initial commit

* combine all source files into this monorepo

* convert all third-party source packages into submodules

* small fixes due to changes in latest third-part packages

1 files changed, 25 insertions, 0 deletions

diff --git a/firmware/source/periph/cordic.hpp b/firmware/source/periph/cordic.hpp
new file mode 100644
index 0000000..5d640cc
--- /dev/null
+++ b/firmware/source/periph/cordic.hpp
@@ -0,0 +1,25 @@
+#ifndef CORDIC_HPP_
+#define CORDIC_HPP_
+
+namespace cordic {
+    constexpr double PI = 3.1415926535L;
+
+    void init();
+
+#if !defined(TARGET_PLATFORM_L4)
+    double mod(double n, double d);
+
+    double cos(double x);
+    double sin(double x);
+    double tan(double x);
+#else
+    float mod(float n, float d);
+
+    float cos(float x);
+    float sin(float x);
+    float tan(float x);
+#endif
+}
+
+#endif // CORDIC_HPP_
+