1 files changed, 43 insertions, 0 deletions
diff --git a/src/drv/ir/control.c b/src/drv/ir/control.c
new file mode 100644
index 0000000..6be2cf1
--- /dev/null
+++ b/src/drv/ir/control.c
@@ -0,0 +1,43 @@
+#include "drv/ir/control.h"
+
+#include "drv/ir/ir.h"
+#include "shared/map.h"
+
+typedef struct {
+  void* closure;
+  void (*fn)(uint32_t code, void* closure);
+} ir_code_listener_t;
+
+#define integer_cmp_(a, b) (a - b)
+MAP_DECL(uint32_t, ir_code_listener_t);
+MAP_IMPL(uint32_t, ir_code_listener_t, integer_cmp_, null_dtor);
+
+static map_t(uint32_t, ir_code_listener_t) * listeners;
+
+static void ir_callback(const ir_code_t* ir)
+{
+  uint32_t code;
+  if (ir_generic_decode(ir, &code)) {
+    ir_code_listener_t* l =
+        map_get(uint32_t, ir_code_listener_t)(listeners, code);
+
+    if (l) {
+      l->fn(code, l->closure);
+    }
+  }
+}
+
+void add_ir_code_callback_(
+    uint32_t code, void (*fn)(uint32_t, void*), void* closure)
+{
+  ir_code_listener_t l;
+  l.fn = fn;
+  l.closure = closure;
+  map_put(uint32_t, ir_code_listener_t)(listeners, code, l);
+}
+
+void enable_ir_control()
+{
+  listeners = map_new(uint32_t, ir_code_listener_t)();
+  add_ir_callback(ir_callback);
+}