|
function DriverCreateEx(Size:LongWord):PDriver;
Description: Create a new Driver entry
| Size | Size in bytes to allocate for new driver (Including the driver entry) |
|---|---|
| Return | Pointer to new Driver entry or nil if driver could not be created |
function DriverDestroy(Driver:PDriver):LongWord;
Description: Destroy an existing Driver entry
| Driver | The driver to destroy |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DriverGetName(Driver:PDriver):String;
Description: Get the name of the supplied Driver
| Driver | The driver to get the name from |
|---|---|
| Return | The name of the driver or a blank string on error |
function DriverSetName(Driver:PDriver; const Name:String):LongWord;
Description: Set the name of the supplied Driver
| Driver | The driver to set the name for |
|---|---|
| Name | The driver name to set |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DriverRegister(Driver:PDriver):LongWord;
Description: Register a new Driver in the Driver table
| Driver | The driver to register |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DriverDeregister(Driver:PDriver):LongWord;
Description: Deregister a Driver from the Driver table
| Driver | The driver to deregister |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function DriverFind(DriverClass,DriverId:LongWord):PDriver;
Description: Find a driver by ID in the driver table
| DriverClass | The class of the driver to find (DRIVER_CLASS_ANY for all classes) |
|---|---|
| DriverId | The ID number of the driver to find |
| Return | Pointer to driver entry or nil if not found |
function DriverFindByName(const Name:String):PDriver;
Description: Find a driver by name in the driver table
| Name | The name of the driver to find (eg USB Hub Driver) |
|---|---|
| Return | Pointer to driver entry or nil if not found |
function DriverEnumerate(DriverClass:LongWord; Callback:TDriverEnumerate; Data:Pointer):LongWord;
Description: Enumerate all drivers in the driver table
| DriverClass | The class of driver to enumerate (DRIVER_CLASS_ANY for all classes) |
|---|---|
| Callback | The callback function to call for each driver in the table |
| Data | A private data pointer to pass to callback for each driver in the table |
| Return | ERROR_SUCCESS if completed or another error code on failure |
Clock device functions
function ClockDeviceStart(Clock:PClockDevice):LongWord;
Description: Start the counter of the specified clock device
| Clock | The Clock device to start |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceStop(Clock:PClockDevice):LongWord;
Description: Stop the counter of the specified clock device
| Clock | The Clock device to stop |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceRead(Clock:PClockDevice):LongWord;
Description: Read the counter value of the specified clock device
| Clock | The Clock device to read from |
|---|---|
| Return | The 32 bit counter value of the clock or 0 on failure |
function ClockDeviceRead64(Clock:PClockDevice):Int64;
Description: Read the counter value of the specified clock device
| Clock | The Clock device to read from |
|---|---|
| Return | The 64 bit counter value of the clock or 0 on failure |
function ClockDeviceWrite64(Clock:PClockDevice; const Value:Int64):LongWord;
Description: Write the counter value of the specified clock device
| Clock | The Clock device to write to |
|---|---|
| Value | The counter value to write |
| Return | ERROR_SUCCESS if the counter was set or another error code on failure |
| Note | Not all clock devices support setting the counter value, will return an error if unsupported. |
function ClockDeviceGetRate(Clock:PClockDevice):LongWord;
Description: Get the current clock rate in Hz of the specified clock device
| Clock | The Clock device to get the rate from |
|---|---|
| Return | The current clock rate in Hz or 0 on failure |
function ClockDeviceSetRate(Clock:PClockDevice; Rate:LongWord):LongWord;
Description: Set the current clock rate in Hz of the specified clock device
| Clock | The Clock device to set the rate for |
|---|---|
| Rate | The clock rate in Hz to set |
| Return | ERROR_SUCCESS if the clock rate was set or another error code on failure |
| Note | Not all clock devices support setting the clock rate, will return an error if unsupported. |
function ClockDeviceProperties(Clock:PClockDevice; Properties:PClockProperties):LongWord;
Description: Get the properties for the specified clock device
| Clock | The Clock device to get properties from |
|---|---|
| Properties | Pointer to a TClockProperties structure to fill in |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceCreate:PClockDevice;
Description: Create a new Clock entry
| Return | Pointer to new Clock entry or nil if Clock could not be created |
|---|
function ClockDeviceCreateEx(Size:LongWord):PClockDevice;
Description: Create a new Clock entry
| Size | Size in bytes to allocate for new Clock (Including the Clock entry) |
|---|---|
