missing tuner routines

src/rtl_rpcd.c

@@ -663,6 +663,87 @@ static int handle_query
       break ;
     }
 
+  case RTLSDR_RPC_OP_GET_TUNER_GAINS:
+    {
+      uint32_t did;
+      size_t new_size;
+      uint8_t* buf;
+      size_t gain_size;
+
+      if (rtlsdr_rpc_msg_pop_uint32(q, &did)) goto on_error;
+
+      if ((rpcd->dev == NULL) || (rpcd->did != did)) goto on_error;
+
+      err = rtlsdr_get_tuner_gains(rpcd->dev, NULL);
+      if (err <= 0) goto on_error;
+      gain_size = err * sizeof(int);
+
+      new_size = r->off + sizeof(uint32_t) + gain_size;
+      if (rtlsdr_rpc_msg_realloc(r, new_size)) goto on_error;
+      buf = r->fmt + r->off + sizeof(uint32_t);
+
+      err = rtlsdr_get_tuner_gains(rpcd->dev, (int*)buf);
+      if (err <= 0) goto on_error;
+
+      rtlsdr_rpc_msg_push_uint32_safe(r, gain_size);
+      rtlsdr_rpc_msg_skip_safe(r, gain_size);
+
+      break ;
+    }
+
+  case RTLSDR_RPC_OP_SET_TUNER_GAIN:
+    {
+      uint32_t did;
+      uint32_t gain;
+
+      PRINTF("set_tuner_gain()\n");
+
+      if (rtlsdr_rpc_msg_pop_uint32(q, &did)) goto on_error;
+      if (rtlsdr_rpc_msg_pop_uint32(q, &gain)) goto on_error;
+
+      if ((rpcd->dev == NULL) || (rpcd->did != did)) goto on_error;
+
+      err = rtlsdr_set_tuner_gain(rpcd->dev, (int)gain);
+      if (err) goto on_error;
+
+      break ;
+    }
+
+  case RTLSDR_RPC_OP_GET_TUNER_GAIN:
+    {
+      uint32_t did;
+
+      PRINTF("get_tuner_gain()\n");
+
+      if (rtlsdr_rpc_msg_pop_uint32(q, &did)) goto on_error;
+
+      if ((rpcd->dev == NULL) || (rpcd->did != did)) goto on_error;
+
+      err = rtlsdr_get_tuner_gain(rpcd->dev);
+
+      break ;
+    }
+
+  case RTLSDR_RPC_OP_SET_TUNER_IF_GAIN:
+    {
+      uint32_t did;
+      uint32_t stage;
+      uint32_t gain;
+
+      PRINTF("set_tuner_if_gain()\n");
+
+      if (rtlsdr_rpc_msg_pop_uint32(q, &did)) goto on_error;
+      if (rtlsdr_rpc_msg_pop_uint32(q, &stage)) goto on_error;
+      if (rtlsdr_rpc_msg_pop_uint32(q, &gain)) goto on_error;
+
+      if ((rpcd->dev == NULL) || (rpcd->did != did)) goto on_error;
+
+      err = rtlsdr_set_tuner_if_gain(rpcd->dev, (int)stage, (int)gain);
+      if (err) goto on_error;
+
+      break ;
+    }
+
   case RTLSDR_RPC_OP_SET_TUNER_GAIN_MODE:
     {
       uint32_t did;

src/rtlsdr_rpc.c

@@ -647,28 +647,101 @@ int rtlsdr_rpc_get_tuner_type(void* devp)
   return err;
 }
 
