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- /*
- * Copyright (C) 2017-2019 Alibaba Group Holding Limited
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2020-08-20 zx.chen header file for setting system frequency
- */
- #ifndef _SYS_FREQ_H_
- #define _SYS_FREQ_H_
- #include <stdint.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- int32_t drv_get_i2s_freq(int32_t idx);
- int32_t drv_get_pwm_freq(int32_t idx);
- int32_t drv_get_usart_freq(int32_t idx);
- int32_t drv_get_usi_freq(int32_t idx);
- int32_t drv_get_sys_freq(void);
- int32_t drv_get_apb_freq(void);
- int32_t drv_get_rtc_freq(int32_t idx);
- int32_t drv_get_timer_freq(int32_t idx);
- int32_t drv_get_cpu_freq(int32_t idx);
- #ifdef __cplusplus
- }
- #endif
- #endif /* _SYS_FREQ_H_ */
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