Altera tPad DE2-115 - 4.3 tPad Starter Demonstration

19
Figure 4-2 Block diagram of the tPad Starter demonstration
Figure 4-3 illustrates the software structure of this demonstration. The touch panel‟s SPI HAL
block responds to the bottom hardware requests and interface to upper layers. The SGDMA HAL
allocates required frame/descriptor buffers to specified memory address and is responsible of
handling frame buffer update issue.
Figure 4-3 Software stack of the tPad Starter demonstration