Device documentation

I/O mapping for Altera DE1-SoC

Wiper Altera DE1-SoC

By: WebLab-Deusto (University of Deusto) , Giovanna Lani (WebLab-Deusto, University of Deusto)

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Preview of the Wiper simulation

Wiper (one-bit) DE1-SoC I/O mappings

All signals are active high. GPIO numbers refer to the LabsLand virtual GPIO bus; in VHDL, for example, GPIO 28 is V_GPIO(28).

Runtime signal Meaning Type GPIO
rainSensor Rain is active FPGA input GPIO 28 (V_GPIO(28))
rightSensor Wiper is at the right-hand limit (minimum angle) FPGA input GPIO 29 (V_GPIO(29))
leftSensor Wiper is at the left-hand limit (maximum angle) FPGA input GPIO 30 (V_GPIO(30))
mButton The interface's M button is being pressed FPGA input GPIO 23 (V_GPIO(23))
pButton The interface's P button is being pressed FPGA input GPIO 24 (V_GPIO(24))
move Enable wiper movement FPGA output GPIO 26 (V_GPIO(26))

When move is high, the simulation moves the wiper and reverses its direction automatically at each endpoint. When move is low, it stops at its current position. Between the endpoints, both endpoint sensors can be low. The simulation's error control deliberately makes both endpoint sensors high so that controller error handling can be tested.