Document ereader_helpers.c

1 files changed, 26 insertions, 1 deletions

diff --git a/include/ereader_helpers.h b/include/ereader_helpers.h
index 748db7190..dab97470a 100644
--- a/include/ereader_helpers.h
+++ b/include/ereader_helpers.h
@@ -1,11 +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, size_t, const void *, void *);
+u16 EReaderHandleTransfer(u8 mode, size_t size, const void * src, void * dest);
 
 #endif //GUARD_EREADER_HELPERS_H