Kinetis MicrocontrollersのトピックMK64FX512VLL12 Custom Bootloader related https://community.nxp.com/t5/Kinetis-Microcontrollers/MK64FX512VLL12-Custom-Bootloader-related/m-p/615776#M36632 <HTML><HEAD></HEAD><BODY><P>Hi,<BR />I am trying to make custom bootloader firmware using MK64FX controller, for this i have modified the linker files for both application and booatloader firmware. For this changes i had used "DFU_PC_Demo" source code.</P><P></P><P>By using bootloader firmware i can erase all flash sectors (512KB) without any error.</P><P></P><P>I am using FTFE flash module for programming flash sectors, i after programming 68KB of firmware, i am getting "ACCERR" error in "FTFE_FSTAT" register, but still all firmware is downloading without any error.</P><P></P><P>After complete download of firmware , i couldn't jump to application firmware location (0x16000) , I am getting 'no source available error in debug and sometimes go to "Default handler".</P><P></P><P>Kindly suggest necessary changes required for remove access error and switching program counter to Application firmware location.</P><P>From,<BR />Raviraj</P></BODY></HTML> Fri, 03 Mar 2017 03:46:08 GMT neha_beknalkar 2017-03-03T03:46:08Z MK64FX512VLL12 Custom Bootloader related https://community.nxp.com/t5/Kinetis-Microcontrollers/MK64FX512VLL12-Custom-Bootloader-related/m-p/615776#M36632 <HTML><HEAD></HEAD><BODY><P>Hi,<BR />I am trying to make custom bootloader firmware using MK64FX controller, for this i have modified the linker files for both application and booatloader firmware. For this changes i had used "DFU_PC_Demo" source code.</P><P></P><P>By using bootloader firmware i can erase all flash sectors (512KB) without any error.</P><P></P><P>I am using FTFE flash module for programming flash sectors, i after programming 68KB of firmware, i am getting "ACCERR" error in "FTFE_FSTAT" register, but still all firmware is downloading without any error.</P><P></P><P>After complete download of firmware , i couldn't jump to application firmware location (0x16000) , I am getting 'no source available error in debug and sometimes go to "Default handler".</P><P></P><P>Kindly suggest necessary changes required for remove access error and switching program counter to Application firmware location.</P><P>From,<BR />Raviraj</P></BODY></HTML> Fri, 03 Mar 2017 03:46:08 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MK64FX512VLL12-Custom-Bootloader-related/m-p/615776#M36632 neha_beknalkar 2017-03-03T03:46:08Z