From 1a7d45b9130251119874df8b15424ec41306d8f2 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@bitgloo.com>
Date: Wed, 10 Mar 2021 19:42:18 -0500
Subject: support H7 and L4; use second ADC for input

---
 source/cordic.cpp | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'source/cordic.cpp')

diff --git a/source/cordic.cpp b/source/cordic.cpp
index 4852563..d2997f2 100644
--- a/source/cordic.cpp
+++ b/source/cordic.cpp
@@ -1,7 +1,8 @@
 #include "cordic.hpp"
 #include "hal.h"
 
-namespace math {
+namespace cordic {
+#if !defined(TARGET_PLATFORM_L4)
 
 void init()
 {
@@ -92,11 +93,16 @@ double tan(double x) {
     return tanx;
 }
 
-__attribute__((naked))
-double sqrt(double) {
-    asm("vsqrt.f64 d0, d0; bx lr");
-    return 0.;
-}
+#else // L4
+
+void init() {}
+
+double mod(double, double) { return 0; }
+
+double cos(double) { return 0; }
+double sin(double) { return 0; }
+double tan(double) { return 0; }
 
+#endif
 }
 
-- 
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