hostif_high.c

本程序为ST公司开发的源代码

/**************************************************
 *
 * hostif_high.c
 *
 * CVS ID:   $Id: hostif_high.c,v 1.143 2007/11/15 13:21:29 belardi Exp $
 * Author:   Raffaele Belardi [RB] - STM
 * Date:     $Date: 2007/11/15 13:21:29 $
 * Revision: $Revision: 1.143 $
 * 
 * Description:
 * 
 * Implement the Link Layer and Transport Layer of the
 * Communication protocol
 * Does not include the lower level I2C driver.
 * 
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ***************************************************
 *
 * STM CVS Log:
 *
 * $Log: hostif_high.c,v $
 * Revision 1.143  2007/11/15 13:21:29  belardi
 * New request/message ReqCurrentPlaylistAbsContent
 *
 * Revision 1.142  2007/11/08 17:37:05  sedmik
 * based on setting IPOD_PASSTHROUGH and IPOD_AP different cmd/status channles are used
 *
 * Revision 1.141  2007/11/06 10:35:36  belardi
 * Add ID3 version information in MSB of LanguageId of MsgTextInfo
 *
 * Revision 1.140  2007/10/22 12:26:43  belardi
 * Check CmdWriteCfgTable parameters for sanity
 * Cap CmdRead/WriteTable length to fit in single I2C frame
 *
 * Revision 1.139  2007/10/19 12:25:39  belardi
 * - Fix to send NAStateError in response to ReqDirectoryInfo if device not prepared
 * - Fix to not send ID3 tags from previous song when current one is not available yet
 *
 * Revision 1.138  2007/10/12 13:15:18  marcucci
 * Add protection against interrupt modification of hostif_inevent  variable.
 * This variable should be always modified in a Task by means of the set_hostif_inevent()
 * and the reset_hostif_inevent() procedures
 *
 * Revision 1.137  2007/09/27 13:52:44  sedmik
 * fixed precondition of req_time_info
 *
 * Revision 1.136  2007/09/21 11:48:09  belardi
 * Fix problem with playlist index range in CmdChangeDir
 *
 * Revision 1.135  2007/09/17 14:02:07  sedmik
 * fixed REQ_CURRENT_PLAYLIST_CONTENT - report only in case of playlist enabled
 *
 * Revision 1.134  2007/09/07 15:19:21  belardi
 * changed specification of MsgDiscId
 *
 * Revision 1.133  2007/08/31 09:56:38  sedmik
 * fixed report_msg_device_file_type - pass through all nodes (including last one)
 *
 * Revision 1.132  2007/08/21 09:41:42  belardi
 * Removed redundant legth check in FormatTextMsg
 * Changed MsgDirContent to variable size
 * Removed useless code (comments)
 *
 * Revision 1.131  2007/08/20 12:15:10  belardi
 * Added check on legal directory number in ReqDirContent
 *
 * Revision 1.130  2007/08/14 15:27:31  dellorto
 * multiple mechanisms
 *
 * Revision 1.129  2007/08/10 12:33:28  longauer
 * IPOD_AP compilation switch enables future iAP
 *
 * Revision 1.128  2007/08/09 09:00:16  marcucci
 * REQ_MISSING_ITEMS and REQ_MECHANICAL_MEASUREMETS
 * commands added
 *
 * Revision 1.127  2007/08/02 14:41:44  sedmik
 * special files adressing feature(for host update) - added param in ReqEntryName
 *
 * Revision 1.126  2007/08/02 13:35:50  sedmik
 * added commands ReqDirContent, ReqUSBdeviceInfo processing + new messages implementations
 *
 * Revision 1.125  2007/08/01 13:00:09  trubac
 * report_msg_rom_media_content() - additional check for files within directory
 *
 * Revision 1.124  2007/08/01 10:29:20  trubac
 * Optimization for speed in report_msg_rom_media_content()
 *
 * Revision 1.123  2007/07/31 11:59:17  belardi
 * Removed compiler warning
 *
 * Revision 1.122  2007/07/25 15:14:51  belardi
 * Added the channels field for WMA in CAFileInfo
 *
 * Revision 1.121  2007/07/25 13:51:36  trubac
 * Start TOC command used for trigering new mount of USB and SDC,
 * CD volume deleted when not active device, but only if AutoMode&0x80
 *
 * Revision 1.120  2007/07/24 14:19:33  belardi
 * ReqCAFileInfo returns 'm4a' for files of type AAC instead of 'aac'
 *
 * Revision 1.119  2007/07/24 09:25:26  belardi
 * Added check in CmdPowerOff to verify from configuration object if the Flash is present before storing the LastPositionMemory
 *
 * Revision 1.118  2007/07/18 13:12:17  sedmik
 * fix for long entry name with extension off, USB serial nr. retval
 *
 * Revision 1.117  2007/07/16 10:00:58  trubac
 * USB HIGH-Z control roughly tested
 *
 * Revision 1.116  2007/07/10 14:02:45  longauer
 * usb events renaming
 *
 * Revision 1.115  2007/07/09 16:47:54  sedmik
 * added report_msg_CA_file_info
 *
 * Revision 1.114  2007/07/05 07:58:41  belardi
 * Modifications to support ID3 selection
 *
 * Revision 1.113  2007/07/04 10:05:13  belardi