| Return | Pointer to new Clock entry or nil if Clock could not be created |
function ClockDeviceDestroy(Clock:PClockDevice):LongWord;
Description: Destroy an existing clock entry
| Clock | The clock device to destroy |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceRegister(Clock:PClockDevice):LongWord;
Description: Register a new clock in the clock table
| Clock | The clock device to register |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceDeregister(Clock:PClockDevice):LongWord;
Description: Deregister a clock from the clock table
| Clock | The clock device to deregister |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceFind(ClockId:LongWord):PClockDevice;
Description: Find a clock device by ID in the clock table
| TimerId | The ID number of the clock to find |
|---|---|
| Return | Pointer to clock device entry or nil if not found |
function ClockDeviceFindByName(const Name:String):PClockDevice; inline;
Description: Find a clock device by name in the clock table
| Name | The name of the clock to find (eg Clock0) |
|---|---|
| Return | Pointer to clock device entry or nil if not found |
function ClockDeviceFindByDescription(const Description:String):PClockDevice; inline;
Description: Find a clock device by description in the clock table
| Description | The description of the clock to find (eg BCM2836 ARM Timer Clock) |
|---|---|
| Return | Pointer to clock device entry or nil if not found |
function ClockDeviceEnumerate(Callback:TClockEnumerate; Data:Pointer):LongWord;
Description: Enumerate all clock devices in the clock table
| Callback | The callback function to call for each clock in the table |
|---|---|
| Data | A private data pointer to pass to callback for each clock in the table |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function ClockDeviceNotification(Clock:PClockDevice; Callback:TClockNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: Register a notification for clock device changes
| Clock | The clock device to notify changes for (Optional, pass nil for all clocks) |
|---|---|
| Callback | The function to call when a notification event occurs |
| Data | A private data pointer to pass to callback when a notification event occurs |
| Notification | The events to register for notification of (eg DEVICE_NOTIFICATION_REGISTER) |
| Flags | The flags to control the notification (eg NOTIFIER_FLAG_WORKER) |
Timer device functions
function TimerDeviceStart(Timer:PTimerDevice):LongWord;
Description: Start the clock and counter of the specified Timer device
| Timer | The Timer device to start |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceStop(Timer:PTimerDevice):LongWord;
Description: Stop the clock and counter of the specified Timer device
| Timer | The Timer device to stop |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceRead(Timer:PTimerDevice):LongWord;
Description: Read the current value of the specified Timer device
| Timer | The Timer device to read from |
|---|---|
| Return | The 32 bit current value of the timer or 0 on failure |
function TimerDeviceRead64(Timer:PTimerDevice):Int64;
Description: Read the current value of the specified Timer device
| Timer | The Timer device to read from |
|---|---|
| Return | The 64 bit current value of the timer or 0 on failure |
function TimerDeviceWait(Timer:PTimerDevice):LongWord;
Description: Wait for the current interval to expire on the specified Timer device
| Timer | The Timer device to wait for |
|---|---|
| Return | ERROR_SUCCESS if the interval expired or another error code on failure |
function TimerDeviceEvent(Timer:PTimerDevice; Flags:LongWord; Callback:TTimerCallback; Data:Pointer):LongWord;
Description: Schedule a function to be called when the current interval expires on the specified Timer device
| Timer | The Timer device to schedule the callback for |
|---|---|
| Callback | The function to be called when the interval expires |
| Data | A pointer to be pass to the function when the interval expires (Optional) |
| Return | ERROR_SUCCESS if the callback was scheduled successfully or another error code on failure |
function TimerDeviceCancel(Timer:PTimerDevice):LongWord;
Description: Cancel a previously scheduled event callback function on the specified Timer device
| Timer | The Timer device to cancel the callback for |
|---|---|
| Return | ERROR_SUCCESS if the callback was cancelled successfully or another error code on failure |
function TimerDeviceGetRate(Timer:PTimerDevice):LongWord;
Description: Get the current clock rate in Hz of the specified Timer device
| Timer | The Timer device to get the rate from |
|---|---|
| Return | The current clock rate in Hz or 0 on failure |
function TimerDeviceSetRate(Timer:PTimerDevice; Rate:LongWord):LongWord;
Description: Set the current clock rate in Hz of the specified Timer device
| Timer | The Timer device to set the rate for |
|---|---|
| Rate | The clock rate in Hz to set |
| Return | ERROR_SUCCESS if the clock rate was set or another error code on failure |
function TimerDeviceGetInterval(Timer:PTimerDevice):LongWord;
Description: Get the current interval in ticks of the specified Timer device
| Timer | The Timer device to get the interval from |
|---|---|
| Return | The current interval in ticks or 0 on failure (or not set) |
| Note | The tick rate is determined by the clock rate |
function TimerDeviceSetInterval(Timer:PTimerDevice; Interval:LongWord):LongWord;
Description: Set the current interval in ticks of the specified Timer device
| Timer | The Timer device to set the interval for |
|---|---|
| Interval | The interval in ticks to set |
| Return | ERROR_SUCCESS if the interval was set or another error code on failure |
| Note | The tick rate is determined by the clock rate |
function TimerDeviceProperties(Timer:PTimerDevice; Properties:PTimerProperties):LongWord;
Description: Get the properties for the specified Timer device
| Timer | The Timer device to get properties from |
|---|---|
| Properties | Pointer to a TTimerProperties structure to fill in |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceCreate:PTimerDevice;
Description: Create a new Timer entry
| Return | Pointer to new Timer entry or nil if Timer could not be created |
|---|
function TimerDeviceCreateEx(Size:LongWord):PTimerDevice;
Description: Create a new Timer entry
| Size | Size in bytes to allocate for new Timer (Including the Timer entry) |
|---|---|
| Return | Pointer to new Timer entry or nil if Timer could not be created |
function TimerDeviceDestroy(Timer:PTimerDevice):LongWord;
Description: Destroy an existing Timer entry
| Timer | The timer device to destroy |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceRegister(Timer:PTimerDevice):LongWord;
Description: Register a new Timer in the Timer table
| Timer | The timer device to register |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceDeregister(Timer:PTimerDevice):LongWord;
Description: Deregister a Timer from the Timer table
| Timer | The timer device to deregister |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceFind(TimerId:LongWord):PTimerDevice;
Description: Find a timer device by ID in the timer table
| TimerId | The ID number of the timer to find |
|---|---|
| Return | Pointer to timer device entry or nil if not found |
function TimerDeviceFindByName(const Name:String):PTimerDevice; inline;
Description: Find a timer device by name in the timer table
| Name | The name of the timer to find (eg Timer0) |
|---|---|
| Return | Pointer to timer device entry or nil if not found |
function TimerDeviceFindByDescription(const Description:String):PTimerDevice; inline;
Description: Find a timer device by description in the timer table
| Description | The description of the timer to find (eg BCM2836 ARM Timer) |
|---|---|
| Return | Pointer to timer device entry or nil if not found |
function TimerDeviceEnumerate(Callback:TTimerEnumerate; Data:Pointer):LongWord;
Description: Enumerate all timer devices in the timer table
| Callback | The callback function to call for each timer in the table |
|---|---|
| Data | A private data pointer to pass to callback for each timer in the table |
| Return | ERROR_SUCCESS if completed or another error code on failure |
function TimerDeviceNotification(Timer:PTimerDevice; Callback:TTimerNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: Register a notification for timer device changes
| Timer | The timer device to notify changes for (Optional, pass nil for all timers) |
|---|---|
| Callback | The function to call when a notification event occurs |
| Data | A private data pointer to pass to callback when a notification event occurs |
| Notification | The events to register for notification of (eg DEVICE_NOTIFICATION_REGISTER) |
| Flags | The flags to control the notification (eg NOTIFIER_FLAG_WORKER) |
Random device functions
function RandomDeviceStart(Random:PRandomDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceStop(Random:PRandomDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceSeed(Random:PRandomDevice; Seed:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceReadByte(Random:PRandomDevice):Byte;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceReadWord(Random:PRandomDevice):Word;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceReadLongWord(Random:PRandomDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceReadQuadWord(Random:PRandomDevice):Int64;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceReadExtended(Random:PRandomDevice):Extended;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceCreate:PRandomDevice;
Description: Create a new Random entry
| Return | Pointer to new Random entry or nil if Random could not be created |
|---|
function RandomDeviceCreateEx(Size:LongWord):PRandomDevice;
Description: Create a new Random entry
| Size | Size in bytes to allocate for new Random (Including the Random entry) |
|---|---|
| Return | Pointer to new Random entry or nil if Random could not be created |
function RandomDeviceDestroy(Random:PRandomDevice):LongWord;
