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Code Issues Releases Wiki Activity

Streamline code and fix scope capture

Browse Source
master
Timothy Pearson 13 years ago
parent a0d24dbcfc
commit e7ef2071e5
4 changed files with 43 additions and 73 deletions
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50
lib/libtqtrla/src/tqtrla.cpp
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@ -326,30 +326,9 @@ TQDataStream &operator<<( TQDataStream &s, const TQFloatArray &data ) {
TQ_UINT32 i;
TQ_UINT32 count = data.count();
s << count;
TQIODevice* dev = s.device();
if (dev) {
// This uses the channel efficiently by writing all the data in one large block
TQBuffer ba;
ba.open(IO_ReadWrite);
TQDataStream ds(&ba);
ds.setPrintableData(s.isPrintableData());
for (i=0; i<count; i++) {
ds << data[i];
}
ba.close();
TQByteArray buffer = ba.buffer();
dev->writeBlock(buffer.data(), buffer.size());
}
else {
// This uses the channel inefficiently by writing the data in byte-sized chunks
for (i=0; i<count; i++) {
s << data[i];
}
for (i=0; i<count; i++) {
s << data[i];
}
return s;
}
@ -368,30 +347,9 @@ TQDataStream &operator<<( TQDataStream &s, const TQDoubleArray &data ) {
TQ_UINT32 i;
TQ_UINT32 count = data.count();
s << count;
TQIODevice* dev = s.device();
if (dev) {
// This uses the channel efficiently by writing all the data in one large block
TQBuffer ba;
ba.open(IO_ReadWrite);
TQDataStream ds(&ba);
ds.setPrintableData(s.isPrintableData());
for (i=0; i<count; i++) {
ds << data[i];
}
ba.close();
TQByteArray buffer = ba.buffer();
dev->writeBlock(buffer.data(), buffer.size());
}
else {
// This uses the channel inefficiently by writing the data in byte-sized chunks
for (i=0; i<count; i++) {
s << data[i];
}
for (i=0; i<count; i++) {
s << data[i];
}
return s;
}

3
servers/gpib_server_lin/src/gpib_conn.cpp
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@ -291,7 +291,7 @@ void GPIBSocket::commandLoop() {
TQ_INT32 traceLength;
traceLength = scope_get_channel_trace(value, m_serverParent->m_scopeType.ascii(), m_serverParent->m_scopeDeviceSocket);
if (traceLength > 0) {
int i;
long i;
TQDoubleArray traceData;
TQDoubleArray positionData;
traceData.resize(traceLength);
@ -300,6 +300,7 @@ void GPIBSocket::commandLoop() {
traceData[i] = scope_raw_trace_data[i];
positionData[i] = scope_raw_position_data[i];
}
printf("[RAJA DEBUG 680.0] traceData[10]: %E positionData[10]: %E\n\r", traceData[10], positionData[10]); fflush(stdout);
ds << TQString("ACK");
ds << traceData;
ds << positionData;

