STM32F407进入HardFault_Handler，串口已经输出相关代码，请高手看看怎么解决？【增加堆栈空间不管用】

天山狐狸 · 发表于 2016-3-16 13:48:56

如题，我的407跑不多久就进入硬件错误中断了，中断中我已经输出的重要信息，如下图所示，哪位看看是哪里出问题了

附：开始时进硬件中断，后把堆栈从0x2000改为了0x4000，还是不行。系统跑了ucos II，每个任务堆栈128B

下面是输出的相关信息：
[mw_shl_code=applescript,true]  unsigned int stacked_r0;
  unsigned int stacked_r1;
  unsigned int stacked_r2;
  unsigned int stacked_r3;
  unsigned int stacked_r12;
  unsigned int stacked_lr;
  unsigned int stacked_pc;
  unsigned int stacked_psr;

  unsigned int stacked_bfar;
  unsigned int stacked_cfsr;
  unsigned int stacked_hfsr;
  unsigned int stacked_dfsr;
  unsigned int stacked_afsr;
  unsigned int stacked_scb_shcsr;

  stacked_r0 = ((unsigned long) hardfault_args[0]);
  stacked_r1 = ((unsigned long) hardfault_args[1]);
  stacked_r2 = ((unsigned long) hardfault_args[2]);
  stacked_r3 = ((unsigned long) hardfault_args[3]);

  stacked_r12 = ((unsigned long) hardfault_args[4]);
  stacked_lr = ((unsigned long) hardfault_args[5]);
  stacked_pc = ((unsigned long) hardfault_args[6]);
  stacked_psr = ((unsigned long) hardfault_args[7]);

  stacked_bfar = (*((volatile unsigned long *)(0xE000ED38)));
  stacked_cfsr = (*((volatile unsigned long *)(0xE000ED28)));
  stacked_hfsr = (*((volatile unsigned long *)(0xE000ED2C)));
  stacked_dfsr = (*((volatile unsigned long *)(0xE000ED30)));
  stacked_afsr = (*((volatile unsigned long *)(0xE000ED3C)));
  stacked_scb_shcsr = SCB->SHCSR;

  printf ("\r\n\r\n[Hard fault handler - all numbers in hex]\r\n");
  printf ("R0 = %x\r\n", stacked_r0);
  printf ("R1 = %x\r\n", stacked_r1);
  printf ("R2 = %x\r\n", stacked_r2);
  printf ("R3 = %x\r\n", stacked_r3);
  printf ("R12 = %x\r\n", stacked_r12);
  printf ("LR [R14] = %x subroutine call return address\r\n", stacked_lr);
  printf ("PC [R15] = %x program counter\r\n", stacked_pc);
  printf ("PSR = %x\r\n", stacked_psr);

  printf ("BFAR = %x\r\n", stacked_bfar);
  printf ("CFSR = %x\r\n", stacked_cfsr);
  printf ("HFSR = %x\r\n", stacked_hfsr);
  printf ("DFSR = %x\r\n", stacked_dfsr);
  printf ("AFSR = %x\r\n", stacked_afsr);
  printf ("SCB_SHCSR = %x\r\n", stacked_scb_shcsr);

  while (1);[/mw_shl_code]