From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code
---
mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/SupportFunctions/float_to_fixed.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 52 insertions(+), 0 deletions(-)
diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/SupportFunctions/float_to_fixed.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/SupportFunctions/float_to_fixed.c
new file mode 100644
index 0000000..107556b
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/SupportFunctions/float_to_fixed.c
@@ -0,0 +1,52 @@
+#include "ref.h"
+
+void ref_float_to_q31(
+ float32_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+ float32_t in;
+
+ for(i=0;i<blockSize;i++)
+ {
+ in = pSrc[i];
+ in *= 2147483648.0f; //scale up
+ in += in > 0.0f ? 0.5f : -0.5f; //round
+ pDst[i] = ref_sat_q31((q63_t)in); //cast and saturate
+ }
+}
+
+void ref_float_to_q15(
+ float32_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+ float32_t in;
+
+ for(i=0;i<blockSize;i++)
+ {
+ in = pSrc[i];
+ in *= 32768.0f;
+ in += in > 0.0f ? 0.5f : -0.5f;
+ pDst[i] = ref_sat_q15((q31_t)in);
+ }
+}
+
+void ref_float_to_q7(
+ float32_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+ float32_t in;
+
+ for(i=0;i<blockSize;i++)
+ {
+ in = pSrc[i];
+ in *= 128.0f;
+ in += in > 0.0f ? 0.5f : -0.5f;
+ pDst[i] = ref_sat_q7((q15_t)in);
+ }
+}
--
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