at-serial-port: allow sending 'raw' commands

Commands treated as 'raw' won't get the 'AT' prefix and will also not get the
trailing carriage return.

plugins/huawei/mm-plugin-huawei.c

@@ -213,6 +213,7 @@ huawei_custom_init_step (HuaweiCustomInitContext *ctx)
             ctx->port,
             "AT^CURC=0",
             3,
+            FALSE, /* raw */
             ctx->cancellable,
             (MMAtSerialResponseFn)curc_ready,
             ctx);
@@ -232,6 +233,7 @@ huawei_custom_init_step (HuaweiCustomInitContext *ctx)
             ctx->port,
             "AT^GETPORTMODE",
             3,
+            FALSE, /* raw */
             ctx->cancellable,
             (MMAtSerialResponseFn)getportmode_ready,
             ctx);

plugins/longcheer/mm-plugin-longcheer.c

@@ -130,6 +130,7 @@ longcheer_custom_init_step (LongcheerCustomInitContext *ctx)
         ctx->port,
         "AT+GMR",
         3,
+        FALSE, /* raw */
         ctx->cancellable,
         (MMAtSerialResponseFn)gmr_ready,
         ctx);

plugins/sierra/mm-plugin-sierra.c

@@ -124,6 +124,7 @@ sierra_custom_init_step (SierraCustomInitContext *ctx)
         ctx->port,
         "AT+GCAP",
         3,
+        FALSE, /* raw */
         ctx->cancellable,
         (MMAtSerialResponseFn)gcap_ready,
         ctx);

plugins/x22x/mm-plugin-x22x.c

@@ -129,6 +129,7 @@ x22x_custom_init_step (X22xCustomInitContext *ctx)
         ctx->port,
         "AT+GMR",
         3,
+        FALSE, /* raw */
         ctx->cancellable,
         (MMAtSerialResponseFn)gmr_ready,
         ctx);

src/mm-at-serial-port.c

@@ -281,7 +281,7 @@ parse_unsolicited (MMSerialPort *port, GByteArray *response)
 /*****************************************************************************/
 
 static GByteArray *
-at_command_to_byte_array (const char *command)
+at_command_to_byte_array (const char *command, gboolean is_raw)
 {
     GByteArray *buf;
     int cmdlen;
@@ -291,14 +291,19 @@ at_command_to_byte_array (const char *command)
     cmdlen = strlen (command);
     buf = g_byte_array_sized_new (cmdlen + 3);
 
-    /* Make sure there's an AT in the front */
+    if (!is_raw) {
-    if (!g_str_has_prefix (command, "AT"))
+        /* Make sure there's an AT in the front */
-        g_byte_array_append (buf, (const guint8 *) "AT", 2);
+        if (!g_str_has_prefix (command, "AT"))
+            g_byte_array_append (buf, (const guint8 *) "AT", 2);
+    }
+
     g_byte_array_append (buf, (const guint8 *) command, cmdlen);
 
-    /* Make sure there's a trailing carriage return */
+    if (!is_raw) {
-    if (command[cmdlen - 1] != '\r')
+        /* Make sure there's a trailing carriage return */
-        g_byte_array_append (buf, (const guint8 *) "\r", 1);
+        if (command[cmdlen - 1] != '\r')
+            g_byte_array_append (buf, (const guint8 *) "\r", 1);
+    }
 
     return buf;
 }
@@ -307,6 +312,7 @@ void
 mm_at_serial_port_queue_command (MMAtSerialPort *self,
                                  const char *command,
                                  guint32 timeout_seconds,
+                                 gboolean is_raw,
                                  GCancellable *cancellable,
                                  MMAtSerialResponseFn callback,
                                  gpointer user_data)
@@ -317,7 +323,7 @@ mm_at_serial_port_queue_command (MMAtSerialPort *self,
     g_return_if_fail (MM_IS_AT_SERIAL_PORT (self));
     g_return_if_fail (command != NULL);
 
