led_sample.c 3.2 KB

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  1. #include <rtthread.h>
  2. #include <rtdevice.h>
  3. #include "signal_led.h"
  4. /* defined the LED pin */
  5. #define LED0_PIN GET_PIN(B, 9)
  6. //定义信号灯对象句柄
  7. led_t *led0 = NULL;
  8. //定义内存操作函数接口
  9. led_mem_opreation_t led_mem_opreation;
  10. /* 设置信号灯一个周期内的闪烁模式
  11. * 格式为 “亮、灭、亮、灭、亮、灭 …………” 长度不限
  12. * 注意: 该配置单位为毫秒,且必须大于 “LED_TICK_TIME” 宏,且为整数倍(不为整数倍则向下取整处理)
  13. * 必须以英文逗号为间隔,且以英文逗号结尾,字符串内只允许有数字及逗号,不得有其他字符出现
  14. */
  15. char *led_blink_mode_0 = "500,500,"; //1Hz闪烁
  16. char *led_blink_mode_1 = "50,50,"; //10Hz闪烁
  17. char *led_blink_mode_2 = "0,100,"; //常灭
  18. char *led_blink_mode_3 = "100,0,"; //常亮
  19. char *led_blink_mode_4 = "100,100,100,1000,";//非固定时间
  20. char *led_blink_mode_5 = "500,100,";
  21. //定义开灯函数
  22. void led0_switch_on(void)
  23. {
  24. rt_pin_write(LED0_PIN, PIN_HIGH);
  25. }
  26. //定义关灯函数
  27. void led0_switch_off(void)
  28. {
  29. rt_pin_write(LED0_PIN, PIN_LOW);
  30. }
  31. //中途切换模式测试
  32. void led_switch (void *param)
  33. {
  34. rt_thread_mdelay(5000);
  35. led_set_mode(led0, LOOP_PERMANENT, led_blink_mode_1);
  36. rt_thread_mdelay(5000);
  37. led_set_mode(led0, LOOP_PERMANENT, led_blink_mode_2);
  38. rt_thread_mdelay(5000);
  39. led_set_mode(led0, LOOP_PERMANENT, led_blink_mode_5);
  40. rt_thread_mdelay(5000);
  41. led_set_mode(led0, LOOP_PERMANENT, led_blink_mode_4);
  42. }
  43. void blink_over_callback(led_t *led_handler)
  44. {
  45. led_set_mode(led_handler, LOOP_PERMANENT, led_blink_mode_4);
  46. led_start(led_handler);
  47. }
  48. static void led_run(void *parameter)
  49. {
  50. while(1)
  51. {
  52. led_ticks();
  53. rt_thread_mdelay(LED_TICK_TIME);
  54. }
  55. }
  56. int rt_led_timer_init(void)
  57. {
  58. rt_pin_mode(LED0_PIN,PIN_MODE_OUTPUT);
  59. /*自定义内存操作接口
  60. *注意:若要进行自定义内存操作,必须要在调用任何软件包内接口之前作设置,
  61. * 否则会出现不可意料的错误!!!
  62. */
  63. led_mem_opreation.malloc_fn = (void* (*)(size_t))rt_malloc;
  64. led_mem_opreation.free_fn = rt_free;
  65. led_set_mem_operation(&led_mem_opreation);
  66. //初始化信号灯对象
  67. led0 = led_create(led0_switch_on, led0_switch_off);
  68. //设置信号灯工作模式,循环十次
  69. led_set_mode(led0, LOOP_PERMANENT, led_blink_mode_0);
  70. //设置信号灯闪烁结束回调函数
  71. led_set_blink_over_callback(led0,blink_over_callback);
  72. //开启信号灯
  73. led_start(led0);
  74. rt_thread_t tid = RT_NULL;
  75. tid = rt_thread_create("signal_led",
  76. led_run,
  77. RT_NULL,
  78. 512,
  79. RT_THREAD_PRIORITY_MAX/2,
  80. 100);
  81. if (tid != RT_NULL)
  82. rt_thread_startup(tid);
  83. /* 创建线程1 */
  84. tid = rt_thread_create("led_switch_test",
  85. led_switch,
  86. RT_NULL,
  87. 512,
  88. RT_THREAD_PRIORITY_MAX/2,
  89. 100);
  90. if (tid != RT_NULL)
  91. rt_thread_startup(tid);
  92. return RT_EOK;
  93. }
  94. INIT_APP_EXPORT(rt_led_timer_init);