u32_t file_vir2sec(u32_t vsec)
/* Translate a virtual sector number to an absolute disk sector. */
{
off_t blk;
if(!block_size) { errno = 0; return -1; }
if ((blk= r_vir2abs(vsec / RATIO(block_size))) == -1) {
errno= EIO;
return -1;
}
return blk == 0 ? 0 : lowsec + blk * RATIO(block_size) + vsec % RATIO(block_size);
}
PRIVATE void print_ratio
(
char *what,
char *format,
double estimate,
double actual
)
{
if (estimate < 0 && actual < 0) /* double relop, but ignore Nan case */
{
return ;
}
PRINTF ((" %-27s", what)) ;
if (estimate >= 0) /* double relop, but ignore Nan case */
{
PRINTF ((format, estimate)) ;
}
else
{
PRINTF ((" -")) ;
}
if (actual >= 0) /* double relop, but ignore Nan case */
{
PRINTF ((format, actual)) ;
}
else
{
PRINTF ((" -")) ;
}
if (estimate >= 0 && actual >= 0) /* double relop, but ignore Nan case */
{
PRINTF ((" %5.0f%%\n", 100 * RATIO (actual, estimate, 1))) ;
}
else
{
PRINTF ((" -\n")) ;
}
}
static int sci_adc_ratio(int channel, int scale, int mux)
{
switch (channel) {
case ADC_CHANNEL_0:
case ADC_CHANNEL_1:
case ADC_CHANNEL_2:
case ADC_CHANNEL_3:
return (scale ? RATIO(400, 1025) : RATIO(1, 1));
case ADC_CHANNEL_VBAT: //vbat
case ADC_CHANNEL_ISENSE:
return RATIO(7, 29);
case ADC_CHANNEL_DCDCCORE: //dcdccore
case ADC_CHANNEL_DCDCARM: //dcdcarm
return (scale ? RATIO(4, 5) : RATIO(1, 1));
case ADC_CHANNEL_DCDCMEM: //dcdcmem
return (scale ? RATIO(3, 5) : RATIO(4, 5));
case ADC_CHANNEL_DCDCLDO: //dcdcgen
return RATIO(4, 9);
case 0x14 /* ADC_CHANNEL_HEADMIC */: //DCDCHEADMIC
return (scale ? RATIO(1, 3) : RATIO(1, 1));
case ADC_CHANNEL_LDO0: //DCDC Supply LDO, VDD18/CAMIO/CAMD/EMMCIO
return RATIO(1, 2);
case ADC_CHANNEL_VBATBK: //DCDCVBATBK
case ADC_CHANNEL_LDO1: //VBATD Domain LDO, VDD25/SD/USB/SIM0/SIM1/SIM2
case ADC_CHANNEL_LDO2: //VBATA Domain LDO, VDD28/CAMA/CAMMOT/EMMCCORE/CON/DCXO/RF0
case ADC_CHANNEL_USBDP: //DP from terminal
case ADC_CHANNEL_USBDM: //DM from terminal
return RATIO(1, 3);
default:
return RATIO(1, 1);
}
return RATIO(1, 1);
}