-    buf = at_command_to_byte_array (command);
+    buf = at_command_to_byte_array (command, is_raw);
     g_return_if_fail (buf != NULL);
 
     mm_serial_port_queue_command (MM_SERIAL_PORT (self),
@@ -333,6 +339,7 @@ void
 mm_at_serial_port_queue_command_cached (MMAtSerialPort *self,
                                         const char *command,
                                         guint32 timeout_seconds,
+                                        gboolean is_raw,
                                         GCancellable *cancellable,
                                         MMAtSerialResponseFn callback,
                                         gpointer user_data)
@@ -343,7 +350,7 @@ mm_at_serial_port_queue_command_cached (MMAtSerialPort *self,
     g_return_if_fail (MM_IS_AT_SERIAL_PORT (self));
     g_return_if_fail (command != NULL);
 
-    buf = at_command_to_byte_array (command);
+    buf = at_command_to_byte_array (command, is_raw);
     g_return_if_fail (buf != NULL);
 
     mm_serial_port_queue_command_cached (MM_SERIAL_PORT (self),

src/mm-at-serial-port.h

@@ -93,6 +93,7 @@ void     mm_at_serial_port_set_response_parser (MMAtSerialPort *self,
 void     mm_at_serial_port_queue_command     (MMAtSerialPort *self,
                                               const char *command,
                                               guint32 timeout_seconds,
+                                              gboolean is_raw,
                                               GCancellable *cancellable,
                                               MMAtSerialResponseFn callback,
                                               gpointer user_data);
@@ -100,6 +101,7 @@ void     mm_at_serial_port_queue_command     (MMAtSerialPort *self,
 void     mm_at_serial_port_queue_command_cached (MMAtSerialPort *self,
                                                  const char *command,
                                                  guint32 timeout_seconds,
+                                                 gboolean is_raw,
                                                  GCancellable *cancellable,
                                                  MMAtSerialResponseFn callback,
                                                  gpointer user_data);

src/mm-base-modem-at.c

@@ -201,6 +201,7 @@ at_sequence_parse_response (MMAtSerialPort *port,
                     ctx->port,
                     ctx->current->command,
                     ctx->current->timeout,
+                    FALSE,
                     ctx->cancellable,
                     (MMAtSerialResponseFn)at_sequence_parse_response,
                     ctx);
@@ -209,6 +210,7 @@ at_sequence_parse_response (MMAtSerialPort *port,
                     ctx->port,
                     ctx->current->command,
                     ctx->current->timeout,
+                    FALSE,
                     ctx->cancellable,
                     (MMAtSerialResponseFn)at_sequence_parse_response,
                     ctx);
@@ -288,6 +290,7 @@ mm_base_modem_at_sequence_full (MMBaseModem *self,
         ctx->port,
         ctx->current->command,
         ctx->current->timeout,
+        FALSE,
         ctx->cancellable,
         (MMAtSerialResponseFn)at_sequence_parse_response,
         ctx);
@@ -535,6 +538,7 @@ mm_base_modem_at_command_full (MMBaseModem *self,
             port,
             command,
             timeout,
+            FALSE,
             ctx->cancellable,
             (MMAtSerialResponseFn)at_command_parse_response,
             ctx);
@@ -543,6 +547,7 @@ mm_base_modem_at_command_full (MMBaseModem *self,
             port,
             command,
             timeout,
+            FALSE,
             ctx->cancellable,
             (MMAtSerialResponseFn)at_command_parse_response,
             ctx);

src/mm-port-probe.c

@@ -583,6 +583,7 @@ serial_probe_at (MMPortProbe *self)
         MM_AT_SERIAL_PORT (task->serial),
         task->at_commands->command,
         task->at_commands->timeout,
+        FALSE,
         task->at_probing_cancellable,
         (MMAtSerialResponseFn)serial_probe_at_parse_response,
         self);