/**
* Use only when write pointer has stopped...
*/
int acq_GetOldestDataV(rp_channel_t channel, uint32_t* size, float* buffer)
{
uint32_t pos;
ECHECK(acq_GetWritePointer(&pos));
pos++;
return acq_GetDataV(channel, pos, size, buffer);
}
/**
* Use only when write pointer has stopped...
*/
int acq_GetOldestDataRaw(rp_channel_t channel, uint32_t* size, int16_t* buffer)
{
uint32_t pos;
acq_GetWritePointer(&pos);
pos++;
return acq_GetDataRaw(channel, pos, size, buffer);
}
int acq_GetLatestDataV(rp_channel_t channel, uint32_t* size, float* buffer)
{
*size = MIN(*size, ADC_BUFFER_SIZE);
uint32_t pos;
ECHECK(acq_GetWritePointer(&pos));
pos = (pos - (*size)) % ADC_BUFFER_SIZE;
return acq_GetDataV(channel, pos, size, buffer);
}
int acq_GetLatestDataRaw(rp_channel_t channel, uint32_t* size, int16_t* buffer)
{
*size = MIN(*size, ADC_BUFFER_SIZE);
uint32_t pos;
ECHECK(acq_GetWritePointer(&pos));
pos++;
if ((*size) > pos) {
pos += ADC_BUFFER_SIZE;
}
pos -= (*size);
return acq_GetDataRaw(channel, pos, size, buffer);
}
