Programming the hardware
Biggs Pete · Oxford University Press eBooks · 2000
This chapter discusses the techniques used to control and present the data on the interface hardware. It talks about the reading and writing memory locations which modify the data held in the registers. It also highlights how the action of reading data from an analogue to digital converter (ADC) might start the next conversion, while a different type of ADC may require the register to be toggled and to initiate the conversion sequence. The chapter cites Microsoft Windows as a multitasking system which requires programs to be well-behaved and to regularly relinquish control of the machine to other programs. It reviews the abilities of various high-level languages in relation to interfacing and machine-level programming.