CE process watching WIP

libkb/kb.c

@@ -13,3 +13,13 @@ int kb_read_key (void) {
   else
     return r;
 }
+
+int kb_read_key_nonblock (void) {
+  char ch = 0;
+  int r = device_do ("kb", KB_READ_KEY_NONBLOCK, &ch, NULL, NULL, NULL);
+
+  if (r == ST_OK)
+    return (int)ch;
+  else
+    return r;
+}

libkb/kb.h

@@ -5,9 +5,8 @@
 #include <kb_defs.h>
 #include <stdint.h>
 
-/* \brief Read key from keyboard
- * \return < 0 status on failure; ascii key on success
- */
 int kb_read_key (void);
 
+int kb_read_key_nonblock (void);
+
 #endif // _LIBKB_KB_H