42 #include <visp3/core/vpConfig.h>
43 #include <visp3/core/vpDebug.h>
45 #if defined VISP_HAVE_PARPORT
51 #include <visp3/io/vpParallelPort.h>
52 #include <visp3/io/vpParseArgv.h>
55 #define GETOPTARGS "d:h"
66 void usage(
const char *name,
const char *badparam,
unsigned char &data)
69 Send a data to the parallel port.\n\
72 %s [-d <data>] [-h]\n\
79 Data to send to the parallel port.\n\
80 Value should be in [0:255].\n\
87 fprintf(stderr,
"ERROR: \n");
88 fprintf(stderr,
"\nBad parameter [%s]\n", badparam);
103 bool getOptions(
int argc,
const char **argv,
unsigned char &data)
113 value = atoi(optarg);
114 if ((value < 0) || (value > 255)) {
115 usage(argv[0], optarg, data);
116 std::cerr <<
"ERROR: " << std::endl;
117 std::cerr <<
" Bad value \"-d " << optarg <<
"\"" << std::endl << std::endl;
121 data = (
unsigned char)value;
126 usage(argv[0],
nullptr, data);
131 usage(argv[0], optarg, data);
137 if ((c == 1) || (c == -1)) {
139 usage(argv[0],
nullptr, data);
140 std::cerr <<
"ERROR: " << std::endl;
141 std::cerr <<
" Bad argument " << optarg << std::endl << std::endl;
153 int main(
int argc,
const char **argv)
156 unsigned char data = 0;
159 if (getOptions(argc, argv, data) ==
false) {
166 printf(
"Send data \"%d\" to the parallel port\n", data);
173 printf(
"Can't open the parallel port\n");
176 printf(
"Can't close the parallel port\n");
181 std::cout <<
"An error occurs: " << e.
getMessage() << std::endl;
188 std::cout <<
"vpParallelPort class works only on unix..." << std::endl;
error that can be emitted by ViSP classes.
const char * getMessage() const
Error that can be emitted by the vpParallelPort class and its derivates.
Parallel port management under unix.
void sendData(unsigned char &data)
static bool parse(int *argcPtr, const char **argv, vpArgvInfo *argTable, int flags)