Description: Destroy an existing Random entry
| Note | None documented |
|---|
function RandomDeviceRegister(Random:PRandomDevice):LongWord;
Description: Register a new Random in the Random table
| Note | None documented |
|---|
function RandomDeviceDeregister(Random:PRandomDevice):LongWord;
Description: Deregister a Random from the Random table
| Note | None documented |
|---|
function RandomDeviceFind(RandomId:LongWord):PRandomDevice;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceFindByName(const Name:String):PRandomDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceFindByDescription(const Description:String):PRandomDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceEnumerate(Callback:TRandomEnumerate; Data:Pointer):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RandomDeviceNotification(Random:PRandomDevice; Callback:TRandomNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
Mailbox device functions
function MailboxDeviceStart(Mailbox:PMailboxDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceStop(Mailbox:PMailboxDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceReceive(Mailbox:PMailboxDevice; Channel:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceSend(Mailbox:PMailboxDevice; Channel,Data:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceCall(Mailbox:PMailboxDevice; Channel,Data:LongWord; var Response:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceGetTimeout(Mailbox:PMailboxDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceSetTimeout(Mailbox:PMailboxDevice; Timeout:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceCreate:PMailboxDevice;
Description: Create a new Mailbox entry
| Return | Pointer to new Mailbox entry or nil if Mailbox could not be created |
|---|
function MailboxDeviceCreateEx(Size:LongWord):PMailboxDevice;
Description: Create a new Mailbox entry
| Size | Size in bytes to allocate for new Mailbox (Including the Mailbox entry) |
|---|---|
| Return | Pointer to new Mailbox entry or nil if Mailbox could not be created |
function MailboxDeviceDestroy(Mailbox:PMailboxDevice):LongWord;
Description: Destroy an existing Mailbox entry
| Note | None documented |
|---|
function MailboxDeviceRegister(Mailbox:PMailboxDevice):LongWord;
Description: Register a new Mailbox in the Mailbox table
| Note | None documented |
|---|
function MailboxDeviceDeregister(Mailbox:PMailboxDevice):LongWord;
Description: Deregister a Mailbox from the Mailbox table
| Note | None documented |
|---|
function MailboxDeviceFind(MailboxId:LongWord):PMailboxDevice;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceFindByName(const Name:String):PMailboxDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceFindByDescription(const Description:String):PMailboxDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceEnumerate(Callback:TMailboxEnumerate; Data:Pointer):LongWord;
Description: To be documented
| Note | None documented |
|---|
function MailboxDeviceNotification(Mailbox:PMailboxDevice; Callback:TMailboxNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
Watchdog device functions
function WatchdogDeviceStart(Watchdog:PWatchdogDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceStop(Watchdog:PWatchdogDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceRefresh(Watchdog:PWatchdogDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceGetRemain(Watchdog:PWatchdogDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceGetTimeout(Watchdog:PWatchdogDevice):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceSetTimeout(Watchdog:PWatchdogDevice; Timeout:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceCreate:PWatchdogDevice;
Description: Create a new Watchdog entry
| Return | Pointer to new Watchdog entry or nil if Watchdog could not be created |
|---|
function WatchdogDeviceCreateEx(Size:LongWord):PWatchdogDevice;
Description: Create a new Watchdog entry
| Size | Size in bytes to allocate for new Watchdog (Including the Watchdog entry) |
|---|---|
| Return | Pointer to new Watchdog entry or nil if Watchdog could not be created |
function WatchdogDeviceDestroy(Watchdog:PWatchdogDevice):LongWord;
Description: Destroy an existing Watchdog entry
| Note | None documented |
|---|
function WatchdogDeviceRegister(Watchdog:PWatchdogDevice):LongWord;
Description: Register a new Watchdog in the Watchdog table
| Note | None documented |
|---|
function WatchdogDeviceDeregister(Watchdog:PWatchdogDevice):LongWord;
Description: Deregister a Watchdog from the Watchdog table
| Note | None documented |
|---|
function WatchdogDeviceFind(WatchdogId:LongWord):PWatchdogDevice;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceFindByName(const Name:String):PWatchdogDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceFindByDescription(const Description:String):PWatchdogDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceEnumerate(Callback:TWatchdogEnumerate; Data:Pointer):LongWord;
Description: To be documented
| Note | None documented |
