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Freescale MQX Release Notes

Freescale Semiconductor

4 What is Missing?

The MQX development teams in Freescale are working of continuous improvement of the MQX

code, bringing new features as well as enabling and validating legacy MQX features with the latest

supported devices.

This section provides a list of legacy MQX features which were removed and are not available in the

current release of Freescale MQX™ RTOS. Features may either be removed temporarily, until the

code is re-tested and validated with the latest supported devices; or permanently when the feature

is considered obsolete.

4.1 In MQX PSP

4.1.1 MMU and Virtual Memory Handling

Memory Management Unit and Virtual Memory is not available on devices currently supported by

Freescale MQX™ RTOS.

4.1.2 IPC – Communicating Between Processors

The IPC component which enables inter-processor communication, message exchange and

synchronization has not yet been validated with devices currently supported by Freescale MQX

release.

4.2 In RTCS TCP/IP Stack

4.2.1 RTCS Example Applications

The legacy RTCS example applications as summarized below have been removed from the

Freescale MQX™ RTOS distribution and were replaced by other applications.

‐ apps – demonstrating the FTP, Telnet, TFTP and SNMP server services. The FTP and

Telnet services are demonstrated with “HVAC” demo applications in the top-level demo

directory. Standalone FTP server is also demonstrated in the mfs/examples/mfs_usb

example application, and by the shell ftp and ftpd commands.

‐ boot – demonstrating the TFTP booting client application was removed, an equivalent is

available through the shell bootp command.

‐ dhcpclnt – demonstrating the DHCP client features has been replaced by the “ipconfig”

shell command implementation (used in HVAC demo). This command uses the new IPCFG

feature in RTCS to simplify various kinds of address binding, and by the shell dhcp

commands..

‐ dhcpsrv – demonstrating DHCP server features has been temporarily removed.

‐ lcpecho – exercising the PPP protocol has been removed.

‐ qotdclnt and qotdsrv – showing simple socket communication has been temporarily

removed.

‐ rtcsdemo – used as an example of MQX/RTCS application generated by “Application

Generator” tool has been removed as this PC Host tool is not available in the current

release.

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