rfnoc radio: Made GPIO functions not pure virtual

Default implementations simply throw an exception. Makes it easier to
write new radio controls that do not implement GPIO features.

2 files changed, 28 insertions, 0 deletions

diff --git a/host/lib/rfnoc/radio_ctrl_impl.cpp b/host/lib/rfnoc/radio_ctrl_impl.cpp
index 5504efbb0..69c9fb68c 100644
--- a/host/lib/rfnoc/radio_ctrl_impl.cpp
+++ b/host/lib/rfnoc/radio_ctrl_impl.cpp
@@ -450,3 +450,22 @@ std::vector<std::string> radio_ctrl_impl::get_clock_sources()
     return _tree->access<std::vector<std::string>>("clock_source/options").get();
 }
 
+
+std::vector<std::string> radio_ctrl_impl::get_gpio_banks() const
+{
+    return std::vector<std::string>();
+}
+
+void radio_ctrl_impl::set_gpio_attr(
+        const std::string &bank,
+        const std::string &attr,
+        const uint32_t value,
+        const uint32_t mask
+) {
+    throw uhd::not_implemented_error("set_gpio_attr was not defined for this radio");
+}
+
+uint32_t radio_ctrl_impl::get_gpio_attr(const std::string &bank, const std::string &attr)
+{
+    throw uhd::not_implemented_error("get_gpio_attr was not defined for this radio");
+}
diff --git a/host/lib/rfnoc/radio_ctrl_impl.hpp b/host/lib/rfnoc/radio_ctrl_impl.hpp
index 21d7da1f1..6f0c82504 100644
--- a/host/lib/rfnoc/radio_ctrl_impl.hpp
+++ b/host/lib/rfnoc/radio_ctrl_impl.hpp
@@ -96,6 +96,15 @@ public:
     virtual std::string get_clock_source();
     virtual std::vector<std::string> get_clock_sources();
 
+    virtual std::vector<std::string> get_gpio_banks() const;
+    virtual void set_gpio_attr(
+            const std::string &bank,
+            const std::string &attr,
+            const uint32_t value,
+            const uint32_t mask
+    );
+    virtual uint32_t get_gpio_attr(const std::string &bank, const std::string &attr);
+
     /***********************************************************************
      * Block control API calls
      **********************************************************************/