diff options
| -rw-r--r-- | dma/dma.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/dma/dma.h b/dma/dma.h new file mode 100644 index 0000000..30d1346 --- /dev/null +++ b/dma/dma.h @@ -0,0 +1,37 @@ +#ifndef DMA_H +#define DMA_H + +#include <stdint.h> + +struct DMA_stream_reg_t { + volatile uint32_t CR; + volatile uint32_t NDTR; + volatile uint32_t PAR; + volatile uint32_t M0AR; + volatile uint32_t M1AR; + volatile uint32_t FCR; +}; + +struct DMA_reg_t { + volatile uint32_t LISR; + volatile uint32_t HISR; + volatile uint32_t LIFCR; + volatile uint32_t HIFCR; + DMA_stream_reg_t S[8]; +}; + +class DMA_t { + public: + DMA_reg_t& reg; + + DMA_t(uint32_t reg_addr) : reg(*(DMA_reg_t*)reg_addr) {} +}; + +#if defined(STM32F1) + +#elif defined(STM32F4) +static DMA_t DMA1(0x40026000); +static DMA_t DMA2(0x40026400); +#endif + +#endif |