LPC Microcontrollers中的主题 Reading/writing SYSCON on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570612#M18207 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Anemaet on Sat Mar 14 10:04:49 MST 2015</STRONG><BR /><SPAN>Hi all,</SPAN><BR /><BR /><SPAN>I have a problem with a LPC824.</SPAN><BR /><BR /><SPAN>Somehow I cannot read nor write the SYSCON register. Both actions crash the controller. The GDB debugger log is in the code block below.</SPAN><BR /><BR /><SPAN>Do I have to enable that part of the APB somehow? </SPAN><BR /><BR /><SPAN>Thanks so much!</SPAN><BR /><BR /><BR /><STRONG>Log</STRONG><BR /><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> WARNING: Failed to read memory @ address 0x40048000 WARNING: Failed to read memory @ address 0x40048004 WARNING: Failed to read memory @ address 0x40048008 WARNING: Failed to read memory @ address 0x4004800C WARNING: Failed to read memory @ address 0x40048020 WARNING: Failed to read memory @ address 0x40048024 WARNING: Failed to read memory @ address 0x40048030 WARNING: Failed to read memory @ address 0x40048040 WARNING: Failed to read memory @ address 0x40048044 WARNING: Failed to read memory @ address 0x40048070 WARNING: Failed to read memory @ address 0x40048074 WARNING: Failed to read memory @ address 0x40048078 WARNING: Failed to read memory @ address 0x40048080 WARNING: Failed to read memory @ address 0x40048094 WARNING: Failed to read memory @ address 0x400480E0 WARNING: Failed to read memory @ address 0x400480E4 WARNING: Failed to read memory @ address 0x400480E8 WARNING: Failed to read memory @ address 0x400480EC WARNING: Failed to read memory @ address 0x400480F0 WARNING: Failed to read memory @ address 0x400480F4 WARNING: Failed to read memory @ address 0x400480FC WARNING: Failed to read memory @ address 0x40048100 WARNING: Failed to read memory @ address 0x40048150 WARNING: Failed to read memory @ address 0x40048154 WARNING: Failed to read memory @ address 0x40048170 WARNING: Failed to read memory @ address 0x40048174 WARNING: Failed to read memory @ address 0x40048204 WARNING: Failed to read memory @ address 0x40048214 WARNING: Failed to read memory @ address 0x40048230 WARNING: Failed to read memory @ address 0x40048234 WARNING: Failed to read memory @ address 0x40048238 WARNING: Failed to read memory @ address 0x400483F4 </PRE> </TD></TR></TBODY></TABLE><BR /></BODY></HTML> Wed, 15 Jun 2016 20:10:36 GMT lpcware 2016-06-15T20:10:36Z Reading/writing SYSCON on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570612#M18207 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Anemaet on Sat Mar 14 10:04:49 MST 2015</STRONG><BR /><SPAN>Hi all,</SPAN><BR /><BR /><SPAN>I have a problem with a LPC824.</SPAN><BR /><BR /><SPAN>Somehow I cannot read nor write the SYSCON register. Both actions crash the controller. The GDB debugger log is in the code block below.</SPAN><BR /><BR /><SPAN>Do I have to enable that part of the APB somehow? </SPAN><BR /><BR /><SPAN>Thanks so much!</SPAN><BR /><BR /><BR /><STRONG>Log</STRONG><BR /><BR /><TABLE border="1"><TBODY><TR><TD bgcolor="#cacaca"> <PRE> WARNING: Failed to read memory @ address 0x40048000 WARNING: Failed to read memory @ address 0x40048004 WARNING: Failed to read memory @ address 0x40048008 WARNING: Failed to read memory @ address 0x4004800C WARNING: Failed to read memory @ address 0x40048020 WARNING: Failed to read memory @ address 0x40048024 WARNING: Failed to read memory @ address 0x40048030 WARNING: Failed to read memory @ address 0x40048040 WARNING: Failed to read memory @ address 0x40048044 WARNING: Failed to read memory @ address 0x40048070 WARNING: Failed to read memory @ address 0x40048074 WARNING: Failed to read memory @ address 0x40048078 WARNING: Failed to read memory @ address 0x40048080 WARNING: Failed to read memory @ address 0x40048094 WARNING: Failed to read memory @ address 0x400480E0 WARNING: Failed to read memory @ address 0x400480E4 WARNING: Failed to read memory @ address 0x400480E8 WARNING: Failed to read memory @ address 0x400480EC WARNING: Failed to read memory @ address 0x400480F0 WARNING: Failed to read memory @ address 0x400480F4 WARNING: Failed to read memory @ address 0x400480FC WARNING: Failed to read memory @ address 0x40048100 WARNING: Failed to read memory @ address 0x40048150 WARNING: Failed to read memory @ address 0x40048154 WARNING: Failed to read memory @ address 0x40048170 WARNING: Failed to read memory @ address 0x40048174 WARNING: Failed to read memory @ address 0x40048204 WARNING: Failed to read memory @ address 0x40048214 WARNING: Failed to read memory @ address 0x40048230 WARNING: Failed to read memory @ address 0x40048234 WARNING: Failed to read memory @ address 0x40048238 WARNING: Failed to read memory @ address 0x400483F4 </PRE> </TD></TR></TBODY></TABLE><BR /></BODY></HTML> Wed, 15 Jun 2016 20:10:36 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570612#M18207 lpcware 2016-06-15T20:10:36Z Re: Reading/writing SYSCON on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570613#M18208 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Anemaet on Sun Mar 15 02:01:48 MST 2015</STRONG><BR /><SPAN>So my question really is, is there a way you can prevent access to SYSCON?</SPAN><BR /><BR /><SPAN>If there isn't this uC is bricked, otherwise I'll have a lead to solving my problem.</SPAN></BODY></HTML> Wed, 15 Jun 2016 20:10:37 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570613#M18208 lpcware 2016-06-15T20:10:37Z Re: Reading/writing SYSCON on LPC824 https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570614#M18209 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Anemaet on Mon Mar 16 01:29:59 MST 2015</STRONG><BR /><SPAN>Ah I figured it out, I was mixing arm-elf with arm-eabi.</SPAN><BR /><BR /><SPAN>This can be closed.</SPAN></BODY></HTML> Wed, 15 Jun 2016 20:10:38 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Reading-writing-SYSCON-on-LPC824/m-p/570614#M18209 lpcware 2016-06-15T20:10:38Z