detectors/slsDetectorPackage
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updated max1932, modified ltc2620

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This commit is contained in:
maliakal_d
2019-01-09 17:41:10 +01:00
parent 81a49babda
commit b1570bde9c
14 changed files with 257 additions and 469 deletions
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52
slsDetectorServers/slsDetectorServer/MAX1932.h
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@ -7,14 +7,19 @@
#define MAX1932_HV_NUMBITS (8)
#define MAX1932_HV_DATA_OFST (0)
#define MAX1932_HV_DATA_MSK (0x000000FF << MAX1932_HV_DATA_OFST)
// on power up, dac = 0xff (1.25)
// higher voltage requires lower dac value, 0 is off
#define MAX1932_MIN_DAC_VAL (0xFF)
#define MAX1932_MAX_DAC_VAL (0x1)
#define MAX1932_POWER_OFF_DAC_VAL (0x0)
uint32_t MAX1932_Reg = 0x0;
uint32_t MAX1932_CsMask = 0x0;
uint32_t MAX1932_ClkMask = 0x0;
uint32_t MAX1932_DigMask = 0x0;
int MAX1932_DigOffset = 0x0;
int MAX1932_MinVoltage = 0;
int MAX1932_MaxVoltage = 0;
/**
* Set Defines
@ -23,15 +28,21 @@ int MAX1932_DigOffset = 0x0;
* @param clkmsk clock output mask
* @param dmsk digital output mask
* @param dofst digital output offset
* @param minMV minimum voltage determined by hardware
* @param maxMV maximum voltage determined by hardware
*/
void MAX1932_SetDefines(uint32_t reg, uint32_t cmsk, uint32_t clkmsk, uint32_t dmsk, int dofst) {
void MAX1932_SetDefines(uint32_t reg, uint32_t cmsk, uint32_t clkmsk, uint32_t dmsk, int dofst,
int minMV, int maxMV) {
MAX1932_Reg = reg;
MAX1932_CsMask = cmsk;
MAX1932_ClkMask = clkmsk;
MAX1932_DigMask = dmsk;
MAX1932_DigOffset = dofst;
MAX1932_MinVoltage = minMV;
MAX1932_MaxVoltage = maxMV;
}
/**
* Disable SPI
*/
@ -42,14 +53,6 @@ void MAX1932_Disable() {
& ~(MAX1932_DigMask));
}
/**
* Configure
*/
void MAX1932_Configure(){
FILE_LOG(logINFOBLUE, ("Configuring MAX1932\n"));
}
/**
* Set value
@ -57,8 +60,35 @@ void MAX1932_Configure(){
*/
void MAX1932_Set (int val) {
FILE_LOG(logDEBUG1, ("\tSetting high voltage to %d\n", val));
if (val < 0)
return FAIL;
uint32_t dacvalue = 0;
// limit values (normally < 60 => 0 (off))
if (val < MAX1932_MinVoltage) {
dacvalue = MAX1932_POWER_OFF_DAC_VAL;
val = 0;
}
// limit values (normally > 200 => 0x1 (max))
else if (val > MAX1932_MaxVoltage) {
dacvalue = MAX1932_MAX_DAC_VAL;
val = MAX1932_MaxVoltage;
}
// convert value
else {
// no failure in conversion as limits handled (range from 0x1 to 0xFF)
ConvertToDifferentRange(MAX1932_MinVoltage, MAX1932_MaxVoltage,
MAX1932_MIN_DAC_VAL, MAX1932_MAX_DAC_VAL,
val, &dacvalue);
dacvalue &= MAX1932_HV_DATA_MSK;
}
FILE_LOG(logINFO, ("\t%dV (dacval %d)\n", val, dacvalue));
serializeToSPI(MAX1932_Reg, dacvalue, MAX1932_CsMask, MAX1932_HV_NUMBITS,
MAX1932_ClkMask, MAX1932_DigMask, MAX1932_DigOffset);
}