🐞 fix:QAC问题：45351 Suspicious: Division by zero

Firmware/Source/Device/Cmsemicon/BAT32A239/Library/Driver/src/adc.c

@@ -122,35 +122,41 @@ uint16_t ADC_Converse_Scan(ADC_Channel_t ch, uint32_t times, uint16_t *buf)
 	volatile uint8_t  flag;
 	uint32_t total = 0;
 
-	assert_param(IS_SCAN_START_CHAN(ch));
+	if(times == 0)
+	{
+		return 0;
+	}
+	else{
+		assert_param(IS_SCAN_START_CHAN(ch));
 	
-	INTC_DisableIRQ(ADC_IRQn);     // disable INTAD interrupt 
+		INTC_DisableIRQ(ADC_IRQn);     // disable INTAD interrupt 
 
-	ADC->ADM0 &= ~ADC_Enable;
+		ADC->ADM0 &= ~ADC_Enable;
 
-	ADC->ADM1 |= 0x08; //enable one-shot convertion
-	ADC->ADM1 |= 0x80; //set sacn mode
+		ADC->ADM1 |= 0x08; //enable one-shot convertion
+		ADC->ADM1 |= 0x80; //set sacn mode
 
-	ADC->ADTRG = ADC_ExternalTrig_Software;
-	ADC->ADM0 |= ADC_Enable;
+		ADC->ADTRG = ADC_ExternalTrig_Software;
+		ADC->ADM0 |= ADC_Enable;
 
-	ADC->ADS  = ch;
+		ADC->ADS  = ch;
 
-	for(i=0; i<times;i++)
-	{
-		ADC->ADM0 |= ADC_Start_Cmp; //adc start
-		for (j=0; j<4; j++)
+		for(i=0; i<times;i++)
 		{
-			while(INTC_GetPendingIRQ(ADC_IRQn) == 0);
-			INTC_ClearPendingIRQ(ADC_IRQn); 	// clear INTAD interrupt flag 
+			ADC->ADM0 |= ADC_Start_Cmp; //adc start
+			for (j=0; j<4; j++)
+			{
+				while(INTC_GetPendingIRQ(ADC_IRQn) == 0);
+				INTC_ClearPendingIRQ(ADC_IRQn); 	// clear INTAD interrupt flag 
 
-			*buf++ = ADC->ADCR;
-			total += ADC->ADCR;
+				*buf++ = ADC->ADCR;
+				total += ADC->ADCR;
 
 
+			}
+		}
+		return (uint16_t)(total / times); // return average value
 		}
-	}
-	return (total / times); // return average value
 }
 
 /**
@@ -192,7 +198,7 @@ uint16_t ADC_Converse(ADC_Channel_t ch, uint32_t times, uint16_t *buf)
 			*buf++ = ADC->ADCR;
 			total += ADC->ADCR;
 		}
-		return (total / times); // return average value
+		return (uint16_t)(total / times); // return average value
 	}
 }