Add support for native CCID driver, modularize OpenCT support (based on a patch from Werner Koch)

git-svn-id: https://svn.gnumonks.org/trunk/librfid@1597 e0336214-984f-0b4b-a45f-81c69e1f0ede

1 files changed, 40 insertions, 0 deletions

diff --git a/rfid_reader_cm5121_ccid_direct.c b/rfid_reader_cm5121_ccid_direct.c
new file mode 100644
index 0000000..a88bd0b
--- /dev/null
+++ b/rfid_reader_cm5121_ccid_direct.c
@@ -0,0 +1,40 @@
+/* CM5121 backend for 'internal' CCID driver */
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <rfid/rfid_asic.h>
+
+#include "ccid/ccid-driver.h"
+
+/* FIXME: remove ugly global variables */
+static ccid_driver_t h;
+
+/* this is the sole function required by rfid_reader_cm5121.c */
+int 
+PC_to_RDR_Escape(void *handle, 
+		 const unsigned char *tx_buf, unsigned int tx_len,
+		 unsigned char *rx_buf, unsigned int *rx_len)
+{
+	int rc;
+        ccid_driver_t ch = handle;
+        size_t maxrxlen = *rx_len;
+
+        rc = ccid_transceive_escape (ch, tx_buf, tx_len,
+                                     rx_buf, maxrxlen, rx_len);
+
+	return rc;
+}
+
+int cm5121_source_init(struct rfid_asic_transport_handle *rath)
+{
+	int rc;
+
+        rc = ccid_open_reader (&h, NULL);
+        if (rc) {
+                fprintf (stderr, "failed to open CCID reader: %#x\n", rc);
+                return -1;
+        }
+	rath->data = &h;
+	return 0;
+}