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===== Setup M7 Core =====

<callout type="warning" icon="true"> 
This manual has been tested with Ubuntu 20.04 as host and the Segger J-Link debugger.
</callout>
==== Toolchain Installation ====
   * Download installer from [[https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads]]
   * For the TQMa8MPXL you need the gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2
   * Unpack the tarball to the install directory, like this: ''cd ${install_dir} && tar xjf gcc-arm-none-eabi-_version_-linux.tar.bz2''
  
==== Setup J-LINK GDB Server ====
   * Download J-Link Connect GDB Server from https://www.segger.com/products/debug-probes/j-link/tools/j-link-gdb-server/about-j-link-gdb-server/ 
   * Install with dpkg-i JLink_Linux_V752d_x86_64.deb
   * Connect Segger J-LINK with JTAG Interface on Mainboard (X22)
   * Boot the STKa8MPxl in U-Boot
   * Start the J-Link GDB Server with ''JLinkGDBServer -if JTAG -device MIMX8ML8_M7''
   
==== Build HELLO WORLD Application ====
   * Open a second terminal
   * Install the following packages on your host ''sudo apt install libncurses5 cmake''
   * Download MCU Espresso SDK from TQ GitHub Repository
   * Change System Variables to Toolchain SDK  
<code>export ARMGCC_DIR=${install_dir}/gcc-arm-none-eabi-9-2019-q4-major
export PATH=$PATH:${install_dir}/gcc-arm-none-eabi-9-2019-q4-major/bin</code>
  * Change in your MCU Espresso SDK directoy 
<code>cd ${MCU_Espresso_SDK}/boards/tqma8mpxl-mba8mpxl/demo_apps/hello_world/armgcc</code>
  * if necessary make the script //build_debug.sh// executable
<code>chmod +x build_debug.sh</code>
  * run the script to build the firmware
<code>./build_debug.sh</code>

==== Run HELLO WORLD Application ====
   * Open UART_3 in your serial console
   * ''cd ${MCU_Espresso_SDK}/boards/tqma8mxnl-mba8mx/demo_apps/hello_world/armgcc/debug''
   * ''arm-none-eabi-gdb hello_world.elf''
   * ''target remote localhost:2331''
   * ''monitor reset''
   * ''monitor halt''
   * ''load''
   * ''monitor go''
   * In your console ''TQ-Systems GmbH TQMa8MPxL-MBa8MPxL hello world.'' should be seen

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<nav type="pills" stacked="true">
  * [[.:development_host:yocto_sdk| → Building Yocto SDK]]
  * → Setup IDE's
    * [[.:development_host:eclipse|Eclipse]]
    * [[.:development_host:qt_creator|Qt Creator]]
</nav>
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<nav type="pills" stacked="true">
  * [[.:development_host:cortex_m| → Building the Cortex M7 Examples with MCUXpresso]]
  * [[.:development_host:eiq| → Setup BSP for Machine Learning functionality]]
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