4 years, 6 months ago.

Hello World FRDM-K64F Cannot be made to work.

I have tried several times to compile and run the sample code for USB-Serial Hello world. "Blinky" works fine, but when I try the next step in the tutorials, I get this on my Serial monitor:

++ MbedOS Error Info ++ Error Status: 0x80FF013D Code: 317 Module: 255 Error Message: Fault exception Location: 0x533B Error Value: 0x102A For more info, visit: https://armmbed.github.io/mbedos-error/?error=0x80FF013D MbedOS Error Info

System will be rebooted due to a fatal error

Reboot count(=4532) reached maximum, system will halt after rebooting

++ MbedOS Fault Handler ++

FaultType: HardFault

Context: R0 : 00007BAC R1 : 00000000 R2 : 00008BAC R3 : 200000FC R4 : 00008BAC R5 : 00007BAC R6 : 00007BBC R7 : 200006A0 R8 : 00000000 R9 : 00000000 R10 : 0000797C R11 : 0000797C R12 : 00000000 SP : 2002FFD0 LR : 00001013 PC : 0000102A xPSR : 41000000 PSP : 00000000 MSP : 2002FF68 CPUID: 410FC241 HFSR : 40000000 MMFSR: 00000000 BFSR : 00000086 UFSR : 00000000 DFSR : 00000008 AFSR : 00000000 BFAR : 00007BAC Mode : Thread Priv : Privileged Stack: MSP

MbedOS Fault Handler

++ MbedOS Error Info ++ Error Status: 0x80FF013D Code: 317 Module: 255 Error Message: Fault exception Location: 0x533B Error Value: 0x102A For more info, visit: https://armmbed.github.io/mbedos-error/?error=0x80FF013D MbedOS Error Info

System will be rebooted due to a fatal error

Reboot count(=4533) reached maximum, system will halt after rebooting

++ MbedOS Fau

Could someone please tell me what I am doing wrong? I am following the steps given exactly, and I am using cut-and-paste code, so........WHAT?