Add support for ymodem protocol (loady command).

Patch by Stefano Babic, 29 Mar 2006

2 files changed, 213 insertions, 0 deletions

diff --git a/include/crc.h b/include/crc.h
new file mode 100644
index 0000000..63399bf
--- /dev/null
+++ b/include/crc.h
@@ -0,0 +1,101 @@
+//==========================================================================
+//
+//      crc.h
+//
+//      Interface for the CRC algorithms.
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2002 Andrew Lunn
+//
+// eCos 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 2 or (at your option) any later version.
+//
+// eCos 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.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    Andrew Lunn
+// Contributors: Andrew Lunn
+// Date:         2002-08-06
+// Purpose:      
+// Description:  
+//              
+// This code is part of eCos (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _SERVICES_CRC_CRC_H_
+#define _SERVICES_CRC_CRC_H_
+
+#include <linux/types.h>
+
+#ifndef __externC
+# ifdef __cplusplus
+#  define __externC extern "C"
+# else
+#  define __externC extern
+# endif
+#endif
+
+// Compute a CRC, using the POSIX 1003 definition
+extern uint32_t 
+cyg_posix_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC
+
+extern uint32_t 
+cyg_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC, but accumulate the result from a
+// previous CRC calculation
+
+extern uint32_t 
+cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
+
+// Ethernet FCS Algorithm
+
+extern uint32_t 
+cyg_ether_crc32(unsigned char *s, int len);
+
+// Ethernet FCS algorithm, but accumulate the result from a previous
+// CRC calculation.
+
+extern uint32_t 
+cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
+
+// 16 bit CRC with polynomial x^16+x^12+x^5+1
+
+extern uint16_t cyg_crc16(unsigned char *s, int len);
+
+#endif // _SERVICES_CRC_CRC_H_
+
+
+
diff --git a/include/xyzModem.h b/include/xyzModem.h
new file mode 100644
index 0000000..a62a174
--- /dev/null
+++ b/include/xyzModem.h
@@ -0,0 +1,112 @@
+//==========================================================================
+//
+//      xyzModem.h
+//
+//      RedBoot stream handler for xyzModem protocol
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos 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 2 or (at your option) any later version.
+//
+// eCos 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.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-07-14
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _XYZMODEM_H_
+#define _XYZMODEM_H_
+
+#define xyzModem_xmodem 1
+#define xyzModem_ymodem 2
+// Don't define this until the protocol support is in place
+//#define xyzModem_zmodem 3
+
+#define xyzModem_access   -1
+#define xyzModem_noZmodem -2
+#define xyzModem_timeout  -3
+#define xyzModem_eof      -4
+#define xyzModem_cancel   -5
+#define xyzModem_frame    -6
+#define xyzModem_cksum    -7
+#define xyzModem_sequence -8
+
+#define xyzModem_close 1
+#define xyzModem_abort 2
+
+
+#ifdef REDBOOT
+extern getc_io_funcs_t xyzModem_io;
+#else
+#define CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT
+#define CYGACC_CALL_IF_SET_CONSOLE_COMM(x)
+
+#define diag_vprintf vprintf
+#define diag_printf printf
+#define diag_vsprintf vsprintf
+
+#define CYGACC_CALL_IF_DELAY_US(x) udelay(x)
+
+typedef struct {
+    char *filename;
+    int   mode;
+    int   chan;
+#ifdef CYGPKG_REDBOOT_NETWORKING
+    struct sockaddr_in *server;
+#endif
+} connection_info_t;
+
+typedef unsigned int bool;
+
+#define false 0
+#define true 1
+
+#endif
+
+
+int   xyzModem_stream_open(connection_info_t *info, int *err);    
+void  xyzModem_stream_close(int *err);    
+void  xyzModem_stream_terminate(bool method, int (*getc)(void));    
+int   xyzModem_stream_read(char *buf, int size, int *err);    
+char *xyzModem_error(int err);
+
+#endif // _XYZMODEM_H_