Hi Clement,

On 07/11/2018 11:14, Clement Viel wrote:
---
  plugins/sim900.c | 108 +++++++++++++++++++++++++++++++++++++++++++++++++------
  1 file changed, 98 insertions(+), 10 deletions(-)

diff --git a/plugins/sim900.c b/plugins/sim900.c
index a7728cd..c12576d 100644
--- a/plugins/sim900.c
+++ b/plugins/sim900.c
@@ -24,6 +24,7 @@
  #endif
#include <errno.h>
+#include <string.h>
  #include <stdlib.h>
  #include <glib.h>
  #include <gatchat.h>
@@ -60,13 +61,73 @@ static char *dlc_prefixes[NUM_DLC] = { "Voice: ", "Net: ", "SMS: 
",
static const char *none_prefix[] = { NULL }; +typedef enum type {
+       SIM800,
+       SIM900,
+       SIM_UNKNOWN,
+} type_t;
+

type_t is not a great name... furthermore, I don't think ofono wants typedef'd enums. Just use: enum simcom_model {...} or similar.

  struct sim900_data {
        GIOChannel *device;
        GAtMux *mux;
        GAtChat * dlcs[NUM_DLC];
        guint frame_size;
+       type_t modem_type;
  };
+static void set_modem_type (const char *type, struct ofono_modem *modem)
+{
+       struct sim900_data *data = ofono_modem_get_data(modem);
+
+       if (strcmp(type, "sim800") == 0)
+               data->modem_type = SIM800;
+       else if (strcmp(type, "sim900") == 0)
+               data->modem_type = SIM900;
+       else
+               data->modem_type = SIM_UNKNOWN;
+       DBG("modem type is %d",data->modem_type);
+}
+

This function is unnecessary... see below.

+static void mux_ready_notify(GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct sim900_data *data = ofono_modem_get_data(modem);
+       struct ofono_gprs *gprs = NULL;
+       struct ofono_gprs_context *gc;
+
+       ofono_sms_create(modem, OFONO_VENDOR_SIMCOM, "atmodem",
+                               data->dlcs[SMS_DLC]);
+
+       gprs = ofono_gprs_create(modem, 0, "atmodem", data->dlcs[GPRS_DLC]);
+       if (gprs == NULL)
+               return;
+
+       gc = ofono_gprs_context_create(modem, OFONO_VENDOR_SIMCOM,
+                                       "atmodem", data->dlcs[GPRS_DLC]);
+       if (gc)
+               ofono_gprs_add_context(gprs, gc);
+
+}
+
+static void check_model(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       GAtResultIter iter;
+       char const *model;
+
+       g_at_result_iter_init(&iter, result);
+
+       while (g_at_result_iter_next(&iter, NULL)) {
+               if (!g_at_result_iter_next_unquoted_string(&iter, &model))
+                       continue;
+
+               if (strstr(model, "SIM800"))
+                       set_modem_type("sim800", modem);
+               else if (strstr(model, "SIM900"))
+                       set_modem_type("sim900", modem);

Just set the type directly here... no need to pass an arbitrary string through a secondary function to accomplish that.

Furthermore, the result is exactly "SIM800" or "SIM900", right? No need for strstr, use strcmp.

+       }
+}
+
  static int sim900_probe(struct ofono_modem *modem)
  {
        struct sim900_data *data;
@@ -78,7 +139,6 @@ static int sim900_probe(struct ofono_modem *modem)
                return -ENOMEM;
ofono_modem_set_data(modem, data);
-
        return 0;
  }
@@ -111,6 +171,7 @@ static GAtChat *open_device(struct ofono_modem *modem,
        GHashTable *options;
device = ofono_modem_get_string(modem, key);
+
        if (device == NULL)
                return NULL;
@@ -232,6 +293,11 @@ static void setup_internal_mux(struct ofono_modem *modem)
                        goto error;
                }
        }
+       if (data->modem_type == SIM800) {
+               for (i = 0; i<NUM_DLC; i++) {
+                       g_at_chat_register(data->dlcs[i], "SMS Ready", 
mux_ready_notify, FALSE, modem, NULL);
+               }
+       }
ofono_modem_set_powered(modem, TRUE); @@ -294,6 +360,7 @@ static int sim900_enable(struct ofono_modem *modem)
                return -EINVAL;
g_at_chat_send(data->dlcs[SETUP_DLC], "ATE0", NULL, NULL, NULL, NULL);
+       g_at_chat_send(data->dlcs[SETUP_DLC], "AT+CGMM", NULL,check_model, 
modem, NULL);
/* For obtain correct sms service number */
        g_at_chat_send(data->dlcs[SETUP_DLC], "AT+CSCS=\"GSM\"", NULL,
@@ -353,18 +420,20 @@ static void sim900_post_sim(struct ofono_modem *modem)
DBG("%p", modem); - ofono_phonebook_create(modem, 0, "atmodem", data->dlcs[VOICE_DLC]);
-       ofono_sms_create(modem, OFONO_VENDOR_SIMCOM, "atmodem",
+       if (data->modem_type != SIM800) {

How about "== SIM900" because that's what this is for.

+               ofono_phonebook_create(modem, 0, "atmodem", 
data->dlcs[VOICE_DLC]);
+               ofono_sms_create(modem, OFONO_VENDOR_SIMCOM, "atmodem",
                                                data->dlcs[SMS_DLC]);
- gprs = ofono_gprs_create(modem, 0, "atmodem", data->dlcs[GPRS_DLC]);
-       if (gprs == NULL)
-               return;
+               gprs = ofono_gprs_create(modem, 0, "atmodem", 
data->dlcs[GPRS_DLC]);
+               if (gprs == NULL)
+                       return;
- gc = ofono_gprs_context_create(modem, OFONO_VENDOR_SIMCOM_SIM900,
+               gc = ofono_gprs_context_create(modem, 
OFONO_VENDOR_SIMCOM_SIM900,
                                        "atmodem", data->dlcs[GPRS_DLC]);
-       if (gc)
-               ofono_gprs_add_context(gprs, gc);
+               if (gc)
+                       ofono_gprs_add_context(gprs, gc);
+       }
  }
static void sim900_post_online(struct ofono_modem *modem)
@@ -391,9 +460,28 @@ static struct ofono_modem_driver sim900_driver = {
        .post_online    = sim900_post_online,
  };
+
+static struct ofono_modem_driver sim800_driver = {
+       .name           = "sim800",
+       .probe          = sim900_probe,
+       .remove         = sim900_remove,
+       .enable         = sim900_enable,
+       .disable        = sim900_disable,
+       .pre_sim        = sim900_pre_sim,
+       .post_sim       = sim900_post_sim,
+       .post_online    = sim900_post_online,
+};

This is identical to the sim900_driver.

Your driver is already taking into account the modem model and adjusting functionality accordingly. You don't need to specify a new driver for the sim800 where the only thing that changes is the name.

+
  static int sim900_init(void)
  {
-       return ofono_modem_driver_register(&sim900_driver);
+       int ret = 0;
+       ret = ofono_modem_driver_register(&sim800_driver);
+       if (!ret)
+               return ret;
+       ret = ofono_modem_driver_register(&sim900_driver);
+       if (!ret)
+               return ret;
+       return ret;
  }
static void sim900_exit(void)


/Jonas
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