Philips ISP1362 Operation & User’s Manual

Text of Philips ISP1362 User Guide:

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 6 of 34 1. Introduction 1.1. Purpose This document explains how to install, configure and use the ISP1362 Linux stack. 1.2. Scope This document is intended for the users of the ISP1362 evaluation kit on Linux. 1.3. Abbreviations DCD Device Controller Driver FSM Finite State Machine HCD Host Controller Driver IDP Int

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 21 of 34 This script mounts the OTG mass storage disk data from Accelent IDP ROM to RAM. 4.3.2. Loading the Stack The ISP1362 Linux stack modules (kernel as well as application) are dynamically loaded and unloaded to the kernel. • Log on to the system as root, go to the ISP1362 object directory and use the script to load modu

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 2 of 34 This is a legal agreement between you (either an individual or an entity) and Philips Semiconductors. By accepting this product, you indicate your agreement to the disclaimer specified as follows: DISCLAIMER PRODUCT IS DEEMED ACCEPTED BY RECIPIENT. THE PRODUCT IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, PHILIPS SEMICONDUCTORS FURTHER DISCLAIMS ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED W

• Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 9 of 34 Figure 3-1: ISP1362 Linux Setup Example 3.1. ISP1362 PCI Evaluation Kit 3.1.1. Setting Up the PC and OS For one evaluation k

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 31 of 34 6. Inside the ISP1362 Linux Stack The ISP1362 Linux stack release consists of two parts: a Linux kernel OTG patch for kernel version 2.4.18 and the ISP1362 Linux stack source code. The code is written in C. This chapter explains the ISP1362 Linux stack source code organization. 6.1. Top-Level Directory The root directory consists of all the substac

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 7 of 34 2.3. Core Modules 2.3.1. Host Stack The host stack consists of the Host Controller Driver (HCD) module. The driver is used for data transfer on the USB bus for the connected devices. This driver can work in parallel with other HCDs (OHCI HCD, UHCI HCD, EHCI HCD) present in the kernel. This is a kernel module and the Linux OS has support for USB, connected USB device class drivers and suitable applications. Figure 2-1: ISP1362 Linux Stack Architecture 2.3.2. Devic

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• Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 27 of 34 2. #./otgcmd mount This command will mount the local and connected OTG mass storage disks to the specified mount points and the disks are ready for use. To discon

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 23 of 34 When connected to another USB host, with the ISP1362 as a device, you can: • See the mass storage as a removable disk (capacity of 16 MB including the file system) • See the contents of the disk • Read/write the contents of the disk • Format the disk (FAT16, EXT2 file systems) • Partition the disk into smaller disks. 4.6. ISP1362 OTG Stack To work with the OTG stack, you need to run either the otg commands from the tools directory or OTG

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 28 of 34 Figure 4-9 OTG B closing the session after connected device data access Figure 4-8 shows the screen capture of otgcmd.o utility when running on the Accelent IDP platform. It shows the execution of otgcmd.o for current status, becoming usb host, mounting the connected device disks and accessing the connected OTG mass storage device (A device) files.

• Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 4 of 34 5. CONFIGURATION......................................................................................................................... 30 5.1. COMPILATION FLAGS ..........

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 18 of 34 • CROSS_COMPILE path • MS_SIZE_FLAG is set to _8MB_SIZE_ (because of limitation of Accelent board for Mass storage demo) 3.3.2.14.OS Image Creation To compile the kernel and create the final image to be downloaded into the IDP target, use the command: #cd /usr/src/linux-otg/ #make dep zImage modules modules_install 1362_jffs_rootfs jffs_image As a result, a num

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 15 of 34 The ISP1362 Linux stack and Accelent IDP does not support two or more boards at the same time. Therefore, for the ISP1362 OTG evaluation, you must have two Accelent IDPs. The ISP1362 Linux stack on Intel PXA250 based Accelent IDP platform has been tested with AccelLinux kernel version 2.4.18. Linux kernel versions 2.4.19 or above need a different kernel patch for OTG. Therefore, it i

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 5 of 34 Figures Figure 2-1: ISP1362 Linux Stack Architecture ....................................................................................................................................................7 Figure 3-1: ISP1362 Linux Setup Example............................................................................................................................................................9 Figure 3-2 Development setup for Intel PXA250 Based Accelent IDP ............

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 32 of 34 Table 6-4: Contents of the device Directory File Name Description release/device/Makefile Makefile for the device stack subdirectories release/device/pdc ISP1362 Device Controller Driver C source file release/device/devmscd ISP1362 Device Controller Driver C header file release/device/diskemu ISP1362 USB protocol driver C source file 6.3.1. pdc The pdc director

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 30 of 34 5. Configuration The ISP1362 Linux stack can be configured to work in different ways by using the static compilation time flags. The Rules.Make file in the root directory of the source code selects the global compilation flags. The local compilation flags for the modules are selected in the Makefile of the c

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 20 of 34 You should also see the msdisk application running as an application process when you list the current running processes ( ps). 4.1.2. Unloading the Stack 1. As root of the system, go to the ISP1362 Linux source directory and use the script to unload module. #cd /usr/src/linux-otg/1362/source/objs #./rmod 2. If you execute the /sbin/lsmod

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 14 of 34 1. The boot loader boot.bin (from the accelent CD) does not support ISP1362 add-on card. Use the boot loader from the ISP1362 stack release (/home/1362/AccelentIDP/boot.bin). 2. To load the new kernel and root file system from the development environment, copy the nk_jffs_flash.bin from the earlier section as nk.bin to the CompactFlash card and boot up th

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 19 of 34 5. Write the following in a temporary file, say TempData, and give the file as an input to the fdisk command x h 1 c 1024 2 16 r n p 1 p w The following values are made for an OTG mass storage disk of size 8MB. Use the following command on the host PC: #fdisk /dev/sd[X] <TempData Where [X] could b

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 26 of 34 Figure 4-7: OTG Application as a Device Snapshot Another way to use the OTG mass storage is by using the command-line application in the tools directory. To see the list of options supported by this command, use the help option. #cd /home/1362/objs #./otgcmd.o help The following table provides a list of otgcmd.o options and their description: Table 4-1: OTG Command Line tool Options Option Description

• Philips ISP1362, Philips Semiconductors ISP1362 Linux Stack User’s Guide UM10012-_2 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. User’s Guide Rev. 1.2—July 2003 25 of 34 Figure 4-5 shows a snapshot of the application in the HOST state when a Mini-B plug is connected to the OTG port. In the HOST state, both the local and remote OTG device disks are mounted and are available for operation. You can select files from the source disk and transfer (copy or move) the files to the destination disk. You

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