From 3f8dcf16213d5e06a49a0dd3746de1cb290a1f48 Mon Sep 17 00:00:00 2001
From: Mark Meserve <mark.meserve@ni.com>
Date: Wed, 27 Sep 2017 17:42:06 -0500
Subject: ad937x: update ad937x_fir

add comment
label get_fir as const
---
 mpm/lib/mykonos/config/ad937x_fir.cpp | 2 +-
 mpm/lib/mykonos/config/ad937x_fir.hpp | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

(limited to 'mpm/lib/mykonos')

diff --git a/mpm/lib/mykonos/config/ad937x_fir.cpp b/mpm/lib/mykonos/config/ad937x_fir.cpp
index 8acec3b8b..0ec3812ba 100644
--- a/mpm/lib/mykonos/config/ad937x_fir.cpp
+++ b/mpm/lib/mykonos/config/ad937x_fir.cpp
@@ -44,7 +44,7 @@ void ad937x_fir::set_fir(int8_t gain, const std::vector<int16_t>& coefficients)
     _fir.numFirCoefs = static_cast<uint8_t>(_fir_coefficients.size());
 }
 
-std::vector<int16_t> ad937x_fir::get_fir(int8_t &gain)
+std::vector<int16_t> ad937x_fir::get_fir(int8_t &gain) const
 {
     gain = _fir.gain_dB;
     return _fir_coefficients;
diff --git a/mpm/lib/mykonos/config/ad937x_fir.hpp b/mpm/lib/mykonos/config/ad937x_fir.hpp
index f243f0f47..12fb3c5ef 100644
--- a/mpm/lib/mykonos/config/ad937x_fir.hpp
+++ b/mpm/lib/mykonos/config/ad937x_fir.hpp
@@ -20,7 +20,8 @@
 #include "../adi/t_mykonos.h"
 #include <vector>
 
-// wraps FIR allocation and provides a fixed mykonosFir_t pointer
+// wraps FIR allocation
+// provides a fixed mykonosFir_t pointer for API consumption
 class ad937x_fir
 {
     std::vector<int16_t> _fir_coefficients;
@@ -31,5 +32,5 @@ public:
     ad937x_fir(int8_t gain, const std::vector<int16_t>& coefficients);
 
     void set_fir(int8_t gain, const std::vector<int16_t>& coefficients);
-    std::vector<int16_t> get_fir(int8_t &gain);
+    std::vector<int16_t> get_fir(int8_t &gain) const;
 };
-- 
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