Changes between Version 10 and Version 11 of Component/Vci Block Device


Ignore:
Timestamp:
Nov 11, 2009, 7:36:19 PM (14 years ago)
Author:
alain
Comment:

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  • Component/Vci Block Device

    v10 v11  
    3131 * '''BLOCK_DEVICE_STATUS''' (read only)
    3232State of the transfer. Reading this register while not busy resets its value to IDLE, and acknowledge the IRQ. Value may be one of :
    33   * `BLOCK_DEVICE_IDLE`
    34   * `BLOCK_DEVICE_BUSY`
    35   * `BLOCK_DEVICE_READ_SUCCESS`
    36   * `BLOCK_DEVICE_WRITE_SUCCESS`
    37   * `BLOCK_DEVICE_READ_ERROR`
    38   * `BLOCK_DEVICE_WRITE_ERROR`
    39   * `BLOCK_DEVICE_ERROR`
     33  1. `BLOCK_DEVICE_IDLE`
     34  1. `BLOCK_DEVICE_BUSY`
     35  1. `BLOCK_DEVICE_READ_SUCCESS`
     36  1. `BLOCK_DEVICE_WRITE_SUCCESS`
     37  1. `BLOCK_DEVICE_READ_ERROR`
     38  1. `BLOCK_DEVICE_WRITE_ERROR`
     39  1. `BLOCK_DEVICE_ERROR`
    4040
    4141 * '''BLOCK_DEVICE_IRQ_ENABLE''' (read/write)
     
    5050The following operations codes are defined:
    5151
    52  * `BLOCK_DEVICE_NOOP` Nothing
     52  1. `BLOCK_DEVICE_NOOP` Nothing
    5353
    54  * `BLOCK_DEVICE_READ` from flock device to memory
     54  1. `BLOCK_DEVICE_READ` from flock device to memory
    5555
    56  * `BLOCK_DEVICE_WRITE` from memory to block device
     56  1. `BLOCK_DEVICE_WRITE` from memory to block device
    5757
    5858For extensibility issues, you should access this component using globally-defined offsets.