/* * 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 #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_ */