[Hard fault] devo7e-v4.0.1-61e1740 R0 = 40010800 R1 = 00008000 R2 = 20004d98 R3 = 000002df R12 = 20003de0 LR [R14] (subroutine call return address) = 200048ed PC [R15] (program counter) = 20004152 PSR = 0100002e BFAR = 20005077 CFSR = 00008200 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 Top of Stack:20004000 Stack Detect:20003f28 Backtrace: 20003f3c : 200048ed 20003f54 : 200045d3 20003f84 : 08005e3b 20003fa4 : 0800c661 20003fbc : 0800c661 20003fd4 : 0800d82b 20003fe4 : 0800daf5 20003fec : 0800a149 20003ffc : 0801ce0d Done