RAM 6.0 BUX II Series Guía de usuario descargar pdf (Pagina 34)

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BSP Developer’s Guide, 6.0

sysHwInit2( ). These routines are described in 2.3.4 Required Routines, p.32. Also

see the source code in your reference BSP or the template BSP.

While sysLib.c is the largest BSP file, in the early phases of BSP development it is

advisable to implement only the basics, including sysModel( ), sysBspRev( ),

sysHwInit( ), sysHwInit2( ), and sysMemTop( ).

The file sysLib.c also includes the following NVRAM stub drivers during initial

development:

#include "mem/nullNvram.c"

#include "vme/nullVme.c"

Additional information about NVRAM support is provided in 3.3.4 NVRAM, p.74.

The sysHwInit( ) routine is the heart of sysLib.c, and most of the initial work is

done here. sysHwInit( ) is the routine that resets all devices to a quiescent state so

that they do not generate interrupts later on when interrupts are enabled.

target.ref or target.nr

This file describes the BSP, and is used to generate automatic online documentation

in HTML format. To format the documentation as HTML, type make man in the

BSP directory.

For more information on updating and using this file, see 3.3.8 Updating

BSP-Specific Documentation, p.98, and B. Documentation Guidelines.

board.jpg

This optional file contains a JPEG image of the target system board. You may wish

to label the images to show the serial connector, power connector, and Ethernet

connector.

sysDev.c

Each device driver available for target hardware has its own sysDev.c file, where

Dev is a short identifier for the target hardware. For example, sysNet.c and

NOTE: When hardware features are missing, it is usually safe to code an empty

stub in sysLib.c. If any return value is required, the stub can return

ERROR or

NULL, whichever is appropriate.

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RAM 6.0 BUX II Series Guía de usuario Pagina 34