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Fixed a few issues in chip test routine

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This commit is contained in:
ritt
2017-10-11 11:03:28 +02:00
parent 7902250530
commit a0019cc7da
1 changed files with 28 additions and 35 deletions
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software/src/DRS.cpp
+28 -35
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@@ -1998,11 +1998,11 @@ int DRSBoard::Init()
if (fNominalFrequency < 0.1 || fNominalFrequency > 6)
fNominalFrequency = 1;
if (fHasMultiBuffer) {
SetMultiBuffer(fMultiBuffer);
SetMultiBufferRP(fReadPointer);
}
SetStandbyMode(0);
SetDominoMode(fDominoMode);
SetReadoutMode(fReadoutMode);
EnableTrigger(fTriggerEnable1, fTriggerEnable2);
@@ -3034,14 +3034,14 @@ int DRSBoard::RAMTest(int flag)
int DRSBoard::ChipTest(int flag)
{
int i, j, tc, n_error, test_board;
int i, j, i_max, j_max, tc, n_error, test_board;
double freq, real_freq, max_freq, t;
float waveform[1024], wf0[9][1024], wf1[9][1024], wft[9][1024];
double lc[9][1024];
int cell_error[9][1024];
double sum = 0, lcmax = 0;
int n = 0, imax, jmax;
int histo[100];
double sum = 0, lcmax = 0, v_max;
int n = 0, imax, jmax;
int histo[100];
for (int retry = 0 ; retry < 5 ; retry++) {
Init();
@@ -3191,8 +3191,6 @@ int DRSBoard::ChipTest(int flag)
}
}
FILE *f = fopen("tmp.csv", "w");
/* measure leakage current in all cells */
if (GetFirmwareVersion() < 30000)
printf("Please upgrade firmware to measure leakage current\n");
@@ -3201,14 +3199,17 @@ int DRSBoard::ChipTest(int flag)
EnableAcal(1, 0.5);
Sleep(100);
double delta_t = 0.1;
for (t=0 ; t<150 ; t+=delta_t) {
double delta_t = 1;
for (t=0 ; t<500 ; t+=delta_t) {
delta_t *= 1.5;
SetReadoutDelay((float)t);
// average over 5 waveforms
printf(".");
if (flag)
printf("%5.1f ms - ", t);
else
printf(".");
fflush(stdout);
memset(wf1, 0, sizeof(wf1));
for (int r=0 ; r<5 ; r++) {
@@ -3230,16 +3231,17 @@ int DRSBoard::ChipTest(int flag)
if (t == 0)
memcpy(wf0, wf1, sizeof(wf0));
fprintf(f, "%g\t", t);
fprintf(f, "%lf\t", wf1[0][120]);
fprintf(f, "%lf\t", wf1[0][292]);
fprintf(f, "%lf\t", wf1[0][702]);
fprintf(f, "\r\n");
// check if more than 500 mV lost
v_max = -500;
i_max = j_max = -1;
if (test_board) {
for (i=0 ; i<9 ; i++)
for (j=0 ; j<1024 ; j++) {
if (wf1[i][j] > v_max) {
v_max = wf1[i][j];
i_max = i;
j_max = j;
}
if (wf1[i][j] < 0 && lc[i][j] == 0) {
lc[i][j] = 0.15 * (wf0[i][j]-wf1[i][j])/t; // lc = C * delta_u / delta_t in [pA]
}
@@ -3247,29 +3249,22 @@ int DRSBoard::ChipTest(int flag)
} else {
for (i=0 ; i<8 ; i+=2)
for (j=0 ; j<1024 ; j++)
if (wf1[i][j] > v_max) {
v_max = wf1[i][j];
i_max = i;
j_max = j;
}
if (wf1[i][j] < 0 && lc[i][j] == 0) {
lc[i][j] = 0.15 * (wf0[i][j]-wf1[i][j])/t; // lc = C * delta_u / delta_t in [pA]
}
}
if (flag)
printf(" %5.1lf mV [%d,%d]\n", v_max, i_max, j_max);
// check if all cells drained
if (test_board) {
for (i=0 ; i<9 ; i++)
for (j=0 ; j<1024 ; j++)
if (lc[i][j] == 0)
break;
if (i == 9 && j == 1024)
break;
} else {
for (i=0 ; i<8 ; i+=2)
for (j=0 ; j<1024 ; j++)
if (lc[i][j] == 0)
break;
if (i == 8 && j == 1024)
break;
}
if (v_max < 0)
break;
}
// calculate statistics over leakage current
@@ -3306,8 +3301,6 @@ int DRSBoard::ChipTest(int flag)
}
}
fclose(f);
/* count errors */
for (i=n_error=0 ; i<9 ; i++)
for (j=0 ; j<1024 ; j++)