[Hard fault] devo7e-v3.0.0-6cec024 R0 = 2000108c R1 = 00000000 R2 = 2000113c R3 = 20000b20 R12 = 00000020 LR [R14] (subroutine call return address) = 080085f9 PC [R15] (program counter) = 20000b20 PSR = 20000000 BFAR = e000ed38 CFSR = 00020000 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 Top of Stack:20004000 Stack Detect:20003f50 Backtrace: 20003f64 : 080085f9 20003f74 : 080079a5 20003f8c : 08019943 20003f98 : 08010ec5 20003f9c : 0800ec65 20003fac : 0800e44d 20003fb4 : 0800e4c1 20003fb8 : 0800e495 20003fbc : 0800b373 20003fcc : 0800b3cf 20003fec : 0800b197 20003ff4 : 0800b2ab 20003ffc : 080023dd Done