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prepwork for zt hardware interface. 

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@177 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Michael Jerris 2007-05-29 06:53:39 +00:00
parent c48ce7994f
commit 722cd21170
3 changed files with 167 additions and 25 deletions
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2
libs/openzap/msvc/openzap.vcproj
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@ -344,7 +344,6 @@
>
<FileConfiguration
Name="Debug|Win32"
ExcludedFromBuild="true"
>
<Tool
Name="VCCLCompilerTool"
@ -352,7 +351,6 @@
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
ExcludedFromBuild="true"
>
<Tool
Name="VCCLCompilerTool"

154
libs/openzap/src/include/zap_zt.h
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@ -35,7 +35,159 @@
#define ZAP_ZT_H
#include "openzap.h"
zap_status_t zt_init(zap_software_interface_t **zint);
/* Hardware interface structures and defines */
/* Based on documentation of the structures required for the hardware interface */
/* from http://wiki.freeswitch.org/wiki/Zapata_zaptel_interface */
/* Structures */
/* Used with ioctl: ZT_GET_PARAMS and ZT_SET_PARAMS */
struct zt_params {
int chan_no; /* Channel Number */
int span_no; /* Span Number */
int chan_position; /* Channel Position */
int sig_type; /* Signal Type (read-only) */
int sig_cap; /* Signal Cap (read-only) */
int receive_offhook; /* Receive is offhook (read-only) */
int receive_bits; /* Number of bits in receive (read-only) */
int transmit_bits; /* Number of bits in transmit (read-only) */
int transmit_hook_sig; /* Transmit Hook Signal (read-only) */
int receive_hook_sig; /* Receive Hook Signal (read-only) */
int g711_type; /* Member of zt_g711_t (read-only) */
int idlebits; /* bits for the idle state (read-only) */
char chan_name[40]; /* Channel Name */
int prewink_time;
int preflash_time;
int wink_time;
int flash_time;
int start_time;
int receive_wink_time;
int receive_flash_time;
int debounce_time;
int pulse_break_time;
int pulse_make_time;
int pulse_after_time;
};
/* Used with ioctl: ZT_CONFLINK, ZT_GETCONF and ZT_SETCONF */
struct zt_confinfo {
int chan_no; /* Channel Number, 0 for current */
int conference_number;
int conference_mode;
};
/* Used with ioctl: ZT_GETGAINS and ZT_SETGAINS */
struct zt_gains {
int chan_no; /* Channel Number, 0 for current */
unsigned char receive_gain[256]; /* Receive gain table */
unsigned char transmit_gain[256]; /* Transmit gain table */
};
/* Enumerations */
/* Values in zt_params structure for member g711_type */
typedef enum {
ZT_G711_DEFAULT = 0, /* Default mulaw/alaw from the span */
ZT_G711_MULAW = 1,
ZT_G711_ALAW = 2
} zt_g711_t;
typedef enum {
ZT_EVENT_NONE = 0,
ZT_EVENT_ONHOOK = 1,
ZT_EVENT_RINGOFFHOOK = 2,
ZT_EVENT_WINKFLASH = 3,
ZT_EVENT_ALARM = 4,
ZT_EVENT_NOALARM = 5,
ZT_EVENT_ABORT = 6,
ZT_EVENT_OVERRUN = 7,
ZT_EVENT_BADFCS = 8,
ZT_EVENT_DIALCOMPLETE = 9,
ZT_EVENT_RINGERON = 10,
ZT_EVENT_RINGEROFF = 11,
ZT_EVENT_HOOKCOMPLETE = 12,
ZT_EVENT_BITSCHANGED = 13,
ZT_EVENT_PULSE_START = 14,
ZT_EVENT_TIMER_EXPIRED = 15,
ZT_EVENT_TIMER_PING = 16,
ZT_EVENT_POLARITY = 17,
ZT_EVENT_RINGBEGIN = 18
} zt_event_t;
typedef enum {
ZT_FLUSH_READ = 1,
ZT_FLUSH_WRITE = 2,
ZT_FLUSH_BOTH = (ZT_FLUSH_READ | ZT_FLUSH_WRITE),
ZT_FLUSH_EVENT = 4,
ZT_FLUSH_ALL = (ZT_FLUSH_READ | ZT_FLUSH_WRITE | ZT_FLUSH_EVENT)
} zt_flush_t;
typedef enum {
ZT_IOMUX_READ = 1,
ZT_IOMUX_WRITE = 2,
ZT_IOMUX_WRITEEMPTY = 4,
ZT_IOMUX_SIGEVENT = 8,
ZT_IOMUX_NOWAIT = 256
} zt_iomux_t;
typedef enum {
ZT_ONHOOK = 0,
ZT_OFFHOOK = 1,
ZT_WINK = 2,
ZT_FLASH = 3,
ZT_START = 4,
ZT_RING = 5,
ZT_RINGOFF = 6
} zt_hookstate_t;
/* Defines */
#define ZT_MAX_BLOCKSIZE 8192
#define ZT_DEFAULT_MTU_MRU 2048
/* ioctl defines */
#define ZT_CODE 'J'
#define ZT_GET_BLOCKSIZE _IOW (ZT_CODE, 1, int) /* Get Transfer Block Size. */
#define ZT_SET_BLOCKSIZE _IOW (ZT_CODE, 2, int) /* Set Transfer Block Size. */
#define ZT_FLUSH _IOW (ZT_CODE, 3, int) /* Flush Buffer(s) and stop I/O */
#define ZT_SYNC _IOW (ZT_CODE, 4, int) /* Wait for Write to Finish */
#define ZT_GET_PARAMS _IOR (ZT_CODE, 5, struct zt_params) /* Get channel parameters */
#define ZT_SET_PARAMS _IOW (ZT_CODE, 6, struct zt_params) /* Set channel parameters */
#define ZT_HOOK _IOW (ZT_CODE, 7, int) /* Set Hookswitch Status */
#define ZT_GETEVENT _IOR (ZT_CODE, 8, int) /* Get Signalling Event */
#define ZT_IOMUX _IOWR (ZT_CODE, 9, int) /* Wait for something to happen (IO Mux) */
#define ZT_GETCONF _IOWR (ZT_CODE, 12, struct zt_confinfo) /* Get Conference Mode */
#define ZT_SETCONF _IOWR (ZT_CODE, 13, struct zt_confinfo) /* Set Conference Mode */
#define ZT_CONFLINK _IOW (ZT_CODE, 14, struct zt_confinfo) /* Setup or Remove Conference Link */
#define ZT_CONFDIAG _IOR (ZT_CODE, 15, int) /* Display Conference Diagnostic Information on Console */
#define ZT_GETGAINS _IOWR (ZT_CODE, 16, struct zt_gains) /* Get Channel audio gains */
#define ZT_SETGAINS _IOWR (ZT_CODE, 17, struct zt_gains) /* Set Channel audio gains */
#define ZT_AUDIOMODE _IOW (ZT_CODE, 32, int) /* Set a clear channel into audio mode */
#define ZT_HDLCRAWMODE _IOW (ZT_CODE, 36, int) /* Set a clear channel into HDLC w/out FCS checking/calculation mode */
#define ZT_HDLCFCSMODE _IOW (ZT_CODE, 37, int) /* Set a clear channel into HDLC w/ FCS mode */
/* Specify a channel on /dev/zap/chan -- must be done before any other ioctl's and is only valid on /dev/zap/chan */
#define ZT_SPECIFY _IOW (ZT_CODE, 38, int)
/* Temporarily set the law on a channel to ZT_LAW_DEFAULT, ZT_LAW_ALAW, or ZT_LAW_MULAW. Is reset on close. */
#define ZT_SETLAW _IOW (ZT_CODE, 39, int)
/* Temporarily set the channel to operate in linear mode when non-zero or default law if 0 */
#define ZT_SETLINEAR _IOW (ZT_CODE, 40, int)
#define ZT_GETCONFMUTE _IOR (ZT_CODE, 49, int) /* Get Conference to mute mode */
/* Openzap ZT hardware interface functions */
zap_status_t zt_init(zap_io_interface_t **zint);
zap_status_t zt_destroy(void);
#endif

