mpm: Major refactoring

- Created clean interfaces for SPI and registers
- Severed most links to UHD
- Added a lockable class which allows exposing mutexes into Python

2 files changed, 58 insertions, 0 deletions

diff --git a/mpm/lib/types/CMakeLists.txt b/mpm/lib/types/CMakeLists.txt
new file mode 100644
index 000000000..d4f52f7ed
--- /dev/null
+++ b/mpm/lib/types/CMakeLists.txt
@@ -0,0 +1,5 @@
+SET(TYPES_SOURCES
+    ${CMAKE_CURRENT_SOURCE_DIR}/lockable.cpp
+)
+
+USRP_PERIPHS_ADD_OBJECT(types ${TYPES_SOURCES})
diff --git a/mpm/lib/types/lockable.cpp b/mpm/lib/types/lockable.cpp
new file mode 100644
index 000000000..75c3aa784
--- /dev/null
+++ b/mpm/lib/types/lockable.cpp
@@ -0,0 +1,53 @@
+//
+// Copyright 2017 Ettus Research (National Instruments)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <mpm/types/lockable.hpp>
+
+using namespace mpm::types;
+
+class lockable_impl : public lockable
+{
+public:
+    lockable_impl(
+            std::shared_ptr<std::mutex> spi_mutex
+    ) : _spi_mutex(spi_mutex)
+    {
+        /* nop */
+    }
+
+    void lock()
+    {
+        _spi_mutex->lock();
+    }
+
+    void unlock()
+    {
+        _spi_mutex->unlock();
+    }
+
+private:
+    std::shared_ptr<std::mutex> _spi_mutex;
+};
+
+lockable::sptr lockable::make(
+            std::shared_ptr<std::mutex> spi_mutex
+) {
+    return std::make_shared<lockable_impl>(
+        spi_mutex
+    );
+}
+