From 7f698431b7e9b43f1787206a6a298d299cf4dc4b Mon Sep 17 00:00:00 2001
From: Romain Tartiere <romain.tartiere@gmail.com>
Date: Tue, 24 Aug 2010 10:13:09 +0000
Subject: [PATCH] New internal API function: pn53x_target_send_dep_bytes().

---
 libnfc/chips/pn53x.c | 21 +++++++++++++++++++++
 libnfc/chips/pn53x.h |  1 +
 libnfc/nfc.c         | 20 ++------------------
 3 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/libnfc/chips/pn53x.c b/libnfc/chips/pn53x.c
index a303860..6fb9f8b 100644
--- a/libnfc/chips/pn53x.c
+++ b/libnfc/chips/pn53x.c
@@ -891,3 +891,24 @@ bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* ps
   // Everyting seems ok, return true
   return true;
 }
+
+bool pn53x_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen)
+{
+  byte_t abtCmd[sizeof(pncmd_target_set_data)];
+
+  pnd->iLastError = 0;
+
+  memcpy(abtCmd,pncmd_target_set_data,sizeof(pncmd_target_set_data));
+
+  // We can not just send bytes without parity if while the PN53X expects we handled them
+  if (!pnd->bPar) return false;
+
+  // Copy the data into the command frame
+  memcpy(abtCmd+2,pbtTx,szTxLen);
+
+  // Try to send the bits to the reader
+  if (!pn53x_transceive(pnd,abtCmd,szTxLen+2,NULL,NULL)) return false;
+
+  // Everyting seems ok, return true
+  return true;
+}
diff --git a/libnfc/chips/pn53x.h b/libnfc/chips/pn53x.h
index 22beeac..7382aea 100644
--- a/libnfc/chips/pn53x.h
+++ b/libnfc/chips/pn53x.h
@@ -102,6 +102,7 @@ bool pn53x_transceive_bits(nfc_device_t* pnd, const byte_t* pbtTx, const size_t
 bool pn53x_transceive_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen);
 
 bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* pszRxLen);
+bool pn53x_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen);
 
 const char *pn53x_strerror (const nfc_device_t *pnd);
 
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index 8d6a1af..90ccc32 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -69,7 +69,7 @@ nfc_device_desc_t * nfc_pick_device (void);
 // 
 // // Target
 // extern const byte_t pncmd_target_get_data            [  2];
-extern const byte_t pncmd_target_set_data            [264];
+// extern const byte_t pncmd_target_set_data            [264];
 extern const byte_t pncmd_target_init                [ 39];
 // extern const byte_t pncmd_target_virtual_card        [  4];
 extern const byte_t pncmd_target_receive             [  2];
@@ -740,23 +740,7 @@ bool nfc_target_send_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t
  */
 bool nfc_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen)
 {
-  byte_t abtCmd[sizeof(pncmd_target_set_data)];
-
-  pnd->iLastError = 0;
-
-  memcpy(abtCmd,pncmd_target_set_data,sizeof(pncmd_target_set_data));
-
-  // We can not just send bytes without parity if while the PN53X expects we handled them
-  if (!pnd->bPar) return false;
-
-  // Copy the data into the command frame
-  memcpy(abtCmd+2,pbtTx,szTxLen);
-
-  // Try to send the bits to the reader
-  if (!pn53x_transceive(pnd,abtCmd,szTxLen+2,NULL,NULL)) return false;
-
-  // Everyting seems ok, return true
-  return true;
+  return pn53x_target_send_dep_bytes(pnd, pbtTx, szTxLen);
 }
 
 /**