 * First implementation of new interface to retrieve USB serial number
 * Not completely debugged due to possible problem in USB driver
 *
 * Revision 1.112  2007/07/03 14:55:28  belardi
 * New type value in ReqEntryName to get filename with index relative to playlist
 *
 * Revision 1.111  2007/06/29 13:17:32  belardi
 * Added support for Track Number in ID3 v1.1 and v2.x
 *
 * Revision 1.110  2007/06/29 09:50:25  marcucci
 * Added the frame for REQ_USB_HIGH_Z  commnad to put in High Impedance the D+/D-Lines
 *
 * Revision 1.109  2007/06/28 20:53:51  longauer
 * 1.Usb restructuralization in order to supports more LUNs and interface preparation
 *  for iAP; 2.PHY emulation moved; 3.compilation works with IPOD_PASSTHROUGH==0; 4.
 *  usb patching init moved from main.c
 *
 * Revision 1.108  2007/06/04 16:58:45  longauer
 * USBtask rearrangement in order to support more logical units; new file usb_pri.h added with USBtask private declarations; USB compilation switches added; constants renaming;
 *
 * Revision 1.107  2007/05/02 12:52:49  belardi
 * Fixex wrong MsgLoaderMode parameters for ROMMediaContent [JS]
 *
 * Revision 1.106  2007/04/18 10:26:40  belardi
 * More robust processing of the MsgTextInfo to avoid not sending message in case of empty string
 *
 * Revision 1.105  2007/04/11 14:19:30  belardi
 * Integration of HAVE_CD_MECHA modification by [GP]
 *
 * Revision 1.104  2007/03/16 16:14:42  belardi
 * Changed filename extension for AAC/M4A to .m4a (more common)
 *
 * Revision 1.103  2007/03/13 14:12:26  sedmik
 * fixed MsgInsertMode (IPOD ready break missing); added condition for playback commands (CDDA param check on USB/SDC)
 *
 * Revision 1.102  2007/03/09 13:17:08  belardi
 * Fix in MsgTimeInfo (wrong value for PAR10)
 *
 * Revision 1.101  2007/03/05 15:11:51  belardi
 * Addition to CIS:
 * - new parameter in MsgPlayerMode indicating current source
 * - new values for PAR11 of MsgTimeInfo to indicate the type of file (CDDA, MP3, WMA, AAC)
 * - new command/message ReqLongEntryName to transmit the filename in multi-packet format
 *
 * Revision 1.100  2007/02/26 19:06:17  belardi
 * Added filename extension in MsgEntryName (run-time configurable)
 *
 * Revision 1.99  2007/02/23 11:38:47  sedmik
 * changes in msg_insert_mode, process_cmd_search_bw fixed param = 3 (FB from EOF)
 *
 * Revision 1.98  2007/02/21 20:18:13  longauer
 * usb states and error reorganization;  usb state is propagated to player task = usb
 *  state messaging
 *
 * Revision 1.97  2007/02/19 13:50:33  belardi
 * Fixed bug:
 * -wrong song number in MsgTextInfo
 *
 * Revision 1.96  2007/02/16 15:34:40  sedmik
 * fix for ipod upstream messaging (was sending error message after msg transmitted)
 *
 * Revision 1.95  2007/02/15 16:07:46  sedmik
 * Binary transfer - support of resume info via I2C
 *
 * Revision 1.94  2007/02/13 11:03:18  sedmik
 * Binary transmission rearrangement
 *
 * Revision 1.93  2007/02/09 12:06:41  belardi
 * First integration of iPod pass-through:
 * - downstream passthrough ok, upstream not optimizing use of the hostif buffer
 * - broken host update protocol
 *
 * Revision 1.92  2007/02/08 15:59:31  trubac
 * XAR_NextFile has one more parameter (Optimization of song indexing)
 *
 * Revision 1.91  2007/02/02 16:17:07  belardi
 * Code rearrangement to remove compiler warning
 *
 * Revision 1.90  2007/01/24 16:49:35  trubac
 * filesys function used to retrieve X_array strings
 *
 * Revision 1.89  2007/01/18 15:02:30  trubac
 * strange memcpy replaced by loop copying
 *
 * Revision 1.88  2006/12/18 17:54:20  sedmik
 * fix in CmdPowerOff - store_resume info (invalid time check)
 *
 * Revision 1.87  2006/12/18 16:28:23  belardi
 * Variable initialization to remove compiler warning
 *
 * Revision 1.86  2006/12/14 17:27:57  belardi
 * Changes in HAVE_HOST_UPDATE_NEW
 *
 * Revision 1.85  2006/12/13 14:28:23  trubac
 * Fixed changing directories with respect of playable contents
 *
 * Revision 1.84  2006/12/13 13:54:11  sedmik
 * fixed req_total_time - last CDDA file was not accessible
 * msgtimeinfo - minutes format reverted to fix in 1.82
 *
 * Revision 1.83  2006/12/13 09:31:50  belardi
 * Fixed MsgTimeInfo (added DirNo, removed frame number, rearranged parameter order to comply with CIS 0.09)
 *
 * Revision 1.82  2006/12/12 10:53:57  sedmik
 * changes in  file update functionality, fix in cmd power off
 *
 * Revision 1.81  2006/12/05 17:51:21  belardi
