[Hard fault handler00000000 R0 = 00100040 R1 = 00000113 R2 = 00000000 R3 = 0000003a R12 = 20004003 LR [R14] (subroutine call return address) = 0800d203 PC [R15] (program counter) = 0800d172 PSR = 21000000 BFAR = 0010004d CFSR = 00008200 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 impure_ptr = 080213b3 00000026 20000082 0000001a