bindings: cxx: new example
Add a test case to C++ examples demonstrating the manipulation of
several lines held by a line_bulk object.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
diff --git a/bindings/cxx/examples/gpio_cxx_tests.cpp b/bindings/cxx/examples/gpio_cxx_tests.cpp
index b6de15c..c20a9c9 100644
--- a/bindings/cxx/examples/gpio_cxx_tests.cpp
+++ b/bindings/cxx/examples/gpio_cxx_tests.cpp
@@ -147,6 +147,42 @@
}
TEST_CASE(single_line_test);
+void multiple_lines_test(void)
+{
+ ::gpiod::chip chip("gpiochip0");
+
+ ::std::cout << "Getting multiple lines by offsets" << ::std::endl;
+
+ ::gpiod::line_bulk lines = chip.get_lines({ 0, 2, 3, 4, 6 });
+
+ ::std::cout << "Requesting them for output" << ::std::endl;
+
+ ::gpiod::line_request config;
+ config.consumer = "gpiod_cxx_tests";
+ config.request_type = ::gpiod::line_request::DIRECTION_OUTPUT;
+
+ lines.request(config, { 0, 0, 0, 0, 0 });
+
+ ::std::cout << "Setting values" << ::std::endl;
+
+ lines.set_values({ 0, 1, 1, 0, 1});
+
+ ::std::cout << "Requesting the lines for input" << ::std::endl;
+
+ config.request_type = ::gpiod::line_request::DIRECTION_INPUT;
+ lines.release();
+ lines.request(config);
+
+ ::std::cout << "Reading the values" << ::std::endl;
+
+ auto vals = lines.get_values();
+
+ for (auto& it: vals)
+ ::std::cout << it << " ";
+ ::std::cout << ::std::endl;
+}
+TEST_CASE(multiple_lines_test);
+
} /* namespace */
int main(int, char **)
