AN979 Datasheet, PDF (9/14 Pages) STMicroelectronics – DRIVING AN ANALOG KEYBOARD WITH THE ST7 ADC

DRIVING AN ANALOG KEYBOARD WITH THE ST7 ADC
6.2 FLOWCHARTS
The main flowcharts of the application are given below in Figure 6, Figure 7 & Figure 8. The in-
itialization routine is presented in Figure 2.
Figure 6. Flowchart: main program
MAIN
KBD_init
KBD_val
KBD_process
wait
9/14