61
servers/gpib_server_lin/src/scope_functions.cpp
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@ -41,6 +41,8 @@ unsigned char scope_raw_screenshot_data[4194304];
double scope_raw_trace_data[65535];
double scope_raw_position_data[65535];
char scope_segarray[4194304];
unsigned long scopeScreenWidth (const char * scopeType) {
if (strcmp("HP54600OS", scopeType) == 0) {
return 512;
@ -79,7 +81,6 @@ unsigned long scopeScreenSize (const char * scopeType) {
int gpib_read_binblock(int ud, int max_num_bytes, const char * scopeType)
{
char segarray[4194304];
long array_pointer;
long ai;
@ -95,7 +96,7 @@ int gpib_read_binblock(int ud, int max_num_bytes, const char * scopeType)
ibtmo(ud, T30s);
ibeos(ud, 0x0);
ai = gpib_read_array(ud, max_num_bytes, segarray);
ai = gpib_read_array(ud, max_num_bytes, scope_segarray);
if (ai == -1) {
return 1;
}
@ -104,14 +105,14 @@ int gpib_read_binblock(int ud, int max_num_bytes, const char * scopeType)
ai = 0;
for (x=0;x<scopeScreenWidth(scopeType);x++) {
for (y=0;y<scopeScreenHeight(scopeType);y++) {
if ((x & 0x7) == 0) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x80) << 0;
if ((x & 0x7) == 1) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x40) << 1;
if ((x & 0x7) == 2) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x20) << 2;
if ((x & 0x7) == 3) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x10) << 3;
if ((x & 0x7) == 4) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x08) << 4;
if ((x & 0x7) == 5) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x04) << 5;
if ((x & 0x7) == 6) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x02) << 6;
if ((x & 0x7) == 7) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x01) << 7;
if ((x & 0x7) == 0) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x80) << 0;
if ((x & 0x7) == 1) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x40) << 1;
if ((x & 0x7) == 2) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x20) << 2;
if ((x & 0x7) == 3) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x10) << 3;
if ((x & 0x7) == 4) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x08) << 4;
if ((x & 0x7) == 5) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x04) << 5;
if ((x & 0x7) == 6) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x02) << 6;
if ((x & 0x7) == 7) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (scope_segarray[((x >> 3)+(y*(560/8)))+17] & 0x01) << 7;
if (scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] == 0x0) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = 255;
if (scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] == 0x80) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = 0;
}
@ -606,8 +607,7 @@ int scope_perform_initial_setup(const char * scopeType, int gpibDevice) {
#define ENABLE_PROFILING
int scope_get_channel_trace(int desired_channel, const char * scopeType, int gpibDevice) {
char segarray[4194304];
long scope_get_channel_trace(int desired_channel, const char * scopeType, int gpibDevice) {
long array_pointer;
long ai;
@ -657,7 +657,7 @@ printf("[PROFILE] %f s\n\r", ((tp3.tv_nsec+(tp3.tv_sec*1e9))-(tp2.tv_nsec+(tp2.t
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Trying to read %i bytes from GPIB device...\n", 65535);
#endif
ai = gpib_read_array(gpibDevice, 65535, segarray);
ai = gpib_read_array(gpibDevice, 65535, scope_segarray);
if (ai == -1) {
return -1;
}
@ -669,16 +669,16 @@ printf("[PROFILE] %f s\n\r", ((tp3.tv_nsec+(tp3.tv_sec*1e9))-(tp2.tv_nsec+(tp2.t
clock_gettime(CLOCK_REALTIME, &tp4);
printf("[PROFILE] %f s\n\r", ((tp4.tv_nsec+(tp4.tv_sec*1e9))-(tp3.tv_nsec+(tp3.tv_sec*1e9)))/1e9);
#endif
TQString preamble(segarray);
TQString preamble(scope_segarray);
TQStringList resultPairs = TQStringList::split(";", preamble, FALSE);
// Find/initialize critical data values
double ymult;
double yoffset;
double yposition;
const char* yunits;
double xincr;
double xposition;
const char* xunits;
double ymult = 0;
double yoffset = 0;
double yposition = 0;
char* yunits = NULL;
double xincr = 0;
double xposition = 0;
char* xunits = NULL;
if (resultPairs.count() > 15) {
ymult = resultPairs[13].toDouble();
@ -690,6 +690,14 @@ printf("[PROFILE] %f s\n\r", ((tp4.tv_nsec+(tp4.tv_sec*1e9))-(tp3.tv_nsec+(tp3.t
xunits = strdup(resultPairs[8]);
}
// If the units are desired, comment out these lines...
if (yunits) {
free(yunits);
}
if (xunits) {
free(xunits);
}
// Get the curve data now
sprintf(falpha,"CURVE?");
#ifdef ENABLE_EXTRA_DEBUGGING
@ -703,7 +711,7 @@ printf("[PROFILE] %f s\n\r", ((tp5.tv_nsec+(tp5.tv_sec*1e9))-(tp4.tv_nsec+(tp4.t
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Trying to read %i bytes from GPIB device...\n", 65535*2);
#endif
ai = gpib_read_array(gpibDevice, 65535*2, segarray);
ai = gpib_read_array(gpibDevice, 65535*2, scope_segarray);
if (ai == -1) {
return -1;
}
@ -718,10 +726,14 @@ printf("[PROFILE] %f s\n\r", ((tp6.tv_nsec+(tp6.tv_sec*1e9))-(tp5.tv_nsec+(tp5.t
// Interpret the results
long pointCount = ai/2;
double horizPos = 0.0;
char yheaderlen[2];
yheaderlen[0] = scope_segarray[1];
yheaderlen[1] = 0;
int data_offset = atoi(yheaderlen) + 2;
for (array_pointer=0; array_pointer<pointCount; array_pointer++) {
TQ_INT16 tempvalue;
tempvalue = segarray[(array_pointer*2)+1]; // LSB
tempvalue = tempvalue | (segarray[(array_pointer*2)+0] << 8); // MSB
tempvalue = scope_segarray[(array_pointer*2)+1+data_offset]; // LSB
tempvalue = tempvalue | (scope_segarray[(array_pointer*2)+0+data_offset] << 8); // MSB
scope_raw_trace_data[array_pointer] = tempvalue;
scope_raw_trace_data[array_pointer] = (scope_raw_trace_data[array_pointer] * ymult)-yoffset;
scope_raw_position_data[array_pointer] = horizPos;
@ -925,7 +937,6 @@ int scope_get_channel_seconds_div(double * retval, int desired_channel, const ch
else {
floatstring[ai]=0;
*retval = ((atof(floatstring)*xincr)/scope_get_number_of_vertical_divisions(scopeType, gpibDevice));
printf("[RAJA DEBUG 650.0] nr_p: %f, xincr: %E, vert_divs: %d, s/div: %f\n\r", atof(floatstring), xincr, scope_get_number_of_vertical_divisions(scopeType, gpibDevice), *retval); fflush(stdout);
}
#ifdef ENABLE_EXTRA_DEBUGGING

2
servers/gpib_server_lin/src/scope_functions.h
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@ -40,7 +40,7 @@ int scope_get_channel_state(int * retval, int desired_channel, const char * scop
int scope_set_trigger_channel(int desired_channel,const char * scopeType, int gpibDevice);
int scope_set_trigger_level(float desired_level,const char * scopeType, int gpibDevice);
int scope_set_channel_position(int desired_channel, float desired_level,const char * scopeType, int gpibDevice);
int scope_get_channel_trace(int desired_channel, const char * scopeType, int gpibDevice);
long scope_get_channel_trace(int desired_channel, const char * scopeType, int gpibDevice);
int scope_get_number_of_horizontal_divisions(const char * scopeType, int gpibDevice);
int scope_get_number_of_vertical_divisions(const char * scopeType, int gpibDevice);
int scope_get_number_of_channels(const char * scopeType, int gpibDevice);

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