1 files changed, 25 insertions, 0 deletions
diff --git a/include/nitro/PXI_fifo_shared.h b/include/nitro/PXI_fifo_shared.h
index 297625a1..a4ed454f 100644
--- a/include/nitro/PXI_fifo_shared.h
+++ b/include/nitro/PXI_fifo_shared.h
@@ -13,6 +13,8 @@
 #ifndef POKEDIAMOND_PXI_FIFO_SHARED_H
 #define POKEDIAMOND_PXI_FIFO_SHARED_H
 
+#include "nitro/types.h"
+
 typedef enum
 {
     PXI_PROC_ARM9 = 0,
@@ -40,4 +42,27 @@ typedef enum {
     PXI_MAX_FIFO_TAG = 32              // MAX FIFO TAG
 } PXIFifoTag;
 
+typedef enum
+{
+    PXI_FIFO_SUCCESS = 0,
+    PXI_FIFO_FAIL_SEND_ERR = -1,
+    PXI_FIFO_FAIL_SEND_FULL = -2,
+    PXI_FIFO_FAIL_RECV_ERR = -3,
+    PXI_FIFO_FAIL_RECV_EMPTY = -4,
+    PXI_FIFO_NO_CALLBACK_ENTRY = -5
+} PXIFifoStatus;
+
+typedef union
+{
+    struct
+    {
+        u32 tag:5;
+        u32 err:1;
+        u32 data:26;
+    } e;
+    u32 raw;
+} PXIFifoMessage;
+
+typedef void (*PXIFifoCallback) (PXIFifoTag tag, u32 data, BOOL err);
+
 #endif //POKEDIAMOND_PXI_FIFO_SHARED_H