Constant esp_idf_hal::sys::ledc_clk_src_t_LEDC_SCLK

source ยท 
pub const ledc_clk_src_t_LEDC_SCLK: u32 = 4; // 4u32
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< Selecting this value for LEDC_TICK_SEL_TIMER let the hardware take its source clock from LEDC_APB_CLK_SEL