From 59330ad80cfdd0694fd856c10ca84378dc54ff12 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 6 Jun 2017 11:28:20 -0700
Subject: eiscat: Make use of known number of dboards

---
 .../usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp    | 20 ++++++++++++++++++++
 .../usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp    |  4 ++++
 2 files changed, 24 insertions(+)

(limited to 'host')

diff --git a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp
index ea1e31102..35260150f 100644
--- a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp
+++ b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp
@@ -476,6 +476,20 @@ void eiscat_radio_ctrl_impl::set_rpc_client(
 ) {
     _rpcc = rpcc;
     _block_args = block_args;
+    auto dboard_info =
+        _rpcc->request<std::vector<std::map<std::string, std::string>>>(
+                "get_dboard_info"
+        );
+    _num_dboards = dboard_info.size();
+    UHD_LOG_DEBUG("EISCAT", "Using " << _num_dboards << " daughterboards.");
+    if (_num_dboards == 1) {
+        UHD_LOG_WARNING("EISCAT",
+            "Found 1 dboard, expected 2 for optimal operation."
+        );
+    } else if (_num_dboards > 2) {
+        UHD_LOG_ERROR("EISCAT", "Detected too many dboards: " << _num_dboards);
+        throw uhd::runtime_error("Too many dboards detected.");
+    }
 
     UHD_LOG_INFO(
         "EISCAT",
@@ -684,12 +698,18 @@ void eiscat_radio_ctrl_impl::enable_counter(bool enable)
 
 bool eiscat_radio_ctrl_impl::assert_adcs_deframers()
 {
+    if (_num_dboards == 1) {
+        return _rpcc->request_with_token<bool>("db_0_init_adcs_and_deframers");
+    }
     return _rpcc->request_with_token<bool>("db_0_init_adcs_and_deframers")
         and _rpcc->request_with_token<bool>("db_1_init_adcs_and_deframers");
 }
 
 bool eiscat_radio_ctrl_impl::assert_deframer_status()
 {
+    if (_num_dboards == 1) {
+        return _rpcc->request_with_token<bool>("db_0_check_deframer_status");
+    }
     return _rpcc->request_with_token<bool>("db_0_check_deframer_status")
         and _rpcc->request_with_token<bool>("db_1_check_deframer_status");
 }
diff --git a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp
index 2da01ed03..6210c8aab 100644
--- a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp
+++ b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp
@@ -276,6 +276,10 @@ private:
      */
     size_t _num_ports;
 
+    //! Running with 1 dboard is theoretically possible; thus, store the
+    // number of active dboards.
+    size_t _num_dboards = 0;
+
     //! Additional block args; gets set during set_rpc_client()
     uhd::device_addr_t _block_args;
 
-- 
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