From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6706504438514505552==" MIME-Version: 1.0 From: Denis Kenzior Subject: Re: [PATCH v3 1/3] SIMCOM SIM900 module support Date: Wed, 28 Dec 2011 09:54:09 -0600 Message-ID: <4EFB3BA1.9060805@gmail.com> In-Reply-To: <1325160387-19607-1-git-send-email-r.r.zaripov@gmail.com> List-Id: To: ofono@ofono.org --===============6706504438514505552== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Renat, On 12/29/2011 06:06 AM, r.r.zaripov(a)gmail.com wrote: > From: Renat Zaripov > = > This patch add support for SIM900 GSM module > http://wm.sim.com/Sim/FrontShow_en/wireless/detail.aspx?cid=3D6&nid=3D770 > = > Signed-off-by: Sergey Lapin > Signed-off-by: Renat Zaripov We actually don't use Signed-off-by, so please leave this out. > --- > Makefile.am | 3 + > plugins/sim900.c | 245 ++++++++++++++++++++++++++++++++++++++++++++++++= ++++++ > 2 files changed, 248 insertions(+), 0 deletions(-) > create mode 100644 plugins/sim900.c > = > v3: handled issues pointed out by review > split into general and plugin parts = > added documentation > = > diff --git a/Makefile.am b/Makefile.am > index 337aeb7..291d5e5 100644 > --- a/Makefile.am > +++ b/Makefile.am > @@ -357,6 +357,9 @@ builtin_sources +=3D plugins/speedupcdma.c > builtin_modules +=3D samsung > builtin_sources +=3D plugins/samsung.c > = > +builtin_modules +=3D sim900 > +builtin_sources +=3D plugins/sim900.c > + > if BLUETOOTH > builtin_modules +=3D bluetooth > builtin_sources +=3D plugins/bluetooth.c plugins/bluetooth.h > diff --git a/plugins/sim900.c b/plugins/sim900.c > new file mode 100644 > index 0000000..262a38c > --- /dev/null > +++ b/plugins/sim900.c > @@ -0,0 +1,245 @@ > +/* > + * > + * oFono - Open Source Telephony > + * > + * Copyright (C) 2008-2011 Intel Corporation. All rights reserved. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * 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 St, Fifth Floor, Boston, MA 02110-130= 1 USA > + * > + */ > + > +#ifdef HAVE_CONFIG_H > +#include > +#endif > + > +#include > +#include > + > +#include > +#include > +#include > + > +#define OFONO_API_SUBJECT_TO_CHANGE > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > + > +static const char *none_prefix[] =3D { NULL }; > + > +struct sim900_data { > + GAtChat *modem; > +}; > + > +static int sim900_probe(struct ofono_modem *modem) > +{ > + struct sim900_data *data; > + > + DBG("%p", modem); > + > + data =3D g_try_new0(struct sim900_data, 1); > + if (data =3D=3D NULL) > + return -ENOMEM; > + > + ofono_modem_set_data(modem, data); > + > + return 0; > +} > + > +static void sim900_remove(struct ofono_modem *modem) > +{ > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + > + DBG("%p", modem); > + > + ofono_modem_set_data(modem, NULL); > + > + g_at_chat_unref(data->modem); > + > + g_free(data); > +} > + > +static void sim900_debug(const char *str, void *user_data) > +{ > + const char *prefix =3D user_data; > + > + ofono_info("%s%s", prefix, str); > +} > + > +static GAtChat *open_device(struct ofono_modem *modem, > + const char *key, char *debug) > +{ > + const char *device; > + GAtSyntax *syntax; > + GIOChannel *channel; > + GAtChat *chat; > + GHashTable *options; > + > + device =3D ofono_modem_get_string(modem, key); > + if (device =3D=3D NULL) > + return NULL; > + > + DBG("%s %s", key, device); > + > + options =3D g_hash_table_new(g_str_hash, g_str_equal); > + if (options =3D=3D NULL) > + return NULL; > + > + g_hash_table_insert(options, "Baud", "115200"); > + g_hash_table_insert(options, "Parity", "none"); > + g_hash_table_insert(options, "StopBits", "1"); > + g_hash_table_insert(options, "DataBits", "8"); > + g_hash_table_insert(options, "XonXoff", "off"); > + g_hash_table_insert(options, "Local", "off"); > + g_hash_table_insert(options, "RtsCts", "off"); > + > + channel =3D g_at_tty_open(device, options); > + if (channel =3D=3D NULL) > + return NULL; > + > + syntax =3D g_at_syntax_new_gsm_permissive(); > + chat =3D g_at_chat_new(channel, syntax); > + g_at_syntax_unref(syntax); > + > + g_io_channel_unref(channel); > + > + if (chat =3D=3D NULL) > + return NULL; > + > + if (getenv("OFONO_AT_DEBUG")) > + g_at_chat_set_debug(chat, sim900_debug, debug); > + > + return chat; > +} > + > +static void cfun_enable(gboolean ok, GAtResult * result, gpointer user_d= ata) > +{ > + struct ofono_modem *modem =3D user_data; > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + > + DBG(""); > + > + if (!ok) { > + g_at_chat_unref(data->modem); > + data->modem =3D NULL; > + } > + > + ofono_modem_set_powered(modem, ok); > +} > + > +static int sim900_enable(struct ofono_modem *modem) > +{ > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + > + DBG("%p", modem); > + > + data->modem =3D open_device(modem, "Device", "Device: "); > + if (data->modem =3D=3D NULL) { > + DBG("return -EINVAL"); > + return -EINVAL; > + } > + > + g_at_chat_send(data->modem, "ATE0", NULL, NULL, NULL, NULL); > + > + g_at_chat_send(data->modem, "AT+CMGF=3D0", NULL, NULL, NULL, NULL); Why do you do this here? The sms driver makes sure to enter PDU mode, repeatedly if required. > + > + /* For obtain correct sms service number */ > + g_at_chat_send(data->modem, "AT+CSCS=3D\"GSM\"", NULL, NULL, NULL, NULL= ); > + > + g_at_chat_send(data->modem, "AT+CNMI=3D2,2,0,0,0", none_prefix, > + cfun_enable, modem, NULL); Same with this one, the SMS driver has quite complex logic to choose the right CNMI string. This line probably has no effect anyway... > + > + return -EINPROGRESS; > +} > + > +static int sim900_disable(struct ofono_modem *modem) > +{ > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + > + DBG("%p", modem); > + > + g_at_chat_cancel_all(data->modem); > + g_at_chat_unregister_all(data->modem); > + > + g_at_chat_unref(data->modem); > + data->modem =3D NULL; > + > + return -EINPROGRESS; If you are returning EINPROGRESS then you should be calling ofono_modem_set_powered(modem, FALSE) at some point. Otherwise this simply times out. So the question is, do you want to send a CFUN=3D0 here? > +} > + > +static void sim900_pre_sim(struct ofono_modem *modem) > +{ > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + struct ofono_sim *sim; > + > + DBG("%p", modem); > + > + ofono_devinfo_create(modem, 0, "atmodem", data->modem); > + sim =3D ofono_sim_create(modem, 0, "atmodem", data->modem); > + > + if (sim) > + ofono_sim_inserted_notify(sim, TRUE); > +} > + > +static void sim900_post_sim(struct ofono_modem *modem) > +{ > + struct sim900_data *data =3D ofono_modem_get_data(modem); > + > + DBG("%p", modem); > + > + ofono_phonebook_create(modem, 0, "atmodem", data->modem); > + > + ofono_sms_create(modem, 0, "atmodem", data->modem); > + > + ofono_netreg_create(modem, OFONO_VENDOR_NOKIA, "atmodem", data->modem); At the moment netreg is not meant to be used in post_sim, only post_online. > +} > + > +static void sim900_post_online(struct ofono_modem *modem) > +{ > + DBG("%p", modem); > +} > + > +static struct ofono_modem_driver sim900_driver =3D { > + .name =3D "sim900", > + .probe =3D sim900_probe, > + .remove =3D sim900_remove, > + .enable =3D sim900_enable, > + .disable =3D sim900_disable, > + .pre_sim =3D sim900_pre_sim, > + .post_sim =3D sim900_post_sim, > + .post_online =3D sim900_post_online, > +}; > + > +static int sim900_init(void) > +{ > + return ofono_modem_driver_register(&sim900_driver); > +} > + > +static void sim900_exit(void) > +{ > + ofono_modem_driver_unregister(&sim900_driver); > +} > + > +OFONO_PLUGIN_DEFINE(sim900, "SIM900 modem driver", VERSION, > + OFONO_PLUGIN_PRIORITY_DEFAULT, sim900_init, sim900_exit) Regards, -Denis --===============6706504438514505552==--