36
libs/openzap/src/zap_zt.c
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@ -35,71 +35,63 @@
#include "openzap.h"
#include "zap_zt.h"
static ZINT_CONFIGURE_FUNCTION(zt_configure)
static ZIO_CONFIGURE_SPAN_FUNCTION(zt_configure_span)
{
ZINT_CONFIGURE_MUZZLE;
return ZAP_FAIL;
}
static ZINT_OPEN_FUNCTION(zt_open)
static ZIO_CONFIGURE_FUNCTION(zt_configure)
{
ZINT_OPEN_MUZZLE;
return ZAP_FAIL;
}
static ZINT_CLOSE_FUNCTION(zt_close)
static ZIO_OPEN_FUNCTION(zt_open)
{
ZINT_CLOSE_MUZZLE;
ZIO_OPEN_MUZZLE;
return ZAP_FAIL;
}
static ZINT_SET_CODEC_FUNCTION(zt_set_codec)
static ZIO_CLOSE_FUNCTION(zt_close)
{
ZINT_SET_CODEC_MUZZLE;
ZIO_CLOSE_MUZZLE;
return ZAP_FAIL;
}
static ZINT_SET_INTERVAL_FUNCTION(zt_set_interval)
static ZIO_COMMAND_FUNCTION(zt_command)
{
ZINT_SET_INTERVAL_MUZZLE;
return ZAP_FAIL;
}
static ZINT_WAIT_FUNCTION(zt_wait)
static ZIO_WAIT_FUNCTION(zt_wait)
{
ZINT_WAIT_MUZZLE;
return ZAP_FAIL;
}
static ZINT_READ_FUNCTION(zt_read)
static ZIO_READ_FUNCTION(zt_read)
{
ZINT_READ_MUZZLE;
return ZAP_FAIL;
}
static ZINT_WRITE_FUNCTION(zt_write)
static ZIO_WRITE_FUNCTION(zt_write)
{
ZINT_WRITE_MUZZLE;
return ZAP_FAIL;
}
static zap_software_interface_t zt_interface;
static zap_io_interface_t zt_interface;
zap_status_t zt_init(zap_software_interface_t **zint)
zap_status_t zt_init(zap_io_interface_t **zio)
{
assert(zint != NULL);
assert(zio != NULL);
memset(&zt_interface, 0, sizeof(zt_interface));
zt_interface.name = "zt";
zt_interface.configure = zt_configure;
zt_interface.open = zt_open;
zt_interface.close = zt_close;
zt_interface.set_codec = zt_set_codec;
zt_interface.set_interval = zt_set_interval;
zt_interface.wait = zt_wait;
zt_interface.read = zt_read;
zt_interface.write = zt_write;
*zint = &zt_interface;
*zio = &zt_interface;
return ZAP_FAIL;
}