Yoctopuce Yocto-MaxiDisplay Mode D'emploi page 59

#include "yocto_api.h"
#include "yocto_display.h"
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
static void usage(void)
{
cout << "Wrong command line arguments"
cout << "usage: demo <serial_number>"
cout << "
cout << "
u64 now = YAPI::GetTickCount();
while (YAPI::GetTickCount() -
// wait 3 sec to show the message
}
exit(1);
}
int main(int argc,
{
string errmsg;
string target;
YDisplay *disp;
YDisplayLayer *l0,
int w, h, x, y, vx,
if(argc < 2) {
usage();
}
// Setup the API to use local USB devices
if (YAPI::RegisterHub("usb",
cerr << "RegisterHub error: "
usage();
return 1;
}
target = (string) argv[1];
if (target == "any") {
disp = YDisplay::FirstDisplay();
if (disp == NULL) {
cout << "No module connected (check USB cable)"
usage();
return 1;
}
} else {
disp = YDisplay::FindDisplay(target
}
if (!disp->isOnline()) {
cout << "Module is offline (check USB cable)"
usage();
return 1;
}
disp->resetAll();
// retreive the display size
w = disp->get_displayWidth();
h = disp->get_displayHeight();
// reteive the first layer
l0 = disp->get_displayLayer(0);
l0->clear();
// display a text in the middle of the screen
l0->drawText(w /
// visualize each corner
l0->moveTo(0, 5);
l0->lineTo(0, 0);
l0->lineTo(5, 0);
l0->moveTo(0, h
l0->lineTo(0, h
l0->lineTo(5, h
l0->moveTo(w - 1, h
l0->lineTo(w - 1, h
www.yoctopuce.com
demo <logical_name>"
demo any (use any discovered device)"
now < 3000) {
const char * argv[])
*l1;
vy;
errmsg) != YAPI::SUCCESS) {
<< errmsg
2, h / 2, YDisplayLayer::ALIGN_CENTER,
- 6);
- 1);
- 1);
- 6);
- 1);
<< endl;
<< endl;
<< endl;
<< endl;
<< endl;
<< endl;
+ ".display");
<< endl;
"Hello world!"
10. Utilisation du Yocto-MaxiDisplay en C++
);
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