feat: input device subsystem to resolve race condition on polling input

[lunaix-os.git] / lunaix-os / kernel / demos / input_test.c

diff --git a/lunaix-os/kernel/demos/input_test.c b/lunaix-os/kernel/demos/input_test.c
new file mode 100644 (file)
index 0000000..ebb9375
--- /dev/null
+++ b/lunaix-os/kernel/demos/input_test.c
@@ -0,0 +1,32 @@
+#include <lunaix/fctrl.h>
+#include <lunaix/foptions.h>
+#include <lunaix/input.h>
+#include <lunaix/lunistd.h>
+
+#define STDIN 1
+#define STDOUT 0
+
+void
+input_test()
+{
+    int fd = open("/dev/input/i8042-kbd", 0);
+
+    if (fd < 0) {
+        write(STDOUT, "fail to open", 13);
+        return;
+    }
+
+    struct input_evt_pkt event;
+
+    while (read(fd, &event, sizeof(event)) > 0) {
+        if (event.pkt_type == PKT_PRESS) {
+            write(STDOUT, "PRESSED: ", 10);
+        } else {
+            write(STDOUT, "RELEASE: ", 10);
+        }
+        char c = event.sys_code & 0xff;
+        write(STDOUT, &c, 1);
+        write(STDOUT, "\n", 2);
+    }
+    return;
+}
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