|---|
function WatchdogDeviceNotification(Watchdog:PWatchdogDevice; Callback:TWatchdogNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
RTL clock functions
function SysClockRead:LongWord;
Description: To be documented
| Note | None documented |
|---|
function SysClockRead64:Int64;
Description: To be documented
| Note | None documented |
|---|
RTL timer (counter) functions
function SysTimerAvailable:Boolean;
Description: Check if a timer device is available
| Note | None documented |
|---|
function SysTimerRead:LongWord;
Description: Read the current value of the default counter
| Return | The 32 bit current value of the counter or 0 on failure |
|---|
function SysTimerRead64:Int64;
Description: Read the current value of the default counter
| Return | The 64 bit current value of the counter or 0 on failure |
|---|
function SysTimerWait:LongWord;
Description: Wait for the current interval to expire on the default counter
| Return | ERROR_SUCCESS if the interval expired or another error code on failure |
|---|
function SysTimerEvent(Callback:TTimerCallback; Data:Pointer):LongWord;
Description: Schedule a function to be called when the current interval expires on the default counter
| Callback | The function to be called when the interval expires |
|---|---|
| Data | A pointer to be pass to the function when the interval expires (Optional) |
| Return | ERROR_SUCCESS if the callback was scheduled successfully or another error code on failure |
function SysTimerCancel:LongWord;
Description: Cancel a previously scheduled event callback function on the default counter
| Return | ERROR_SUCCESS if the callback was cancelled successfully or another error code on failure |
|---|
function SysTimerGetRate:LongWord;
Description: Get the current clock rate in Hz of the default counter
| Return | The current clock rate in Hz or 0 on failure |
|---|
function SysTimerSetRate(Rate:LongWord):LongWord;
Description: Set the current clock rate in Hz of the default counter
| Rate | The clock rate in Hz to set |
|---|---|
| Return | ERROR_SUCCESS if the clock rate was set or another error code on failure |
function SysTimerGetInterval:LongWord;
Description: Get the current interval in ticks of the default counter
| Return | The current interval in ticks or 0 on failure (or not set) |
|---|---|
| Note | The tick rate is determined by the clock rate |
function SysTimerSetInterval(Interval:LongWord):LongWord;
Description: Set the current interval in ticks of the default counter
| Interval | The interval in ticks to set |
|---|---|
| Return | ERROR_SUCCESS if the interval was set or another error code on failure |
| Note | The tick rate is determined by the clock rate |
RTL random functions
function SysRandomAvailable:Boolean;
Description: Check if a random (RNG) device is available
| Note | None documented |
|---|
procedure SysRandomize;
Description: To be documented
| Note | None documented |
|---|
procedure SysRandomSeed(Seed:LongWord);
Description: To be documented
| Note | None documented |
|---|
function SysRandomReadLongInt(Limit:LongInt):LongInt;
Description: To be documented
| Note | None documented |
|---|
function SysRandomReadInt64(Limit:Int64):Int64;
Description: To be documented
| Note | None documented |
|---|
function SysRandomReadExtended:Extended;
Description: To be documented
| Note | None documented |
|---|
RTL watchdog functions
function SysWatchdogAvailable:Boolean;
Description: Check if a watchdog timer device is available
| Note | None documented |
|---|
function SysWatchdogStart(Milliseconds:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function SysWatchdogStop:LongWord;
Description: To be documented
| Note | None documented |
|---|
function SysWatchdogRefresh(Milliseconds:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
Device helper functions
function DeviceGetCount:LongWord; inline;
Description: Get the current device count
| Note | None documented |
|---|
function DeviceCheck(Device:PDevice):PDevice;
Description: Check if the supplied Device is in the device table
| Note | None documented |
|---|
function NotifierGetCount:LongWord; inline;
Description: Get the current notifier count
| Note | None documented |
|---|
function NotifierCheck(Notifier:PNotifier):PNotifier;
Description: Check if the supplied Notifier is in the notifier table
| Note | None documented |
|---|
function DeviceBusToString(DeviceBus:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
function DeviceStateToString(DeviceState:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
function DeviceClassToString(DeviceClass:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
function NotificationToString(Notification:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
procedure DeviceLog(Level:LongWord; Device:PDevice; const AText:String);
Description: To be documented
| Note | None documented |
|---|
procedure DeviceLogInfo(Device:PDevice; const AText:String);
Description: To be documented
