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/* TI [Calypso] with HTC firmware gsmd plugin
*
* Written by Philipp Zabel <philipp.zabel@gmail.com>
* based on vendor_ti.c
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "gsmd.h"
#include <gsmd/gsmd.h>
#include <gsmd/usock.h>
#include <gsmd/event.h>
#include <gsmd/talloc.h>
#include <gsmd/extrsp.h>
#include <gsmd/atcmd.h>
#include <gsmd/vendorplugin.h>
#include <gsmd/unsolicited.h>
static int gsmd_test_atcb(struct gsmd_atcmd *cmd, void *ctx, char *resp)
{
printf("`%s' returned `%s'\n", cmd->buf, resp);
return 0;
}
int gsmd_simplecmd(struct gsmd *gsmd, char *cmdtxt)
{
struct gsmd_atcmd *cmd;
cmd = atcmd_fill(cmdtxt, strlen(cmdtxt)+1, &gsmd_test_atcb, NULL, 0, NULL);
if (!cmd)
return -ENOMEM;
return atcmd_submit(gsmd, cmd);
}
static int htccsq_parse(char *buf, int len, const char *param,
struct gsmd *gsmd)
{
char *tok;
struct gsmd_evt_auxdata *aux;
struct gsmd_ucmd *ucmd = usock_build_event(GSMD_MSG_EVENT, GSMD_EVT_SIGNAL,
sizeof(*aux));
static int rssi_table[] = { 0,5,10,15,20,25,99 };
unsigned int i;
DEBUGP("entering htccsq_parse param=`%s'\n", param);
if (!ucmd)
return -EINVAL;
aux = (struct gsmd_evt_auxdata *) ucmd->buf;
i = atoi(buf);
if (i > 6)
i = 6;
aux->u.signal.sigq.rssi = rssi_table[atoi(buf)];
aux->u.signal.sigq.ber = 99;
DEBUGP("sending EVT_SIGNAL\n");
usock_evt_send(gsmd, ucmd, GSMD_EVT_SIGNAL);
return 0;
out_free_io:
free(ucmd);
return -EIO;
}
static int cpri_parse(char *buf, int len, const char *param, struct gsmd *gsmd)
{
char *tok1, *tok2;
tok1 = strtok(buf, ",");
if (!tok1)
return -EIO;
tok2 = strtok(NULL, ",");
if (!tok2) {
switch (atoi(tok1)) {
case 0:
gsmd->dev_state.ciph_ind.flags &= ~GSMD_CIPHIND_ACTIVE;
break;
case 1:
gsmd->dev_state.ciph_ind.flags |= GSMD_CIPHIND_ACTIVE;
break;
case 2:
gsmd->dev_state.ciph_ind.flags |= GSMD_CIPHIND_DISABLED_SIM;
break;
}
} else {
struct gsmd_evt_auxdata *aux;
struct gsmd_ucmd *ucmd = usock_build_event(GSMD_MSG_EVENT,
GSMD_EVT_CIPHER,
sizeof(*aux));
if (!ucmd)
return -ENOMEM;
aux = (struct gsmd_evt_auxdata *) ucmd->buf;
aux->u.cipher.net_state_gsm = atoi(tok1);
aux->u.cipher.net_state_gsm = atoi(tok2);
usock_evt_send(gsmd, ucmd, GSMD_EVT_CIPHER);
}
return 0;
}
/* Call Progress Information */
static int cpi_parse(char *buf, int len, const char *param, struct gsmd *gsmd)
{
char *tok;
struct gsmd_evt_auxdata *aux;
struct gsmd_ucmd *ucmd = usock_build_event(GSMD_MSG_EVENT,
GSMD_EVT_OUT_STATUS,
sizeof(*aux));
DEBUGP("entering cpi_parse param=`%s'\n", param);
if (!ucmd)
return -EINVAL;
aux = (struct gsmd_evt_auxdata *) ucmd->buf;
/* Format: cId, msgType, ibt, tch, dir,[mode],[number],[type],[alpha],[cause],line */
/* call ID */
tok = strtok(buf, ",");
if (!tok)
