[Hard fault handler00000000 R0 = 40010800 R1 = 00002000 R2 = 80000000 R3 = 2000459d R12 = 00000044 LR [R14] (subroutine call return address) = 200045bf PC [R15] (program counter) = 20004108 PSR = a1000000 BFAR = e000ed38 CFSR = 00010000 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 impure_ptr = 08019d2d 00000026 20000082 0000001a