mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-26 00:00:02 +02:00
45 lines
1.4 KiB
C
Executable File
45 lines
1.4 KiB
C
Executable File
#pragma once
|
|
|
|
/**
|
|
* Convert voltage to dac units
|
|
* @param voltage value in mv
|
|
* @param dacval pointer to value converted to dac units
|
|
* @param vmin minimum voltage in mV
|
|
* @param vmax maximum voltage in mV
|
|
* @param maximum number of steps
|
|
* @returns FAIL when voltage outside limits, OK if conversion successful
|
|
*/
|
|
int Common_VoltageToDac(int voltage, int* dacval, int vmin, int vmax, int nsteps) {
|
|
|
|
// validate
|
|
if ((voltage < vmin) || (voltage > vmax)) {
|
|
FILE_LOG(logERROR, ("Voltage value (to convert to dac value) is outside bounds (%d to %d mV): %d\n", vmin, vmax, voltage));
|
|
return FAIL;
|
|
}
|
|
|
|
// convert
|
|
*dacval = (int)(((voltage - vmin) / (vmax - vmin)) * (nsteps - 1) + 0.5);
|
|
return OK;
|
|
}
|
|
/**
|
|
* Convert dac units to voltage
|
|
* @param dacval dac units
|
|
* @param voltage pointer to value converted to mV
|
|
* @param vmin minimum voltage in mV
|
|
* @param vmax maximum voltage in mV
|
|
* @param maximum number of steps
|
|
* @returns FAIL when voltage outside limits, OK if conversion successful
|
|
*/
|
|
int Common_DacToVoltage(int dacval, int* voltage, int vmin, int vmax, int nsteps) {
|
|
|
|
// validate
|
|
if ((dacval < 0) || (dacval >= nsteps)) {
|
|
FILE_LOG(logERROR, ("Dac units (to convert to voltage) is outside bounds (0 to %d): %d\n", nsteps - 1, dacval));
|
|
return FAIL;
|
|
}
|
|
|
|
// convert
|
|
*voltage = vmin + (vmax - vmin) * dacval / (nsteps - 1);
|
|
return OK;
|
|
}
|