startup.c 2.2 KB

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  1. /*
  2. * File : startup.c
  3. * This file is part of RT-Thread RTOS
  4. * COPYRIGHT (C) 2006, RT-Thread Develop Team
  5. *
  6. * The license and distribution terms for this file may be
  7. * found in the file LICENSE in this distribution or at
  8. * http://openlab.rt-thread.com/license/LICENSE
  9. *
  10. * Change Logs:
  11. * Date Author Notes
  12. * 2006-08-31 Bernard first implementation
  13. */
  14. #include <rthw.h>
  15. #include <rtthread.h>
  16. #include "board.h"
  17. #include "intrinsics.h"
  18. /**
  19. * @addtogroup rx62n
  20. */
  21. /*@{*/
  22. extern int rt_application_init(void);
  23. #pragma section="HEAP"
  24. /*******************************************************************************
  25. * Function Name : assert_failed
  26. * Description : Reports the name of the source file and the source line number
  27. * where the assert error has occurred.
  28. * Input : - file: pointer to the source file name
  29. * - line: assert error line source number
  30. * Output : None
  31. * Return : None
  32. *******************************************************************************/
  33. void assert_failed(unsigned char * file, unsigned long line)
  34. {
  35. rt_kprintf("\n\r Wrong parameter value detected on\r\n");
  36. rt_kprintf(" file %s\r\n", file);
  37. rt_kprintf(" line %d\r\n", line);
  38. while (1) ;
  39. }
  40. /**
  41. * This function will startup RT-Thread RTOS.
  42. */
  43. void rtthread_startup(void)
  44. {
  45. /* init board */
  46. rt_hw_board_init();
  47. #ifdef RT_USING_CONSOLE
  48. /* show version */
  49. rt_show_version();
  50. #endif
  51. #ifdef RT_USING_HEAP
  52. rt_system_heap_init(__segment_end("HEAP"), (void*)RX62N_SRAM_END);
  53. #endif /* RT_USING_HEAP */
  54. /* init scheduler system */
  55. rt_system_scheduler_init();
  56. /* initialize timer */
  57. rt_system_timer_init();
  58. /* init timer thread */
  59. rt_system_timer_thread_init();
  60. /* init application */
  61. rt_application_init();
  62. /* init idle thread */
  63. rt_thread_idle_init();
  64. /* start scheduler */
  65. rt_system_scheduler_start();
  66. /* never reach here */
  67. return ;
  68. }
  69. int main(void)
  70. {
  71. rt_hw_system_freq_init();
  72. __enable_interrupt();
  73. /* disable interrupt first */
  74. rt_hw_interrupt_disable();
  75. /* startup RT-Thread RTOS */
  76. rtthread_startup();
  77. return 0;
  78. }
  79. /*@}*/