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maliakal_d
2018-12-12 11:20:39 +01:00
parent 79693a38f5
commit 1c59c5c4f4
4 changed files with 110 additions and 0 deletions
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44
slsDetectorServers/slsDetectorServer/common.h Executable file
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#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;
}