Add SMS interface initialization code for atmodem
authorDenis Kenzior <denkenz@gmail.com>
Thu, 4 Jun 2009 02:07:25 +0000 (21:07 -0500)
committerDenis Kenzior <denkenz@gmail.com>
Thu, 4 Jun 2009 02:08:47 +0000 (21:08 -0500)
drivers/atmodem/at.h
drivers/atmodem/sms.c

index 6c29e00..ec7fb80 100644 (file)
@@ -31,6 +31,7 @@ struct at_data {
 
        struct netreg_data *netreg;
        struct voicecall_data *voicecall;
+       struct sms_data *sms;
 };
 
 void decode_at_error(struct ofono_error *error, const char *final);
index 99e2966..97e6f1d 100644 (file)
 #include "at.h"
 
 static const char *csca_prefix[] = { "+CSCA", NULL };
+static const char *csms_prefix[] = { "+CSMS", NULL };
+static const char *cmgf_prefix[] = { "+CMGF", NULL };
+static const char *cpms_prefix[] = { "+CPMS", NULL };
+static const char *cnmi_prefix[] = { "+CNMI", NULL };
+
+static gboolean set_cmgf(gpointer user_data);
+static gboolean set_cpms(gpointer user_data);
+
+#define MAX_CMGF_RETRIES 10
+#define MAX_CPMS_RETRIES 10
+
+static const char *storages[] = {
+       "SM",
+       "ME",
+};
+
+#define SM_STORE 0
+#define ME_STORE 1
+
+struct sms_data {
+       int store;
+       int retries;
+       gboolean cnma_enabled;
+};
+
+static struct sms_data *sms_create()
+{
+       return g_try_new0(struct sms_data, 1);
+}
+
+static void sms_destroy(struct sms_data *data)
+{
+       g_free(data);
+}
 
 static void at_csca_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
 {
@@ -156,12 +190,431 @@ static struct ofono_sms_ops ops = {
        .sca_set        = at_csca_set,
 };
 
-void at_sms_init(struct ofono_modem *modem)
+static void at_cbm_notify(GAtResult *result, gpointer user_data)
+{
+       dump_response("at_cbm_notify", TRUE, result);
+}
+
+static void at_cds_notify(GAtResult *result, gpointer user_data)
+{
+       dump_response("at_cds_notify", TRUE, result);
+}
+
+static void at_cmt_notify(GAtResult *result, gpointer user_data)
+{
+       dump_response("at_cmt_notify", TRUE, result);
+}
+
+static void at_cmti_notify(GAtResult *result, gpointer user_data)
 {
+       dump_response("at_cmti_notify", TRUE, result);
+}
+
+static void at_sms_initialized(struct ofono_modem *modem)
+{
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       g_at_chat_register(at->parser, "+CMTI:", at_cmti_notify, FALSE,
+                               modem, NULL);
+       g_at_chat_register(at->parser, "+CMT:", at_cmt_notify, TRUE,
+                               modem, NULL);
+       g_at_chat_register(at->parser, "+CDS:", at_cds_notify, TRUE,
+                               modem, NULL);
+       g_at_chat_register(at->parser, "+CBM:", at_cbm_notify, TRUE,
+                               modem, NULL);
+
        ofono_sms_manager_register(modem, &ops);
 }
 
