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OLED Using DMA

  • 章节

  • 发表日期：

    2024年

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  • Warren Gay

摘要

In the previous chapter, software was developed to drive the OLED using master-mode SPI transactions. The STM32 platform does, however, support a DMA (direct memory access) controller, which can be exploited to perform the I/O operations and leave more cycles available for the CPU. This chapter will explore how to set up and use that DMA controller to drive the OLED device.