Initial commit for N3xx development.

- Creates mpm/ subdirectory
- First pass at hardware daemon/MPM
- New code for LMK04828, AD9371
- spidev integration

Contributions by:

Martin Braun <martin.braun@ettus.com>
Derek Kozel <derek.kozel@ettus.com>
Mark Meserve <mark.meserve@ni.com>
Andrej Rode <andrej.rode@ettus.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/mpm/lib/mykonos/config/ad937x_fir.cpp b/mpm/lib/mykonos/config/ad937x_fir.cpp
new file mode 100644
index 000000000..a9ede3318
--- /dev/null
+++ b/mpm/lib/mykonos/config/ad937x_fir.cpp
@@ -0,0 +1,37 @@
+#include "ad937x_fir.h"
+#include <limits>
+
+ad937x_fir::ad937x_fir(int8_t gain, const std::vector<int16_t>& coefficients)
+{
+   
+    _set_gain(gain);
+}
+
+ad937x_fir::ad937x_fir(int8_t gain, std::vector<int16_t>&& coefficients)
+{
+    set_coefficients(std::move(coefficients));
+    _set_gain(gain);
+}
+
+mykonosFir_t* ad937x_fir::getFir()
+{
+    return &(_fir);
+}
+
+void ad937x_fir::set_coefficients(std::vector<int16_t>&& coefficients)
+{
+    if (coefficients.size() < std::numeric_limits<decltype(mykonosFir_t().numFirCoefs)>::max() ||
+        coefficients.size() > 0)
+    {
+        // TODO: exception
+    }
+    fir_coefficients = std::move(coefficients);
+    _fir.numFirCoefs = static_cast<uint8_t>(fir_coefficients.size());
+    _fir.coefs = &fir_coefficients[0];
+}
+
+void ad937x_fir::_set_gain(int8_t gain)
+{
+    _fir.gain_dB = gain;
+}
+