detectors/slsDetectorPackage
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ctb adc: get in uV and print in client in mV to get decimals

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maliakal_d
2020-02-27 15:43:42 +01:00
parent 10ba16a9dc
commit 2e2e91b219
5 changed files with 21 additions and 13 deletions
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slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
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24
slsDetectorServers/slsDetectorServer/src/AD7689.c
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@ -68,6 +68,8 @@
#define AD7689_INT_REF_MAX_MV (2500) // chosen using reference buffer selection in config reg
#define AD7689_INT_REF_MIN_MV (0)
#define AD7689_INT_REF_MAX_UV (2500 * 1000)
#define AD7689_INT_REF_MIN_UV (0)
#define AD7689_INT_MAX_STEPS (0xFFFF + 1)
#define AD7689_TMP_C_FOR_1_MV (25.00 / 283.00)
@ -144,14 +146,14 @@ int AD7689_GetTemperature() {
}
int AD7689_GetChannel(int ichan) {
// filter channels val
if (ichan < 0 || ichan >= AD7689_NUM_CHANNELS) {
// filter channels val
if (ichan < 0 || ichan >= AD7689_NUM_CHANNELS) {
FILE_LOG(logERROR, ("Cannot get slow adc channel. "
"%d out of bounds (0 to %d)\n", ichan, AD7689_NUM_CHANNELS - 1));
return -1;
}
}
AD7689_Set(
AD7689_Set(
// read back
AD7689_CFG_RB_MSK |
// disable sequencer (different from config)
@ -167,15 +169,17 @@ int AD7689_GetChannel(int ichan) {
// overwrite configuration
AD7689_CFG_CFG_OVRWRTE_VAL);
int regval = AD7689_Get();
int regval = AD7689_Get();
// value in mV
int retval = 0;
ConvertToDifferentRange(0, AD7689_INT_MAX_STEPS,
// value in uV
int retval = ((double)(regval - 0) * (double)(AD7689_INT_REF_MAX_UV - AD7689_INT_REF_MIN_UV))
/ (double)(AD7689_INT_MAX_STEPS - 0) + AD7689_INT_REF_MIN_UV;
/*ConvertToDifferentRange(0, AD7689_INT_MAX_STEPS,
AD7689_INT_REF_MIN_MV, AD7689_INT_REF_MAX_MV,
regval, &retval);
FILE_LOG(logINFO, ("\tvoltage read for chan %d: %d mV\n", ichan, retval));
regval, &retval);*/
FILE_LOG(logINFO, ("\tvoltage read for chan %d: %d uV (regVal: %d)\n", ichan, retval, regval));
return retval;
}