 * Added 'type of song' parameter to MsgTimeInfo (not yet in official CIS, but requested)
 *
 * Revision 1.80  2006/12/04 14:44:49  dellorto
 * added emergency eject command
 *
 * Revision 1.79  2006/11/30 11:05:53  belardi
 * Changed host_update_file_index to uint16 to comply with XAR_SafeIndex()
 *
 * Revision 1.78  2006/11/28 14:10:31  belardi
 * Added inlcude file
 *
 * Revision 1.77  2006/11/28 13:50:57  belardi
 * Added check for host update protocol
 *
 * Revision 1.76  2006/11/27 19:50:02  belardi
 * Host Update protocol addition
 * - new functions
 *
 * Revision 1.75  2006/11/25 08:54:22  belardi
 * Coditional compilatio for HAVE_TEMP_SENSOR
 *
 * Revision 1.74  2006/11/24 15:41:23  sedmik
 * cmdSourceChange - commmand sent always to player (more secure)
 *
 * Revision 1.73  2006/11/24 11:26:27  zhong
 * Karbin for Temperature sensor detect
 *
 * Revision 1.72  2006/11/22 17:22:32  sedmik
 * improved REQ_STATE, REQ_DISC_INFO
 *
 * Revision 1.71  2006/11/22 15:57:03  sedmik
 * report_msg_rom_media_content - fix for more partitions on same media reporting
 *
 * Revision 1.70  2006/11/21 13:59:11  dellorto
 * improved hostif reporting of servo parameters in case of restart
 *
 * Revision 1.69  2006/11/20 13:25:32  sedmik
 * improved navigation for playlists,
 * fix in REQ_TOTAL_TIME, REQ_DEVICE_FILE_TYPE,
 * added MSG_ENTRY_NAME playlist param, REQ_AVAILABLE_PLAYLIST_FILES, REQ_DISC_INFO
 *
 * Revision 1.68  2006/11/17 16:38:57  dellorto
 * added PVD address in read TOC message
 * added auto text messages
 * added configurable text item length
 *
 * Revision 1.67  2006/11/16 15:57:00  belardi
 * Added the product string in ASCII for quick version check on .hex releases
 *
 * Revision 1.66  2006/11/16 15:10:08  belardi
 * added check for validity of current_song_info in MsgTotalTime
 *
 * Revision 1.65  2006/11/16 13:12:27  trubac
 * CountFilesForDevice changed parameter t_SearchMode
 *
 * Revision 1.64  2006/11/15 14:18:45  dellorto
 * added messages for read TOC
 *
 * Revision 1.63  2006/11/14 15:40:44  belardi
 * estetics
 *
 * Revision 1.62  2006/11/14 15:06:59  belardi
 * Implementation of MsgTotalTime
 *
 * Revision 1.61  2006/11/13 18:03:03  belardi
 * - bug fix in MsgDisclabel (was using wrong string length calculation)
 * - bug fix in MsgDeviceInfo (was building the message but not sending it)
 * - add CD type check in MsgTrackInfo
 * - ported MsgProductVersion to CIS0.09 format
 *
 * Revision 1.60  2006/11/10 16:29:21  dellorto
 * added support for servo parameters sending
 *
 * Revision 1.59  2006/11/09 16:23:00  belardi
 * Removed unused function
 *
 * Revision 1.58  2006/11/07 18:58:33  sedmik
 * added funcs for playlists messaging, time information (relative file nr fix)
 *
 * Revision 1.57  2006/11/07 16:32:06  belardi
 * Bug fix in ROMMediaContent
 *
 * Revision 1.56  2006/11/07 10:53:56  belardi
 * Bug fixes in ROMMediaContent
 *
 * Revision 1.55  2006/11/01 15:46:43  trubac
 * CountFilesForVolume/CountFilesForDevice now allows counting of playlists
 *
 * Revision 1.54  2006/10/31 08:51:47  belardi
 * Removed unused variables to eliminate warnings
 *
 * Revision 1.53  2006/10/27 15:10:53  sedmik
 * improved report_msg_entry_name -  possible to address any file/dir from current device
 *
 * Revision 1.52  2006/10/20 15:41:10  belardi
 * Support for long multi-packet transmission (or scheduled tx)
 *
 * Revision 1.51  2006/10/18 12:38:43  belardi
 * Removed USE_STM_HOSTIF
 *
 * Revision 1.50  2006/10/17 10:04:58  trubac
 * Different song info strings access using offset
 *
 * Revision 1.49  2006/10/11 16:11:53  belardi
 * Removed unused code in preparation of HostIF redesign to support long messages
 *
 * Revision 1.48  2006/10/05 07:33:06  trubac
 * Implementing TOC info at the end of string pool
 *
 * Revision 1.47  2006/09/27 19:51:40  belardi
 * Removed (global) unused variables
 *
 * Revision 1.46  2006/09/26 13:16:59  belardi
 * Removed compilation warnings
 *
 * Revision 1.45  2006/09/26 09:33:34  belardi
 * Removed 'extern definitions, moved to player.h
 *
 * Revision 1.44  2006/09/19 10:26:27  belardi
 * - Removed unused variables
 * - Fixed used-before set 'lenght' variable
 *
 * Revision 1.43  2006/09/18 09:31:36  belardi
 * white-space
 *
 * Revision 1.42  2006/09/15 19:54:20  belardi
 * Merged the m8_cav2_cm80506_cs3563.
 * - removed xtoc from XItem, created temporary XTOC variable
 *
 *
 ***************************************************/

