Created
May 24, 2012 18:06
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Simple HALCON (Linux) program for ICube to grab a JPEG image on SIGUSR1.
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#include <signal.h> | |
#include "HalconC.h" | |
#ifndef NO_EXPORT_MAIN | |
int quit; | |
Htuple AcqHandle; | |
void start() | |
{ | |
Htuple TTemp[100]; | |
int i, SP = 0; | |
create_tuple(&AcqHandle, 0); | |
create_tuple_s(&TTemp[SP++],"ICube"); | |
create_tuple_i(&TTemp[SP++],1280); | |
create_tuple_i(&TTemp[SP++],1024); | |
create_tuple_i(&TTemp[SP++],0); | |
create_tuple_i(&TTemp[SP++],0); | |
create_tuple_i(&TTemp[SP++],0); | |
create_tuple_i(&TTemp[SP++],0); | |
create_tuple_s(&TTemp[SP++],"default"); | |
create_tuple_i(&TTemp[SP++],-1); | |
create_tuple_s(&TTemp[SP++],"default"); | |
create_tuple_i(&TTemp[SP++],-1); | |
create_tuple_s(&TTemp[SP++],"false"); | |
create_tuple_s(&TTemp[SP++],"default"); | |
create_tuple_s(&TTemp[SP++],""); | |
create_tuple_i(&TTemp[SP++],0); | |
create_tuple_i(&TTemp[SP++],-1); | |
destroy_tuple(AcqHandle); | |
T_open_framegrabber(TTemp[SP-16], TTemp[SP-15], TTemp[SP-14], TTemp[SP-13], TTemp[SP-12], TTemp[SP-11], TTemp[SP-10], TTemp[SP-9], TTemp[SP-8], TTemp[SP-7], TTemp[SP-6], TTemp[SP-5], TTemp[SP-4], TTemp[SP-3], TTemp[SP-2], TTemp[SP-1], &AcqHandle); | |
while(SP) | |
destroy_tuple(TTemp[--SP]); | |
} | |
void handler(int signum) | |
{ | |
if(signum == SIGUSR1) | |
{ | |
Hobject Image; | |
gen_empty_obj(&Image); | |
clear_obj(Image); | |
T_grab_image(&Image, AcqHandle); | |
write_image(Image, "jpeg 85", 0, "image.jpg"); | |
clear_obj(Image); | |
} | |
else if(signum == SIGTERM) | |
{ | |
T_close_framegrabber(AcqHandle); | |
quit = 1; | |
} | |
} | |
#ifndef NO_EXPORT_APP_MAIN | |
int main(int argc, char * argv[]) | |
{ | |
struct sigaction new; | |
new.sa_handler = handler; | |
sigemptyset(&new.sa_mask); | |
new.sa_flags = 0; | |
sigaction (SIGUSR1, &new, NULL); | |
sigaction (SIGTERM, &new, NULL); | |
quit = 0; | |
start(); | |
while(!quit) | |
pause(); | |
return 0; | |
} | |
#endif | |
#endif |
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Assuming your HALCON install is the 32-bit version, and in
/opt/halcon
, this compiles with: