50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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* ll_dmahelper.h
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*
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* Created on: Oct 25, 2019
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* Author: abody
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*/
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#ifndef LL_DMAHELPER_H_
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#define LL_DMAHELPER_H_
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#include <inttypes.h>
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#include <platform/dma_ll.h>
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namespace f1ll
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{
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class dma_helper
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{
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public:
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dma_helper(DMA_TypeDef *dma, uint32_t channel);
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dma_helper(dma_helper const &base) = default;
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inline DMA_TypeDef *get_dma() const { return m_dma; }
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inline uint32_t get_channel() const { return m_channel; }
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inline volatile uint32_t *get_is_reg() const { return m_is_reg; }
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inline volatile uint32_t *get_ifc_reg() const { return m_ifc_reg; }
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inline uint32_t get_te_mask() const { return m_te_masks[m_channel - 1]; }
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inline uint32_t get_ht_mask() const { return m_ht_masks[m_channel - 1]; }
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inline uint32_t get_tc_mask() const { return m_tc_masks[m_channel - 1]; }
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inline uint32_t get_gi_mask() const { return m_gi_masks[m_channel - 1]; }
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inline bool is_enabled_it_te() { return LL_DMA_IsEnabledIT_TE(m_dma, m_channel) != 0; }
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inline bool is_enabled_it_ht() { return LL_DMA_IsEnabledIT_HT(m_dma, m_channel) != 0; }
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inline bool is_enabled_it_tc() { return LL_DMA_IsEnabledIT_TC(m_dma, m_channel) != 0; }
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private:
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DMA_TypeDef *m_dma;
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uint32_t m_channel;
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volatile uint32_t *m_is_reg;
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volatile uint32_t *m_ifc_reg;
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static const uint32_t m_te_masks[7];
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static const uint32_t m_ht_masks[7];
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static const uint32_t m_tc_masks[7];
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static const uint32_t m_gi_masks[7];
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};
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} /* namespace f4ll */
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#endif /* LL_DMAHELPER_H_ */
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