STM32F407 FreeRTOS使用ST的DSP库会导致硬件错误

阳光灿烂的日子 · 发表于 2017-8-7 13:45:34

[mw_shl_code=applescript,true]int main(void)
{
// SystemBSPInit();

// printf("Init Success\r\n");

// xTaskCreate( vStartTask, StartTaskName, configMINIMAL_STACK_SIZE*8, NULL, vStartTask_PRIORITY, NULL );

// vTaskStartScheduler();  //¿aê¼èÎÎñμ÷¶è
// for(;;);

u32 i = 0;
  arm_status status;                         /* Status of the example */
  arm_cfft_radix4_instance_f32 cfft_instance;  /* CFFT Structure instance */

  /* CFFT Structure instance pointer */
  arm_cfft_radix4_instance_f32 *cfft_instance_ptr =
   (arm_cfft_radix4_instance_f32*) &cfft_instance;

/* Initialize the CFFT function to compute 64 point fft */
status = arm_cfft_radix4_init_f32(cfft_instance_ptr, 64, 0, 1);

while (1)
{
i++;
  }
}
[/mw_shl_code]

这样不带操作系统，裸跑，程序运行正常，如果使能FreeRTOS后,在任务中运行status = arm_cfft_radix4_init_f32(cfft_instance_ptr, 64, 0, 1);会导致硬件错误，会跳转到[mw_shl_code=applescript,true]void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {

  }
}[/mw_shl_code]中去，难道两者不兼容吗？