-int rtlsdr_rpc_get_tuner_gains(void* dev, int* gainsp)
+int rtlsdr_rpc_get_tuner_gains(void* devp, int* gainsp)
 {
-  UNIMPL();
-  return -1;
+  rtlsdr_rpc_dev_t* const dev = devp;
+  rtlsdr_rpc_cli_t* const cli = dev->cli;
+  rtlsdr_rpc_msg_t* const q = &cli->query;
+  rtlsdr_rpc_msg_t* const r = &cli->reply;
+  const uint8_t* tmp;
+  size_t size;
+  int err = 0;
+
+  rtlsdr_rpc_msg_reset(q);
+  rtlsdr_rpc_msg_set_op(q, RTLSDR_RPC_OP_GET_TUNER_GAINS);
+  if (rtlsdr_rpc_msg_push_uint32(q, dev->index)) goto on_error;
+
+  if (send_recv_msg(cli, q, r)) goto on_error;
+
+  err = rtlsdr_rpc_msg_get_err(r);
+  if (err <= 0) goto on_error;
+
+  if (rtlsdr_rpc_msg_pop_buf(r, &tmp, &size))
+  {
+    err = 0;
+    goto on_error;
+  }
+
+  /* TODO: endianess */
+  memcpy(gainsp, tmp, size);
+
+ on_error:
+  return err;
 }
 
-int rtlsdr_rpc_set_tuner_gain(void* dev, int gain)
+int rtlsdr_rpc_set_tuner_gain(void* devp, int gain)
 {
-  UNIMPL();
-  return -1;
+  rtlsdr_rpc_dev_t* const dev = devp;
+  rtlsdr_rpc_cli_t* const cli = dev->cli;
+  rtlsdr_rpc_msg_t* const q = &cli->query;
+  rtlsdr_rpc_msg_t* const r = &cli->reply;
+  int err = -1;
+
+  rtlsdr_rpc_msg_reset(q);
+  rtlsdr_rpc_msg_set_op(q, RTLSDR_RPC_OP_SET_TUNER_GAIN);
+  if (rtlsdr_rpc_msg_push_uint32(q, dev->index)) goto on_error;
+  if (rtlsdr_rpc_msg_push_uint32(q, (uint32_t)gain)) goto on_error;
+
+  if (send_recv_msg(cli, q, r)) goto on_error;
+
+  err = rtlsdr_rpc_msg_get_err(r);
+  if (err) goto on_error;
+
+ on_error:
+  return err;
 }
 
-int rtlsdr_rpc_get_tuner_gain(void* dev)
+int rtlsdr_rpc_get_tuner_gain(void* devp)
 {
-  UNIMPL();
-  return -1;
+  rtlsdr_rpc_dev_t* const dev = devp;
+  rtlsdr_rpc_cli_t* const cli = dev->cli;
+  rtlsdr_rpc_msg_t* const q = &cli->query;
+  rtlsdr_rpc_msg_t* const r = &cli->reply;
+  int err = -1;
+
+  rtlsdr_rpc_msg_reset(q);
+  rtlsdr_rpc_msg_set_op(q, RTLSDR_RPC_OP_GET_TUNER_GAIN);
+  if (rtlsdr_rpc_msg_push_uint32(q, dev->index)) goto on_error;
+
+  if (send_recv_msg(cli, q, r)) goto on_error;
+
+  err = rtlsdr_rpc_msg_get_err(r);
+
+ on_error:
+  return err;
 }
 
-int rtlsdr_rpc_set_tuner_if_gain(void* dev, int stage, int gain)
+int rtlsdr_rpc_set_tuner_if_gain(void* devp, int stage, int gain)
 {
-  UNIMPL();
-  return -1;
+  rtlsdr_rpc_dev_t* const dev = devp;
+  rtlsdr_rpc_cli_t* const cli = dev->cli;
+  rtlsdr_rpc_msg_t* const q = &cli->query;
+  rtlsdr_rpc_msg_t* const r = &cli->reply;
+  int err = -1;
+
+  rtlsdr_rpc_msg_reset(q);
+  rtlsdr_rpc_msg_set_op(q, RTLSDR_RPC_OP_SET_TUNER_IF_GAIN);
+  if (rtlsdr_rpc_msg_push_uint32(q, dev->index)) goto on_error;
+  if (rtlsdr_rpc_msg_push_uint32(q, (uint32_t)stage)) goto on_error;
+  if (rtlsdr_rpc_msg_push_uint32(q, (uint32_t)gain)) goto on_error;
+
+  if (send_recv_msg(cli, q, r)) goto on_error;
+
+  err = rtlsdr_rpc_msg_get_err(r);
+  if (err) goto on_error;
+
+ on_error:
+  return err;
 }
 
 int rtlsdr_rpc_set_tuner_gain_mode(void* devp, int manual)