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This commit is contained in:
maliakal_d 2021-06-04 16:31:51 +02:00
parent 5e17c9c525
commit b5790983ce
2 changed files with 63 additions and 48 deletions
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108
slsDetectorServers/eigerDetectorServer/FebControl.c
View File

@ -998,76 +998,88 @@ int Feb_Control_StartAcquisition() {
int Feb_Control_StopAcquisition() { return Feb_Control_Reset(); }
int Feb_Control_GetExposureStatus(int *toggle, int *exposure) {
unsigned int value = 0;
if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(), FEB_REG_STATUS,
&value)) {
LOG(logERROR, ("Could not read FEB_REG_STATUS reg\n"));
return 0;
}
*toggle =
((value & FEB_REG_STATUS_EXP_TGL_MSK) >> FEB_REG_STATUS_EXP_TGL_OFST);
*exposure = ((value & FEB_REG_STATUS_EXP_MSK) >> FEB_REG_STATUS_EXP_OFST);
return 1;
}
int Feb_Control_SendSoftwareTrigger() {
// read old value in register
unsigned int orig_value = 0;
if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, &orig_value)) {
LOG(logERROR, ("Could not read DAQ_REG_CHIP_CMDS to send software "
"trigger\n"));
return 0;
}
unsigned int cmd = orig_value | DAQ_REG_CHIP_CMDS_INT_TRIGGER;
// set trigger bit
LOG(logDEBUG1, ("Setting Trigger, Register:0x%x\n", cmd));
if (!Feb_Interface_WriteRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, cmd, 0, 0)) {
LOG(logERROR, ("Could not give software trigger\n"));
return 0;
}
// unset trigger bit
LOG(logDEBUG1, ("Unsetting Trigger, Register:0x%x\n", orig_value));
if (!Feb_Interface_WriteRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, orig_value, 0, 0)) {
LOG(logERROR, ("Could not give software trigger\n"));
return 0;
}
LOG(logINFO, ("Software Internal Trigger Sent!\n"));
}
int Feb_Control_SoftwareTrigger(int block) {
if (Feb_Control_activated) {
// read exp toggle value
unsigned int value = 0;
if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(),
FEB_REG_STATUS, &value)) {
LOG(logERROR, ("Could not read FEB_REG_STATUS reg\n"));
return 0;
}
int prev_toggle = ((value & FEB_REG_STATUS_EXP_TGL_MSK) >>
FEB_REG_STATUS_EXP_TGL_OFST);
// send software trigger
unsigned int orig_value = 0;
if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, &orig_value)) {
LOG(logERROR, ("Could not read DAQ_REG_CHIP_CMDS to send software "
"trigger\n"));
return 0;
}
unsigned int cmd = orig_value | DAQ_REG_CHIP_CMDS_INT_TRIGGER;
int prev_toggle = 0, toggle = 0, prev_exposure = 0, exposure = 0;
// set trigger bit
LOG(logDEBUG1, ("Setting Trigger, Register:0x%x\n", cmd));
if (!Feb_Interface_WriteRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, cmd, 0, 0)) {
LOG(logERROR, ("Could not give software trigger\n"));
// remember previous toggle
if (!Feb_Control_GetExposureStatus(&prev_toggle, &exposure)) {
return 0;
}
// unset trigger bit
LOG(logDEBUG1, ("Unsetting Trigger, Register:0x%x\n", orig_value));
if (!Feb_Interface_WriteRegister(Feb_Control_AddressToAll(),
DAQ_REG_CHIP_CMDS, orig_value, 0, 0)) {
LOG(logERROR, ("Could not give software trigger\n"));
return 0;
}
LOG(logINFO, ("Software Internal Trigger Sent!\n"));
Feb_Control_SendSoftwareTrigger();
// wait for trigger for 20ms
usleep(20 * 1000);
if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(),
FEB_REG_STATUS, &value)) {
LOG(logERROR, ("Could not read FEB_REG_STATUS reg\n"));
usleep();
// get current toggle value
if (!Feb_Control_GetExposureToggle(&toggle, &exposure)) {
return 0;
}
int toggle = ((value & FEB_REG_STATUS_EXP_TGL_MSK) >>
FEB_REG_STATUS_EXP_TGL_OFST);
// no toggle, so no trigger
// no toggle error
if (toggle == prev_toggle) {
LOG(logERROR, ("Software trigger failed. No exposure toggle "
"detected in 20ms.\n"));
"detected.\n"));
return 0;
}
// read that it exposed
int exposure =
((value & FEB_REG_STATUS_EXP_MSK) >> FEB_REG_STATUS_EXP_OFST);
// no exposure
if (!exposure) {
LOG(logERROR,
("Software trigger failed. No exposure detected in 20ms.\n"));
LOG(logERROR, ("Software trigger failed. No exposure detected.\n"));
return 0;
}
prev_exposure = exposure;
// wait for toggle for exposure to be done
// wait for exposure to be done
if (block) {
while (toggle == prev_toggle) {
while (prev_exposure == exposure) {
usleep(5000);
toggle = ((value & FEB_REG_STATUS_EXP_TGL_MSK) >>
FEB_REG_STATUS_EXP_TGL_OFST);
if (!Feb_Control_GetExposureStatus(&prev_toggle, &exposure)) {
return 0;
}
}
}
}

3
slsDetectorServers/eigerDetectorServer/FebControl.h
View File

@ -55,6 +55,9 @@ int Feb_Control_PrepareForAcquisition();
void Feb_Control_PrintAcquisitionSetup();
int Feb_Control_StartAcquisition();
int Feb_Control_StopAcquisition();
int Feb_Control_GetExposureToggle(int *toggle, int *exposure);
int Feb_Control_GetExposureStatus(int *status);
int Feb_Control_SendSoftwareTrigger();
int Feb_Control_SoftwareTrigger(int block);
// parameters