读取nrf52832的ADC，并且获取N个数组中的中间值

//****读取中间值****//
short GetMedianNum(short * bArray, short iFilterLen)  
{  
    short i,j,bTemp;// 排序循环
    for (j = 0; j < iFilterLen - 1; j ++)  
    {  
        for (i = 0; i < iFilterLen - j - 1; i ++)  
        {  
            if (bArray[i] > bArray[i + 1])  
            {  
                // »¥»»  
                bTemp = bArray[i];  
                bArray[i] = bArray[i + 1];  
                bArray[i + 1] = bTemp;  
            }  
        }  
    } 
    if ((iFilterLen & 1) > 0)  
    {  
        // 奇数计算中值
        bTemp = bArray[(iFilterLen + 1) / 2];  
    }  
    else  
    {  
        // 偶数个计算中值
        bTemp = (bArray[iFilterLen / 2] + bArray[(iFilterLen / 2) - 1]) / 2;  
    }  
    return bTemp;  
}

void get_ADC_CH(void)
{
    nrfx_err_t err_code;
    static uint8_t ADC_CNT = 0;
    static short ADC_ch_data[AdcUseCHs][ADC_FILTER_CNT];
    uint8_t tempi,tempj;

    err_code = fu_peripheral_saadc_sample_convert(0, (nrf_saadc_value_t*)&userADC_var.buff[0][ADC_CNT]);
    APP_ERROR_CHECK(err_code);
    err_code = fu_peripheral_saadc_sample_convert(1, (nrf_saadc_value_t*)&userADC_var.buff[1][ADC_CNT]);
    APP_ERROR_CHECK(err_code);
    err_code = fu_peripheral_saadc_sample_convert(2, (nrf_saadc_value_t*)&userADC_var.buff[2][ADC_CNT]);
    APP_ERROR_CHECK(err_code);
    err_code = fu_peripheral_saadc_sample_convert(3, (nrf_saadc_value_t*)&userADC_var.buff[3][ADC_CNT]);
    APP_ERROR_CHECK(err_code);
    err_code = fu_peripheral_saadc_sample_convert(4, (nrf_saadc_value_t*)&userADC_var.buff[4][ADC_CNT]);
    APP_ERROR_CHECK(err_code);
    ADC_CNT++;
    if(ADC_CNT>=ADC_FILTER_CNT)
    {
        ADC_CNT = 0;
    }
            
    for(tempi= 0;tempi<AdcUseCHs;tempi++)
    {
        for(tempj= 0;tempj<ADC_FILTER_CNT;tempj++)
        {
            ADC_ch_data[tempi][tempj] = userADC_var.buff[tempi][tempj];
        }
    }
    for(tempi= 0;tempi<AdcUseCHs;tempi++)
    {
        userADC_var.ADCMeasureVals[tempi] = (uint16_t)GetMedianNum(ADC_ch_data[tempi],ADC_FILTER_CNT);
    }