1 files changed, 36 insertions, 0 deletions
diff --git a/include/ereader_helpers.h b/include/ereader_helpers.h
new file mode 100644
index 000000000..dab97470a
--- /dev/null
+++ b/include/ereader_helpers.h
@@ -0,0 +1,36 @@
+#ifndef GUARD_EREADER_HELPERS_H
+#define GUARD_EREADER_HELPERS_H
+
+enum {
+    EREADER_XFR_STATE_INIT = 0,
+    EREADER_XFR_STATE_HANDSHAKE,
+    EREADER_XFR_STATE_START,
+    EREADER_XFR_STATE_TRANSFER,
+    EREADER_XFR_STATE_TRANSFER_DONE,
+    EREADER_XFR_STATE_CHECKSUM,
+    EREADER_XFR_STATE_DONE
+};
+
+#define EREADER_XFER_EXE 1
+#define EREADER_XFER_CHK 2
+#define EREADER_XFER_SHIFT 0
+#define EREADER_XFER_MASK  3
+
+#define EREADER_CANCEL_TIMEOUT 1
+#define EREADER_CANCEL_KEY     2
+#define EREADER_CANCEL_MASK  0xC
+#define EREADER_CANCEL_SHIFT 2
+
+#define EREADER_CHECKSUM_OK  1
+#define EREADER_CHECKSUM_ERR 2
+#define EREADER_CHECKSUM_MASK  0x30
+#define EREADER_CHECKSUM_SHIFT 4
+
+void EReaderHelper_SerialCallback(void);
+void EReaderHelper_Timer3Callback(void);
+void EReaderHelper_SaveRegsState(void);
+void EReaderHelper_ClearsSendRecvMgr(void);
+void EReaderHelper_RestoreRegsState(void);
+u16 EReaderHandleTransfer(u8 mode, size_t size, const void * src, void * dest);
+
+#endif //GUARD_EREADER_HELPERS_H