[Hard fault] devo8-v3.0.0-f26a608 R0 = 00000000 R1 = 00000020 R2 = 00000000 R3 = 00000000 R12 = 00000050 LR [R14] (subroutine call return address) = 0800798f PC [R15] (program counter) = 0800b374 PSR = 61000000 BFAR = e000ed38 CFSR = 00080000 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 Top of Stack:2000c000 Stack Detect:2000bfd8 Backtrace: 2000bfec : 0800798f Done