![]() ![]() Read and write requests to a child device are handled by the child device's function driver. Note, however, that a bus driver does not handle read and write requests for the child devices that are connected to its bus. For example, when the device goes to sleep, the bus driver sets device registers to put the device in the proper device power state. (For information about device objects, see Device Objects and Device Stacks.) The method a bus driver uses to identify connected devices depends on the particular bus.Ī bus driver performs certain operations on behalf of the devices on its bus, including accessing device registers to physically change the power state of a device. ![]() Generically administer the devices on its bus.īus drivers are essentially function drivers that also enumerate children.ĭuring enumeration, a bus driver identifies the devices on its bus and creates device objects for them. Multiplex access to the bus (for some buses). Respond to Plug and Play IRPs and power management IRPs. The primary responsibilities of a bus driver are to: A bus driver can service more than one bus if there is more than one bus of the same type on the machine. Bus drivers are required drivers there is one bus driver for each type of bus on a machine. Other bus drivers can be provided by IHVs or OEMs. Microsoft provides bus drivers for most common buses, such as PCI, PnpISA, SCSI, and USB. Unlock a remarkable fleet of 17 unique buses, each possessing its own distinct attributes, including speed, passenger capacity, and performance.A bus driver services a bus controller, adapter, or bridge (see the Possible Driver Layers figure). From stop to stop, pick up eager passengers to boost your earnings and witness your profits soar to new heights! The more passengers you serve, the bigger the rewards you'll reap! Uncover uncharted territories as you crisscross the city streets. Roam freely across an expansive and meticulously crafted open-world map, complete with the vibrant ambiance of a modern metropolis. Prepare to embark on the thrilling adventure of a lifetime as you assume the role of a skilled bus driver, navigating through the bustling city and ensuring passengers reach their destinations on time! ![]()
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