#include <stdio.h>
#include <stdlib.h>
#include "ItalaApiC/ItalaC.h"
#define ACQUIRE_COUNT 5
ItalaError ErrorManager(ItalaError e) {
size_t sizeMessage = 255;
char* message = (char*)malloc(sizeof(char) * sizeMessage);
ERR_GetLastErrorMessage(message, &sizeMessage);
printf("\nITALA ERROR (%d):\t%s, %zu char", ERR_GetLastErrorCode(), message, sizeMessage);
free(message);
return e;
}
int main(int argc, char** argv) {
printf("***** Grab trigger example started. *****\n");
ItalaError error = ItalaErrorSuccess;
error = SYS_Initialize();
if (error) return ErrorManager(error);
size_t devicesInfoSize = 0;
error = SYS_EnumerateDevices(700);
if (error) return ErrorManager(error);
error = SYS_GetDeviceCount(&devicesInfoSize);
if (error) return ErrorManager(error);
if (devicesInfoSize == 0) {
printf("No devices found. Example canceled.\n");
return ItalaErrorError;
}
DeviceInfo deviceInfo;
error = SYS_GetDeviceByIndex(0, &deviceInfo);
if (deviceInfo.AccessStatus != AvailableReadWrite) {
printf("Target device is unaccessible in RW mode. Example canceled.\n");
return ItalaErrorError;
}
H_DEVICE hDevice = NULL;
error = SYS_CreateDevice(deviceInfo, &hDevice);
if (error) return ErrorManager(error);
printf("First device found is initialized.\n\n");
printf("Configuring trigger mode..\n");
H_NODEMAP hNodeMap = NULL;
error = DEV_GetNodeMap(hDevice, &hNodeMap);
if (error) return ErrorManager(error);
// Select the "action" that must be performed when the trigger is received.
H_NODE hNodeTriggerSelector = NULL;
error = NODEMAP_GetNode(hNodeMap, "TriggerSelector", &hNodeTriggerSelector);
if (error) return ErrorManager(error);
bool isWritable = false;
error = IsNodeWritable(hNodeTriggerSelector, &isWritable);
if (error) return ErrorManager(error);
if (!isWritable) {
printf("Unable to select the trigger type. Aborting.\n");
return ItalaErrorError;
}
error = NODE_FromString(hNodeTriggerSelector, "FrameBurstStart");
if (error) return ErrorManager(error);
// Set the source of the trigger. In this case, a software trigger (which is
// just a command) is used.
H_NODE hNodeTriggerSource = NULL;
error = NODEMAP_GetNode(hNodeMap, "TriggerSource", &hNodeTriggerSource);
if (error) return ErrorManager(error);
isWritable = false;
error = IsNodeWritable(hNodeTriggerSource, &isWritable);
if (error) return ErrorManager(error);
if (!isWritable) {
printf("Unable to configure the trigger. Aborting.\n");
return ItalaErrorError;
}
int64_t originalTriggerSource = 0;
error = NODE_EnumerationGetIntValue(hNodeTriggerSource, &originalTriggerSource);
if (error) return ErrorManager(error);
error = NODE_FromString(hNodeTriggerSource, "Software");
if (error) return ErrorManager(error);
// Finally, enable the trigger mode.
H_NODE hNodeTriggerMode = NULL;
error = NODEMAP_GetNode(hNodeMap, "TriggerMode", &hNodeTriggerMode);
if (error) return ErrorManager(error);
isWritable = false;
error = IsNodeWritable(hNodeTriggerMode, &isWritable);
if (error) return ErrorManager(error);
if (!isWritable) {
printf("Unable to configure the trigger. Aborting.\n");
return ItalaErrorError;
}
int64_t originalTriggerMode = 0;
error = NODE_EnumerationGetIntValue(hNodeTriggerMode, &originalTriggerMode);
if (error) return ErrorManager(error);
error = NODE_FromString(hNodeTriggerMode, "On");
if (error) return ErrorManager(error);
error = DEV_StartAcquisition(hDevice);
if (error) return ErrorManager(error);
printf("Acquisition started.\n\n");
H_IMAGE hImage = NULL;
bool isIncomplete = false;
H_NODE hNodeTriggerSoftware = NULL;
for (size_t i = 0; i < ACQUIRE_COUNT; i++) {
// Send the software trigger to acquire the image.
error = NODEMAP_GetNode(hNodeMap, "TriggerSoftware", &hNodeTriggerSoftware);
if (error) return ErrorManager(error);
isWritable = false;
error = IsNodeWritable(hNodeTriggerSoftware, &isWritable);
if (error) return ErrorManager(error);
if (!isWritable) {
printf("Unable to send software trigger command. Aborting.\n");
return ItalaErrorError;
}
error = NODE_CommandExecute(hNodeTriggerSoftware);
printf("\tSoftware trigger sent, image acquired.\n");
printf("\tPress Enter to grab the acquired image.\n");
getchar();
error = DEV_GetNextImage(hDevice, 1000, &hImage);
if (error) return ErrorManager(error);
error = IMG_IsIncomplete(hImage, &isIncomplete);
if (isIncomplete) {
// Report some info if the image is partially filled.
printf("\tImage %zu is incomplete.\n", i);
size_t filled = 0;
size_t payloadSize = 0;
uint64_t timestamp = 0;
error = IMG_GetBytesFilled(hImage, &filled);
if (error) return ErrorManager(error);
error = IMG_GetPayloadSize(hImage, &payloadSize);
if (error) return ErrorManager(error);
error = IMG_GetTimestamp(hImage, ×tamp);
if (error) return ErrorManager(error);
printf("\t\tBytes filled: %zu/%zu", filled, payloadSize);
printf("\t\tTimestamp: %jd", timestamp);
} else {
printf("Image %zu grabbed.\n", i);
}
// DO SOMETHING WITH THE IMAGE..
error = IMG_Dispose(hImage);
hImage = NULL;
if (error) ErrorManager(error);
printf("\n");
}
error = DEV_StopAcquisition(hDevice);
if (error) return ErrorManager(error);
// Restore the original values
error = NODE_EnumerationSetIntValue(hNodeTriggerSource, originalTriggerSource);
if (error) return ErrorManager(error);
error = NODE_EnumerationSetIntValue(hNodeTriggerMode, originalTriggerMode);
if (error) return ErrorManager(error);
error = DEV_Dispose(hDevice);
hDevice = NULL;
if (error) return ErrorManager(error);
printf("Device instance disposed.\n");
error = SYS_Dispose();
if (error) return ErrorManager(error);
printf("System instance disposed.\n");
return 0;
}