ColdFire/68K Microcontrollers and ProcessorsのトピックUSB bootloader example. MCF52259DEMOMCU. https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/USB-bootloader-example-MCF52259DEMOMCU/m-p/219220#M11122 <HTML><HEAD></HEAD><BODY><SPAN>Is the USB bootloader example 'MCF5225x_Bootloader_with_Application' designed to load application code only once?.</SPAN></BODY></HTML> Fri, 02 Oct 2009 16:43:42 GMT Zaas 2009-10-02T16:43:42Z USB bootloader example. MCF52259DEMOMCU. https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/USB-bootloader-example-MCF52259DEMOMCU/m-p/219220#M11122 <HTML><HEAD></HEAD><BODY><SPAN>Is the USB bootloader example 'MCF5225x_Bootloader_with_Application' designed to load application code only once?.</SPAN></BODY></HTML> Fri, 02 Oct 2009 16:43:42 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/USB-bootloader-example-MCF52259DEMOMCU/m-p/219220#M11122 Zaas 2009-10-02T16:43:42Z Re: USB bootloader example. MCF52259DEMOMCU. https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/USB-bootloader-example-MCF52259DEMOMCU/m-p/219221#M11123 <HTML><HEAD></HEAD><BODY>Please, let me explain. I modified this bootloader 'MCF5225x_Bootloader_with_Application' slightly to work with serial interface using interrupts (Rx) instead of USB. Of course, I modified my applications as it is saying in 'M52259LAB.pdf' document to make it bootlader compatible.<BR />&nbsp;<BR />I just try to do this sequence of uploads: My_SerialBootloader--&gt;App1_BootCompatible--&gt;App2_BootCompatible --&gt;...<BR /><BR />&nbsp;&nbsp;&nbsp; I have problems when I tried to upload the code from App1_BootCompatible to App2_BootCompatible seems that when try to access to the variables related to the bootcode the programs hang up. I don't know what I'm missing or doing wrong? Could any one give me a little help or an idea about it?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR /><BR />thanks in advance.</BODY></HTML> Thu, 08 Oct 2009 16:03:37 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/USB-bootloader-example-MCF52259DEMOMCU/m-p/219221#M11123 Zaas 2009-10-08T16:03:37Z