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Hardware Abstraction Layer (HAL)
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Hardware Abstraction Layer (HAL)
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DMA allows transferring data in SRAM without CPU intervention.
It can be used to transfer data from one memory location to another. The highest priority channels CYHAL_DMA_PRIORITY_HIGH are used by the WWD driver. For application-specific needs, use the CYHAL_DMA_PRIORITY_MEDIUM or CYHAL_DMA_PRIORITY_LOW channels.
Macros | |
| #define | CYHAL_DMA_PRIORITY_DEFAULT CYHAL_DMA_PRIORITY_LOW |
| Default DMA channel priority. | |
| #define | CYHAL_DMA_PRIORITY_HIGH 0u |
| High DMA channel priority. | |
| #define | CYHAL_DMA_PRIORITY_MEDIUM 1u |
| Medium DMA channel priority. | |
| #define | CYHAL_DMA_PRIORITY_LOW 2u |
| Low DMA channel priority. | |