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ctb server: fixed dacs, power regulators and vchip

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This commit is contained in:
maliakal_d
2019-02-15 17:08:49 +01:00
parent 4a8a72c447
commit c93f88b7e5
5 changed files with 74 additions and 33 deletions
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27
slsDetectorServers/slsDetectorServer/LTC2620.h
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@ -106,11 +106,12 @@ int LTC2620_DacToVoltage(int dacval, int* voltage) {
* @param dacaddr dac channel number in chip
*/
void LTC2620_SetSingle(int cmd, int data, int dacaddr) {
FILE_LOG(logDEBUG1, ("dac addr:%d, dac value:%d, cmd:%d\n", dacaddr, data, cmd));
FILE_LOG(logDEBUG1, ("(Single) dac addr:%d, dac value:%d, cmd:%d\n", dacaddr, data, cmd));
uint32_t codata = (((data << LTC2620_DAC_DATA_OFST) & LTC2620_DAC_DATA_MSK) |
((dacaddr << LTC2620_DAC_ADDR_OFST) & LTC2620_DAC_ADDR_MSK) |
cmd);
FILE_LOG(logDEBUG1, ("codata: 0x%x\n", codata));
serializeToSPI (LTC2620_Reg, codata, LTC2620_CsMask, LTC2620_NUMBITS,
LTC2620_ClkMask, LTC2620_DigMask, LTC2620_DigOffset);
@ -142,13 +143,14 @@ void LTC2620_SetDaisy(int cmd, int data, int dacaddr, int chipIndex) {
uint32_t valw = 0;
int ichip = 0;
FILE_LOG(logDEBUG1, ("desired chip index:%d, nchip:%d, dac ch:%d, val:%d, cmd:0x%x \n",
FILE_LOG(logDEBUG1, ("(Daisy) desired chip index:%d, nchip:%d, dac ch:%d, val:%d, cmd:0x%x \n",
chipIndex, nchip, dacaddr, data, cmd));
// data to be bit banged
uint32_t codata = (((data << LTC2620_DAC_DATA_OFST) & LTC2620_DAC_DATA_MSK) |
((dacaddr << LTC2620_DAC_ADDR_OFST) & LTC2620_DAC_ADDR_MSK) |
cmd);
FILE_LOG(logDEBUG1, ("codata: 0x%x\n", codata));
// select all chips (ctb daisy chain; others 1 chip)
FILE_LOG(logDEBUG1, ("Selecting LTC2620\n"));
@ -165,8 +167,8 @@ void LTC2620_SetDaisy(int cmd, int data, int dacaddr, int chipIndex) {
// send to one chip, nothing to others
else {
// send nothing to preceding ichips (daisy chain) (if any chips in front of desired chip)
for (ichip = 0; ichip < chipIndex; ++ichip) {
// send nothing to subsequent ichips (daisy chain) (if any chips after desired chip)
for (ichip = chipIndex + 1; ichip < nchip; ++ichip) {
FILE_LOG(logDEBUG1, ("Send nothing to ichip %d\n", ichip));
LTC2620_SendDaisyData(&valw, LTC2620_DAC_CMD_NO_OPRTN_VAL);
}
@ -175,9 +177,8 @@ void LTC2620_SetDaisy(int cmd, int data, int dacaddr, int chipIndex) {
FILE_LOG(logDEBUG1, ("Send data (0x%x) to ichip %d\n", codata, chipIndex));
LTC2620_SendDaisyData(&valw, codata);
// send nothing to subsequent ichips (daisy chain) (if any chips after desired chip)
int ichip = 0;
for (ichip = chipIndex + 1; ichip < nchip; ++ichip) {
// send nothing to preceding ichips (daisy chain) (if any chips in front of desired chip)
for (ichip = 0; ichip < chipIndex; ++ichip) {
FILE_LOG(logDEBUG1, ("Send nothing to ichip %d\n", ichip));
LTC2620_SendDaisyData(&valw, LTC2620_DAC_CMD_NO_OPRTN_VAL);
}
@ -264,7 +265,7 @@ void LTC2620_SetDAC (int dacnum, int data) {
* @returns OK or FAIL for success of operation
*/
int LTC2620_SetDACValue (int dacnum, int val, int mV, int* dacval) {
FILE_LOG(logDEBUG1, ("dacnum:%d, val:%d, mV:%d\n", dacnum, val, mV));
FILE_LOG(logDEBUG1, ("dacnum:%d, val:%d, ismV:%d\n", dacnum, val, mV));
// validate index
if (dacnum < 0 || dacnum >= LTC2620_Ndac) {
FILE_LOG(logERROR, ("Dac index %d is out of bounds (0 to %d)\n", dacnum, LTC2620_Ndac - 1));
@ -279,9 +280,15 @@ int LTC2620_SetDACValue (int dacnum, int val, int mV, int* dacval) {
*dacval = val;
int dacmV = val;
int ret = OK;
int ndacsonly = LTC2620_Ndac;
#ifdef CHIPTESTBOARDD
ndacsonly = NDAC_ONLY;
#endif
if (mV) {
ret = LTC2620_VoltageToDac(val, dacval);
} else if (val >= 0) { // do not convert power down dac val
} else if (val >= 0 && dacnum <= ndacsonly) {
// do not convert power down dac val
//(if not ndacsonly (pwr/vchip): dont need to print mV value as it will be wrong (wrong limits))
ret = LTC2620_DacToVoltage(val, &dacmV);
}
@ -293,7 +300,9 @@ int LTC2620_SetDACValue (int dacnum, int val, int mV, int* dacval) {
// set
if ( (*dacval >= 0) || (*dacval == LTC2620_PWR_DOWN_VAL)) {
#ifndef CHIPTESTBOARDD
FILE_LOG(logINFO, ("Setting DAC %d: %d dac (%d mV)\n",dacnum, *dacval, dacmV));
#endif
LTC2620_SetDAC(dacnum, *dacval);
}
return OK;