Convert the project to CMake

revamp f4ll
move f4ll upstream to codeberg

components/f4ll/src/dma_helper.cpp

@@ -0,0 +1,24 @@
+/*
+q * ll_dmahelper.cpp
+ *
+ *  Created on: Oct 25, 2019
+ *      Author: abody
+ */
+
+#include <f4ll/dma_helper.h>
+
+namespace f4ll {
+
+dma_helper::dma_helper(DMA_TypeDef *dma, uint32_t stream)
+    : m_dma(dma),
+      m_stream(stream),
+      m_is_reg(
+          (dma == DMA1) ? ((m_stream < LL_DMA_STREAM_4) ? &DMA1->LISR : &DMA1->HISR)
+                        : ((m_stream < LL_DMA_STREAM_4) ? &DMA2->LISR : &DMA2->HISR)),
+      m_ifc_reg(
+          (dma == DMA1) ? ((m_stream < LL_DMA_STREAM_4) ? &DMA1->LIFCR : &DMA1->HIFCR)
+                        : ((m_stream < LL_DMA_STREAM_4) ? &DMA2->LIFCR : &DMA2->HIFCR))
+{
+}
+
+} /* namespace f4ll */