import from github

include/ereader_helpers.h

@@ -0,0 +1,62 @@
+#ifndef GUARD_EREADER_HELPERS_H
+#define GUARD_EREADER_HELPERS_H
+
+#include "trainer_hill.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  ((EREADER_XFER_EXE | EREADER_XFER_CHK) << EREADER_XFER_SHIFT)
+
+#define EREADER_CANCEL_TIMEOUT 1
+#define EREADER_CANCEL_KEY     2
+#define EREADER_CANCEL_SHIFT 2
+#define EREADER_CANCEL_TIMEOUT_MASK (EREADER_CANCEL_TIMEOUT << EREADER_CANCEL_SHIFT)
+#define EREADER_CANCEL_KEY_MASK     (EREADER_CANCEL_KEY << EREADER_CANCEL_SHIFT)
+#define EREADER_CANCEL_MASK         ((EREADER_CANCEL_TIMEOUT | EREADER_CANCEL_KEY) << EREADER_CANCEL_SHIFT)
+
+#define EREADER_CHECKSUM_OK  1
+#define EREADER_CHECKSUM_ERR 2
+#define EREADER_CHECKSUM_SHIFT 4
+#define EREADER_CHECKSUM_OK_MASK (EREADER_CHECKSUM_OK << EREADER_CHECKSUM_SHIFT)
+#define EREADER_CHECKSUM_MASK    ((EREADER_CHECKSUM_OK | EREADER_CHECKSUM_ERR) << EREADER_CHECKSUM_SHIFT)
+
+struct EReaderTrainerHillTrainer
+{
+    u8 trainerNum;
+    struct TrainerHillTrainer trainer;
+    struct TrHillDisplay display;
+    u32 checksum;
+}; // size=0x274
+
+struct EReaderTrainerHillSet
+{
+    u8 numTrainers;
+    u8 id;
+    u16 dummy; // Only read in an assert.
+    u32 checksum;
+    struct EReaderTrainerHillTrainer trainers[6];
+    u8 unk_ec0[40];
+}; // size = 0xf00
+
+bool8 ValidateTrainerHillData(struct EReaderTrainerHillSet *);
+bool32 TryWriteTrainerHill(struct EReaderTrainerHillSet *);
+bool32 ReadTrainerHillAndValidate(void);
+int EReaderHandleTransfer(u8, size_t, const void *, void *);
+void EReaderHelper_Timer3Callback(void);
+void EReaderHelper_SerialCallback(void);
+void EReaderHelper_SaveRegsState(void);
+void EReaderHelper_RestoreRegsState(void);
+void EReaderHelper_ClearSendRecvMgr(void);
+
+#endif // GUARD_EREADER_HELPERS_H