armsrc/sam_picopass.c: extract common routines to sam_common.c

armsrc/sam_common.h

@@ -0,0 +1,49 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// See LICENSE.txt for the text of the license.
+//-----------------------------------------------------------------------------
+#ifndef __SAM_COMMON_H
+#define __SAM_COMMON_H
+
+#include "common.h"
+
+static const uint8_t SAM_TX_APDU_PREFIX_LENGTH = 5;
+static const uint8_t SAM_TX_ASN1_PREFIX_LENGTH = 6;
+static const uint8_t SAM_RX_ASN1_PREFIX_LENGTH = 5;
+
+int sam_rxtx(const uint8_t *data, uint16_t n, uint8_t *resp, uint16_t *resplen);
+
+void switch_clock_to_ticks(void);
+void switch_clock_to_countsspclk(void);
+
+int sam_send_payload(
+    uint8_t addr_src,
+    uint8_t addr_dest,
+    uint8_t addr_reply,
+
+    uint8_t *payload,
+    uint16_t *payload_len,
+
+    uint8_t *response,
+    uint16_t *response_len
+);
+
+int sam_get_version(void);
+
+uint8_t * sam_find_asn1_node(uint8_t * root, const uint8_t type);
+//void sam_append_asn1_node(uint8_t * root, uint8_t * node, uint8_t type, uint8_t * data, uint8_t len);
+
+void sam_send_ack(void);
+
+#endif