From f67fa0c66c9e24b822e6f66e2fd840cda92445ad Mon Sep 17 00:00:00 2001
From: AlexandreRouma <alexandre.rouma@gmail.com>
Date: Sun, 20 Jul 2025 20:33:07 +0200
Subject: [PATCH] Fix DSP source block initialization and add linux support to
 hydrasdr_source

---
 core/src/dsp/source.h                         |  2 --
 source_modules/hydrasdr_source/CMakeLists.txt | 13 ++++++++-
 source_modules/hydrasdr_source/src/main.cpp   | 27 +++++++++++++++++++
 3 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/core/src/dsp/source.h b/core/src/dsp/source.h
index 24ed64cc..18d6bda9 100644
--- a/core/src/dsp/source.h
+++ b/core/src/dsp/source.h
@@ -5,8 +5,6 @@ namespace dsp {
     template <class T>
     class Source : public block {
     public:
-        Source() {}
-
         Source() { init(); }
 
         virtual ~Source() {}
diff --git a/source_modules/hydrasdr_source/CMakeLists.txt b/source_modules/hydrasdr_source/CMakeLists.txt
index eb86e936..5789797c 100644
--- a/source_modules/hydrasdr_source/CMakeLists.txt
+++ b/source_modules/hydrasdr_source/CMakeLists.txt
@@ -14,5 +14,16 @@ if (MSVC)
 elseif (ANDROID)
     # TODO
 else (MSVC)
-    # TODO
+    find_package(PkgConfig)
+
+    pkg_check_modules(LIBHYDRASDR REQUIRED libhydrasdr)
+
+    target_include_directories(hydrasdr_source PRIVATE ${LIBHYDRASDR_INCLUDE_DIRS})
+    target_link_directories(hydrasdr_source PRIVATE ${LIBHYDRASDR_LIBRARY_DIRS})
+    target_link_libraries(hydrasdr_source PRIVATE ${LIBHYDRASDR_LIBRARIES})
+
+    # Include it because for some reason pkgconfig doesn't look here?
+    if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+        target_include_directories(hydrasdr_source PRIVATE "/usr/local/include")
+    endif()
 endif ()
\ No newline at end of file
diff --git a/source_modules/hydrasdr_source/src/main.cpp b/source_modules/hydrasdr_source/src/main.cpp
index 0b034390..1e047043 100644
--- a/source_modules/hydrasdr_source/src/main.cpp
+++ b/source_modules/hydrasdr_source/src/main.cpp
@@ -36,6 +36,9 @@ public:
         ports.define("rx1", "RX1", RF_PORT_RX1);
         ports.define("rx2", "RX2", RF_PORT_RX2);
 
+        regStr[0] = 0;
+        valStr[0] = 0;
+
         sampleRate = 10000000.0;
 
         handler.ctx = this;
@@ -567,8 +570,32 @@ private:
                 config.release(true);
             }
         }
+
+        SmGui::LeftLabel("Reg");
+        SmGui::FillWidth();
+        SmGui::InputText(CONCAT("##_badgesdr_reg_", _this->name), _this->regStr, 256);
+        SmGui::LeftLabel("Value");
+        SmGui::FillWidth();
+        SmGui::InputText(CONCAT("##_badgesdr_val_", _this->name), _this->valStr, 256);
+        SmGui::FillWidth();
+        if (ImGui::Button(CONCAT("Read##_badgesdr_rd_", _this->name))) {
+            if (_this->running) {
+                uint8_t val;
+                hydrasdr_r82x_read(_this->openDev, std::stoi(_this->regStr, NULL, 16), &val);
+                sprintf(_this->valStr, "%02X", val);
+            }
+        }
+        SmGui::FillWidth();
+        if (ImGui::Button(CONCAT("Write##_badgesdr_wr_", _this->name))) {
+            if (_this->running) {
+                hydrasdr_r82x_write(_this->openDev, std::stoi(_this->regStr, NULL, 16), std::stoi(_this->valStr, NULL, 16));
+            }
+        }
     }
 
+    char valStr[256];
+    char regStr[256];
+
     static int callback(hydrasdr_transfer_t* transfer) {
         HydraSDRSourceModule* _this = (HydraSDRSourceModule*)transfer->ctx;
         memcpy(_this->stream.writeBuf, transfer->samples, transfer->sample_count * sizeof(dsp::complex_t));