2021-10-15 15:52:40 +02:00

55 lines
1.5 KiB
C

// SPDX-License-Identifier: LGPL-3.0-or-other
// Copyright (C) 2021 Contributors to the SLS Detector Package
#include "DAC6571.h"
#include "clogger.h"
#include "common.h"
#include "sls/sls_detector_defs.h"
#include "string.h"
/* DAC6571 HV DEFINES */
#define DAC6571_MIN_DAC_VAL (0x0)
#define DAC6571_MAX_DAC_VAL (0x3FF)
// defines from the hardware
int DAC6571_HardMaxVoltage = 0;
char DAC6571_DriverFileName[MAX_STR_LENGTH];
void DAC6571_SetDefines(int hardMaxV, char *driverfname) {
LOG(logINFOBLUE, ("Configuring High Voltage to %s (hard max: %dV)\n",
driverfname, hardMaxV));
DAC6571_HardMaxVoltage = hardMaxV;
memset(DAC6571_DriverFileName, 0, MAX_STR_LENGTH);
strcpy(DAC6571_DriverFileName, driverfname);
}
int DAC6571_Set(int val) {
LOG(logDEBUG1, ("Setting high voltage to %d\n", val));
if (val < 0)
return FAIL;
int dacvalue = 0;
// convert value
ConvertToDifferentRange(0, DAC6571_HardMaxVoltage, DAC6571_MIN_DAC_VAL,
DAC6571_MAX_DAC_VAL, val, &dacvalue);
LOG(logINFO, ("\t%dV (dacval %d)\n", val, dacvalue));
#ifndef VIRTUAL
// open file
FILE *fd = fopen(DAC6571_DriverFileName, "w");
if (fd == NULL) {
LOG(logERROR,
("Could not open file %s for writing to set high voltage\n",
DAC6571_DriverFileName));
return FAIL;
}
// convert to string, add 0 and write to file
fprintf(fd, "%d\n", dacvalue);
fclose(fd);
#endif
return OK;
}