LPC MicrocontrollersのトピックHard error with MCB1800 and USB PROM version and mouse example https://community.nxp.com/t5/LPC-Microcontrollers/Hard-error-with-MCB1800-and-USB-PROM-version-and-mouse-example/m-p/525308#M7944 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Skyle on Tue Jan 08 16:30:58 MST 2013</STRONG><BR /><SPAN>I want to use the built in ROM version of the drivers, i tested the mouse example mainly as a first simple approach. It works fine in the IAR environmnet, but there it builds for RAM. I ported into an Eclipse environment with GCC. The non ROM version works fine with FreeRTOS. When i switched to using the ROM version I got a hard error exception.</SPAN><BR /><BR /><SPAN>After going back to the clean non RTOS example, but still compiled with GCC., I still got the hard error. I have tried to figure out what could be different between the comopilers, have studied the descriptor structures in detail trying to find some "packing" differences.</SPAN><BR /><BR /><SPAN>After removing the "const" and "PROGMEM" atributes on the descriptors definitions, getting them, into RAM rather than in flash, it now seems to work.</SPAN><BR /><BR /><SPAN>As I see it there can be 2 possibilities for this, either tha ROM stack tries to write something in the descriptors, or the ROM version cannot read for example 8 bit elements from flash. </SPAN><BR /><BR /><SPAN>What is wrong here?</SPAN><BR /><BR /><SPAN>I am using the latest version of the USBlib stack.</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:53:06 GMT lpcware 2016-06-15T16:53:06Z Hard error with MCB1800 and USB PROM version and mouse example https://community.nxp.com/t5/LPC-Microcontrollers/Hard-error-with-MCB1800-and-USB-PROM-version-and-mouse-example/m-p/525308#M7944 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Skyle on Tue Jan 08 16:30:58 MST 2013</STRONG><BR /><SPAN>I want to use the built in ROM version of the drivers, i tested the mouse example mainly as a first simple approach. It works fine in the IAR environmnet, but there it builds for RAM. I ported into an Eclipse environment with GCC. The non ROM version works fine with FreeRTOS. When i switched to using the ROM version I got a hard error exception.</SPAN><BR /><BR /><SPAN>After going back to the clean non RTOS example, but still compiled with GCC., I still got the hard error. I have tried to figure out what could be different between the comopilers, have studied the descriptor structures in detail trying to find some "packing" differences.</SPAN><BR /><BR /><SPAN>After removing the "const" and "PROGMEM" atributes on the descriptors definitions, getting them, into RAM rather than in flash, it now seems to work.</SPAN><BR /><BR /><SPAN>As I see it there can be 2 possibilities for this, either tha ROM stack tries to write something in the descriptors, or the ROM version cannot read for example 8 bit elements from flash. </SPAN><BR /><BR /><SPAN>What is wrong here?</SPAN><BR /><BR /><SPAN>I am using the latest version of the USBlib stack.</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:53:06 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Hard-error-with-MCB1800-and-USB-PROM-version-and-mouse-example/m-p/525308#M7944 lpcware 2016-06-15T16:53:06Z