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/bsp/wch/arm/ch579m/libraries/StdPeriphDriver/
A DCH57x_clk.c267 signed short diff_1, diff_2, diffc; in Calibration_LSI() local
315 diff_1 = i-basev; in Calibration_LSI()
317 if( diff_1 == 0 ){ in Calibration_LSI()
320 else if((diff_1*diff_2)<0){ // 处于两点之间 in Calibration_LSI()
325 else diff_1 = ~(diff_1-1); in Calibration_LSI()
327 if(diff_1>diff_2){ in Calibration_LSI()
335 else return(diff_1*1000/basev); in Calibration_LSI()
340 diff_2 = diff_1; in Calibration_LSI()
342 diffc = diff_1/CNT_STEP_K; in Calibration_LSI()
346 if( diff_1 > 0 ) loc = loc+1; // 当前频率偏小 in Calibration_LSI()

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