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bsp
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thead-smart
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drivers
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sys_freq.h

sys_freq.h 738 B
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  1. /*
    2. 

  2.  * Copyright (C) 2017-2019 Alibaba Group Holding Limited
    3. 

  3.  *
    4. 

  4.  * SPDX-License-Identifier: Apache-2.0
    5. 

  5.  *
    6. 

  6.  * Change Logs:
    7. 

  7.  * Date           Author       Notes
    8. 

  8.  * 2020-08-20     zx.chen      header file for setting system frequency
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef _SYS_FREQ_H_
    12. 

  12. #define _SYS_FREQ_H_
    13. 

  13. 

  14. #include <stdint.h>
    15. 

  15. 

  16. #ifdef __cplusplus
    17. 

  17. extern "C" {
    18. 

  18. #endif
    19. 

  19. 

  20. int32_t drv_get_i2s_freq(int32_t idx);
    21. 

  21. int32_t drv_get_pwm_freq(int32_t idx);
    22. 

  22. int32_t drv_get_usart_freq(int32_t idx);
    23. 

  23. int32_t drv_get_usi_freq(int32_t idx);
    24. 

  24. int32_t drv_get_sys_freq(void);
    25. 

  25. int32_t drv_get_apb_freq(void);
    26. 

  26. int32_t drv_get_rtc_freq(int32_t idx);
    27. 

  27. int32_t drv_get_timer_freq(int32_t idx);
    28. 

  28. 

  29. int32_t drv_get_cpu_freq(int32_t idx);
    30. 

  30. 

  31. #ifdef __cplusplus
    32. 

  32. }
    33. 

  33. #endif
    34. 

  34. 

  35. #endif /* _SYS_FREQ_H_ */
    36. 

  36.