+static void at_sms_not_supported(struct ofono_modem *modem)
+{
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       ofono_error("SMS not supported by this modem.  If this is in error"
+                       " please submit patches to support this hardware");
+       if (at->sms) {
+               sms_destroy(at->sms);
+               at->sms = NULL;
+       }
+}
+
+static void at_cnmi_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+
+       if (!ok)
+               return at_sms_not_supported(modem);
+
+       at_sms_initialized(modem);
+}
+
+static inline char wanted_cnmi(int supported, const char *pref)
+{
+       while (*pref) {
+               if (supported & (1 << (*pref - '0')))
+                       return *pref;
+
+               pref++;
+       }
+
+       return '\0';
+}
+
+static inline gboolean append_cnmi_element(char *buf, int *len, int cap,
+                                               const char *wanted,
+                                               gboolean last)
+{
+       char setting = wanted_cnmi(cap, wanted);
+
+       if (!setting)
+               return FALSE;
+
+       buf[*len] = setting;
+
+       if (last)
+               buf[*len + 1] = '\0';
+       else
+               buf[*len + 1] = ',';
+
+       *len += 2;
+
+       return TRUE;
+}
+
+static gboolean build_cnmi_string(char *buf, int *cnmi_opts,
+                                       gboolean cnma_enabled)
+{
+       int len = sprintf(buf, "AT+CNMI=");
+
+       /* Mode doesn't matter, but sounds like 2 is the sanest option */
+       if (!append_cnmi_element(buf, &len, cnmi_opts[0], "2310", FALSE))
+               return FALSE;
+
+       /* Prefer to deliver SMS via +CMT if CNMA is supported */
+       if (!append_cnmi_element(buf, &len, cnmi_opts[1],
+                                       cnma_enabled ? "21" : "1", FALSE))
+               return FALSE;
+
+       /* Always deliver CB via +CBM, otherwise don't deliver at all */
+       if (!append_cnmi_element(buf, &len, cnmi_opts[2], "20", FALSE))
+               return FALSE;
+
+       /* Always deliver Status-Reports via +CDS or don't deliver at all */
+       if (!append_cnmi_element(buf, &len, cnmi_opts[3], "10", FALSE))
+               return FALSE;
+
+       /* Don't care about buffering, 0 seems safer */
+       if (!append_cnmi_element(buf, &len, cnmi_opts[4], "01", TRUE))
+               return FALSE;
+
+       return TRUE;
+}
+
+static void at_cnmi_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       GAtResultIter iter;
+       int cnmi_opts[5]; /* See 27.005 Section 3.4.1 */
+       int opt;
+       int mode;
+       gboolean supported = FALSE;
+       char buf[128];
+
+       if (!ok)
+               goto out;
+
+       memset(cnmi_opts, 0, sizeof(cnmi_opts));
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CNMI:"))
+               goto out;
+
+       for (opt = 0; opt < 5; opt++) {
+               if (!g_at_result_iter_open_list(&iter))
+                       goto out;
+
+               while (g_at_result_iter_next_number(&iter, &mode))
+                       cnmi_opts[opt] |= 1 << mode;
+
+               if (!g_at_result_iter_close_list(&iter))
+                       goto out;
+       }
+
+       if (build_cnmi_string(buf, cnmi_opts, at->sms->cnma_enabled))
+               supported = TRUE;
+
+out:
+       if (!supported)
+               return at_sms_not_supported(modem);
+
+       g_at_chat_send(at->parser, buf, cnmi_prefix,
+                       at_cnmi_set_cb, modem, NULL);
+}
+
+static void at_query_cnmi(struct ofono_modem *modem)
+{
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       g_at_chat_send(at->parser, "AT+CNMI=?", cnmi_prefix,
+                       at_cnmi_query_cb, modem, NULL);
+}
+
+static void at_cpms_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       if (ok)
+               return at_query_cnmi(modem);
+
+       at->sms->retries += 1;
+
+       if (at->sms->retries == MAX_CPMS_RETRIES) {
+               ofono_error("Unable to set preferred storage");
+               return at_sms_not_supported(modem);
+       }
+
+       g_timeout_add_seconds(1, set_cpms, modem);
+}
+
+static gboolean set_cpms(gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       const char *store = storages[at->sms->store];
+       char buf[128];
+
+       sprintf(buf, "AT+CPMS=\"%s\",\"%s\",\"%s\"", store, store, store);
+
+       g_at_chat_send(at->parser, buf, cpms_prefix,
+                       at_cpms_set_cb, modem, NULL);
+       return FALSE;
+}
+
+static void at_cmgf_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       if (ok) {
+               at->sms->retries = 0;
+               set_cpms(modem);
+               return;
+       }
+
+       at->sms->retries += 1;
+
+       if (at->sms->retries == MAX_CMGF_RETRIES) {
+               ofono_debug("Unable to enter PDU mode");
+               return at_sms_not_supported(modem);
+       }
+
+       g_timeout_add_seconds(1, set_cmgf, modem);
+}
+
+static gboolean set_cmgf(gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       g_at_chat_send(at->parser, "AT+CMGF=0", cmgf_prefix,
+                       at_cmgf_set_cb, modem, NULL);
+       return FALSE;
+}
+
+static void at_cpms_query_cb(gboolean ok, GAtResult *result,
+                               gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       gboolean supported = FALSE;
+