| Note | None documented |
|---|
procedure DeviceLogError(Device:PDevice; const AText:String);
Description: To be documented
| Note | None documented |
|---|
procedure DeviceLogDebug(Device:PDevice; const AText:String);
Description: To be documented
| Note | None documented |
|---|
Driver helper functions
function DriverGetCount:LongWord; inline;
Description: Get the current driver count
| Note | None documented |
|---|
function DriverCheck(Driver:PDriver):PDriver;
Description: Check if the supplied Driver is in the driver table
| Note | None documented |
|---|
function DriverStateToString(DriverState:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
function DriverClassToString(DriverClass:LongWord):String;
Description: To be documented
| Note | None documented |
|---|
Clock device helper functions
function ClockDeviceGetCount:LongWord; inline;
Description: Get the current clock device count
| Note | None documented |
|---|
function ClockDeviceGetDefault:PClockDevice; inline;
Description: Get the current default clock device
| Note | None documented |
|---|
function ClockDeviceSetDefault(Clock:PClockDevice):LongWord;
Description: Set the current default clock device
| Note | None documented |
|---|
function ClockDeviceCheck(Clock:PClockDevice):PClockDevice;
Description: Check if the supplied Clock is in the Clock table
| Note | None documented |
|---|
Timer device helper functions
function TimerDeviceGetCount:LongWord; inline;
Description: Get the current timer device count
| Note | None documented |
|---|
function TimerDeviceGetDefault:PTimerDevice; inline;
Description: Get the current default timer device
| Note | None documented |
|---|
function TimerDeviceSetDefault(Timer:PTimerDevice):LongWord;
Description: Set the current default timer device
| Note | None documented |
|---|
function TimerDeviceCheck(Timer:PTimerDevice):PTimerDevice;
Description: Check if the supplied Timer is in the Timer table
| Note | None documented |
|---|
function TimerDeviceCreateWaiter(Timer:PTimerDevice; Callback:TTimerCallback; Data:Pointer):PTimerWaiter;
Description: Create a new waiter using the supplied parameters
| Note | Waiter must be registered by calling TimerDeviceRegisterWaiter. Caller must hold the Timer device lock. |
|---|
function TimerDeviceDestroyWaiter(Timer:PTimerDevice; Waiter:PTimerWaiter):LongWord;
Description: Destroy an existing waiter
| Note | Waiter must be deregistered first by calling TimerDeviceDeregisterWaiter. Caller must hold the Timer device lock. |
|---|
function TimerDeviceRegisterWaiter(Timer:PTimerDevice; Waiter:PTimerWaiter):LongWord;
Description: Register a waiter in the waiter list of the supplied Timer
| Note | Waiter must be created by calling TimerDeviceCreateWaiter. Caller must hold the Timer device lock. |
|---|
function TimerDeviceDeregisterWaiter(Timer:PTimerDevice; Waiter:PTimerWaiter):LongWord;
Description: Deregister a waiter from the waiter list of the supplied Timer
| Note | Waiter must be destroyed by calling TimerDeviceDestroyWaiter. Caller must hold the Timer device lock. |
|---|
Random device helper functions
function RandomDeviceGetCount:LongWord; inline;
Description: Get the current random device count
| Note | None documented |
|---|
function RandomDeviceGetDefault:PRandomDevice; inline;
Description: Get the current default random device
| Note | None documented |
|---|
function RandomDeviceSetDefault(Random:PRandomDevice):LongWord;
Description: Set the current default random device
| Note | None documented |
|---|
function RandomDeviceCheck(Random:PRandomDevice):PRandomDevice;
Description: Check if the supplied Random is in the Random table
| Note | None documented |
|---|
Mailbox device helper functions
function MailboxDeviceGetCount:LongWord; inline;
Description: Get the current mailbox device count
| Note | None documented |
|---|
function MailboxDeviceGetDefault:PMailboxDevice; inline;
Description: Get the current default mailbox device
| Note | None documented |
|---|
function MailboxDeviceSetDefault(Mailbox:PMailboxDevice):LongWord;
Description: Set the current default mailbox device
| Note | None documented |
|---|
function MailboxDeviceCheck(Mailbox:PMailboxDevice):PMailboxDevice;
Description: Check if the supplied Mailbox is in the Mailbox table
| Note | None documented |
|---|
Watchdog device helper functions
function WatchdogDeviceGetCount:LongWord; inline;
Description: Get the current watchdog device count
| Note | None documented |
|---|
function WatchdogDeviceGetDefault:PWatchdogDevice; inline;
Description: Get the current default watchdog device
| Note | None documented |
|---|
function WatchdogDeviceSetDefault(Watchdog:PWatchdogDevice):LongWord;
Description: Set the current default watchdog device
| Note | None documented |
|---|
function WatchdogDeviceCheck(Watchdog:PWatchdogDevice):PWatchdogDevice;
Description: Check if the supplied Watchdog is in the Watchdog table
| Note | None documented |
|---|
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