uint32_t sprdchg_adc_to_cur(uint32_t cur_type, uint16_t voltage)
{
uint32_t bat_numerators, bat_denominators;
sci_adc_get_vol_ratio(ADC_CHANNEL_VBAT, 0, &bat_numerators,
&bat_denominators);
return (((uint32_t) voltage * cur_type * bat_numerators) /
VOL_TO_CUR_PARAM) / bat_denominators;
}
static uint16_t sprdchg_adc_to_vol(uint16_t channel, int scale,
uint16_t adcvalue)
{
uint32_t result;
uint32_t vbat_vol = sprdchg_bat_adc_to_vol(adcvalue);
uint32_t m, n;
uint32_t bat_numerators, bat_denominators;
uint32_t numerators, denominators;
sci_adc_get_vol_ratio(ADC_CHANNEL_VBAT, 0, &bat_numerators,
&bat_denominators);
sci_adc_get_vol_ratio(channel, scale, &numerators, &denominators);
///v1 = vbat_vol*0.268 = vol_bat_m * r2 /(r1+r2)
n = bat_denominators * numerators;
m = vbat_vol * bat_numerators * (denominators);
result = (m + n / 2) / n;
return result;
}
uint32_t sprd_adc_to_cur(struct sprd_battery_data * data, uint16_t voltage)
{
uint16_t cur_type = data->cur_type;
uint32_t bat_numerators, bat_denominators;
sci_adc_get_vol_ratio(ADC_CHANNEL_VBAT, 0, &bat_numerators,
&bat_denominators);
return (((uint32_t) voltage * cur_type * bat_numerators) /
VOL_TO_CUR_PARAM) / bat_denominators;
}
uint16_t sprd_charger_adc_to_vol(struct sprd_battery_data * data,
uint16_t adcvalue)
{
uint32_t result;
uint32_t vbat_vol = sprd_bat_adc_to_vol(data, adcvalue);
uint32_t m, n;
uint32_t bat_numerators, bat_denominators;
uint32_t vchg_numerators, vchg_denominators;
sci_adc_get_vol_ratio(ADC_CHANNEL_VBAT, 0, &bat_numerators,
&bat_denominators);
sci_adc_get_vol_ratio(ADC_CHANNEL_VCHG, 0, &vchg_numerators,
&vchg_denominators);
///v1 = vbat_vol*0.268 = vol_bat_m * r2 /(r1+r2)
n = bat_denominators * vchg_numerators;
m = vbat_vol * bat_numerators * (vchg_denominators);
result = (m + n / 2) / n;
return result;
}
