ST7105

Architecture	SH4
CPU	SH430
RAM	???MB
Hardware acceleration	DirectFB
Qt 4.8 (DirectFB/QWS)	Supported, no OpenGL

Device Information

The ST7105 is made by STMicroelectronics [st.com].

• “The STi7105 is targeted at the latest Operator and CE manufacturer requirements for STBs which utilize advanced HD decoding (H264/VC- 1/MPEG2), and which conform to DVB, ISMA, ATIS-IIF, SCTE, DirecTV, ATSC, ARIB, CEA, ITU, OpenCable and MSTV specifications.”

• [1] STi7105 Low cost advanced HD decoding IC for STB and iDTV

Software

1. STM SDK 3.6A
2. STLinux-2.4 [stlinux.com]
3. sh4-linux crosstools from STM

Qt 4.8.0 DirectFB/QWS

Assumptions

1. STM reference software SDK 3.6A is built on Host PC as conveyed in STM’s documentation given by STM’s Field Application Engineer.
2. Can run STM’s “Test-Tool” on reference board to test DirectFB and media playback.

Getting Qt 4.8.0 with STM patches and mkspecs

1. Download ftp://ftp.stlinux.com/pub/stlinux/2.4/updates/SRPMS/stlinux24-target-qt-embedded-4.8.0-5.src.rpm
2. Extract stlinux24-target-qt-embedded-4.8.0-5.src.rpm
3. Extract qt-everywhere-opensource-src-4.8.0.tar.gz
4. Apply following patches on extracted qt-everywhere-opensource-src-4.8.0 in given order
   1. qt-embedded-4.8.0-st200.patch
   2. qt-embedded-4.8.0-sh4.patch
   3. qt-embedded-4.8.0-armvX.patch
   4. qt-embedded-4.8.0-mmap.patch
   5. qt-embedded-4.8.0-add_SRC_OVER_rule.patch
   6. qt-embedded-4.8.0-add_window_console_message_from_javaScript.patch
   7. qt-embedded-4.8.0-reset_CacheLoadControlAttribute_to_default.patch
   8. qt-embedded-4.8.0-adds_for_webkit_jit.patch
   9. qt-embedded-4.8.0-directfb-enable-QT_NO_DIRECTFB_PREALLOCATED-QT_DIREC.patch
   10. qt-embedded-4.8.0-imagedecoderqt-Use-DirectFB-to-load-single-frame-ima.patch
   11. qt-embedded-4.8.0-st231_disable_fno-stack-protector.patch
   12. qt-embedded-4.8.0-Accelerate_QtWebKit_animated_images.patch
5. Create folder named “linux-sh4-ST7105-g++” in “qt-everywhere-opensource-src-4.8.0/mkspecs/qws”
6. Get following files in “qt-everywhere-opensource-src-4.8.0/mkspecs/qws/linux-sh4-ST7105-g++”
   1. https://gitorious.org/qt-platform-mkspecs/qt-platform-mkspecs/blobs/master/4.8/qws/linux-sh4-ST7105-g++/qmake.conf
   2. https://gitorious.org/qt-platform-mkspecs/qt-platform-mkspecs/blobs/master/4.8/qws/linux-sh4-ST7105-g++/qplatformdefs.h

Compiling Qt 4.8.0

Set the development environment variables using following commands Configure, build and install Qt 4.8.0 as After the build succeeds set following environment variables before building any Qt Apps,

1. QTDIR=/path/to/installation/directory/qt-everywhere-opensource-src-4.8.0-qws/
2. PATH=/path/to/installation/directory/qt-everywhere-opensource-src-4.8.0-qws/bin/

Categories:

• Devices