From 75ad0c55164e8e2f08b4bfc9d5361f2445a80f52 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Thu, 18 Jul 2019 16:23:12 -0700
Subject: convert: Add chdr converters for sc16 -> fc32 and vice versa

These differ from the item32 converters in that they don't IQ swap, and
also don't have a BE/LE version.
---
 host/lib/convert/convert_common.hpp | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'host/lib/convert/convert_common.hpp')

diff --git a/host/lib/convert/convert_common.hpp b/host/lib/convert/convert_common.hpp
index 7b627061e..0de344b75 100644
--- a/host/lib/convert/convert_common.hpp
+++ b/host/lib/convert/convert_common.hpp
@@ -114,6 +114,26 @@ UHD_INLINE void xx_to_item32_sc16(
     }
 }
 
+template <typename T>
+UHD_FORCE_INLINE sc16_t xx_to_sc16_x1(
+    const std::complex<T>& num, const double scale_factor)
+{
+    uint16_t real = int16_t(num.real() * T(scale_factor));
+    uint16_t imag = int16_t(num.imag() * T(scale_factor));
+    return sc16_t(real, imag);
+}
+
+template <typename T>
+UHD_FORCE_INLINE void xx_to_chdr_sc16(const std::complex<T>* input,
+    sc16_t* output,
+    const size_t nsamps,
+    const double scale_factor)
+{
+    for (size_t i = 0; i < nsamps; i++) {
+        output[i] = xx_to_sc16_x1(input[i], scale_factor);
+    }
+}
+
 /***********************************************************************
  * Convert items32 sc16 buffer to xx
  **********************************************************************/
@@ -147,6 +167,25 @@ UHD_INLINE void item32_sc16_to_xx(
     }
 }
 
+template <typename T>
+UHD_FORCE_INLINE std::complex<T> chdr_sc16_x1_to_xx(
+    const sc16_t item, const double scale_factor)
+{
+    return std::complex<T>(
+        T(item.real()) * T(scale_factor), T(item.imag()) * T(scale_factor));
+}
+
+template <typename T>
+UHD_FORCE_INLINE void chdr_sc16_to_xx(const sc16_t* input,
+    std::complex<T>* output,
+    const size_t nsamps,
+    const double scale_factor)
+{
+    for (size_t i = 0; i < nsamps; i++) {
+        output[i] = chdr_sc16_x1_to_xx<T>(input[i], scale_factor);
+    }
+}
+
 /***********************************************************************
  * Convert xx to items32 sc8 buffer
  **********************************************************************/
-- 
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