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main.c 1.2 KB

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  1. /*
  2. * Copyright (c) 2006-2021, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2022-05-16 shelton first version
  9. */
  10. #include <rtthread.h>
  11. #include <rtdevice.h>
  12. #include "drv_common.h"
  13. #include "drv_gpio.h"
  14. /* defined the led2 pin: pc2 */
  15. #define LED2_PIN GET_PIN(C, 2)
  16. /* defined the led3 pin: pc3 */
  17. #define LED3_PIN GET_PIN(C, 3)
  18. /* defined the led4 pin: pc5 */
  19. #define LED4_PIN GET_PIN(C, 5)
  20. int main(void)
  21. {
  22. rt_uint32_t speed = 200;
  23. /* set led2 pin mode to output */
  24. rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
  25. /* set led3 pin mode to output */
  26. rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT);
  27. /* set led4 pin mode to output */
  28. rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
  29. while (1)
  30. {
  31. rt_pin_write(LED2_PIN, PIN_LOW);
  32. rt_thread_mdelay(speed);
  33. rt_pin_write(LED3_PIN, PIN_LOW);
  34. rt_thread_mdelay(speed);
  35. rt_pin_write(LED4_PIN, PIN_LOW);
  36. rt_thread_mdelay(speed);
  37. rt_pin_write(LED2_PIN, PIN_HIGH);
  38. rt_thread_mdelay(speed);
  39. rt_pin_write(LED3_PIN, PIN_HIGH);
  40. rt_thread_mdelay(speed);
  41. rt_pin_write(LED4_PIN, PIN_HIGH);
  42. rt_thread_mdelay(speed);
  43. }
  44. }