[Hard fault] devo12-v5.0.0-9fc0945 R0 = 00000000 R1 = 00000020 R2 = 00000000 R3 = 00004000 R12 = 0000004e LR [R14] (subroutine call return address) = 0000004e PC [R15] (program counter) = 08007d4e PSR = 01000000 BFAR = e000ed38 CFSR = 01000000 HFSR = 40000000 DFSR = 00000000 AFSR = 00000000 SCB_SHCSR = 00000000 Top of Stack:2000c000 Stack Detect:2000bf48 Backtrace: 2000bfac : 08007807 2000bfbc : 08007363 2000bfc4 : 0800ab45 2000bfdc : 0800b5e3 2000bfec : 08038acf 2000bffc : 08002b19 Done