+       if (ok) {
+               int mem = 0;
+               GAtResultIter iter;
+               const char *store;
+               gboolean me_supported[3];
+               gboolean sm_supported[3];
+
+               memset(me_supported, 0, sizeof(me_supported));
+               memset(sm_supported, 0, sizeof(sm_supported));
+
+               g_at_result_iter_init(&iter, result);
+
+               if (!g_at_result_iter_next(&iter, "+CPMS:"))
+                       goto out;
+
+               for (mem = 0; mem < 3; mem++) {
+                       if (!g_at_result_iter_open_list(&iter))
+                               goto out;
+
+                       while (g_at_result_iter_next_string(&iter, &store)) {
+                               if (!strcmp(store, "ME"))
+                                       me_supported[mem] = TRUE;
+                               else if (!strcmp(store, "SM"))
+                                       sm_supported[mem] = TRUE;
+                       }
+
+                       if (!g_at_result_iter_close_list(&iter))
+                               goto out;
+               }
+
+               if (me_supported[0] && me_supported[1] && me_supported[2]) {
+                       supported = TRUE;
+                       at->sms->store = ME_STORE;
+               }
+
+               if (sm_supported[0] && sm_supported[1] && sm_supported[2]) {
+                       supported = TRUE;
+                       at->sms->store = SM_STORE;
+               }
+       }
+out:
+       if (!supported)
+               return at_sms_not_supported(modem);
+
+       set_cmgf(modem);
+}
+
+static void at_cmgf_query_cb(gboolean ok, GAtResult *result,
+                               gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       gboolean supported = FALSE;
+
+       if (ok) {
+               GAtResultIter iter;
+               int mode;
+
+               g_at_result_iter_init(&iter, result);
+
+               if (!g_at_result_iter_next(&iter, "+CMGF:"))
+                       goto out;
+
+               if (!g_at_result_iter_open_list(&iter))
+                       goto out;
+
+               while (g_at_result_iter_next_number(&iter, &mode))
+                       if (mode == 1)
+                               supported = TRUE;
+       }
+
+out:
+       if (!supported)
+               return at_sms_not_supported(modem);
+
+       g_at_chat_send(at->parser, "AT+CPMS=?", cpms_prefix,
+                       at_cpms_query_cb, modem, NULL);
+}
+
+static void at_csms_status_cb(gboolean ok, GAtResult *result,
+                               gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       gboolean supported = FALSE;
+
+       if (ok) {
+               GAtResultIter iter;
+               int service;
+               int mt;
+               int mo;
+
+               g_at_result_iter_init(&iter, result);
+
+               if (!g_at_result_iter_next(&iter, "+CSMS:"))
+                       goto out;
+
+               if (!g_at_result_iter_next_number(&iter, &service))
+                       goto out;
+
+               if (!g_at_result_iter_next_number(&iter, &mt))
+                       goto out;
+
+               if (!g_at_result_iter_next_number(&iter, &mo))
+                       goto out;
+
+               if (service == 1)
+                       at->sms->cnma_enabled = TRUE;
+
+               if (mt == 1 && mo == 1)
+                       supported = TRUE;
+       }
+
+out:
+       if (!supported)
+               return at_sms_not_supported(modem);
+
+       /* Now query supported text format */
+       g_at_chat_send(at->parser, "AT+CMGF=?", cmgf_prefix,
+                       at_cmgf_query_cb, modem, NULL);
+}
+
+static void at_csms_set_cb(gboolean ok, GAtResult *result,
+                               gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       g_at_chat_send(at->parser, "AT+CSMS?", csms_prefix,
+                       at_csms_status_cb, modem, NULL);
+}
+
+static void at_csms_query_cb(gboolean ok, GAtResult *result,
+                               gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct at_data *at = ofono_modem_userdata(modem);
+       gboolean cnma_supported = FALSE;
+       GAtResultIter iter;
+       int status;
+       char buf[128];
+
+       if (!ok)
+               return at_sms_not_supported(modem);
+
+       at->sms = sms_create();
+
+       if (!at->sms)
+               return;
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CSMS:"))
+               goto out;
+
+       if (!g_at_result_iter_open_list(&iter))
+               goto out;
+
+       while (g_at_result_iter_next_number(&iter, &status))
+               if (status == 1)
+                       cnma_supported = TRUE;
+
+       ofono_debug("CSMS query parsed successfully");
+
+out:
+       sprintf(buf, "AT+CSMS=%d", cnma_supported ? 1 : 0);
+       g_at_chat_send(at->parser, buf, csms_prefix,
+                       at_csms_set_cb, modem, NULL);
+}
+
+void at_sms_init(struct ofono_modem *modem)
+{
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       g_at_chat_send(at->parser, "AT+CSMS=?", csms_prefix,
+                       at_csms_query_cb, modem, NULL);
+}
+
 void at_sms_exit(struct ofono_modem *modem)
 {
+       struct at_data *at = ofono_modem_userdata(modem);
+
+       if (!at->sms)
+               return;
+
        ofono_sms_manager_unregister(modem);
 }