goto out_free_io;
/* message type (layer 3) */
tok = strtok(NULL, ",");
if (!tok)
goto out_free_io;
aux->u.call_status.prog = atoi(tok);
/* in-band tones */
tok = strtok(NULL, ",");
if (!tok)
goto out_free_io;
if (*tok == '1')
aux->u.call_status.ibt = 1;
else
aux->u.call_status.ibt = 0;
/* TCH allocated */
tok = strtok(NULL, ",");
if (!tok)
goto out_free_io;
if (*tok == '1')
aux->u.call_status.tch = 1;
else
aux->u.call_status.tch = 0;
/* direction */
tok = strtok(NULL, ",");
if (!tok)
goto out_send;
switch (*tok) {
case '0':
case '1':
case '2':
case '3':
aux->u.call_status.dir = (*tok - '0');
break;
default:
break;
}
/* mode */
tok = strtok(NULL, ",");
if (!tok)
goto out_send;
out_send:
usock_evt_send(gsmd, ucmd, GSMD_EVT_OUT_STATUS);
return 0;
out_free_io:
talloc_free(ucmd);
return -EIO;
}
static const struct gsmd_unsolicit tihtc_unsolicit[] = {
{ "%HTCCSQ", &htccsq_parse }, /* Signal Quality */
{ "%CPRI", &cpri_parse }, /* Ciphering Indication */
{ "%CPI", &cpi_parse }, /* Call Progress Information */
/* FIXME: parse the below and generate the respective events */
/* %CGREG: reports extended information about GPRS registration state */
};
static int cpi_detect_cb(struct gsmd_atcmd *cmd, void *ctx, char *resp)
{
struct gsmd *g = ctx;
struct gsm_extrsp *er;
if (strncmp(resp, "%CPI: ", 6))
return -EINVAL;
resp += 6;
er = extrsp_parse(cmd, resp);
if (!er)
return -EINVAL;
if (extrsp_supports(er, 0, 3))
return gsmd_simplecmd(g, "AT%CPI=3");
else if (extrsp_supports(er, 0, 2))
return gsmd_simplecmd(g, "AT%CPI=2");
else
DEBUGP("Call Progress Indication mode 2 or 3 not supported!!\n");
talloc_free(er);
return 0;
}
static int tihtc_detect(struct gsmd *g)
{
/* FIXME: do actual detection of vendor if we have multiple vendors */
/* open /proc/cpuinfo and check for HTC Magician or HTC Blueangel? */
/* check for N_TIHTC ldisc? or set it ourselves? */
return 1;
}
static int tihtc_initsettings(struct gsmd *g)
{
int rc;
struct gsmd_atcmd *cmd;
/* use %CGREG */
//rc |= gsmd_simplecmd(g, "AT%CGREG=3");
/* enable %CPRI: ciphering indications */
rc |= gsmd_simplecmd(g, "AT%CPRI=1");
/* enable %HTCCSQ: signal quality reports */
rc |= gsmd_simplecmd(g, "AT%HTCCSQ=1");
/* send unsolicited commands at any time */
rc |= gsmd_simplecmd(g, "AT%CUNS=0");
/* enable %CPI: call progress indication */
cmd = atcmd_fill("AT%CPI=?", 9, &cpi_detect_cb, g, 0, NULL);
if (cmd)
atcmd_submit(g, cmd);
return rc;
}
struct gsmd_vendor_plugin gsmd_vendor_plugin = {
.name = "TI Calypso / HTC firmware",
.ext_chars = "%",
.num_unsolicit = ARRAY_SIZE(tihtc_unsolicit),
.unsolicit = tihtc_unsolicit,
.detect = &tihtc_detect,
.initsettings = &tihtc_initsettings,
};
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