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    <title>Kinetis Microcontrollers中的主题 Freedom KL25 Bootloade not working</title>
    <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/Freedom-KL25-Bootloade-not-working/m-p/677569#M41700</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Board i used Freedom KL25 Board and Code warrior 10.7 with your latest code &lt;BR /&gt;Debugger i am using is OPENSDA&lt;BR /&gt;Steps:-&lt;BR /&gt;I change only address specified in your tutorial&lt;BR /&gt; m_interrupts (RX) : ORIGIN = 0x00004000, LENGTH = 0x000000C0 &lt;BR /&gt; m_text (RX) : ORIGIN = 0x000040C0, LENGTH = 0x0001BF40&lt;/P&gt;&lt;P&gt;I increasing debounce delay also to 500msec and protected boot area 0x0000 - 0x3FFF in debugger settings&lt;BR /&gt;Used 3.3K for pull up &lt;BR /&gt;Connections:-&lt;BR /&gt; Push Button one terminal - 3.3V&lt;BR /&gt; Push Button another terminal 3.3K pullup resistor one terminal - PTB8&lt;BR /&gt; 3.3K pullup resistor one terminal - GND&lt;BR /&gt;In Debugger mode in Code Warrior With Push Button not pressed go to Application mode and Push Button pressed got to Bootloader mode&lt;/P&gt;&lt;P&gt;In Terminal App &lt;BR /&gt;Set it as RTS/CTS +XON and XOFF&lt;BR /&gt;1 ms delay&lt;/P&gt;&lt;P&gt;BL status is working perfectly fine but adrress is coming different&lt;BR /&gt;CMD&amp;gt;BL&lt;BR /&gt;App Flash : 0x00004000..0x0001FFFF&lt;BR /&gt; @0x00004000: 0x20003000 0x000052B1&lt;BR /&gt; &lt;BR /&gt;BL erase and BL load s19&lt;BR /&gt;CMD&amp;gt;Er&lt;/P&gt;&lt;P&gt;Please guide me how to get it done and Your Blink_LED.s19 is not working.&lt;/P&gt;&lt;P&gt;I generate s19 file of Frredom_LED code by selecting After Post Build Process "arm-none-eabi-objcopy -O srec "${ProjDirPath}/FLASH/${ProjName}.${BuildArtifactFileExt}" "${ProjName}.s19""&lt;/P&gt;&lt;P&gt;Similarly i want to build Bootloader for KEA128 and K20(72Mhz) Board. If you have any ideas how to build a bootloader for these two boards please guide me.&lt;BR /&gt; &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 29 Jun 2017 08:43:00 GMT</pubDate>
    <dc:creator>pavantmt</dc:creator>
    <dc:date>2017-06-29T08:43:00Z</dc:date>
    <item>
      <title>Freedom KL25 Bootloade not working</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/Freedom-KL25-Bootloade-not-working/m-p/677569#M41700</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Board i used Freedom KL25 Board and Code warrior 10.7 with your latest code &lt;BR /&gt;Debugger i am using is OPENSDA&lt;BR /&gt;Steps:-&lt;BR /&gt;I change only address specified in your tutorial&lt;BR /&gt; m_interrupts (RX) : ORIGIN = 0x00004000, LENGTH = 0x000000C0 &lt;BR /&gt; m_text (RX) : ORIGIN = 0x000040C0, LENGTH = 0x0001BF40&lt;/P&gt;&lt;P&gt;I increasing debounce delay also to 500msec and protected boot area 0x0000 - 0x3FFF in debugger settings&lt;BR /&gt;Used 3.3K for pull up &lt;BR /&gt;Connections:-&lt;BR /&gt; Push Button one terminal - 3.3V&lt;BR /&gt; Push Button another terminal 3.3K pullup resistor one terminal - PTB8&lt;BR /&gt; 3.3K pullup resistor one terminal - GND&lt;BR /&gt;In Debugger mode in Code Warrior With Push Button not pressed go to Application mode and Push Button pressed got to Bootloader mode&lt;/P&gt;&lt;P&gt;In Terminal App &lt;BR /&gt;Set it as RTS/CTS +XON and XOFF&lt;BR /&gt;1 ms delay&lt;/P&gt;&lt;P&gt;BL status is working perfectly fine but adrress is coming different&lt;BR /&gt;CMD&amp;gt;BL&lt;BR /&gt;App Flash : 0x00004000..0x0001FFFF&lt;BR /&gt; @0x00004000: 0x20003000 0x000052B1&lt;BR /&gt; &lt;BR /&gt;BL erase and BL load s19&lt;BR /&gt;CMD&amp;gt;Er&lt;/P&gt;&lt;P&gt;Please guide me how to get it done and Your Blink_LED.s19 is not working.&lt;/P&gt;&lt;P&gt;I generate s19 file of Frredom_LED code by selecting After Post Build Process "arm-none-eabi-objcopy -O srec "${ProjDirPath}/FLASH/${ProjName}.${BuildArtifactFileExt}" "${ProjName}.s19""&lt;/P&gt;&lt;P&gt;Similarly i want to build Bootloader for KEA128 and K20(72Mhz) Board. If you have any ideas how to build a bootloader for these two boards please guide me.&lt;BR /&gt; &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 29 Jun 2017 08:43:00 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/Freedom-KL25-Bootloade-not-working/m-p/677569#M41700</guid>
      <dc:creator>pavantmt</dc:creator>
      <dc:date>2017-06-29T08:43:00Z</dc:date>
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