ADC Release 3.1 Bedienungsanleitung PDF herunterladen (Seite 12)

Freescale MQX Release Notes

10 Freescale Semiconductor

‐ MFS supports allocation of resources from a specific memory pool.

‐ Compile time and run-time configurable options were added in order to selectively enable

and disable individual MFS features.

‐ Similarly as the PSP, the MFS is configured and built for specific board. Originally, the MFS

component was built once for the particular device or even the whole ColdFire family. While

the MFS code still remains board-independent, this feature enables finer feature tuning for a

specific board.

3.4 MQX RTCS

This release of Freescale MQX includes the RTCS TCP/IP stack libraries. The RTCS is based and

is API-level compatible with version 2.97 released by ARC.

The major RTCS modifications as compared to the ARC release:

‐ The compile-time configuration of the RTCS is now accomplished by editing the

.../config/<board>/user_config.h file.

‐ Similarly as the PSP, the RTCS is configured and built for specific board. Originally, the

RTCS component was built once for the particular device or even the whole ColdFire family.

While the RTCS code still remains board-independent, this feature enables finer feature

tuning for a specific board.

‐ The RTCS was significantly optimized for devices with limited RAM resources. Several

configurable options were added in order to selectively enable and disable individual TCP/IP

features and protocols.

‐ The new FTP Client and Server have been moved from the example directory to the apps

directory.

‐ IPCFG feature in RTCS allows to monitor Ethernet link status and performs automated IP

address binding, either static IP, DHCP or DHCP with Auto IP assignment. Status may be

monitored in dedicated background task or by polling calls. New “ipconfig” shell command is

available as a user interface to the IPCFG functionality.

‐ RTCS supports allocation of resources from a specific memory pool.

‐ The HTTP server code was added. This server enables standard to implement web server

with a support for CGI-like callbacks or ASP-like page placeholder callbacks.

3.5 MQX USB Host

This release of Freescale MQX includes the USB Host drivers and USB class drivers. The USB

code is based on version 1.2.0 released by ARC.

The major USB modifications as compared to the ARC release:

‐ The compile-time configuration of the USB Host library is now accomplished by editing the

.../config/<board>/user_config.h file.

‐ A new USB Host low-level driver was written for MCF5222x and MCF5225x devices. This

new driver does not imply any change to higher levels of the USB Host stack. The driver

codename is KHCI.

‐ The separate Device-specific Driver, Host Development Kit library and USB Class library

projects were merged into a single library called HDK. The board-specific code was moved

to BSP library.

‐ Similarly as the PSP, the HDK library is now configured and built for specific board.

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