xref: /openbmc/gpioplus/example/pulse.cpp (revision 7ba248ad) 
1 #include <gpioplus/chip.hpp>
2 #include <gpioplus/handle.hpp>
3 
4 #include <exception>
5 #include <string>
6 
main(int argc,char * argv[])7 int main(int argc, char* argv[])
8 {
9     if (argc != 3)
10     {
11         fprintf(stderr, "pulse [chip id] [line offset]\n");
12         return 1;
13     }
14 
15     try
16     {
17         unsigned chip_id = std::stoi(argv[1]);
18         uint32_t line_offset = std::stoi(argv[2]);
19 
20         gpioplus::Chip chip(chip_id);
21         gpioplus::HandleFlags flags(chip.getLineInfo(line_offset).flags);
22         flags.output = true;
23         gpioplus::Handle handle(chip, {{line_offset, 0}}, flags,
24                                 "example/pulse");
25         handle.setValues({1});
26         handle.setValues({0});
27         return 0;
28     }
29     catch (const std::exception& e)
30     {
31         fprintf(stderr, "Error: %s\n", e.what());
32     }
33     return 1;
34 }
35