#include <string.h>
#include "configuration.h"
#include "gendef.h"
#include "osal.h"
#include "hwreg.h"
 
#include "plyinc.h"
#include "srvinc.h"
#include "plr_conf.h"

#include "i2c.h"
#include "player.h"
#include "hostif_high.h"
#include "hostif_low.h"
#if (1==HAVE_CDTEXT)
  #include "text.h"
#endif

#include "controller.h"	//JS added (for next/prev from USB)
#if (0!=HAVE_USB)
#include "usb.h"
#endif /*HAVE_USB*/

#include "xfile.h" // for ID3 tags
#include "mconfig.h"
#include "cddevice.h"

#include "player.h"

#if ((1 == HAVE_HOST_UPDATE) || (1 == HAVE_HOST_UPDATE_NEW))
#include "filesys.h"
#endif
#if (1 == HAVE_HOST_UPDATE)
#include "framebuffer.h"
#endif

#if (1 == HAVE_TEMP_SENSOR)
#include "temper.h"
#endif

extern uint16 ItemsThrown;
extern uint16 jitter_percentage_val;
extern uint16 hf_level;
//#define HOSTIF_DEBUG

uint8 textInfoFlags;
t_bool ConfigUpdated = b_FALSE;        //JS added for signalling update to player. 
                                             //Initialised to update player params with 1st command

t_binary_trasnfer_mode binary_trasfer_mode = NO_TRANSFER; //JS added to select type of binary transfer 
#if (0!=IPOD_PASSTHROUGH)
/* ipod passthrough params */